At a Glance
- Tasks: Protect and enhance complex Operational Technology environments through hands-on security engineering.
- Company: Join a leading firm focused on critical infrastructure security.
- Benefits: Competitive pay, flexible work arrangements, and opportunities for professional growth.
- Other info: Dynamic role with a focus on continuous improvement and collaboration.
- Why this job: Make a real difference in securing vital systems and technologies.
- Qualifications: Experience in OT security and strong understanding of industrial control systems required.
Rate: £500 – £550 Inside IR35
Duration: 6 months
Location: South West (Bristol) – 2 days per week onsite
The Role: We’re hiring an experienced Security OT Engineer to support the protection and evolution of complex Operational Technology (OT) and industrial control system environments. This role sits within a Security Operations function but is heavily engineering-focused, combining hands-on OT security tooling, detection engineering, and incident response to strengthen resilience across critical infrastructure.
Key Responsibilities:
- Act as the OT security engineering SME, supporting both operational and project based activities
- Engineer, configure and optimise OT security platforms (e.g. OT NDR tools such as Claroty or equivalent)
- Develop and refine detection rules, alerting logic and monitoring coverage across OT and IT/OT convergence points
- Lead technical investigations and incident response for OT-related cyber events
- Analyse industrial network traffic to identify anomalies, threats and protocol misuse
- Integrate OT telemetry into SIEM and EDR platforms to enhance visibility and correlation
- Support secure by design initiatives for new OT systems, including segmentation and access control validation
- Assess vulnerabilities in OT systems and implement practical, risk-based remediation strategies
- Drive continuous improvement in OT security posture, tooling effectiveness and detection capability
- Maintain and enhance OT security documentation, playbooks and engineering standards
Experience Required:
- Proven experience in a Security OT Engineer / OT Cyber Security role
- Strong understanding of industrial control systems (ICS) – including SCADA, PLCs, DCS
- Hands-on experience with OT security tools (e.g. Claroty, Nozomi, Dragos or similar NDR platforms)
- Solid knowledge of industrial protocols (e.g. Modbus, DNP3, OPC, Profinet)
- Experience with SIEM, EDR and network traffic analysis (e.g. Wireshark)
- Background in incident response, threat detection and security monitoring within OT or converged environments
- Understanding of network segmentation, secure remote access and OT architecture design
- Familiarity with frameworks such as ISA/IEC 62443 and MITRE ATT&CK for ICS
Desirable:
- Certifications such as GICSP, ISA/IEC 62443, Security+, or CEH
- Experience working in critical infrastructure or regulated environments
- Exposure to threat hunting and purple team activities within OT environments
Key Skills & Attributes:
- Strong engineering mindset with a focus on building and improving security capability
- Ability to balance security requirements with operational safety and uptime
- Analytical, detail-oriented and comfortable working with complex OT environments
- Confident communicator, able to engage across security, IT and engineering teams
- Proactive and solution-driven with a focus on continuous improvement
Security Engineer Network in Bristol employer: Sanderson
Join a forward-thinking company in Bristol that prioritises employee growth and innovation within the field of Operational Technology security. With a collaborative work culture that values hands-on experience and continuous improvement, you will have the opportunity to enhance your skills while contributing to the protection of critical infrastructure. Enjoy the flexibility of a hybrid working model, competitive rates, and the chance to work alongside industry experts in a dynamic environment.
StudySmarter Expert Advice🤫
We think this is how you could land Security Engineer Network in Bristol
✨Tip Number 1
Network, network, network! Get out there and connect with professionals in the OT security space. Attend industry meetups, webinars, or even local tech events. You never know who might have a lead on your dream job!
✨Tip Number 2
Show off your skills! Create a portfolio or GitHub repository showcasing your projects related to OT security. This gives potential employers a tangible look at what you can do, especially with tools like Claroty or Nozomi.
✨Tip Number 3
Don’t just apply for jobs; tailor your approach! When reaching out to companies, mention specific projects or challenges they face that you can help with. This shows you’ve done your homework and are genuinely interested.
✨Tip Number 4
Use our website to apply! We’ve got loads of resources and job listings that can help you land that Security OT Engineer role. Plus, applying directly through us means you’ll be in the loop for any updates or tips we share!
We think you need these skills to ace Security Engineer Network in Bristol
Some tips for your application 🫡
Tailor Your CV:Make sure your CV highlights your experience in Security OT Engineering. Use keywords from the job description to show that you’re a perfect fit for the role. 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! Share your passion for OT security and how your background makes you the ideal candidate. Don’t forget to mention specific tools and experiences that relate to the role – we love details!
Showcase Your Technical Skills:In your application, be sure to highlight your hands-on experience with OT security tools and protocols. We’re keen on seeing your technical expertise, so don’t hold back on sharing relevant projects or achievements!
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’re considered for the role. Plus, it’s super easy – just follow the prompts and you’re good to go!
How to prepare for a job interview at Sanderson
✨Know Your OT Security Tools
Make sure you’re well-versed in the specific OT security tools mentioned in the job description, like Claroty or Nozomi. Be ready to discuss your hands-on experience with these tools and how you've used them to enhance security in previous roles.
✨Demonstrate Your Engineering Mindset
This role requires a strong engineering focus, so be prepared to showcase your problem-solving skills. Think of examples where you've engineered solutions to improve security capabilities or responded to incidents effectively.
✨Familiarise Yourself with Industrial Protocols
Brush up on your knowledge of industrial protocols such as Modbus, DNP3, and OPC. You might be asked to explain how these protocols work and how they can be secured, so having practical examples will help you stand out.
✨Communicate Confidently
As a Security OT Engineer, you'll need to engage with various teams. Practice articulating complex technical concepts in a clear and concise manner. This will demonstrate your ability to bridge the gap between security, IT, and engineering teams.
