IT Security & Network Engineer / Architect Role Overview The IT Security & Network Engineer/Architect acts as the primary interface between the Cyber Security Project Team and the Network Operations function. This role focuses on delivering security-driven network projects and architectural change across a critical 24x7 operational environment. The position is responsible for the design, planning, analysis, and implementation of strategic security initiatives that strengthen the organisation's overall security posture while ensuring alignment with existing network standards and operational requirements. The successful candidate will provide third-level technical expertise and architectural leadership throughout full project lifecycles, taking ownership of complex network and security solutions from concept through to delivery. Working closely with internal and external stakeholders, the role shapes and delivers secure, scalable, and resilient network architectures that meet business objectives, regulatory obligations, and strict service-level, availability, and security requirements. Key Responsibilities Technical Leadership & Architecture Act as Technical Lead for Cyber Security projects delivering network-related security initiatives across critical 24x7 operational networks. Develop and implement industry-standard, best-practice network designs to ensure scalability, resilience, and security of services. Provide consultative expertise, strategic thinking, and innovative problem-solving for network and security-related solutions. Produce high-quality technical documentation, architecture diagrams, and implementation plans. Enterprise Network & Security Design Design and implement enterprise data centre networks using ACI fabric design, including tenants, VRFs, bridge domains, and EPGs. Develop secure network segmentation strategies aligned with zero-trust principles. Implement high-availability and disaster-recovery strategies for critical applications. Continuously develop and test failover plans for critical network components and services. Firewall & Threat Management Configure and manage Cisco Next-Generation Firewall (NGFW) features including: Intrusion Prevention System (IPS) Security Intelligence Portscan Detection Encrypted Visibility Engine (EVE) Perform firewall lifecycle management including: Software upgrades Policy optimisation Health monitoring Conduct threat management and vulnerability assessments. Application Delivery & Traffic Management Design, deploy, and optimise application delivery solutions using Citrix Netscaler, including: L4-L7 load balancing Web Application Firewall (WAF) Content switching Traffic steering Collaborate with application teams to ensure secure, resilient, and high-performance traffic flows. Automation & Operational Excellence Leverage automation tools (Python, Ansible, REST APIs) to enhance operational efficiency. Provide network and security performance monitoring to ensure SLAs are met. Operate, maintain, and secure network services supporting internal and external customers. Resolve complex technical issues escalated from second-line network support. Mentor second-line staff to support their professional development and team contribution. Apply ITIL practices in change management and continual service improvement. Services Scope Security-driven network architecture and transformation Enterprise data centre networking Firewall lifecycle management Network segmentation and zero-trust implementation Threat management and vulnerability assessment High availability and disaster recovery planning Application delivery optimisation Network performance monitoring and SLA compliance Expected Knowledge & Qualifications Certifications Cisco Certified Internetwork Expert (CCIE) Certified Information Systems Security Professional (CISSP) Technical Expertise Excellent knowledge of networking protocols and topologies Security architecture design and implementation Identity & Access Management (I&AM) and cybersecurity principles Strong working knowledge of: TCP/IP Cisco firewalls ACI Networks LAN, WAN, VPN systems Network management and administration tools Threat management and vulnerability assessment Automation tools (Python, Ansible, REST APIs) ITIL practices (Change Management & Continual Improvement) Professional Skills Excellent communication and stakeholder engagement skills Strong documentation and technical writing capability Strategic thinking with consultative delivery approach Ability to lead complex technical initiatives in mission-critical environments #J-18808-Ljbffr
E-Frontiers is seeking a Senior Electrical Pre-Construction Manager in Kildare to lead early-stage planning and coordination for major electrical packages across data centre and mission-critical projects. The ideal candidate should have 5-10 years of relevant experience and a degree in Electrical Engineering. Responsibilities include managing designs, engaging with clients for scope definition, and ensuring compliance with industry standards. This role offers an opportunity to work on cutting-edge projects across Europe in a collaborative engineering environment. #J-18808-Ljbffr
