1 to 25 of 26 Contract Operational Technology Jobs in the UK

Operational Technology (OT) Architect/SME

Hiring Organisation
Hays Talent Solutions
Location
Edinburgh, Midlothian, United Kingdom
Employment Type
Contract
Contract Rate
GBP 900 Daily
Hiring: Operational Technology (OT) Engineers/Architects/SMEs Location: Edinburgh - Home based with occasional office days Duration: Initial 9 months (part of a 2-5 year programme) Contract Type: Inside IR35 (FTE or Umbrella Company only - no PSC) Your new role We are seeking experienced Operational Technology (OT) Engineers, Architects, and Subject Matter Experts (SMEs) to play a pivotal role in enhancing and safeguarding business-critical operational applications. This is a high-impact opportunity to work across Platinum, Gold, and Silver level OT Applications in collaboration with SSE IT, Neos Networks ...

Operational Technology Engineer

Hiring Organisation
Damia Group LTD
Location
England, United Kingdom
Employment Type
Contract
Contract Rate
GBP 850 - 870 Daily
/Architect/SME, acting as technical authority for business-critical operational applications. The focus is on improving system performance and resilience, governing OT architecture, approving upgrades, and supporting long-term operational stability across core platforms. Key Requirements Operational Technology (OT) engineer, architect, or SME experience … Vernova PowerOn (highly desirable) and ADMS platforms Good working knowledge of SCADA, AVEVA PI (OSIsoft PI), and ODMS Experience acting as design authority for OT infrastructure and application changes Proven involvement in operational acceptance testing, upgrades, and go/no-go decisions Ability to improve monitoring, performance, and resilience ...

Operational Technology Engineer

Hiring Organisation
Damia Group Ltd
Location
Nationwide, United Kingdom
Employment Type
Contract
Contract Rate
£850 - £870/day
/Architect/SME, acting as technical authority for business-critical operational applications. The focus is on improving system performance and resilience, governing OT architecture, approving upgrades, and supporting long-term operational stability across core platforms. Key Requirements Operational Technology (OT) engineer, architect, or SME experience … Vernova PowerOn (highly desirable) and ADMS platforms Good working knowledge of SCADA, AVEVA PI (OSIsoft PI), and ODMS Experience acting as design authority for OT infrastructure and application changes Proven involvement in operational acceptance testing, upgrades, and go/no-go decisions Ability to improve monitoring, performance, and resilience ...

Operational Technology Engineer/Architect/SME

Hiring Organisation
Hydrogen Group
Location
England, United Kingdom
Employment Type
Contract
Contract Rate
GBP 870 Daily
/Architect/SME, acting as technical authority for business-critical operational applications. The focus is on improving system performance and resilience, governing OT architecture, approving upgrades, and supporting long-term operational stability across core platforms. Key Requirements Operational Technology (OT) engineer, architect, or SME experience … Vernova PowerOn (highly desirable) and ADMS platforms Good working knowledge of SCADA, AVEVA PI (OSIsoft PI), and ODMS Experience acting as design authority for OT infrastructure and application changes Proven involvement in operational acceptance testing, upgrades, and go/no-go decisions Ability to improve monitoring, performance, and resilience ...

Solution Architect OT Infrastructure

Hiring Organisation
Broster Buchanan
Location
Burton Latimer, Kettering, Northamptonshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
rate contract for 9 months Interviews this side of Christmas for a Jan/Feb 2026 start date Solution Architect with and OT infrastructure bias We have a requirement at one of our main customers for a Solutions Architect to work on some projects with an OT infrastructure bias.Here … some of the details from the SoW:The main purpose of the assignment is to provide solution architecture capability as part of the OT portfolio, with an infrastructure bias. Working as part of a project team to ensure design deliverables are completed within the agreed timeframes and to the required ...

