23 of 23 Contract Operational Technology Jobs in the UK excluding London

/OT Manager - Manufacturing Technology Location: Wrexham, North Wales Contract: Interim Contract Sector: Pharmaceutical Manufacturing Overview We are supporting a global pharmaceutical manufacturing organisation in the search for an experienced IT/OT Manager to lead technology operations across a critical manufacturing site. This is not a traditional … successful candidate will be responsible for ensuring the reliability, security, and continuous improvement of both Information Technology (IT) and Operational Technology (OT) environments that support manufacturing and production operations. Working closely with Site Leadership, Engineering, Quality, Maintenance, and Production teams, you will play a key role ...

OT Cyber Security Analyst Culham, Oxfordshire (2 days onsite per week) £50/hour Umbrella | £36.43/hour PAYE Contract until 18th December 2026 Active SC Clearance Required (or lapsed within last 12 months) A government backed organisation is hiring an OT Cyber Security Analyst with industry experience … Chemical. You must a strong background in SIEM & SOC integration coupled with OT security frameworks IEC 62443, NIST CSF, CAF, ISO 27001 to support the protection and continuous improvement of Operational Technology (OT) environments across critical infrastructure and industrial systems. This is an exciting opportunity to join ...

Security OT Engineer Rate: £500 - £550 Inside IR35 Duration: 6 months Location: South West (Bristol) - 2 days per week onsite The Role: We're hiring an experienced Security OT Engineer to support the protection and evolution of complex Operational Technology (OT) and industrial control system environments. This role … sits within a Security Operations function but is heavily engineering focused, combining hands on OT security tooling, detection engineering and incident response to strengthen resilience across critical infrastructure. Key Responsibilities: Act as the OT security engineering SME, supporting both operational and project based activities Engineer, configure and optimise OT ...

OT SCADA Architect/Senior OT SCADA Engineer 12-Month Contract | Outside IR35 | UK Based | Competitive Day Rate We are seeking an experienced SCADA Architect or Senior SCADA Engineer to support a major energy and utilities programme focused on the modernisation and optimisation of operational technology, network management … time telemetry, monitoring and control capabilities across operational networks. Support Distribution Management Systems (DMS) and Network Management Systems (NMS) initiatives. Define and implement OT communications strategies, including RTU and substation integrations. Collaborate with operational, engineering and technology teams to improve network visibility and resilience. Support smart grid ...

OT SCADA Architect/Senior OT SCADA Engineer 12-Month Contract | Outside IR35 | UK Based | Competitive Day Rate We are seeking an experienced SCADA Architect or Senior SCADA Engineer to support a major energy and utilities programme focused on the modernisation and optimisation of operational technology, network management … time telemetry, monitoring and control capabilities across operational networks. Support Distribution Management Systems (DMS) and Network Management Systems (NMS) initiatives. Define and implement OT communications strategies, including RTU and substation integrations. Collaborate with operational, engineering and technology teams to improve network visibility and resilience. Support smart grid ...

OT SCADA Architect/Senior OT SCADA Engineer 12-Month Contract | Outside IR35 | UK Based | Competitive Day Rate We are seeking an experienced SCADA Architect or Senior SCADA Engineer to support a major energy and utilities programme focused on the modernisation and optimisation of operational technology, network management … time telemetry, monitoring and control capabilities across operational networks. Support Distribution Management Systems (DMS) and Network Management Systems (NMS) initiatives. Define and implement OT communications strategies, including RTU and substation integrations. Collaborate with operational, engineering and technology teams to improve network visibility and resilience. Support smart grid ...

Title: OT Maintenance TechnicianWork Type: Contract (6 month)Location: Plymouth (Hybrid) Role Overview We are seeking a skilled and adaptable OT Maintenance Technician to support the maintenance and reliability of operational technology systems. The role involves maintaining, calibrating, and optimising regulatory monitoring equipment, instrumentation, and process control systems … effective improvements to regulatory assets and associated systems Ensure adherence to established standards, policies, and change governance procedures Collaborate with cross-functional teams including OT Engineers, ICA, mechanical and electrical technicians to prioritise and deliver maintenance activities Apply electrical, instrumentation, and process system knowledge to optimise performance and minimise system ...

