Senior Network Security Engineer / Architect Contract Role Location: Dublin, Ireland (Hybrid 3 days on-site, 2 days remote per week) Contract: Initial 6 months (with potential extension) Stelfox is partnering with a leading Dublin-based organisation to hire an experienced Senior Network Security Engineer / Architect to deliver strategic, security-driven network transformation initiatives across a critical 24x7 operations environment. Key Responsibilities Lead Cyber Security projects delivering network-related security initiatives across a 24x7 operations network Design and implement enterprise data centre networks using Cisco ACI fabric design Configure and manage Cisco NGFW capabilities including IPS, Security Intelligence, Portscan Detection, and Encrypted Visibility Engine (EVE) Perform firewall lifecycle management (upgrades, policy optimisation, health monitoring) Develop secure network segmentation strategies aligned to zero-trust principles Design and optimise application delivery using Citrix Netscaler Implement high availability and disaster recovery strategies Drive automation using Python, Ansible, and REST APIs Provide third-level technical escalation support Mentor second-line engineers and promote best practice engineering standards Ensure network and security performance monitoring meets SLA requirements Develop and test failover strategies for critical infrastructure components Collaborate closely with application teams, operations, and external stakeholders Required Skills & Qualifications CCIE (Cisco Certified Internetwork Expert) essential CISSP (Certified Information Systems Security Professional) essential Extensive experience in: Security architecture design & implementation Cisco firewalls, ACI networks, LAN/WAN, VPN environments TCP/IP and enterprise network protocols/topologies Threat management & vulnerability assessment Identity & Access Management (I&AM) Network management & administration tooling Excellent communication, documentation, and stakeholder engagement skills Strong knowledge of ITIL (Change Management & Continuous Improvement) If you are interested in this role, click 'apply' to send an updated copy of your CV toHoney Rathoreoremailfor more details. Please note: We have a number of similar positions currently, and in the future, which we would like to discuss with you should you indicate your interest in this role. When we receive your application for this role, we will contact you to advise you of our process for other similar positions. Stelfox is fully compliant with GDPR regulations and you can read more in our privacy policy here: Your shared data will not be disclosed or transferred to a third party data controller or data processor located outside the EEA unless we have obtained your express consent. We look forward to working with you.
Test Manager - Daily Rate Contractor Role - Hybrid-Working Model Excellent NEW role just in, 6-month rolling / long-term contract position. Role Description: This is he excellent opportunity for a motivated, self-starting Test Manager to work with high profile financial applications that are impacting cutting edge financial technology. Working with project teams to ensure high standards of delivery quality the individual will be responsible for end-to-end testing ensuring that business, technical, and functional requirements are being met throughout the SDLC. Tests may be manual, automated or both. You will define test strategies for new applications, develop and execute test scripts based upon test strategy/plans to identify defects prior to production deployment. Throughout you will identify and develop ways to improve the quality and efficiency of the testing process. Qualifications: ISTQB preferable but not essential Essential Skills: Experience with test automation tools (e.g. Selenium, Cucumber, Java) Experience in automation of integration testing Bachelor's Degree or equivalent work experience in related field Work experience in Financial Services / Banking preferred but not essential Work experience in a global organization ** Live Role - Apply for immediate consideration ** If you are interested in this position, please apply or contact in strictest confidence. Please note: We have a number of similar positions currently, and in the future, which we would like to discuss with you should you indicate your interest in this role. When we receive your application for this role, we will contact you to advise you of our process for other similar positions. Stelfox is fully compliant with GDPR regulations and you can read more in our privacy policy here: Your shared data will not be disclosed or transferred to a third party data controller or data processor located outside the EEA unless we have obtained your express consent. We look forward to working with you.