Infrastructure Engineer

Hiring Organisation
VIQU IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
collaboratively across teams. Desirable Infrastructure Engineer Skills & Experience: Strong knowledge and hands-on experience with NSX-T. Working familiarity with Operational Technology (OT) environments (advantageous). Experience using SCCM, SolarWinds, and other enterprise monitoring solutions. Solid grasp of Unix/Linux fundamentals. Background working with cloud platforms such ...

Technical Architect / SME - GE Power On, Energy

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£950.0 - £1000.0 per day + Up to £1000 per day - Inside IR35
Technical Architect/SME on GE Power On programmes within the Energy Sector. Subject Matter Expertise with GE Power On product. Strong understanding of OT (Operational Technology) software. Cloud migration experience. Nice to have: Immediate availability. If interested, with relevant experience, please apply with your latest CV ASAP. ...

Technical Architect / SME - GE Power On, Energy

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£950 - £1,000 per day
Technical Architect/SME on GE Power On programmes within the Energy Sector. Subject Matter Expertise with GE Power On product. Strong understanding of OT (Operational Technology) software. Cloud migration experience. Nice to have: Immediate availability. If interested, with relevant experience, please apply with your latest CV ASAP. ...

OT Cyber Security Analyst

Hiring Organisation
Morson Edge
Location
England, United Kingdom
Employment Type
Contract
Contract Rate
GBP 575 - 650 Daily
OT Cyber Security Specialist (SC Cleared) Contract: 12 months Location: 2 days per week onsite (London or Capenhurst) Industry: Industrial/Utilities/Nuclear Clearance: Must hold active SC clearance and be a sole British national Start: ASAP/Jan Rate - £575 - 650/day inside IR35 Purpose … Role The OT Cyber Security Specialist will support the design, development, integration, and delivery of OT security controls as part of a wider OT Cyber Security Enhancement Programme. The role reports to the Head of OT Cyber Security & Cyber Assurance, with Matrix reporting to the OT Security Programme Manager ...

Law & Legal Experienced PEN Tester

Hiring Organisation
Eames Consulting Group Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
Penetration Tester - Legal Sector (OT/Live Systems) £750 Per Day Inside IR35 Location: Canary Wharf | 5 days on-site We're looking for an experienced Penetration Tester with proven law/legal sector experience to operate in a high-risk, high-sensitivity environment. This role is fully on-site … involves OT penetration testing on live production systems . You will: Perform penetration testing across IT and OT environments , including live legal systems Safely test operational technology and production platforms without business disruption Assess risk in line with legal, regulatory and client confidentiality requirements Deliver clear, actionable reports ...

Law & Legal Experienced PEN Tester

Hiring Organisation
Eames Consulting
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£750 - £800 per day
Penetration Tester - Legal Sector (OT/Live Systems) £750 Per Day Inside IR35 Location: Canary Wharf | 5 days on-site We're looking for an experienced Penetration Tester with proven law/legal sector experience to operate in a high-risk, high-sensitivity environment. This role is fully on-site … involves OT penetration testing on live production systems . You will: Perform penetration testing across IT and OT environments , including live legal systems Safely test operational technology and production platforms without business disruption Assess risk in line with legal, regulatory and client confidentiality requirements Deliver clear, actionable reports ...

IT/OT Onsite Network Engineer

Hiring Organisation
Infoplus Technologies UK Ltd
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Contract
Role : IT/OT Onsite Network Engineer Location: Cardiff, UK Duration : 6 months Contract Job Description: Your responsibilities: Coordinate with facility & maintenance, EHS, quality, and operations teams on Secure Shop Connection projects, Provide Internal Audit, External Audit and Integrations Support Conduct OT/IT asset discovery, record management, and ongoing … maintenance, Liaise with third-party suppliers for asset inventory data Build and maintain documentation to demonstrate compliance with IT/OT controls, Identify, document, and manage IDF/MDF infrastructure at sites Oversee hardware procurement processes Support shop floor asset connectivity to the network Perform malware scanning ...