/OT Security Architect Utilities Predominantly remote: 1-2 days per month in Warwick 6 months+ £750 per day In short: We require a strong Security Architect who has worked in an Operational Technology environment to support on a number of programmes covering network refresh, AI and Adoption … Strong background in security architecture, ideally within complex enterprise or critical infrastructure environments. Experience supporting project portfolios or multiple concurrent change initiatives. Familiarity with OT environments, substations, or industrial control system contexts. Ability to review designs and identify security risks, control gaps, and remediation actions. Understanding of security principles such ...

Cyber Security representative on major programmes and product teams, providing authoritative guidance and approvals to ensure secure design, build and operation across IT, OT and AI enabled systems. Represent Cyber Security across strategic initiative including research collaborations, joint ventures and supply chain engagements ensuring security requirements and secure by design … business impact assessments and integrated into enterprise risk and operational safety processes. Contribute to broader cyber security initiatives and capability uplifts, including OT security maturity, AI assurance, supply chain resilience and secure development lifecycle improvements. Apply and oversee security controls required by policy, risk assessment and regulatory drivers, ensuring ...

Systems Integration, Zero Trust, Defence Digital Transformation, AI-enabled Systems Youve spent years designing complex technical solutions in environments where security, resilience, interoperability, and operational effectiveness genuinely matter. Youre the person people rely on when systems need to work properly, scale correctly, integrate cleanly, and remain secure under pressure. … parts, stakeholders, and evolving requirements. If that sounds familiar, this role could be a very interesting next step. Im working with a cyber security technology company and Im looking for a Technical Architect to support major MOD capability, transformation, and systems integration programmes across secure and highly regulated ...

sites in Surrey and the South of England may be required. The successful candidate will hold a current live SC Clearance Key Responsibilities Deliver OT cybersecurity assessments across industrial control systems, SCADA, PLC, DCS, IIoT and critical network environments. Conduct OT and cyber maturity assessments using frameworks such as NIST … other recognised industry standards. Assess critical network infrastructure, including segmentation, remote access, identity, monitoring, resilience and incident response capabilities. Review OT architecture, asset inventories, data flows, firewall rules, network zones and conduits. Identify security gaps, operational risks, vulnerabilities and control weaknesses across OT environments. Develop practical remediation roadmaps that ...

Manufacturing IT/OT Support Technician Location: Siemens Energy – Worcester, UK Contract: 6 months initial (likely extension) Working Pattern: 5 days on site, 8 hours/day, Mon–Fri Rate: £40–£54/hour (Inside IR35 via umbrella) Start: ASAP Other: Basic DBS required, must confirm notice period Role Overview … Hands-on IT/OT support role in a live manufacturing environment, supporting production-critical systems, industrial connectivity, and factory digital infrastructure. Focus on uptime, troubleshooting, cybersecurity compliance, and IT/OT integration. Key Responsibilities OT & Production Support Support and troubleshoot OT systems (PLCs, HMIs, sensors, industrial PCs) Resolve production ...

/Hybrid) - Inside IR35 Day Rate - up to £800 Duration - 6 months Harvey Nash's Client have a requirement for a Lead SCADA and OT Cyber Security Engineer, you will be responsible for ensuring the security, resilience, and operational integrity of the SCADA and OT systems within multiple operational … SCADA Systems Engineers to improve operational reliability of sites and leads with cross-functional collaboration. Key Accountabilities Delivering Solutions Develops and implements OT cyber security strategies, including risk assessments and vulnerability analysis. Leads incident response and oversees implementation of security controls, monitoring, and access management. Contributes to network design ...

OT SCADA Architect/Senior OT SCADA Engineer 12-Month Contract Outside IR35 UK Based Competitive Day Rate We are seeking an experienced SCADA Architect or Senior SCADA Engineer to support a major energy and utilities programme focused on the modernisation and optimisation of operational technology, network management ...

control system DC protection DC Measuring system AC protection Bay control units HMI and fault reporting operation (design already finalised) Communication/LAN systems OT cyber security Systems such as fire alarm, PECG, Cooling system etc. Fibre Optic and other cable communication infrastructure - between onshore and offshore - overseeing installation ...

