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For Companies At a Glance
- Tasks: Support and enhance security for critical Operational Technology environments.
- Company: Leading organisation in critical infrastructure with a focus on innovation.
- Benefits: Competitive hourly rate, flexible working, and opportunities for professional growth.
- Other info: Work in a dynamic environment with a focus on continuous improvement.
- Why this job: Join a vital sector and make a real difference in cybersecurity.
- Qualifications: Experience in OT security and strong communication skills required.
The predicted salary is between 104000 - 112000 £ per year.
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
Consultant, Security Testing employer: GTC Recruitment
Contact Detail:
GTC Recruitment Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Consultant, Security Testing
✨Network Like a Pro
Get out there and connect with people in the industry! Attend events, webinars, or even local meetups. The more you engage with others, the better your chances of hearing about job openings that might not even be advertised.
✨Show Off Your Skills
When you get the chance to chat with potential employers, don’t hold back! Share specific examples of how you've implemented OT security controls or tackled vulnerabilities in past roles. This is your time to shine and show them what you can bring to the table.
✨Tailor Your Approach
Make sure you tailor your conversations to the specific role you're after. If you're eyeing that Consultant, Security Testing position, highlight your experience with SIEM/SOC integration and your knowledge of frameworks like IEC 62443. It shows you're serious and well-prepared!
✨Apply Through Our Website
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 take that extra step to connect directly with us.
We think you need these skills to ace Consultant, Security Testing
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience in OT Cyber Security and aligns with the key responsibilities mentioned in the job description. We want to see how your skills fit perfectly 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 the ideal candidate. Let us know what excites you about working with us at StudySmarter.
Showcase Relevant Experience: When detailing your past roles, focus on your hands-on experience with OT security controls and any relevant frameworks like IEC 62443 or NIST. We love seeing concrete examples of how you've made an impact in previous positions!
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you don’t miss out on any important updates from our team. We can’t wait to hear from you!
How to prepare for a job interview at GTC Recruitment
✨Know Your OT Security Inside Out
Make sure you brush up on your knowledge of Operational Technology (OT) security principles, especially frameworks like IEC 62443 and NIST. Be ready to discuss how you've implemented security controls in past roles, as this will show your hands-on experience.
✨Showcase Your Communication Skills
Since you'll be working closely with engineers and third-party providers, it's crucial to demonstrate your strong communication skills. Prepare examples of how you've effectively collaborated with different teams to implement security measures or resolve incidents.
✨Familiarise Yourself with Relevant Regulations
Get to grips with UK critical infrastructure regulations such as NIS and CAF. Being able to discuss how these regulations impact OT environments will set you apart and show that you're not just technically savvy but also aware of the broader compliance landscape.
✨Prepare for Scenario-Based Questions
Expect scenario-based questions that assess your problem-solving skills in real-world situations. Think about past experiences where you identified vulnerabilities or managed incident responses, and be ready to explain your thought process and actions taken.