Senior DevSecOps Engineer (Azure) - Daily Rate Contract - Hybrid-Working Model We are currently recruiting for a Senior DevSecOps Engineer who brings deep technical expertise, a security-first mindset, and a passion for automation and operational excellence for a key account client of ours in Dublin. Candidates must have 6-8+ years commercial experience in a similar position. Core Technical Skills: Microsoft Azure expertise in enterprise environments. Advanced Terraform proficiency for automated provisioning and lifecycle management of infrastructure. Hands-on experience with Docker for containerisation, image management, and deployment within enterprise environments. CI/CD automation experience with GitHub Actions, including pipeline design, integration, and optimisation. JFrog Artifactory knowledge for artefact management and secure distribution. Security tooling experience with Snyk and SonarQube for vulnerability scanning and code quality assurance. Containerisation and orchestration skills with Kubernetes and Azure Container Apps. Monitoring and logging capabilities using DataDog Azure Monitor, Prometheus, Grafana, or similar platforms. Scripting and automation proficiency in Bash, PowerShell, or Python. Experience with OpenShift Container Platform is a plus. Collaboration & Delivery: Experience working with Jira for issue tracking, sprint management, and workflow integration. Strong communication and teamwork within cross-functional agile environments. Security-first mindset with understanding of DevSecOps principles, secure coding, and automated security testing. Desirable Qualifications: Degree in Computer Science, Engineering, or relevant equivalent experience. Relevant certifications such as Azure Administrator, Terraform Associate, CKA/CKAD, or DevSecOps Practitioner. Experience with additional cloud platforms. Knowledge of alternative CI/CD tools such as Jenkins or Azure DevOps. Familiarity with security frameworks and compliance standards. ** Live Role - Apply for immediate consideration ** If you are interested in this position please apply or contact in strictest confidence. Please note: We have a number of similar positions currently, and in the future, which we would like to discuss with you should you indicate your interest in this role. When we receive your application for this role, we will contact you to advise you of our process for other similar positions. Stelfox is fully compliant with GDPR regulations and you can read more in our privacy policy here: Your shared data will not be disclosed or transferred to a third party data controller or data processor located outside the EEA unless we have obtained your express consent. We look forward to working with you.
Machine Learning Engineer - Permanent Role Location: Waterford, Ireland Hybrid: Minimum 2 days onsite Stelfox is partnering with a leading client to hire a Machine Learning Engineer for a permanent role based in Waterford. This is an exciting opportunity to work on innovative data science and machine learning solutions that drive real business value and help shape a data-driven strategy across the organisation. You will join a collaborative engineering environment where data is treated as a strategic asset. The role suits someone who enjoys designing and deploying scalable ML solutions, working across data platforms, and influencing how data products are built and delivered. Key Responsibilities: Design, develop, deploy, and support high-quality machine learning and data science solutions that are scalable, secure, and aligned with best practices. Build and maintain machine learning models and supporting code using modern development practices. Work across the full software development lifecycle (SDLC) using Agile methodologies. Transform and map data from source systems to analytics and machine learning platforms. Develop testing plans and quality assurance processes to ensure robust data solutions. Improve data quality, application performance, reliability, and scalability across data products. Collaborate with IT and business stakeholders to deliver data-informed product strategies. Contribute to data modelling, analysis, governance, and security best practices. Participate in code reviews, testing, and validation of new features and vulnerability fixes. Augment internal datasets with external data sources to create reusable data assets. Stay current with emerging AI, machine learning, and data engineering trends. Mentor engineers and promote a data-first approach to solution design. Key Skills & Experience: Experience developing and deploying machine learning models and data science solutions. Proficiency in Python and modern machine learning frameworks such as TensorFlow, PyTorch, and scikit-learn. Experience working with AWS cloud services (e.g., S3, Lambda, SageMaker, Bedrock, Step Functions). Experience working with Linux environments, containers, and AWS cloud infrastructure. Knowledge of AI and Generative AI development patterns (e.g., Retrieval-Augmented Generation RAG). Ability to work independently while collaborating with cross-functional teams. Knowledge of data platforms and tools such as Snowflake and Dataiku. Hands-on experience implementing MLOps practices, including CI/CD, automated testing, model versioning, observability, and infrastructure-as-code. Familiarity with GenAI and LLM-based solutions and modern AI development patterns. Understanding of governance, risk, audit, and responsible AI standards in AI/ML development. If you are interested in this role, click 'apply' to send an updated copy of your CV to Honey Rathore or email for more details. Please note: We have a number of similar positions currently, and in the future, which we would like to discuss with you should you indicate your interest in this role. When we receive your application for this role, we will contact you to advise you of our process for other similar positions. Stelfox is fully compliant with GDPR regulations and you can read more in our privacy policy here: Your shared data will not be disclosed or transferred to a third party data controller or data processor located outside the EEA unless we have obtained your express consent. We look forward to working with you.
