Senior ICS Cyber Security Engineer

The Senior ICS Cyber Security Engineer plays a key role in leading and delivering complex security projects within the Projects (Cyber & Network) team. The position is responsible for designing, implementing, and commissioning resilient cyber security solutions for industrial control systems, ensuring alignment with customer requirements and industry standards. It focuses on achieving strong project outcomes through collaboration, deep technical expertise, and proactive risk management, while continuously enhancing security practices and project delivery performance.

Our Team Dynamics

Our teams support each other, collaborate, and never stop learning. Everyone brings something unique, and together we push ideas forward to solve real problems. Being part of our team means your work matters - because the progress we make here creates real impact out there.

What's in it for you?

We want you to bring your full self to work-your ideas, your energy, your ambition. You'll have the tools and freedom to grow your skills, shape your path, and take on challenges that matter. Here, your work creates impact you can see and feel, every day.

Your Role and Responsibilities In this role, you'll help run what runs the world, by taking on meaningful work that drives real impact.

• Work model: hybrid from our St Neots location {#LI-hybrid}

• Configuration and commissioning of firewalls, industrial switches, security update services, application whitelisting, secure remote access solutions, SIEM platforms and other security-related hardware and software tailored for operational technology environments.

• Development and implementation of security frameworks within industrial Active Directory (AD) environments, including managing user and device authentication, group policies, and access controls for OT network assets.

• Presenting OT network architecture decisions and associated risk assessments to customers, ensuring clarity on operational impacts and mitigation strategies.

• Conducting thorough evaluations of industrial control systems with a focus on OT network security and creating security concepts that address customer requirements and adhere to industry standards such as IEC62443.

• Providing consultancy on bids and proposals regarding OT network architecture, including segmentation, protocol selection, and integration of security controls within industrial networks.

• Identifying opportunities for improvement in OT network design, configuration and daily operations, and offering practical recommendations for enhancing security and operational resilience.

Do you have experience in Windows?, * Education & Certifications: IT-related degree preferred, ideally with a focus on cybersecurity. Professional certifications such as Microsoft Security, Network Security, or IEC62443 are advantageous.

• Experience: Extensive background in IT, OT, or network operations, with proven experience implementing and managing cybersecurity within industrial control system environments. Prior experience in the Oil & Gas sector is highly desirable.
• Technical Expertise: Skilled in Windows operating systems, networking, and virtualization technologies (ESXi / HyperV).

• Strong understanding of firewalls, Layer 3 switches, control network infrastructure, and secure VPN technologies (IPSec).
• Expertise in network security, switching and routing, and securing Microsoft operating systems and virtualised server infrastructure.

• Security Frameworks & Standards: In-depth knowledge of IEC62443 standards, the Purdue Model architecture, and best practices for securing both IT and OT environments.
• Professional Skills: Demonstrated ability to design, configure, test, and commission secure network systems; effective decision-making, organisation, and time management skills; capable of managing multi-discipline projects and driving continuous cybersecurity improvement initiatives.
• Mobility: Must be able to travel within the UK and overseas as required.

ABB offers a full range of benefits to help you thrive at work and beyond.

• Competitive salary
• 25 days annual leave plus bank holidays
• Competitive contributory pension scheme
• Life assurance
• Flexible benefits scheme (Includes options to buy/sell holidays, health checks, dental, eye care, gym memberships, cycle to work, gadget discounts and more)
• Internal mobility opportunities, mentorships & access to projects globally
• Employee Assistance Programme
• Generous employee referral scheme
• Private medical cover
• Generous bonus scheme

For the 5th consecutive year ABB UK has been recognised as a Top Employer in UK. Being certified as a Top Employer showcases an organisation's dedication to a better world of work and exhibits this through excellent HR policies and people practices.

The Energy Industries Division serves a wide range of industrial sectors, including hydrocarbons, chemicals, pharmaceuticals, power generation and water. With its integrated solutions that automate, digitalize and electrify operations, the Division is committed to supporting traditional industries in their efforts to decarbonize. The Division also supports the development, integration and scaling up of new and renewable energy models. The Division's goal is to help customers adapt and succeed in the rapidly changing global energy transition. Harnessing data, machine learning and artificial intelligence (AI), the Division brings over 50 years of domain expertise delivering solutions designed to improve energy, process and production efficiency, as well as reduce risk, operational cost and capital cost, while minimizing waste for customers, from project start-up and throughout the entire plant lifecycle. Join us. Be part of the team where progress happens, industries transform, and your work shapes the world. Run What Runs the World.