The Senior Purchasing Manager will lead the procurement function, overseeing the sourcing, negotiation, and supply of materials & services for construction projects in Ireland and the UK. The role requires strong commercial acumen, supplier relationship management, and the ability to drive cost efficiency while ensuring quality and compliance with project requirements. As a senior member of the business, you will play a pivotal role in shaping procurement strategy and driving operational excellence. You will champion a culture of safety, compliance, and continuous improvement, ensuring procurement activities align with company goals and industry best practices. Your leadership will influence cost efficiency, supplier performance, and risk mitigation across the supply chain. Qualifications & Experience: Degree in Supply Chain Management, Procurement, Construction Management, Engineering, or related discipline. Minimum 7–10 years’ experience in procurement within the construction industry, with at least 3 years in a senior/leadership role. Proven track record of managing procurement across multiple large-scale projects in Ireland and/or the UK. Strong negotiation and contract management skills. In‑depth knowledge of construction materials and supply chain practices. Familiarity with Irish and UK construction regulations and standards. Proficiency with procurement and ERP systems (e.g. COINS or equivalent). Excellent communication, leadership, and stakeholder management skills. Strategic thinking and commercial acumen. Strong leadership and team development abilities. Excellent negotiation and influencing skills. Problem‑solving and decision‑making under pressure. High level of organisation, with the ability to prioritise competing demands. Commitment to quality, cost efficiency and ethical procurement practices. Key Responsibilities: Reporting to the Supply Chain Manager, your role encompasses strategic oversight of all purchasing activities, including vendor management, cost control, and process optimisation across operations in Ireland and the UK. Develop and implement the company’s procurement strategy to support construction projects across Ireland and the UK. Manage the end‑to‑end purchasing process, from supplier selection and negotiation to contract management and delivery. Source and maintain relationships with key suppliers and manufacturers, ensuring reliability, quality, and competitive pricing. Negotiate framework agreements and long‑term supply contracts to secure best value. Why Choose Collen? Career path framework aligned with your discipline Mentoring from industry experts and leadership exposure International project opportunities across Ireland, UK, Sweden, Denmark and Finland Access to LMS with tailored content Membership with professional bodies to help you build your network Inclusive culture driven by values: Safety, Integrity, Teamwork, Ownership & Sustainability #J-18808-Ljbffr
We are seeking a proactive and detail-oriented HR professional to support the successful implementation and rollout of a new HR Information System (HRIS). This role will bridge the gap between HR operations, technology teams, and end users—ensuring that HR processes are accurately captured, data is clean, managers are trained and employees experience a smooth transition to the new system. Key Requirements 3–5 years of experience in HR generalist or HR operations roles Strong understanding of HR processes (e.g., onboarding, employee records, benefits, performance, payroll interface) Experience supporting an HRIS implementation, upgrade, or major process change Project coordination or change management experience Excellent attention to detail and ability to work with sensitive employee data Strong communication and stakeholder management skills Proficiency with HR systems or HRIS tools (e.g., Workday, SuccessFactors, Oracle, BambooHR, etc.) Intermediate to advanced Excel skills for data validation and reporting Key Attributes Collaborative, adaptable, and solution-oriented Strong analytical and problem-solving skills Comfortable working with ambiguity and evolving project requirements Highly organised and able to manage multiple tasks to deadlines Key Responsibilities System Implementation Support Assist with the configuration, testing, and deployment of the new HR system in partnership with the HRIS project team and vendor Participate in system testing (UAT), identifying and tracking issues, and verifying that HR processes function as intended Partner with key stakeholders to complete requirements documentation in accordance with project schedule Support data migration activities, including data cleansing, validation, and reconciliation Review existing HR processes and documentation to ensure alignment with the new system’s capabilities Provide feedback on system usability and contribute to improvements in workflows and user experience Support on HRIS integration with other Collen applications/solutions e.g. Payroll/ ERP system Facilitates successful completion of projects, tasks, and initiatives by embracing a team-first approach Change Management & Communication Support communication and change management efforts related to the system rollout Help prepare training materials, user guides, and FAQs for employees and managers Provide hands‑on assistance to HR team members, managers and employees during the transition period HR Operations Support Maintain confidentiality and data integrity across all HR records Support day‑to‑day HR operations as needed during the system transition (e.g., onboarding, employee data updates, reporting) Provides technical support, troubleshooting, and guidance to HRIS users. Why Choose Collen? Career path framework aligned with your discipline Mentoring from industry experts and leadership exposure International project opportunities across Ireland, UK, Sweden, Denmark and Finland Access to LMS with tailored content Membership with professional bodies to help you build your network Inclusive culture driven by values: Safety, Integrity, Teamwork, Ownership & Sustainability We are looking for smart, creative & motivated people #J-18808-Ljbffr