Contract -Service Transition Analyst - Outside IR35

Hiring Organisation
Computer Futures
Location
Newcastle upon Tyne, Tyne and Wear, Tyne & Wear, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £425/day
into live operation with minimal risk and disruption. This role will focus on applications and infrastructure readiness, including requirement gathering, patch management, compliance, and operational handover. Key information Role: Service Transition Analyst - Applications & Infrastructure Location: Newcastle Rate: Outside IR35 Day rate: £400 - £425 Contract Length: 6 months Start Date … Essential) Experience in application and infrastructure deployment projects (Essential) Knowledge of patch management processes and tools (Essential) Ability to gather and document technical and operational requirements Excellent stakeholder communication and coordination skills Desirable: Familiarity with on-prem infrastructure Awareness of Operational Technology Experience with automation tools ...

SCADA Engineer EMS/DMS

Hiring Organisation
Gazelle Global Consulting Ltd
Location
Central London, London, United Kingdom
Employment Type
Contract, Work From Home
Major client We are engaged by a major UK energy client on a grid modernisation effort and require a seasoned engineer who understands real operational technology rather than textbook theory. Role Summary Support SCADA, EMS and DMS functions across operational environments Contribute to modelling … fault analysis and simulation Assist in integration and validation of real time network control systems Interface with engineering and vendor teams to solve practical OT challenges Required Profile Experience with a UK DNO or TSO Strong grasp of system topology, telemetry and fault scenarios Demonstrable hands on SCADA experience ...

L3 SOC Analyst

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 600 Daily
cyber incidents, engaging technical and business stakeholders. Tune and optimise SOC tools, including SIEM platforms. Support risk-based security controls across IT and OT environments. Participate in an on-call rota. Required Experience Strong experience in an L3 SOC or senior cyber security role. Hands-on SOC experience within ...

Scada Engineer/ Architect

Hiring Organisation
Brightbox GRP Ltd
Location
United Kingdom
Employment Type
Contract
Contract Rate
£500 - £800 per day
550.00 £800.00 depending on experience. We are seeking an experienced SCADA Architect/Engineer to enhance the performance of our critical Operational Technologies (OT) applications. This role is pivotal in ensuring the reliability and efficiency of our operational systems, contributing to the development of strategic asset management plans … maintaining high standards of technical expertise. The ideal candidate will possess a deep understanding of OT infrastructure and applications, as well as a collaborative mindset to work with various stakeholders. **Key Responsibilities:** - Drive continual performance improvement of OT applications to minimise service disruptions. - Act as Design Authority for OT Infrastructure ...

Enterprise Architect

Hiring Organisation
Robert Half
Location
Bedford, Bedfordshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
initial 6 month contract basis. Bedford Based Role Strategic Architecture Development The Enterprise Architect will define and maintain enterprise architecture frameworks encompassing IT and OT domains. Establish and enforce architectural principles, policies, and standards. Align architecture with MOD standards i.e. Secure by Design, JSP 453 and Defence Digital policies. Lead … systems/networks and define to-be architecture requirements Technology Integration Design architectures that bridge traditional IT systems (networks, cloud, applications) with OT environments (SCADA, ICS, sensors, and control systems). Work with multiple functions to translate functional and non-functional requirements for applications/systems/networks into ...

OT Network Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
Preston, Lancashire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £500 per day
OT NETWORK ENGINEER £450 - £500 PER DAY OUTSIDE IR35 HYBRID (3 DAYS PW) PRESTON 6 MONTH CONTRACT THE COMPANY: Join a fast-growing manufacturing business as an OT Network Engineer. THE ROLE: As an OT Network Engineer, your responsibilities will include: Integrate AMR robots with ERP, IT, and OT systems … accuracy. Help with basic robot programming and configuration so AMRs can navigate to correct warehouse locations. Identify and fix integration issues across IT/OT systems, including connectivity, permissions, and program configuration. Resolve remote-access and licensing problems preventing engineers from logging in and making updates. Work closely with both ...

