Senior Network & Cyber Security Engineer

About ABB

At ABB, we help industries outrun - leaner and cleaner. Here, progress is an expectation - for you, your team, and the world. As a global market leader, we'll give you what you need to make it happen. It won't always be easy, growing takes grit. But at ABB, you'll never run alone. Run what runs the world.

The Senior Network & 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 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.

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.

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.

• 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 IEC
  62443.
• 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.

• Education &
  
  Certifications:
  
  IT-related degree preferred, ideally with a focus on cybersecurity. Professional certifications such as Microsoft Security, Network Security, or IEC
  62443 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 / Hyper
  
  V).
• 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 IEC
  62443 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.
• Mobili…