A third level qualification in Construction Management Membership of a recognised professional body 5 years post qualification experience in a similar role A proven track record in delivering complex projects on time and within budget The Contracts Manager is responsible for the successful delivery of multiple projects or a single high value project through leadership, people/supply chain management, commercial and contract management along with technical & engineering expertise throughout the project life cycle. Key Responsibilities Management, Planning, and Progress Tracking of works Overall responsibility for Collen regarding project performance. Overall management lead of large value / multiple large value projects. Collaborating with marketing and business development departments to support their functions. Managing design teams and external consultants, along with in-depth technical understanding of the design details and interfaces. Comfortable in challenging design details/decisions in order to ensure best practice compliance. Supporting Collen Design Manager and Designers. BIM implementation and best practices. Proficiency with Microsoft Project and Navisworks to plan projects. Communication of project plan and progress to site team during daily whiteboard meetings. Resource planning, aligning Collen staff and subcontractors to satisfy job requirements. Subcontractor selection and management throughout works. Particular focus on the management and co-ordination of Mechanical and Electrical contractors, along with other specialist and/or high value, high risk subcontractors. Establishing and tracking of key performance indicators for the project(s). Problem identification, avoidance and solving. Implementing lean construction practices and innovations. Strong focus on performance improvements. External and internal project reporting. Meetings Collen lead at client meetings. Guidance, coaching and oversight of Collen staff at daily whiteboard meeting. Chairing weekly internal site meetings. Leading M&E meetings, supported by M&E Coordinator. Why Choose Collen? Career path framework aligned with your discipline Mentoring from industry experts and leadership exposure International project opportunities across Ireland, UK, Sweden, Denmark and Finland Access to LMS with tailored content Membership with professional bodies to help you build your network Inclusive culture driven by values: Safety, Integrity, Teamwork, Ownership & Sustainability We are looking for smart, creative & motivated people #J-18808-Ljbffr
Degree / Higher Diploma qualification in an Engineering, Construction Management or equivalent discipline 5+ years post-qualification experience with tier one contractors Excellent working knowledge of latest building regulation and certification standards As a member of the project management team, you have the opportunity to influence safety culture onsite by demonstrating personal commitment, setting clear expectations, and effectively communicating safety policies. By consistently modelling safe behaviour, prioritising safety above productivity, and ensuring that all workers receive proper training and resources, you can foster an environment where safety is ingrained in every aspect of the construction process. Encouraging open communication, recognising and rewarding safe behaviour, and conducting regular inspections further reinforce the importance of safety. By taking these steps, you can help create a culture where safety is a shared value and a top priority for all stakeholders involved in the project. Key Responsibilities: Reporting to the Project Lead / Contracts Manager / Project Director, your key responsibilities will include, but not limited to; Agreeing project objectives in the areas of timely delivery, cost, quality and client satisfaction Representing the interests of the client and Collen Responsible for the successful delivery of project through leadership, management, technical and engineering expertise throughout the lifecycle of the project Providing advice on the management of projects Organising the various professional people working on a project Monitoring the workflow of sub-contractors ensuring guidelines are maintained Monitor construction to ensure quality of workmanship and materials Carrying out risk assessments Work to resolve critical site issues Ensuring all the aims of the project are met Co-ordinate project activities in accordance with company Quality System, Standard Quality Procedures and Engineering Specifications Ensure Design Team provide required information on time Using IT systems to keep track of people and progress Assisting the Project QS with the accounting, costing and billing to ensure the project is on budget Agreeing programme and delivering the project in accordance with same Chairing site meetings to include sub-contractor progress meetings and recording required minutes Chairing Internal and Client Meeting as required by Project Lead / Contracts Manager and recording required minutes Ensuring the project is running in accordance to the programme and on budget Completing Weekly, Bi-weekly and Monthly Reports as part of Project development Tracking Schedule Status and reporting accordingly Tracking Project Controls and monitoring schedule and costs for the Project Tracking and controlling Material & Plant requirements for the Project Tracking Change Management on the Project and reporting accordingly Ensuring an efficient construction site Delivering projects with the highest quality Leading Safety Leadership to include walks, Area Owner Management etc Working with the Health & Safety Department ensuring safe construction at all times. Strong time management and communication skills are essential to this role, as well as computer literacy and the ability to prepare reports and administer the necessary paperwork Career path framework aligned with your discipline Mentoring from industry experts and leadership exposure International project opportunities across Ireland, UK, Sweden, Denmark and Finland Access to LMS with tailored content Membership with professional bodies to help you build your network Inclusive culture driven by values: Safety, Integrity, Teamwork, Ownership & Sustainability We are looking for smart, creative & motivated people #J-18808-Ljbffr