Senior Python Developer Contract Opportunity Stelfox is partnering with a leading Dublin-based organisation currently expanding its technology team. We are seeking three experienced Senior Python Developers to join on a contract basis and play a key role in delivering high-impact, agile-driven projects. Location: Dublin, Ireland (Hybrid 3 Days Onsite, 2 Days Remote) Contract: 6-Month Rolling (Long-Term Potential) Rate: Competitive Daily Rate Key Responsibilities Develop clean, maintainable, and well-tested code aligned with industry best practices. Design and implement scalable backend solutions using Python. Translate business requirements into robust, efficient technical solutions. Collaborate closely with UX/UI teams to deliver seamless, user-focused features. Identify and resolve performance bottlenecks to optimise application efficiency. Contribute to code reviews and drive continuous improvement initiatives. Required Skills & Experience 5+ years of hands-on professional experience in Python development. Strong expertise in Flask and Django frameworks. Solid understanding of SQL and relational database systems. Experience with CI/CD and DevOps tools, including Git, Jenkins, Artifactory, and Ansible. Comfortable working within Linux/UNIX environments. Demonstrated experience building and maintaining RESTful APIs. Experience working in Agile environments with strong communication and collaboration skills. This is an excellent opportunity to join a fast-growing team, contribute to meaningful projects, and work within a dynamic, technology-focused environment. If you are interested in this role, click 'apply' to send an updated copy of your CV toHoney Rathoreor emailfor more details. Please note: We have a number of similar positions currently, and in the future, which we would like to discuss with you should you indicate your interest in this role. When we receive your application for this role, we will contact you to advise you of our process for other similar positions. Stelfox is fully compliant with GDPR regulations and you can read more in our privacy policy here: Your shared data will not be disclosed or transferred to a third party data controller or data processor located outside the EEA unless we have obtained your express consent. We look forward to working with you.
Senior IT Security Engineer Contract Dublin, Ireland | Hybrid (1 day onsite per week) 12-month initial contract | Long-term rolling contract | Potential for permanent role Stelfox is partnering with a leading client in Dublin to hire a Senior IT Security Engineer. This role offers the opportunity to work in a large-scale multi-cloud and Kubernetes environment, helping to build and maintain modern cloud security practices. Key Responsibilities Deploy and manage CSPM, CNAPP, and CWPP solutions across multi-cloud and Kubernetes environments. Optimize cloud security controls including IAM, WAFs, VPC security, and data protection (KMS/Vault). Integrate cloud telemetry (GCP, AWS, Azure, Kubernetes logs) with SIEM/SOAR platforms. Define and enforce cloud security architectures and guardrails aligned with Zero Trust and Least Privilege principles. Implement Security as Code using Terraform, CloudFormation, or Bicep. Manage and secure containerized workloads across GKE, AKS, and EKS environments. Harden Kubernetes clusters and maintain security baselines for images, registries, and runtimes. Support cloud security incident response and stay updated on emerging threats and vulnerabilities. Required Skills: 7 years experience in Information Security Hands-on experience with two or more public cloud platforms (GCP and Azure preferred; AWS or OCI a plus). Strong knowledge of Kubernetes security controls including RBAC, Secrets management, Ingress, and TLS. Experience with container runtime security and cluster hardening. Scripting skills (Python preferred, Bash or Go beneficial). Experience with Infrastructure as Code (IaC) and automation. Knowledge of security frameworks including ISO 27001, SOC 2, NIST, and CIS Benchmarks for cloud and Kubernetes. If you are interested in this role, click 'apply' to send an updated copy of your CV to Honey Rathore or email for more details. Please note: We have a number of similar positions currently, and in the future, which we would like to discuss with you should you indicate your interest in this role. When we receive your application for this role, we will contact you to advise you of our process for other similar positions. Stelfox is fully compliant with GDPR regulations and you can read more in our privacy policy here: Your shared data will not be disclosed or transferred to a third party data controller or data processor located outside the EEA unless we have obtained your express consent. We look forward to working with you.
