Cyber Subject Matter Expert

Belcan, LLC; Cheltenham, Greater London; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A leading engineering consultancy in the UK is seeking a Cyber SME specialized in Operational Technology (OT) to lead delivery and manage a growing team. This hybrid role requires expertise in OT cyber security, with responsibilities including overseeing technical delivery, client engagement, and team management. Candidates should possess a strong background in Software Engineering with relevant security certifications. This position offers the opportunity to significantly contribute to a key growth area within the business.

Qualifications

• Experience in management, design, or support of OT and IoT solutions.
• Strong background in Software or Systems Engineering.
• Hands-on experience with OT/ICS security standards.

Responsibilities

• Lead multiple workstreams for successful delivery.
• Oversee technical delivery of OT Cyber solutions.
• Act as a client-facing Subject Matter Expert (SME).

Skills

OT/ICS security standards understanding

Software Engineering

Technical documentation skills

Linux expertise

Network deployment principles

Education

Technical higher education in a relevant field

Certificates in Industrial Automation or Engineering

Security certifications (CSSA, ISA 62443, etc.)

Job description

Belcan are hiring on a Permanent basis for a Cyber SME specialising in OT - Operational Technology.

Hybrid working from either Cheltenham or our South West London office with client visits as required.

The OT Cyber Security team is a function within the business that services our framework partners, OT delivery, and is a key growth area for the business.

Role & Duties

• Lead and manage multiple workstreams within the team to ensure successful delivery.
• Oversee OT Cyber technical delivery, both directly and through delegated tasks.
• Take full accountability for team deliverables, including quality assurance, approval, and sign‑off.
• Provide line management, technical mentoring, and guidance to the current team of three, with planned expansion in 2026.
• Act as a client‑facing Subject Matter Expert (SME) for existing and prospective clients.
• Collaborate with internal stakeholders, including sales teams, client partners, and global technical delivery teams (Belcan and Cognizant).
• Support business development by contributing technical solutions and proposal content.
• Assist in developing and maintaining internal OT Cyber procedures and processes.

Experience and Qualifications

Roles involving management, design, implementation, maintenance, or support of solutions within IoT and OT/ICS domains.

Strong background in Software Engineering, Systems Engineering, or a related discipline.

Proven understanding and hands‑on experience with OT/ICS security standards and frameworks, such as ISA/IEC 62443, NCSC CAF Framework, NIST CSF, or similar.

Knowledge of technical security solutions used in IoT and OT/ICS systems and networks.

Familiarity with key security concepts in IICS environments, including network segmentation and defence‑in‑depth strategies.

Experience in developing components of Cybersecurity Management System (CSMS) procedures and policies.

Technical proficiency in:

• Linux and Linux‑based systems.
• IP networking and principles of network deployment.

Baseline knowledge across the eight security domains defined by ISC, with demonstrable expertise in at least three and a desire to expand further.

Ability to produce professional documentation, including diagrams, reports, analyses, and methodologies, in English.

Understanding of security‑related operational processes within IoT and OT/ICS environments.

Awareness of technologies, assets, communication protocols, and architectures commonly used in IoT and OT/ICS systems.

Familiarity with functional safety concepts (e.g., Safety Instrumented Systems – SIS).

Key Qualifications

• Completed technical higher education in the field of industrial automation, computer science, electronics or other relevant field.
• Certificates or education related to industrial automation/engineering etc.
• Certificates of security, preferably in the ICs or IoT domain (CSSA, ISA 62443, GICSP-GIAC, SABSA, CISSP, CISM).
• Extensive experience within Control Systems and Operational Technology (preferred).
• Good experience within OT Cyber.

Preferred Experience

• Key sector experience in: Oil & Gas, Utilities or Energy industry, or other Critical National Infrastructure or Operators of Essential Services.

About Us

Belcan Advanced Solutions (BAS) is a specialist technical services provider and engineering consultancy with core services encompassing multi‑disciplinary design engineering, multi‑vendor systems delivery, operational technology (OT) cyber security, and COMAH and technical safety compliance.

Founded in 1958, Belcan has become a global technological leader and established go‑to Engineering Services provider, working within many industries including Aerospace, Defence, Marine, Nuclear, Automotive and Cyber Security with over 10,000 professionals serving hundreds of customers in over 60 locations worldwide.

Belcan was acquired by Cognizant Technology Solutions in 2024.