Reporting to the Managing Director, the Preconstruction Manager will be responsible for managing the involvement in projects including technical, constructability, cost input, and programming, from the Tendering stage to the Construction stage. The Preconstruction Manager will lead the Preconstruction Team and act as the key contact person between Client Team, Design Team, Sub-contractors and the Collen Project Delivery Team to ensure the project requirements and PCSA or D&B scope are met, and associated deliverables are achieved within the agreed timelines, budget and format. Key Requirements: Master's degree in Construction Management, Civil Engineering, Architecture, or a related field Minimum of 15 years’ experience in preconstruction, estimating, and project management within the construction industry Proven record in delivering data centers in Europe Strong understanding of construction processes, materials, and methods Strong knowledge in design and commercial Excellent analytical, problem-solving, and decision-making skills Strong organisational and time management skills, with the ability to manage multiple projects simultaneously Effective communication and interpersonal skills, with the ability to work collaboratively with diverse teams Leadership in management of people and teams As a member of the project management team, you have the opportunity to influence safety culture onsite by demonstrating personal commitment, setting clear expectations, and effectively communicating safety policies. By consistently modelling safe behaviour, prioritising safety above productivity, and ensuring that all workers receive proper training and resources, you can foster an environment where safety is ingrained in every aspect of the construction process. Encouraging open communication, recognising and rewarding safe behaviour, and conducting regular inspections further reinforce the importance of safety. By taking these steps, you can help create a culture where safety is a shared value and a top priority for all stakeholders involved in the project. Key Responsibilities: Lead the preconstruction phase of projects from initial concept through to the start of construction Develop detailed preconstruction plans and schedules to ensure project milestones are met Coordinate with project stakeholders, including clients, architects, engineers, and subcontractors, to gather project requirements and specifications Estimating and Budgeting Prepare the cost estimation of projects, assist and inform the preparation of detailed and accurate cost estimates for projects, including trade packages and project preliminaries (resource, welfare, plant etc.) Oversight on project budgets, ensuring costs are aligned with estimates Perform value engineering to identify cost‑saving opportunities without compromising project quality or scope. Bid Management Work with and direct the Bid Manager in respect of technical input to the bid process, including input on preparation and distribution of bid packages, evaluation of bids, and selection of subcontractors. Liaise with sub-contractors and specialist sub-package providers on technical requirements of respective packages to define scope and associated cost Ensure all bids are competitive and meet the project requirements, scope of works and specifications Review and analyze the design prepared by the Design Team Manage the RFI process with the Design Team Establish scope of work for all trades Coordinate the BIM models Risk Management Identify and assess potential risks during the preconstruction phase Develop risk mitigation strategies and contingency plans, reporting to internal delivery team and Client team as appropriate Understanding of requirement for compliance with all relevant codes, regulations, and industry standards Documentation and Reporting Maintain accurate and up-to-date project documentation, including estimates, budgets, schedules, and contracts Prepare and present regular reports on project status, budget, and schedule to senior management and clients Ensure all documentation is organised and accessible for reference throughout the project lifecycle Gather feedback from the construction team to record lessons learned and enable continuous improvement. This position requires occasional travel to project sites and meetings with Clients, Subcontractors, and other Stakeholders. Career path framework aligned with your discipline Mentoring from industry experts and leadership exposure International project opportunities across Ireland, UK, Sweden, Denmark and Finland Access to LMS with tailored content Membership with professional bodies to help you build your network Inclusive culture driven by values: Safety, Integrity, Teamwork, Ownership & Sustainability We are looking for smart, creative & motivated people #J-18808-Ljbffr
Qualifications: 3rd level construction/engineering degree and/or a trade background 5 years+ experience in a similar site-based role Experience working on large scale construction projects/ hyperscale data centres would be an advantage Experience in managing sub-contractors Safety Leadership: As a member of the project management team, you have the opportunity to influence safety culture onsite by demonstrating personal commitment, setting clear expectations, and effectively communicating safety policies. By consistently modelling safe behaviour, prioritising safety above productivity, and ensuring that all workers receive proper training and resources, you can foster an environment where safety is ingrained in every aspect of the construction process. Encouraging open communication, recognising and rewarding safe behaviour, and conducting regular inspections further reinforce the importance of safety. By taking these steps, you