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For Companies At a Glance
- Tasks: Manage and secure critical infrastructure while supporting a large-scale cyber programme.
- Company: Join a unique nonprofit organisation focused on cyber and infrastructure uplift.
- Benefits: Competitive day rate, hybrid work model, and a chance to make a real impact.
- Other info: Diverse workplace that values your unique background and perspective.
- Why this job: Be part of a major cyber transformation programme with real-world significance.
- Qualifications: Experience in system administration across Windows, Linux, and network environments.
Operational Technology Systems Administrator/Analyst – 12 Months Contract – Day Rate 450 - 485 (Inside IR35) – Hybrid (1 Day a week South Wales)
The Opportunity
Yolk Recruitment Public Sector & Not-for-Profit team has partnered with a very unique nonprofit organisation who are undergoing a significant cyber and infrastructure uplift across their operational technology environment. We're looking for a hands‑on System Administrator with a strong focus on security, working across critical national infrastructure.
What you'll be doing:
- Supporting a large‑scale cyber programme aligned to regulatory standards (E-CAF)
- Managing and securing core infrastructure across:
- Windows & Linux servers
- SQL databases
- Cisco networks
- WAN and data centre environments
What we're looking for:
- Strong system administration experience across Windows, Linux and network environments
- Solid understanding of infrastructure security, patching and hardening
- Experience with Active Directory and identity/access management
- Knowledge of SQL Server and enterprise environments
- Ability to manage multiple priorities in a structured (ITIL‑driven) environment
- Strong problem‑solving skills and a proactive mindset
Nice to have:
- Experience in regulated environments (e.g. NIS-CAF)
- Exposure to OT environments, SCADA, PLCs or telemetry systems
- Utilities or infrastructure sector experience
- Understanding of cyber security tooling (EDR, IDS, backup solutions)
Why this role?
- Work on critical infrastructure with real‑world impact
- Be part of a major cyber transformation programme
- Blend of project work and operational ownership
- Strong long‑term investment in technology and security
Yolk Recruitment is an equal opportunities employer and embraces diversity in our workforce. We employ the best people for the job at hand and actively encourage applications from all qualified candidates, regardless of gender, age, race, religion, sexual orientation, disability, educational background, parental status, gender identity or any other protected characteristic. We champion and celebrate diversity at Yolk allowing our team to bring their whole selves to work.
OT System Administrator in Wales employer: Yolk Recruitment
Contact Detail:
Yolk Recruitment Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land OT System Administrator in Wales
✨Tip Number 1
Network like a pro! Reach out to folks in the industry on LinkedIn or at local meetups. You never know who might have the inside scoop on job openings or can put in a good word for you.
✨Tip Number 2
Show off your skills! If you’ve got experience with Windows, Linux, or SQL databases, make sure to highlight that in conversations. Share specific examples of how you've tackled challenges in those areas.
✨Tip Number 3
Prepare for interviews by brushing up on your knowledge of infrastructure security and patching best practices. Be ready to discuss how you’d handle real-world scenarios related to cyber security.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who are proactive about their job search.
We think you need these skills to ace OT System Administrator in Wales
Some tips for your application 🫡
Tailor Your CV: Make sure your CV speaks directly to the job description. Highlight your experience with Windows, Linux, and network environments, as well as any relevant security practices you've implemented. We want to see how your skills align with what we're looking for!
Showcase Your Problem-Solving Skills: In your application, give examples of how you've tackled challenges in system administration. We love a proactive mindset, so share specific instances where you’ve resolved incidents or improved service continuity. It’ll help us see your potential!
Highlight Relevant Experience: If you've worked in regulated environments or have experience with cyber security tooling, make sure to mention it! This role is all about supporting critical infrastructure, so any related experience will definitely catch our eye.
Apply Through Our Website: We encourage you to apply through our website for a smoother process. It helps us keep track of applications and ensures you don’t miss out on any important updates. Plus, we love seeing applications come in directly from our site!
How to prepare for a job interview at Yolk Recruitment
✨Know Your Tech Inside Out
Make sure you brush up on your knowledge of Windows and Linux servers, SQL databases, and Cisco networks. Be ready to discuss specific experiences where you've managed or secured these systems, as this will show your hands-on expertise.
✨Understand Cyber Security Fundamentals
Since the role focuses heavily on security, be prepared to talk about patching, vulnerability management, and system hardening best practices. Familiarise yourself with E-CAF standards and any relevant cyber security tools like EDR and IDS, as this will demonstrate your commitment to maintaining a secure environment.
✨Showcase Problem-Solving Skills
Prepare examples of how you've tackled complex issues in previous roles. Use the STAR method (Situation, Task, Action, Result) to structure your answers, highlighting your proactive mindset and ability to manage multiple priorities effectively.
✨Engage with the Team's Mission
Research the nonprofit organisation and understand their mission and values. Be ready to express why you're passionate about contributing to critical infrastructure and how your skills align with their goals. This will help you connect on a personal level during the interview.