1 to 25 of 28 Operational Technology Jobs in the South East

Operational Technology Systems Lead

Hiring Organisation
Stefanini UK Ltd
Location
Woking, Surrey, South East, United Kingdom
Employment Type
Temporary
Salary
£45,000
months fixed term role. The System Lead is responsible for the full lifecycle management of critical Operational Technology (OT) systems within a regulated medical manufacturing environment. This role ensures systems are reliable, compliant, and aligned with business and regulatory requirements, while supporting manufacturing operations such as BMS, SCADA … activities. Requirements Education in a scientific discipline; computer science or engineering; At least 3 years' experience in similar role; Experience working in or supporting Operational Technology environments, ideally within manufacturing; Strong analytical and problem-solving skills, with the ability to diagnose and resolve system issues; Effective communication ...

Technology Business Partner - Global Business Services (GBS)

Hiring Organisation
Jobleads-UK
Location
Reading, England, United Kingdom
Because we strive to put people first. Culture, our way. Technology at Primark What’s a career at Primark all about? The positive impact you’re making, the experiences you’re having and the people you’re with. You’re our inspiration. Embrace what sets you apart, own your … career and develop in ways you never expected. Leave your mark. And do it your way. Our technology team is actively shaping the next wave of advancements. Engaged with innovative initiatives, your expertise will propel our business into the future. Collaborating with a creative team of tech enthusiasts ...

Cyber Software Engineer - Security Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £80,000 per annum
join a team delivering high-assurance cyber capabilities into UK defence and national security environments. This role is focused on operational technology (OT) cyber projects , working close to real systems and real users. You'll be part of a highly cleared engineering team developing secure, robust software where … Golang and/or Rust Cyber security qualifications such as CEH, OSCP or similar Vulnerability research and/or reverse engineering experience Exposure to OT environments , embedded systems or low-level development Experience working with MOD or national security customers Why this role Work on genuinely operational cyber projects ...

OT Cyber Security Analyst

Hiring Organisation
GTC Recruitment
Location
Culham, Oxfordshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 50 Hourly
IR35: In Scope Rate: 50/hr Umbrella Clearance: Active SC or lapsed within 12 months Role Overview We are seeking an experienced OT Cyber Security Analyst to support the security, monitoring, and continuous improvement of Operational Technology environments within a critical infrastructure setting. This role combines hands … OT security engineering with governance and risk responsibilities , ensuring OT systems are protected, monitored, and aligned with industry standards and frameworks. You will work closely with OT engineers, security teams, and third-party providers to implement and maintain effective OT security controls. Key Responsibilities Implement OT security controls (segmentation, secure ...

OT Cyber Security Analyst

Hiring Organisation
NonStop Consulting
Location
Southmoor, Oxfordshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 50 Hourly
Role: OT Cyber Security Analyst Location: Culham - 2 days per week on site (hybrid) Contract length: Until 18/12/2026 Day rate: Approx. 50/hour (Umbrella) or 36.43/hour (PAYE) IR35: In scope This role sits at the heart of operational technology security within … critical infrastructure, giving you the chance to shape and mature OT security controls and governance in a highly visible environment. What you will be doing Implement, operate, and continuously improve OT security controls and monitoring capabilities across complex OT environments. Apply and embed an OT Security Strategy, policies, and standards ...

Solutions Architect - Manufacturing / Divestment

Hiring Organisation
Harvey Nash
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 per annum
Solutions Architect for a leading client based in London, who has experience within the Manufacturing industry, to define and assure end-to-end technology solutions that align with business goals. You'll act as the bridge between business stakeholders and delivery teams, ensuring solutions are scalable, secure, operable … risk, constraints and architectural trade-offs. Nice to have Experience with LeanIX (or similar EA repository tooling). Exposure to operational technology (OT) and shop-floor/plant integration patterns. Hands-on delivery experience in Agile/DevOps environments. What you'll do Partner with business ...

Cybersecruity Solution Architect

Hiring Organisation
DCV Technologies Limited
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £600 to £650 per day
Cybersecurity Solution Architect OT/ICS/Vulnerability Management We are seeking an experienced Cybersecurity Solution Architect to design and deliver enterprise security solutions across IT and OT (Operational Technology) environments. This is a hands-on role focused on vulnerability management, risk mitigation, and secure architecture design within … large-scale, complex environments. Key Responsibilities: Design end-to-end cybersecurity architecture across IT and OT/ICS environments Lead vulnerability management lifecycle (identification, assessment, remediation) Implement risk-based security solutions aligned to enterprise standards Work closely with infrastructure, application and OT teams to embed security controls Support threat modelling ...

Cyber Security Analyst

Hiring Organisation
Circle Recruitment
Location
Oxfordshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£45.00 - £50.00 per hour
service of the role it will now be based on an Umbrella solution. Clearance: SC Role Profile We are seeking an experienced OT Cyber Security Analyst to support and strengthen cyber security across industrial and operational technology environments. This role focuses on securing critical systems through the deployment … management, and enhancement of OT security controls, while helping drive continuous improvements in monitoring, governance, and risk management practices. The successful candidate will play a key role in delivering practical security solutions across ICS and OT networks, ensuring systems remain resilient against evolving cyber threats. You will work closely with ...