E-Frontiers is seeking a Senior Coordinating Engineer for a large-scale industrial construction project in Newbridge, Kildare. The role involves coordinating engineering and site activities to ensure safe and efficient project delivery. Candidates must possess a degree in Civil Engineering, have over 5 years of experience in construction coordination, and exhibit strong coordination and communication skills. A proficiency in construction management tools is also required. The position is full-time and permanent. #J-18808-Ljbffr
Location: Newbridge Job Type: Full-Time | Permanent Overview Senior Coordinating Engineer required for a large-scale industrial construction project in Newbridge. The role involves coordinating engineering and site activities on a live, multi-disciplinary project, ensuring safe, efficient delivery in line with programme, quality, and client requirements. Key Responsibilities Coordinate site engineering and construction activities across multiple work fronts Liaise with site management, subcontractors, client teams, and design consultants Review drawings, specifications, and technical documentation Support programme delivery, sequencing, and site logistics Ensure compliance with H&S, quality standards, and client protocols Resolve technical and coordination issues as they ariseMaintain progress reporting and site records Support and guide junior engineering staff Candidate Requirements Degree in Civil Engineering, Construction Management, or related field 5+ years' experience in construction coordination or site engineering Experience on industrial or live client sites preferred Strong coordination, communication, and organisational skills Ability to manage multiple subcontractors and priorities Proficient in construction management tools #J-18808-Ljbffr
E-Frontiers is looking for a CSA Project Engineer in Dublin, Ireland, to support civil, structural, and architectural works on major projects. Candidates should have a degree in Civil Engineering or Construction Management and between 2-5 years of relevant experience. The role involves assisting with technical coordination, reviewing designs, and monitoring site quality and progress. Join a dynamic team in a critical mission project in Leinster. #J-18808-Ljbffr
E-Frontiers is seeking a Senior Coordinating Engineer / Assistant Project Manager in Athlone, Ireland to support a high-profile pharmaceutical construction project. The role involves managing engineering activities and ensuring compliance with project specifications and regulatory requirements. The ideal candidate should be degree-qualified in Civil Engineering with over 5 years of experience in a similar role, preferably on pharmaceutical projects. The position offers excellent career progression and a competitive benefits package. #J-18808-Ljbffr
Senior Coordinating Engineer / Assistant Project Manager Location: Athlone, Ireland Sector: Pharmaceutical Construction Employer: Tier 1 Main Contractor Overview We are seeking an experienced Senior Coordinating Engineer / Assistant Project Manager to join a leading Tier 1 Main Contractor on a high-profile pharmaceutical construction project based in Athlone. This is a key position supporting the successful delivery of a complex, regulated build environment, ensuring coordination across multiple disciplines while assisting in overall project management. Key Responsibilities Coordinate and manage site engineering activities across multiple workstreams Support the Project Manager in the day-to-day running of the project Ensure all works are delivered in line with project specifications, drawings, and regulatory requirements Liaise with subcontractors, consultants, and client representatives Drive programme adherence and monitor progress against key milestones Assist in managing project documentation, reporting, and change control processes Ensure compliance with health & safety standards and company policies Review and manage technical submittals and RFIs Contribute to quality assurance and commissioning processes Requirements Degree-qualified in Civil Engineering, Construction Management, or a related discipline 5+ years' experience in a similar role with a main contractor Previous experience working on pharmaceutical or life sciences projects is highly desirable Strong understanding of construction methodologies and sequencing Excellent stakeholder management and communication skills Proven ability to work in a fast-paced, high-spec environment Strong organisational and problem-solving abilities Familiarity with project management tools and software Desirable Experience working on large-scale industrial or mission-critical projects Knowledge of GMP (Good Manufacturing Practice) environments Previous experience in a Tier 1 contractor setting Package Competitive salary (DOE) Pension contribution Bonus scheme Car allowance or company vehicle Excellent career progression opportunities within a leading contractor How to Apply For a confidential discussion or to apply, please get in touch directly. #J-18808-Ljbffr