can help create a culture where safety is a shared value and a top priority for all stakeholders involved in the project. Key Responsibilities: Reporting to the Project Manager, the key individual will be articulate with proven leadership attributes. Managing sub-contractors and direct personnel Plan and Monitoring work schedules Arranging and attending site meetings Making sure the project is running in accordance with the programme and on budget Ensuring an efficient construction site Delivering projects with the highest quality Represent the interests of both the company and the client in coordination with the Senior Management team Adhere to relevant quality standards Provide safety leadership while working with the Health & Safety Department to ensure safe construction at all times. Strong time management and communication skills are essential to this role, as well as computer literacy and the ability to prepare reports and administer the necessary paperwork. Career Benefits: Career path framework aligned with your discipline Mentoring from industry experts and leadership exposure International project opportunities across Ireland, UK, Sweden, Denmark and Finland Access to LMS with tailored content Membership with professional bodies to help you build your network Inclusive culture driven by values: Safety, Integrity, Teamwork, Ownership & Sustainability We are looking for smart, creative & motivated people #J-18808-Ljbffr
Minimum 3-5 years’ experience in a similar role Experience working on hyperscale Data Centres Excellent IT and communication skills Ability to navigate BIM models / relevant programmes Strong ability to collaborate and work as part of a high-performance team Good time management skills are essential while working to tight deadlines As a member of the project management team, you have the opportunity to influence safety culture onsite by demonstrating personal commitment, setting clear expectations, and effectively communicating safety policies. By consistently modelling safe behaviour, prioritising safety above productivity, and ensuring that all workers receive proper training and resources, you can foster an environment where safety is ingrained in every aspect of the construction process. Encouraging open communication, recognising and rewarding safe behaviour, and conducting regular inspections further reinforce the importance of safety. By taking these steps, you can help create a culture where safety is a shared value and a top priority for all stakeholders involved in the project. Key Responsibilities: Reporting to the Design Manager/Senior Contracts Manager, the responsibilities of the role will include, but may not be limited to: Support the Design process in providing a platform for good communication and coordination between Architects, Structural Engineers and Service Engineers, who all work direct for Collen on the project and ensure communication back to site teams Support the Design Manager to ensure any Design development is communicated with Collen Contracts Management and QS from a financial aspect Maintain commercial and contractual awareness Support the Coordination and track the submittal and approval process of Designs and materials ensuring Client Representative sign off and approvals Ensure approved submittals are aligned with the BIM teams model and vice versa Supporting the BIM team in design issues and ensuring all coordination is carried out ahead of model freeze Manage subcontractors and ensure works are in compliance with the design intent and approved submittals Support the development of look ahead plans Should have a good all-round knowledge of the construction industry and keep up to date across all disciplines including building regulations BCAR, TGD, environmental, health and Safety regulations Arrange and attend Site Meetings and take minutes, as required Handle internal and external communication with a high degree of professionalism and confidentiality Tracking construction progress and ensuring all approvals and material lead times align with agreed programme and sub-contractor start dates Ensuring all O&M’s and handover documentation is issued and approved in line with the agreed handover Support the aftercare team with closing out any design issues Ensuring compliance with the LA requirements and to ensure all relevant building control sign offs are achieved Work closely with the quality team, and ensure all quality checks and benchmarks are carried out and aligned with the design requirements Work closely with the project document controller ensuring the issue of relevant documentation is on track and to support the role in high level issues Promote and foster the company core values and a culture of wellness at work. Whilst the Role will predominantly focus on tracking CSA works, it is important the applicant will be able to work with the MEP teams and ensure coordination is carried out, where there is an interface between the disciplines. Career path framework aligned with your discipline Mentoring from industry experts and leadership exposure International project opportunities across Ireland, UK, Sweden, Denmark and Finland Access to LMS with tailored content Membership with professional bodies to help you build your network Inclusive culture driven by values: Safety, Integrity, Teamwork, Ownership & Sustainability We are looking for smart, creative & motivated people #J-18808-Ljbffr