OT Cyber Solution Architect - (Reading 1-2 days a week max.) - 6 months (£635 - 682) Must have OT Cyber experience! End to End Architecture Leadership: Define and deliver Zero Trust OT architecture, including: NAC (FortiNAC) NDR (Claroty + Fortigate + Fortiguard +SOC integration) EDR (SentinelOne and Microsoft Defender) Scope … delivery across the entire scope of this project containing 3 workstreams: 1. Network Access Control (NAC) Implement NAC (802.1X) across L2 Switches in 64 OT sites Deliver: Device authentication & posture checking Dynamic access control and segmentation Safe deployment in OT constrained environments 2. Endpoint Detection & Response (EDR) Deploy advanced endpoint ...

Zero Trust Architecture principles o NIS 2 o DEFSTAN 05-138 Knowledge of employing a secure by design methodology Familiarity with IT and OT trends and good practice. Knowledge of SAP Desirable Has developed business knowledge of the activities and practices of own organisation and those of suppliers, partners, competitors … experience in supporting the delivery of key projects in a couple if not all of the IM&T Cyber skill sets. Demonstrates leadership in operational management. Analyses requirements and advises on scope and options for continual operational improvement. Assesses and evaluates risk. Takes all requirements into account when ...

role will be integrated into an active and ambitious global cyber security function, contributing to SPEN's cyber security purpose of delivering cyber resilient OT and IT, to enable a safe and reliable electricity supply to customers. What you'll be doing You will play a central role in strengthening … contribute to the maturity of SPEN's cyber response framework, ensuring playbooks are operationally effective, compliant with NIS regulations, and tailored to our evolving OT and IT environments. You will also be responsible for developing and delivering an incident response exercise plan covering a range of scenarios designed to test ...

shop floor and provide technical support to production Drive data-driven continuous improvement initiatives Collaborate with engineering, quality, production and IT/OT teams The Person: Proven hands-on experience with Aegis FactoryLogix, Siemens Opcenter or Critical Manufacturing MES Strong electronics manufacturing background (PCB fabrication and PCBA assembly processes … depth working knowledge of Gerber (GBR), ODB++ and structured manufacturing data Confident writing SQL and handling large production databases Solid understanding of IT/OT infrastructure in a manufacturing environment Excellent problem-solving and analytical skills Degree qualified in Engineering, Computer Science or related discipline preferred Previous experience in rail ...

requires hands-on innovation experience in delivering advanced industrial solutions. Key Responsibilities Own and lead the end-to-end manufacturing architecture across IT/OT landscapes Design, govern, and integrate MES and MOM solutions within complex manufacturing environments Define and own manufacturing data architecture, including data models, integration patterns … architecture aligns with security, resilience, scalability, and regulatory requirements Essential Experience and Skills: Deployment of Automated Engine External Capturing (AEEC) using camera and drone technology Roll-out of local MES tablets with the correct RR build Material sorting and clipping automation at Inchinnan (compressor blade manufacturing) Integration of MoFEM ...

1. 12-15+ years of experience in Embedded Systems, IT/OT Architecture, Industrial IoT (IIoT), or Industry 4.0 environments. 2. Proven experience delivering Digital Factory, Smart Manufacturing, or Critical Infrastructure projects from design through deployment. 3. Strong understanding of ISA-95 frameworks and OT/IT convergence. 4. ...

exciting opportunity to play a key role in driving business readiness and user adoption across a portfolio of digital initiatives, including IT, OT, and Cyber programmes. You will operate at both a strategic and hands-on level, ensuring the successful delivery and embedding of change across multiple projects, while supporting … impact roles or structures Align change activity across portfolios, programmes, and projects to ensure a consistent approach Take ownership of both strategic planning and operational delivery of change activities Maximise usage and adoption of digital platforms and tools Contribute to the continuous improvement of change frameworks, tools, and methodologies ...

maintenance Implement and maintain cybersecurity controls that includes system hardening and application whitelisting for PCs and engineering workstationsfor STATCOM systems in industrial/OT environments Configure and support DMZ infrastructure, including Active Directory, syslog servers, and jump servers Manage and maintain firewalls, including rule configuration, access control, and network segmentation … critical power and automation systems Conduct vulnerability assessment and mitigation, penetration testing, security compliance checks, and remediation activities Collaborate with engineering, IT, and OT teams to ensure secure and reliable system operation Related Certifications: IEC62443 certifications and trainings CISSP GICSP ...