107 jobs found in Swansea

Job Title: HPC Linux Systems Engineer - Enterprise Linux & Cluster Infrastructure Location: Hybrid to Remote - Swansea (mostly remote & expenses for all site travel) Day Rate: £465 per day - payable to Limited Company / Outside IR35 Duration: 4 months initially Pay Frequency: Weekly Start Date: ASAP Overview We are seeking an experienced HPC Linux Systems Engineer to deploy, configure, optimise and support high-performance computing (HPC) environments. This includes large-scale Linux clusters, GPU-accelerated systems, and associated storage, networking, and authentication infrastructure. Although this role is hybrid, it's expected to be largely remote / WFH. Responsibilities Deploy, configure, optimise and support enterprise Linux across HPC clusters Automate provisioning and manage configuration at scale (PXE, Kickstart, Ansible/Puppet) Install, configure, and optimise HPC schedulers (e.g. Slurm) and MPI environments Deploy and manage GPU...

Job Title: HPC Linux Systems Engineer - Enterprise Linux & Cluster Infrastructure Location: Hybrid to Remote - Swansea (mostly remote & expenses for all site travel) Day Rate: £465 per day - payable to Limited Company/Outside IR35 Duration: 4 months initially Pay Frequency: Weekly Start Date: ASAP Overview We are seeking an experienced HPC Linux Systems Engineer to deploy, configure, optimise and support high-performance computing (HPC) environments. This includes large-scale Linux clusters, GPU-accelerated systems, and associated storage, networking, and authentication infrastructure. Although this role is hybrid, it's expected to be largely remote/WFH. Responsibilities Deploy, configure, optimise and support enterprise Linux across HPC clusters Automate provisioning and manage configuration at scale (PXE, Kickstart, Ansible/Puppet) Install, configure, and optimise HPC schedulers (eg Slurm) and MPI environments Deploy and manage GPU...

Job Title: HPC Linux Systems Engineer - Enterprise Linux & Cluster Infrastructure Location: Hybrid to Remote - Swansea (mostly remote & expenses for all site travel) Day Rate: £465 per day - payable to Limited Company/Outside IR35 Duration: 4 months initially Pay Frequency: Weekly Start Date: ASAP Overview We are seeking an experienced HPC Linux Systems Engineer to deploy, configure, optimise and support high-performance computing (HPC) environments. This includes large-scale Linux clusters, GPU-accelerated systems, and associated storage, networking, and authentication infrastructure. Although this role is hybrid, it s expected to be largely remote/WFH. Responsibilities Deploy, configure, optimise and support enterprise Linux across HPC clusters Automate provisioning and manage configuration at scale (PXE, Kickstart, Ansible/Puppet) Install, configure, and optimise HPC schedulers (eg Slurm) and MPI environments Deploy and manage GPU...

Job Title: HPC Linux Systems Engineer - Enterprise Linux & Cluster Infrastructure Location: Hybrid to Remote - Swansea (mostly remote & expenses for all site travel) Day Rate: £465 per day - payable to Limited Company / Outside IR35 Duration: 4 months initially Pay Frequency: Weekly Start Date: ASAP Overview We are seeking an experienced HPC Linux Systems Engineer to deploy, configure, optimise and support high-performance computing (HPC) environments. This includes large-scale Linux clusters, GPU-accelerated systems, and associated storage, networking, and authentication infrastructure. Although this role is hybrid, it 's expected to be largely remote / WFH. Responsibilities Deploy, configure, optimise and support enterprise Linux across HPC clusters Automate provisioning and manage configuration at scale (PXE, Kickstart, Ansible/Puppet) Install, configure, and optimise HPC schedulers (e.g. Slurm)...

Job Title: HPC Linux Systems Engineer - Enterprise Linux & Cluster Infrastructure Location: Hybrid to Remote - Swansea (mostly remote & expenses for all site travel) Day Rate: £465 per day - payable to Limited Company/Outside IR35 Duration: 4 months initially Pay Frequency: Weekly Start Date: ASAP Overview We are seeking an experienced HPC Linux Systems Engineer to deploy, configure, optimise and supp click apply for full job details

Job Title: HPC Linux Systems Engineer - Enterprise Linux & Cluster Infrastructure Location: Hybrid to Remote - Swansea (mostly remote & expenses for all site travel) Day Rate: £465 per day - payable to Limited Company/Outside IR35 Duration: 4 months initially Pay Frequency: Weekly Start Date: ASAP Overview We are seeking an experienced HPC Linux Systems Engineer to deploy, configure, optimise and supp click apply for full job details

Role: OT Applications Integration Engineer (SCADA) Location: Remote with ad hoc travel Rate: £600 per day (Outside IR35) Duration: 12 Months I am currently partnering with a leading organisation in the Utilities sector to recruit a Technical Analyst specialising in OT Applications Engineering. This organisation operates at a national scale, managing critical infrastructure where security and resilience are paramount. This is a hands-on technical role focused on a major SCADA uplift programme. You will be responsible for improving the security posture of the Operational Technology environment through application migration, Kerberos rollout, and enhanced privileged access management. The project is critical for addressing specific security findings and achieving compliance with NIS CAF standards. Key Responsibilities Integrate, deploy, and maintain multitier applications within a distributed OT environment. Execute the Kerberos rollout for SCADA...