A third level qualification in Construction Management Membership of a recognised professional body 5 years post qualification experience in a similar role A proven track record in delivering complex projects on time and within budget The Contracts Manager is responsible for the successful delivery of multiple projects or a single high value project through leadership, people/supply chain management, commercial and contract management along with technical & engineering expertise throughout the project life cycle. Key Responsibilities Management, Planning, and Progress Tracking of works Overall responsibility for Collen regarding project performance. Overall management lead of large value / multiple large value projects. Collaborating with marketing and business development departments to support their functions. Managing design teams and external consultants, along with in-depth technical understanding of the design details and interfaces. Comfortable in challenging design details/decisions in order to ensure best practice compliance. Supporting Collen Design Manager and Designers. BIM implementation and best practices. Proficiency with Microsoft Project and Navisworks to plan projects. Communication of project plan and progress to site team during daily whiteboard meetings. Resource planning, aligning Collen staff and subcontractors to satisfy job requirements. Subcontractor selection and management throughout works. Particular focus on the management and co-ordination of Mechanical and Electrical contractors, along with other specialist and/or high value, high risk subcontractors. Establishing and tracking of key performance indicators for the project(s). Problem identification, avoidance and solving. Implementing lean construction practices and innovations. Strong focus on performance improvements. External and internal project reporting. Meetings Collen lead at client meetings. Guidance, coaching and oversight of Collen staff at daily whiteboard meeting. Chairing weekly internal site meetings. Leading M&E meetings, supported by M&E Coordinator. Why Choose Collen? Career path framework aligned with your discipline Mentoring from industry experts and leadership exposure International project opportunities across Ireland, UK, Sweden, Denmark and Finland Access to LMS with tailored content Membership with professional bodies to help you build your network Inclusive culture driven by values: Safety, Integrity, Teamwork, Ownership & Sustainability We are looking for smart, creative & motivated people #J-18808-Ljbffr
Reporting to the Contracts Manager, the ideal candidate will have: An Architectural qualification and background Design/Construction on site experience 5-10 years’ experience in a similar role As a member of the project management team, you have the opportunity to influence safety culture onsite by demonstrating personal commitment, setting clear expectations, and effectively communicating safety policies. By consistently modelling safe behaviour, prioritising safety above productivity, and ensuring that all workers receive proper training and resources, you can foster an environment where safety is ingrained in every aspect of the construction process. Encouraging open communication, recognising and rewarding safe behaviour, and conducting regular inspections further reinforce the importance of safety. By taking these steps, you can help create a culture where safety is a shared value and a top priority for all stakeholders involved in the project. Key Responsibilities: Provide a platform for good communication and coordination between Architects, Structural Engineers and Service Engineers who all work direct for Collen on the project. Ensure any Design development is communicated with Collen CM and QS from a financial aspect. Have good commercial and contractual awareness. Hold and Lead workshop meetings with specialist Sub-Contractor. Coordinate and track the submittal and approval process of Designs and materials ensuring Client Rep sign off and approval. Look at risk/design problems by finding solutions with our Design Team before they materialize. Plan and co-ordinate with site PM and SM making sure all parties are aligned. Have good planning and programme skills. Should have a good all-round knowledge of the construction industry across all disciplines including technical aspects of design and construction details etc. Should have a good understanding of building regulations BCAR, TGD, environmental - health and Safety regulations. Attend Site Meetings and report on progress. Good negotiating and presentation skills. Career path framework aligned with your discipline Mentoring from industry experts and leadership exposure International project opportunities across Ireland, UK, Sweden, Denmark and Finland Access to LMS with tailored content Membership with professional bodies to help you build your network Inclusive culture driven by values: Safety, Integrity, Teamwork, Ownership & Sustainability We are looking for smart, creative & motivated people #J-18808-Ljbffr
Hybrid position Due to a growing pipeline of projects, we are seeking a Bid Manager to join our Team on a hybrid basis . This role offers potential for progression into a more senior preconstruction role. The successful candidate will have a construction background with strong technical credentials and excellent bid and tender experience. Reporting to the Bid Director you will be responsible for leading the bid management process, from initial tender identification through to submission, ensuring that bids are completed on time, within budget, and to the highest quality standards. Experience in leading large strategically important public or private bids is a distinct advantage. Qualifications and Experience: A bachelor's degree (or other relevant professional qualification) in construction management, engineering, architectural, or a related field is essential. 10 years + experience in bid/tendering roles within the Construction industry is essential, preferably in large scale contracting projects. Excellent written and verbal communication skills, with the ability to prepare, review, write and articulate high quality technical proposals. Strong understanding of the tendering process and procurement practices (Public and Private) in Ireland and the UK. Excellent project management skills, with the ability to manage multiple bids simultaneously. Strong analytical and problem-solving abilities, with strong attention to detail. Proficiency in Microsoft Office Suite and bid management software/tools. Ability to work collaboratively in a multi-disciplinary team environment. Flexibility to travel as needed for client meetings and site visits. #J-18808-Ljbffr
