Lead Security Engineer in London
Lead Security Engineer

Lead Security Engineer in London

London Full-Time 48000 - 72000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Lead OT cybersecurity initiatives and protect critical infrastructure systems.
  • Company: Dynamic company in the oil and gas sector with a focus on innovation.
  • Benefits: Competitive pay based on skills, hands-on leadership role, and professional growth.
  • Why this job: Make a real impact in safeguarding vital systems and driving cybersecurity excellence.
  • Qualifications: Experience in OT cybersecurity and strong knowledge of industrial control systems.
  • Other info: Collaborative environment with opportunities to work with multidisciplinary teams.

The predicted salary is between 48000 - 72000 £ per year.

We are looking for an experienced OT Cybersecurity Lead to drive critical initiatives within a dynamic Operational Technology environment. This hands-on leadership role will ensure the protection of critical infrastructure systems such as SCADA, DCS, PLCs, and other industrial automation & control systems (IACS), while embedding compliance and governance across the organisation.

Key Responsibilities

  • Lead the design, implementation, and upkeep of the OT Cybersecurity Management System in line with OG86 and IEC 62443 standards.
  • Conduct risk assessments and threat modelling for OT environments.
  • Manage NIS compliance and produce annual reports for OT networks.
  • Collaborate with OT engineers, IT, and safety teams to ensure secure integration of OT systems.
  • Oversee incident response and recovery procedures for OT cyber events reported by a 24/7 OT SOC.
  • Develop and deliver OT cybersecurity awareness and training programs.
  • Manage third-party cybersecurity providers delivering proactive monitoring, detection, and response.
  • Monitor and report on OT cybersecurity posture and KPIs to senior leadership.

Experience

  • Significant experience in OT cybersecurity within critical national infrastructure (oil & gas, energy, utilities, or similar).
  • Strong understanding of industrial control systems (ICS) and communication protocols such as Modbus, OPC, and DNP3.
  • Proven experience with OT network architecture, including network segmentation, firewalls, and secure remote access.
  • Strong knowledge of OG86 and IEC 62443 frameworks.
  • Experience with compliance frameworks including COMAH, NIS, and ISO/IEC 62443.
  • Strategic thinking, leadership skills, and ability to work with multidisciplinary teams.

Seniority level: Mid-Senior level

Employment type: Contract

Job function: Information Technology

Industries: Oil and Gas and Energy Technology

Lead Security Engineer in London employer: GCS

GCS is an exceptional employer, offering a dynamic work environment in Cheshire West and Chester where innovation meets critical infrastructure security. Employees benefit from a strong focus on professional development, with opportunities to lead significant cybersecurity initiatives while collaborating with multidisciplinary teams. The company fosters a culture of compliance and governance, ensuring that team members are equipped with the latest knowledge and skills in OT cybersecurity, making it a rewarding place for those looking to make a meaningful impact in the energy sector.
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Contact Detail:

GCS Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Lead Security Engineer in London

✨Tip Number 1

Network, network, network! Get out there and connect with people in the industry. Attend events, join online forums, and don’t be shy about reaching out to professionals on LinkedIn. We all know that sometimes it’s not just what you know, but who you know!

✨Tip Number 2

Prepare for interviews like a pro! Research the company and its culture, and be ready to discuss how your experience aligns with their needs. We recommend practising common interview questions and even doing mock interviews with friends or mentors to boost your confidence.

✨Tip Number 3

Showcase your skills through projects or case studies. If you’ve worked on relevant OT cybersecurity initiatives, create a portfolio that highlights your achievements. We love seeing real-world applications of your expertise, so don’t hold back!

✨Tip Number 4

Apply directly through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows your enthusiasm for the role. We’re always on the lookout for passionate candidates who want to make a difference in the field!

We think you need these skills to ace Lead Security Engineer in London

OT Cybersecurity
Risk Assessment
Threat Modelling
NIS Compliance
SCADA Systems
DCS Systems
PLCs
Industrial Automation
Cybersecurity Management System
OG86 Standards
IEC 62443 Standards
Network Architecture
Network Segmentation
Firewalls
Secure Remote Access

Some tips for your application 🫡

Tailor Your CV: Make sure your CV is tailored to the Lead Security Engineer role. Highlight your experience in OT cybersecurity and any relevant projects you've worked on. 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 cybersecurity and how you can contribute to 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 experience with industrial control systems and compliance frameworks. We’re keen to see how your background fits into our needs, so don’t hold back!

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 get the best experience possible. Plus, it shows you're serious about joining our team!

How to prepare for a job interview at GCS

✨Know Your Standards

Familiarise yourself with OG86 and IEC 62443 standards before the interview. Be ready to discuss how you've applied these frameworks in your previous roles, as this will show your expertise and understanding of the requirements for the Lead Security Engineer position.

✨Showcase Your Experience

Prepare specific examples from your past work that highlight your experience in OT cybersecurity, especially within critical national infrastructure. Discuss your involvement in risk assessments, incident response, and compliance management to demonstrate your hands-on leadership skills.

✨Collaborative Mindset

Emphasise your ability to work with multidisciplinary teams. Think of instances where you collaborated with OT engineers, IT, or safety teams to secure systems. This will illustrate your strategic thinking and leadership capabilities, which are crucial for this role.

✨Stay Current on Cybersecurity Trends

Research the latest trends and challenges in OT cybersecurity. Being able to discuss current threats and solutions will not only show your passion for the field but also your commitment to staying ahead in a rapidly evolving environment.

Lead Security Engineer in London
GCS
Location: London

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