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- Tasks: Support and enhance security for critical Operational Technology environments.
- Company: Join a leading organisation focused on safeguarding vital infrastructure.
- Benefits: Competitive hourly rate, flexible work schedule, and opportunities for professional growth.
- Other info: Work in a dynamic environment with a focus on continuous improvement.
- Why this job: Make a real difference in protecting essential services while developing your skills.
- Qualifications: Experience in OT security and knowledge of industry standards required.
Location: Culham, Oxfordshire (2 days/week on-site)
Contract: Until 18/12/2026
IR35: In Scope
Rate: £50/hr Umbrella
Clearance: Active SC or lapsed within 12 months
Role Overview
We are seeking an experienced OT Cyber Security Analyst to support the security, monitoring, and continuous improvement of Operational Technology environments within a critical infrastructure setting. This role combines hands-on OT security engineering with governance and risk responsibilities, ensuring OT systems are protected, monitored, and aligned with industry standards and frameworks. You will work closely with OT engineers, security teams, and third-party providers to implement and maintain effective OT security controls.
Key Responsibilities
- Implement OT security controls (segmentation, secure remote access, monitoring tools)
- Integrate OT environments into SIEM/SOC platforms and tune detections
- Support OT asset discovery, inventory, and security assessments
- Identify vulnerabilities and support remediation planning
- Assist with OT incident response (log collection, triage, SOC coordination)
- Work with engineers to ensure secure system changes with minimal disruption
- Track OT security maturity, control coverage, and reporting
- Contribute to OT security policies, standards, and continuous improvement
Essential Requirements
- Experience in oil & gas, rail, chemical, nuclear, or similar critical infrastructure environments
- Strong OT/ICS security background
- Experience implementing OT security controls and strategies
- Knowledge of OT networks, segmentation, and industrial protocols
- SIEM/SOC integration experience in OT environments
- Strong understanding of:
- IEC 62443
- NIST Cybersecurity Framework
- ISO 27001
- UK CAF framework
Desirable
- OT asset discovery / monitoring tooling experience
- Exposure to UK critical infrastructure regulation (e.g. NIS, CAF)
- ITSM and service delivery lifecycle understanding
- Hybrid IT/OT environment experience
OT Cyber Security Analyst employer: GTC Recruitment
Contact Detail:
GTC Recruitment Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land OT Cyber Security Analyst
✨Network Like a Pro
Get out there and connect with folks in the OT Cyber Security space! Attend industry events, join relevant online forums, and don’t be shy about reaching out on LinkedIn. We all know that sometimes it’s not just what you know, but who you know!
✨Show Off Your Skills
When you get the chance to chat with potential employers, make sure to highlight your hands-on experience with OT security controls and incident response. We want to see how you can bring value to their team, so share specific examples of your past work!
✨Tailor Your Approach
Before any interview, do your homework on the company and its OT environment. We recommend aligning your skills with their needs, especially around frameworks like IEC 62443 or NIST. This shows you’re not just another candidate; you’re the right fit for them!
✨Apply Through Us!
Don’t forget to check out our website for the latest job openings. Applying through us gives you a better chance to stand out, and we’re here to support you every step of the way. Let’s land that OT Cyber Security Analyst role together!
We think you need these skills to ace OT Cyber Security Analyst
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the OT Cyber Security Analyst role. Highlight your experience in critical infrastructure environments and any relevant security controls you've implemented. We want to see how your skills align with what we're looking for!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're passionate about OT security and how your background makes you a perfect fit for our team. Keep it concise but impactful – we love a good story!
Showcase Relevant Experience: When filling out your application, be sure to showcase your hands-on experience with OT security engineering and governance. Mention specific projects or achievements that demonstrate your expertise in implementing security controls and risk assessments.
Apply Through Our Website: We encourage you to apply through our website for the best chance of getting noticed. It’s super easy, and you’ll be able to keep track of your application status. Plus, we love seeing applications come directly from our site!
How to prepare for a job interview at GTC Recruitment
✨Know Your OT Security Fundamentals
Make sure you brush up on your knowledge of OT security frameworks like IEC 62443 and NIST. Be ready to discuss how you've implemented security controls in past roles, especially in critical infrastructure settings like oil & gas or rail.
✨Showcase Your Hands-On Experience
Prepare to share specific examples of your hands-on experience with OT security engineering. Talk about the tools you've used for monitoring and incident response, and how you've worked with engineers to ensure secure system changes.
✨Understand the Importance of Communication
Since this role involves working closely with various teams, highlight your communication skills. Be prepared to discuss how you've effectively collaborated with OT engineers and third-party providers to implement security measures.
✨Demonstrate Continuous Improvement Mindset
Discuss your approach to tracking OT security maturity and control coverage. Share any experiences where you've contributed to policy development or continuous improvement initiatives, showing that you're proactive about enhancing security practices.