IAM Architect

Hiring Organisation
Middle Recruitment Limited
Location
Basingstoke, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£90,000
rollout, domain consolidation, authentication modernisation) Evaluate and implement modern authentication methods such as FIDO2 Support identity integration across manufacturing and operational technology (OT) environments Lead identity infrastructure initiatives end-to-end, owning delivery from initial concept and design through to implementation and operational handover Collaborate on identity … automation Contribute to strategic and roadmap decisions for the enterprise IAM estate Mentor junior engineers and shape identity engineering standards Manage stakeholders across IT, OT, Senior Leadership, Information Security, Cyber, Cloud Infrastructure, and third-party vendors The Ideal Candidate Must Have: Extensive enterprise-level experience across Microsoft Entra ...

Cybersecruity Solution Architect

Hiring Organisation
DCV Technologies Limited
Location
Reading, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 600 - 650 Daily
Cybersecurity Solution Architect OT/ICS/Vulnerability Management We are seeking an experienced Cybersecurity Solution Architect to design and deliver enterprise security solutions across IT and OT (Operational Technology) environments. This is a hands-on role focused on vulnerability management, risk mitigation, and secure architecture design within ...

Technical Author

Hiring Organisation
VIQU IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £700 per day
Technical Author | 6 – 12 Months | Remote | Operational Technology An energy sector client is seeking a Technical Author to convert OT cyber security policies into clear, practical procedures. The ideal candidate will have strong knowledge of NIS regulations, along with a solid understanding of OT security and industrial control … systems. Key Responsibilities of the Technical Author: Translate OT cyber security policies, standards, and technical requirements into clear, step-by-step procedures by technology type. Develop and maintain OT cyber security procedures aligned to NIS requirements. Document how security controls are implemented across operational and industrial environments. Ensure ...

Head of Cyber Defend / CERT

Hiring Organisation
Prime Personnel
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
technologies. Extensive experience in cyber security leadership and management. Proven experience in leading multiple cyber security teams and programs. Ideally familiar with CNI and OT technology, including SCADA, ICS, and PLC systems. ...

Senior Support Engineer

Hiring Organisation
IMT Resourcing Solutions
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £45,000 per annum
+ bonus Benefits: Share plan, private healthcare, enhanced annual leave, pension, life assurance, mental health support, gym discounts and more Our client, a leading technology and infrastructure organisation, is hiring a Senior Support Engineer to support and maintain operational technology across a London-based client estate. This … support across modern workplace technologies, endpoint management, identity platforms, and security tooling. What you’ll do Provide 2nd/3rd line support across enterprise technology platforms Manage and resolve incidents, service requests, and escalations within agreed SLAs Administer macOS, Google Workspace, Okta, Jamf and endpoint security platforms Support onboarding ...

Product Cyber Security Specialist

Hiring Organisation
Searchability NS&D
Location
New Malden, Surrey, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum
experience, plus benefits Hybrid role with three days onsite per week SC Clearance required About the Client Our client is a UK-based technology organisation delivering complex, high-integrity systems within a regulated and safety-critical environment. Cyber security sits at the heart of their engineering capability, supporting nationally … management and vulnerability management Experience with threat modelling frameworks such as MITRE ATT and CK, DEF3ND, or EMB3D Awareness of industrial control systems or operational technology environments Working knowledge of the NIST Cyber Security Framework To Be Considered Please either apply through this advert or email me directly ...

Senior Systems Engineer

Hiring Organisation
Copello
Location
New Malden, Surrey, United Kingdom
Employment Type
Permanent
Salary
GBP 62,000 - 72,000 Annual
service support. You will contribute to high-profile naval and multi-domain defence programmes, working on command and control technologies that support operational capability across maritime environments. The role offers the chance to work within a multidisciplinary engineering environment where technical quality, collaboration and innovation are highly valued. … aerospace or other highly regulated industries. Knowledge of systems requirements, design, integration, verification and acceptance activities. Exposure to control systems, PLC/SCADA or operational technology environments. Experience with Model-Based Engineering approaches and tools such as Enterprise Architect. Experience using requirements management tools such as IBM Engineering ...

MES Implementation Engineer / Consultant

Hiring Organisation
Exalto Consulting
Location
Slough, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£70000 - £85000/annum
customer discussions Recognised by peers as a natural leader Technical Background Solid understanding of manufacturing operations and execution systems Experience working across IT/OT landscapes and system integrations Able to challenge designs and guide delivery decisions Desirable Experience defining or improving implementation frameworks or delivery standards Mentoring or supporting ...

OT Cyber Security Engineer

Hiring Organisation
Morson Edge
Location
Basingstoke, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
OT Cyber Security Engineer – Hybrid working Basingstoke We are looking for an OT Cyber Security Engineer to join a growing specialist security capability within a global engineering and infrastructure-focused organisation. This is an opportunity to join a team that is passionate about real-world security delivery, not just compliance. … role for you. What makes this opportunity different? This role is ideal for someone who wants to: Work in a specialist, technical OT security environment Be part of a growing capability where your input shapes delivery Work across advisory, design, and technical implementation Help organisations mature their OT security posture ...