JOB DETAILS - £500-£550 PER DAY - OUTSIDE IR35 - 12-MONTH CONTRACT - REMOTE ROLE WITH OCCASIONAL ON-SITE IN SOUTH WALES SKILLS - Experience working on SCADA projects. - Strong skills in Linux and Windows. - Knowledge of different encryption methods. - Understanding of Kerberos. - Prior experience working in Active Directory (AD) projects. RESPONSIBILITIES - Support SCADA upgrade programme and delivery of application upgrades across SCADA install base. - Managing enhanced privileged access management to SCADA. - Knowledge of onboarding legacy systems into Active Directory (AD). - Supporting Kerberos rollout. What you need to do now If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now. If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career. Hays Specialist Recruitment Limited acts as an employment agency for permanent...

OT Security Engineer - Based in South Wales, Hybrid Working, Paying between £600 to £700 Per Day, Outside IR35, 12 Month Contract, To Start ASAP Your new company You will be working with a leading organisation that is based in South Wales. Your new role We're looking for a hands‑on OT Security Engineer to play a key role in strengthening and evolving operational technology security across complex, business‑critical environments. This contract focuses on designing, implementing and maturing OT security tooling, initially leading the deployment of EDR, ITDR, NDR and ICS monitoring solutions into OT networks, alongside the rollout of hardened security baselines. You'll work closely with SOC, security architecture and incident response teams to integrate solutions into a centralised SIEM/SOC capability and fine-tune detection and response. This is a highly technical, electrofocusing role offering real ownership, autonomy and impact. Key Responsibilities Lead the...

OT Security Engineer - Based in South Wales, Hybrid Working, Paying between £600 to £700 Per Day, Outside IR35, 12 Month Contract, To Start ASAP Your new company You will be working with a leading organisation that is based in South Wales. Your new role We're looking for a hands‑on OT Security Engineer to play a key role in strengthening and evolving operational technology security across complex, business‑critical environments. This contract focuses on designing, implementing and maturing OT security tooling, initially leading the deployment of EDR, ITDR, NDR and ICS monitoring solutions into OT networks, alongside the rollout of hardened security baselines. You'll work closely with SOC, security architecture and incident response teams to integrate solutions into a centralised SIEM/SOC capability and fine-tune detection and response. This is a highly technical, electrofocusing role offering real ownership, autonomy and impact. Key Responsibilities Lead...

Technical Analyst (Applications Engineer) Cardiff (flexible working) Outside IR35 12 months We are seeking a skilled Technical Analyst (Applications Engineer) to support a major SCADA upgrade programme. This role will play a key part in delivering application upgrades across the existing SCADA estate, ensuring systems remain secure, resilient, and aligned with modern infrastructure standards. The successful candidate will contribute to the rollout of Kerberos authentication, enhance privileged access management (PAM) capabilities, and support the integration of legacy SCADA systems into Active Directory (AD). This is a hands-on role requiring strong technical expertise across both infrastructure and application layers. Key Responsibilities: Support the delivery of a large-scale SCADA upgrade programme Implement and manage application upgrades across the SCADA install base Lead and support the rollout of Kerberos authentication Enhance and manage...

JOB DETAILS - £500-£550 PER DAY - OUTSIDE IR35 - 12-MONTH CONTRACT - REMOTE ROLE WITH OCCASIONAL ON-SITE IN SOUTH WALES SKILLS - Experience working on SCADA projects. - Strong skills in Linux and Windows. - Knowledge of different encryption methods. - Understanding of Kerberos. - Prior experience working in Active Directory (AD) projects. RESPONSIBILITIES - Support SCADA upgrade programme and delivery of application upgrades across SCADA install base. - Managing enhanced privileged access management to SCADA. - Knowledge of onboarding Legacy systems into Active Directory (AD). - Supporting Kerberos rollout. What you need to do now If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now. Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers...

OT Security Engineer - Based in South Wales, Hybrid Working, Paying between £600 to £700 Per Day, Outside IR35, 12 Month Contract, To Start ASAP Your new company You will be working with a leading organisation that is based in South Wales. Your new role We're looking for a hands-on OT Security Engineer to play a key role in strengthening and evolving operational technology security across complex, business-critical environments. This contract focuses on designing, implementing and maturing OT security tooling, initially leading the deployment of EDR, ITDR, NDR and ICS monitoring solutions into OT networks, alongside the rollout of hardened security baselines. You'll work closely with SOC, security architecture and incident response teams to integrate solutions into a centralised SIEM/SOC capability and fine-tune detection and response. This is a highly technical, electrofocusing role offering real ownership, autonomy and impact. Key Responsibilities Lead the...