We are seeking an experienced Network Architect with deep expertise in Microsoft Azure to design, implement, and optimize scalable, secure, and high-performance network solutions. This role will be responsible for shaping cloud network strategy, ensuring best practices, and supporting complex hybrid and multi-cloud environments. Key Responsibilities Design and architect enterprise-grade network solutions within Microsoft Azure, including hybrid connectivity. Lead the development of network architecture standards, policies, and best practices. Implement and manage Azure networking services such as Virtual Networks (VNets), VPN Gateway, ExpressRoute, Azure Firewall, Load Balancers, and Application Gateway. Design secure connectivity between on-premises infrastructure and Azure environments. Optimize network performance, scalability, and cost-efficiency across cloud environments. Collaborate with security teams to enforce Zero Trust architecture and compliance requirements. Provide technical leadership and mentorship to network engineers and cloud teams. Troubleshoot complex networking issues across hybrid and cloud-native environments. Evaluate emerging technologies and recommend improvements to existing architecture. Produce and maintain detailed architecture documentation and diagrams. Required Qualifications 8+ years of experience in network architecture, engineering, or related roles. Strong hands‑on experience with Microsoft Azure networking services. Deep understanding of TCP/IP, routing protocols (BGP, OSPF), DNS, and network security principles. Experience with firewalls, network security groups (NSGs), and micro‑segmentation. Familiarity with Infrastructure as Code (IaC) tools such as Terraform or ARM templates. Strong troubleshooting and analytical skills. Preferred Qualifications Microsoft certifications such as Azure Solutions Architect Expert. Experience with multi‑cloud environments (AWS, GCP). Knowledge of SD‑WAN and network virtualization technologies. Experience with DevOps practices and CI/CD pipelines. Strategic thinking and architectural design. Strong communication and stakeholder management. Problem‑solving and decision‑making. Attention to detail and documentation rigor. #J-18808-Ljbffr
E-Frontiers is looking for a Test Manager for a 3-month contract in Dublin South, offering €600-650 per day. The role involves overseeing the end-to-end test strategy for OSS/BSS transformation, ensuring quality and readiness across systems. Candidates should have proven experience in telecom environments, along with strong skills in integration testing and leadership. Responsibilities include leading all testing phases and managing stakeholder communications through a structured and risk-aware approach. #J-18808-Ljbffr
Join a leading industrial consulting practice that combines deep engineering expertise with cutting-edge technologies to help organizations in Utilities, Health, and Public Sector transform operations and maximize asset value. This Enterprise Asset Management role offers the chance to deliver technology-driven, value-focused solutions across the full asset lifecycle. About the Role In this Enterprise Asset Management role you will help clients modernize operations, integrate digital technologies, and improve asset performance. This is a dynamic role that blends consulting, technology, and operational excellence, with opportunities to apply AI, IoT, and digital twins to real-world challenges. The position is hybrid, based in either Cork or Dublin , with some travel expected. Responsibilities Deliver end-to-end asset management solutions, including strategy, process design, and capability uplift. Facilitate client workshops, align stakeholders, and drive cross-functional change. Advise on enterprise technology selection and integration (EAM/ERP platforms like Maximo, SAP, IFS). Apply AI, IoT, OT/IT integration, and digital technologies to modernize asset operations. Support proposal development, client presentations, and value-driven transformation engagements. About You Significant experience in asset management consulting across utilities, healthcare, or public infrastructure. Strong technical expertise in Enterprise Asset Management systems, IoT, SCADA, and digital twins. Experience delivering digital transformation projects with cloud-based EAM platforms. Familiarity with industry standards (ISO 55000, BIM/ISO19650) and asset lifecycle frameworks. Excellent consulting, communication, and stakeholder management skills. #J-18808-Ljbffr