Cyber Security Assurance Specialist

Hiring Organisation
Indotronix Avani UK Ltd
Location
Abingdon, Oxfordshire, South East, United Kingdom
Employment Type
Contract
responsibilities. Focus areas include security assurance, risk management, architecture review, vulnerability management, cyber defence, and embedding risk-aligned security controls across IT and OT systems. You will work across hybrid environments (cloud, infrastructure, applications, OT), support audits and compliance (Gov Assure, CAF, ISO 27001, Cyber Essentials), and drive secure … Assurance certifications (CCP, SIRA) Professional security certifications (CISSP, SSCP, CISM, CRISC, CCSP, SABSA, GIAC) Experience in regulated/government environments, research, energy, national infrastructure OT/ICS/SCADA security knowledge ...

Cyber Security Delivery Manager

Hiring Organisation
Oscar Associates (UK) Limited
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
bids, contributing to go-to-market strategy and service development Supporting and developing junior and mid-level consultants through active mentoring Putting sensible operational processes in place and keeping day-to-day delivery on track Contributing to hiring decisions as the team grows What You'll Need: Significant experience … operating with a high degree of autonomy Desired but not essential: Experience across multiple disciplines such as GRC, penetration testing, SOC, cloud security, or OT security Familiarity with frameworks including NIST, ISO 27001, CAF, or Cyber Essentials Experience working with government, defence, or critical national infrastructure clients Additional certifications such ...

Senior Cyber Security Engineer

Hiring Organisation
Jobleads-UK
Location
Reading, England, United Kingdom
Senior Cyber Security Engineer – Thames Water Role Overview This hands‐on engineering role focuses on delivering Thames Water’s cyber strategy across IT and OT environments. You will design, implement and maintain security capabilities that enable early threat detection, rapid response and sustained cyber risk reduction. You must obtain Counter … best practices, and delivery models. Qualifications Experience in Security Engineering, focusing on detection & response engineering in an enterprise environment. Strong understanding of IT and OT systems and infrastructure. Experience identifying and remediating cyber risks in evolving digital environments. Familiarity with SIEM, EDR, email security and identity and access management technologies. ...

Technical Business Analyst

Hiring Organisation
Fyre Global Ltd
Location
Reading, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£60000 - £65000/annum
working with an engineering-led business building software and hardware-integrated platforms across areas like airspace monitoring, security systems, and real-time operational technology. They’re looking for a Technical Business Analyst who is comfortable sitting between engineering teams, operational users, and project delivery. What … doing: Gathering and refining requirements with technical and operational stakeholders Writing structured user stories and acceptance criteria in Azure DevOps Supporting Agile delivery across sprint planning, backlog refinement, and demos Producing workflows, user journeys, and wireframes Working closely with Architects, developers, and testers on complex real-world systems Supporting ...

OT Security Engineer

Hiring Organisation
Morson Edge
Location
Buckinghamshire, South East, United Kingdom
Employment Type
Permanent
Salary
£75,000
OT Security Engineer (Industrial Cyber) Warrington | Permanent | 3–5 days onsite Salary: 65K - 75K Secure systems that actually matter. This role sits on a major, safety-critical industrial programme where downtime isn't tolerated and cyber security has real-world consequences. You'll be hands-on designing, building, and proving … secure OT environments, not just writing policies about them. What you'll do Design and implement secure OT/ICS networks Harden PLCs, SCADA, and HMI systems Deploy segmentation, firewalls & intrusion detection Lead testing, integration & FAT Own delivery from design through to commissioning Why it's worth a look ...

Head of Enterprise Technical Services

Hiring Organisation
Lorien
Location
Reading, Berkshire, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
provide critical leadership during a period of transition. This is a senior, Director-level role with end-to-end accountability for enterprise IT and OT services that underpin essential infrastructure. You'll play a key role in ensuring operational stability, resilience, and service continuity across a complex technology … operation and resilience of enterprise technology services, including: Cloud platforms Infrastructure & datacentres Networks & connectivity End User Services IT/OT integration Act as senior operational authority during major incidents Lead and manage senior Heads of Function across Cloud, Platforms, and End User Services Oversee a multi-supplier/ ...

OT Cyber Security Engineer

Hiring Organisation
Morson Edge
Location
Basingstoke, Hampshire, United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 Annual
OT Cyber Security Engineer - Hybrid working Basingstoke We are looking for an OT Cyber Security Engineer to join a growing specialist security capability within a global engineering and infrastructure-focused organisation. This is an opportunity to join a team that is passionate about real-world security delivery, not just compliance ...

OT Security Engineer

Hiring Organisation
Morson Edge
Location
Buckinghamshire, United Kingdom
Employment Type
Permanent
Salary
GBP 75,000 Annual
OT Security Engineer (Industrial Cyber) Warrington Permanent 3-5 days onsite Salary: 65K - 75K Secure systems that actually matter. This role sits on a major, safety-critical industrial programme where downtime isn't tolerated and cyber security has real-world consequences click apply for full job details ...