JOB DETAILS - £500- £550 PER DAY - OUTSIDE IR35 - 12-MONTH CONTRACT - REMOTE ROLE WITH OCCASIONAL ON-SITE IN SOUTH WALES SKILLS - Experience working on SCADA projects. - Strong skills in Linux and Windows. - Knowledge of different encryption methods. - Understanding of Kerberos. - Prior experience working in Active Directory (AD) projects. RESPONSIBILITIES - Support SCADA upgrade programme and delivery of application upgrades across SCADA install base. - Managing enhanced privileged access management to SCADA. - Knowledge of onboarding legacy systems into Active Directory (AD). - Supporting Kerberos rollout. What you need to do now If you 're interested in this role, click 'apply now ' to forward an up-to-date copy of your CV, or call us now. If this job isn 't quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career. Hays Specialist Recruitment Limited acts as an...

OT Security Engineer - Based in South Wales, Hybrid Working, Paying between £600 to £700 Per Day, Outside IR35, 12 Month Contract, To Start ASAP Your new company You will be working with a leading organisation that is based in South Wales. Your new role We 're looking for a hands-on OT Security Engineer to play a key role in strengthening and evolving operational technology security across complex, business-critical environments. This contract focuses on designing, implementing and maturing OT security tooling, initially leading the deployment of EDR, ITDR, NDR and ICS monitoring solutions into OT networks, alongside the rollout of hardened security baselines. You 'll work closely with SOC, security architecture and incident response teams to integrate solutions into a centralised SIEM/SOC capability and fine-tune detection and response. This is a highly technical, electrofocusing role offering real ownership, autonomy and impact. Key...

Application Integration Engineer Rate: £600 per day Outside IR35 Duration: 12 Months Location: Remote with occasional travel to the client site in Wales as/when required Start: June 2026 Role: Overview: We are seeking a hands-on Application Integration Engineer to support a wide range of initiatives aimed at improving the security posture of an Operational Technology (OT) environment. This role will play a key part in application migration activities, a broader SCADA uplift programme, and the implementation of privileged access management solutions. The position requires a proactive and technically strong individual who can operate independently while collaborating effectively with technical teams, suppliers, and senior stakeholders to ensure successful delivery. This role is hands-on and requires strong technical skills. Essential Skills & Experience required: As the Applications Integration Engineer you will possess experience working in environments that use...

Security Engineer (Operational Technology) Duration: 12 Months Location: South Wales & remote (Hybrid/Field-Based) Rate: £800 per day (negotiable) IR35 Status: Outside Start: ASAP Overview An experienced Security Engineer (Operational Technology) is required to support the deployment and optimisation of security technologies across the clients large-scale Operational Technology (OT) environment. This is a hands-on role focused on implementing and maturing a suite of security tooling, enhancing detection capabilities, and strengthening overall cyber resilience. You will work closely with internal security teams and stakeholders to ensure successful integration and ongoing improvement of security platforms. This role will involve regular travel to sites across Wales (up to 3 days per week when required), with remote working available when onsite presence is not needed. Essential Skills & Experience required: As the Security Engineer (Operational Technology) you...

We are seeking a highly skilled Lead Developer to provide hands-on technical leadership across enterprise-scale Azure-based platforms within a secure, highly regulated environment. This role combines deep engineering capability with architectural influence and team leadership. This role involves leading development teams, ensuring adherence to coding standards, and leveraging modern DevOps practices to ensure the delivery of secure, scalable cloud-native systems. The Lead Developer will act as the technical backbone of the project, ensuring that solutions are not only functional but also optimized for long-term stability. Key Responsibilities Lead development of applications using MS Azure services. Oversee source code management within Git. Define and optimise CI/CD pipelines within Azure DevOps. Guide developers in using GitHub Copilot for AI-assisted coding. Champion cloud-native design principles and modern .NET practices. Conduct code reviews and enforce...

Hiring: .NET Technical Lead (Contract | Outside IR35 | SC Cleared) Taunton, UK (2 days/week travel) We’re looking for a hands-on .NET Technical Lead to drive scalable, secure solutions across legacy and cloud-native platforms in a regulated environment. 🔧 Key Skills: • C#, .NET Core / .NET 6+ • Azure architecture (AWS a plus) • DevOps, CI/CD, DORA metrics • APIs, microservices, distributed systems • Database design & optimisation Experience in secure environments and modernising legacy systems is highly valued. Interested? Apply or message me directly. #Hiring #DotNet #Azure #TechnicalLead #ContractJobs #OutsideIR35

We are currently seeking a hands-on .NET Technical Lead for a 3–6 month contract role in the UK. This position requires SC Clearance and involves leading the evolution of secure legacy and cloud-native platforms within a highly regulated environment. Key highlights: Location: UK Onshore (travel 2 days/week) Clearance: SC Cleared Duration: 3–6 months (Outside IR35) Role involves: Designing scalable, resilient cloud architectures on Azure with .NET Hands-on code reviews, CI/CD pipelines, and infrastructure-as-code Driving DevOps maturity aligned to DORA metrics Database optimisation and integration patterns (APIs, microservices) Operating in secure/regulated environments