Join to apply for the Senior OT Cyber Security Engineer role at Bilfinger UK
Location: Chesterfield
Bilfinger UK is a leading engineering and maintenance provider across the chemical, petrochemical, nuclear, oil & gas, pharmaceuticals & biopharma, power & energy, utilities, renewables and food & beverage markets. We enhance the efficiency of assets, ensuring a high level of availability and reducing maintenance costs.
Role
As part of our continued growth in OT Cyber Security, we are looking for an experienced, committed and enthusiastic OT Cyber Security Engineer to join our Automation team. The OT Cyber Security Engineer will:
* Lead OT cyber security project lifecycle activities to deliver secure by design Industrial Automation and Control Systems.
* Be responsible for delivering OT cyber security consultancy services.
* Manage continuous improvement of Bilfinger UK’s OT Cyber Security Management System (CSMS).
Key Activities
* Lead OT cyber security project lifecycle activities to deliver secure by design IACS:
o Facilitate and conduct ISA-62443-3-2 based cyber security risk assessments.
o Create defence‑in‑depth, segmented system architectures.
o Develop secure by design IACS to meet client requirements.
o Implement OT cyber security controls including hardening of BIOS/UEFI, virtual environments and operating systems.
o Network security through segmentation, managed switches, firewalls and remote access solutions.
o Deploy cyber security applications such as Host IDS, EDR, Network IDS, monitoring and SIEM.
* Support Project Managers with planning and execution of OT cyber security aspects to meet time, cost and quality targets.
* Conduct OT cyber security gap assessments against frameworks such as NCSC CAF and ISA/IEC 62443.
* Carry out site and desktop vulnerability assessments for brown‑field IACS.
* Advise clients on developing CSMS artefacts—policies, procedures, guidelines, specifications.
* Supervise and audit projects to ensure policies and specifications are followed.
* Promote security hygiene, knowledge sharing, training and internal best practices.
* Represent Bilfinger UK at industry OT cyber security groups and events.
* Mentor junior engineers, support business development and proposals, and build relationships with OEM/OT cyber security teams.
* Provide health and safety leadership by example.
Skills & Experience
* At least 5 years practical engineering experience in OT cyber security for PLC, DCS, RTU, SCADA and HMI systems.
* Experience designing, specifying, implementing, testing and commissioning security solutions and controls.
* Hardening of BIOS/UEFI, OS, network segmentation, firewalling, IDS/EDR, SIEM implementation.
* Practitioner of ISA/IEC 62443 standards (particularly sections 2.1, 2.4, 3.2, 3.3).
* Experience in System Integrator, Operator of Essential Services (OES) or Critical National Infrastructure (CNI) organisations.
* Technical knowledge of OEMs such as AVEVA, Rockwell Automation, Siemens, Schneider.
* Knowledge of industrial networking protocols: CIP, DNP3, Modbus, PROFINET, IEC 61850, PRP, REP.
* Experience supporting continuous improvement of a Quality Management System (QMS).
Qualifications
* Degree or HND/HNC in Electronic/Electrical Engineering, Computer Science or related discipline.
* Professionally registered engineer or working towards registration.
* Relevant OT cyber security certifications such as ISA/IEC 62443 Cyber Security Expert or GIAC GISCP.
If you wish to speak to a member of the recruitment team, please contact 01224 246246.
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