Cloud Security Analyst - Daily Rate Contract - Dublin - Excellent NEW Position - Hybid-Working Model Reporting to the Senior IT Security Manager, the Cloud Security Analyst is a hands-on cloud and container security specialist. This role is responsible for securing large-scale, multi-cloud, and Kubernetes-based environments. You will define and enforce security standards, hardening baselines, and detection capabilities, partnering with DevOps, networking, and SOC teams to embed security into design and automation. This is 12 month initial contract term with a view to extension. Long-term / rolling contract Responsibilities Optimize cloud-native security controls including Identity and Access Management (IAM), network security (WAFs, VPC controls), and data protection (KMS/Vault). Deploy and manage CSPM, CNAPP, and CWPP solutions for continuous posture management across multi-cloud and Kubernetes environments. Integrate cloud telemetry (GCP Audit Logs, CloudTrail, Azure Monitor, K8s audit logs) with SIEM/SOAR platforms for enhanced visibility. Define and enforce cloud security reference architectures and guardrails based on Zero Trust and Least Privilege principles. Build and maintain "Security as Code" using Terraform, CloudFormation, or Bicep, and policy-as-code. Own the security posture of containerized workloads (GKE, AKS, EKS); define security baselines for images, registries, and runtimes. Harden clusters through secure configuration of RBAC, NetworkPolicies, and Admission Controllers. Investigate and respond to cloud security incidents, providing triage, containment, and forensic support. Stay up to date with current vulnerabilities, attacks, and countermeasures relevant to cloud-native ecosystems. Qualifications Experience: 5+ years of progressive experience in Information Security, with at least 3+ years focused on Cloud security and 2+ years on Kubernetes/Container security. Cloud Expertise: Hands-on experience with at least two major public clouds (GCP and Azure preferred; AWS and OCI a plus). Container Security: Strong expertise in Kubernetes security controls (RBAC, Secrets, Ingress, TLS) and container runtime internals. Technical Skills: Proficiency in scripting (Python preferred; Bash or Go a plus) and working knowledge of Infrastructure as Code (IaC). Compliance & Frameworks: Knowledge of information security standards (e.g., ISO 27001, SOC 2, NIST) and CIS Benchmarks for Cloud and Kubernetes. Professional Certifications: CISSP, CKS (Certified Kubernetes Security Specialist), or cloud-specific certifications (GCP Professional Cloud Security Engineer, Azure Security Engineer) are highly desirable. Soft Skills: Proven ability to influence engineering teams without direct authority and experience working in multi-national corporate environments. ** Live Role - Apply for immediate consideration ** If you are interested in this role please apply of contact in strictest confidence. Please note: We have a number of similar positions currently, and in the future, which we would like to discuss with you should you indicate your interest in this role. When we receive your application for this role, we will contact you to advise you of our process for other similar positions. Stelfox is fully compliant with GDPR regulations and you can read more in our privacy policy here: Your shared data will not be disclosed or transferred to a third party data controller or data processor located outside the EEA unless we have obtained your express consent. We look forward to working with you. Benefits: Work From Home
Senior Product Owner - 6 Month Daily Rate Contract - Dublin (Hybrid - 2 Days' On-Site) We are looking for an experienced Senior Product Owner who can develop and maintain a clear backlog and use it to optimize the value delivered by the development teams. The successful candidate will join an expanding Dublin based team. This is a rolling / long-term contract position. Candidate must be comfortable working in a fast-paced Agile environment and will have the ability to work effectively in a cross-disciplinary team. The team will focus on the development of a new enterprise scale application. *Please note - This isnota Product Manager role.* Responsibilities: Taking both user and business needs into account, drive requirements analysis with Service Management/ Product Management. Drive high level design and solutioning exercises working with UX Designers/PMs, and the Scrum Team to develop concepts. Coordinate usability and user experience testing throughout the release cycle. Work with teams to develop and groom stories JIT. Manage production bugs for products in conjunction with SLAs. Work with Scrum teams in estimating to define target scope and a release plan. Review and agree solution fitness with Product Managers. Create and maintain the Product Backlog - making feature trade-offs, priority calls etc. Prioritize and sequence the Backlog according to business value. Work as part of a scrum team(s), collaborating on story grooming & acceptance test criteria development. ** Live Role - Apply for immediate consideration** If you are interested in this role please apply or contactin strictest confidence. Please note: We have a number of similar positions currently, and in the future, which we would like to discuss with you should you indicate your interest in this role. When we receive your application for this role, we will contact you to advise you of our process for other similar positions. Stelfox is fully compliant with GDPR regulations and you can read more in our privacy policy here: Your shared data will not be disclosed or transferred to a third party data controller or data processor located outside the EEA unless we have obtained your express consent. We look forward to working with you.