OT Network Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
Preston, Lancashire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £550 per day
Title: OT Network Engineer Location: Preston area (2-3 days on site to start) Contract: 6 months | Rate: £450-£550 p/d | IR35: Outside TBC Overview: Seeking an OT Network Engineer to design and maintain a secure, high-performance OT infrastructure across a manufacturing environment. You'll ensure reliable … comms for PLCs, HMIs, SCADA, robots, AMRs, BMS/HVAC and ERP-driven automation across multi-VLAN networks, working closely with both OT and IT teams. Key Responsibilities: Design and support OT networks (L2/L3, VLANs, QoS, segmentation). Implement OT security controls (zones/conduits, ACLs, firewalls, secure ...

Customer Support Engineer - DERMS

Hiring Organisation
Stackstudio Digital Ltd
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £550 per day
management systems. Excellent communication and problem-solving skills to collaborate with customers and cross-functional teams Preferred Skills: Prior experience supporting DERMS or other OT/IT grid management platforms. Knowledge of GridOS ecosystem and integration with DERMS. Exposure to cybersecurity standards (NERC CIP, ISO 27001, SOC2). Cloud/… hybrid deployment experience (Azure, AWS). Certifications such as ITIL, Security+, or utility-specific systems training. Scripting/automation skills (Python, Bash, PowerShell) for operational efficiency ...

Power On Enigneer

Hiring Organisation
Square One Resources
Location
Edinburgh, Midlothian, United Kingdom
Employment Type
Contract
Contract Rate
GBP 862 Daily
systems to reduce the number of faults that cause disruptions to the customer's service and developing a Strategic Asset Management Plan for the OT Applications and Infrastructure. Authorising developments in current OT infrastructure working with the Application suppliers, SSE IT, Neos Networks and the SSE customer to develop, test … authorise any changes to architecture of existing Platinum, Gold and Silver level OT Applications. Authorising the completion of Operational Acceptance Testing for the infrastructure for the business-critical OT Applications. This includes approval of handover into support and approval of key no/no-go decisions. Provide a development ...

Metering Engineer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
milestones. Leads site-level technical coordination for metering deployments Participates to site surveys (so will travel a lot at the beginning) and assessments as OT technical expert (instrumentation + IT/OT integration) Strong specialist in metering technologies, instrumentation, and automation Designs and validates connectivity architecture (PLCs, SCADA, gateways … sites. In this pivotal role, you will be responsible for conducting site assessments, selecting appropriate meters, designing installation plans, and integrating metering systems with OT/IT infrastructure. You will also ensure all solutions comply with international standards. By enabling precise monitoring of energy and resources, you will directly contribute ...

OT Security Enterprise/Network Architect

Hiring Organisation
ERSG Ltd
Location
Nationwide, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £800/day
sites, propose optimal solutions, and clearly communicate their recommendations. Significant added value Experience in designing or implementing remote access systems for industrial automation networks (OT/ICS), considering security requirements and IT/OT environment separation. Additionally, the ability to design a secure Internet access system for critical environments-including ...

Cyber Security Compliance Specialist

Hiring Organisation
Lorien
Location
Ellesmere Port, Merseyside, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350 - £550 per day
across our European manufacturing estate. This role focuses on NIS2 compliance and governance-not hands-on IT-but requires strong understanding of manufacturing and OT security environments. You'll drive compliance plans forward, update risk assessments, and ensure regulatory requirements are met across multiple sites. Expect to work closely with … stakeholders What We're Looking For Experience in governance and compliance within highly regulated environments (manufacturing, oil & gas, nuclear, utilities, public sector) Understanding of OT security and manufacturing security standards (e.g., NIST) Ability to manage complex compliance projects across multiple sites Strong stakeholder engagement and communication skills Driving license (essential ...

3rd Line Engineer

Hiring Organisation
Robert Half
Location
Bedford, Bedfordshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Robert Half Technology are assisting a Aerospace organisation to recruit a 3rd Line Engineer on an initial 6 month contract basis. Bedford Based Role The 3rd Line Engineeer will be responsible for the administration and 3rd line support of Networks Administration and 3rd line support of Servers Investigating … Windows Servers & Linux Servers Supporting service deployment activities by providing systems support, and participating in the design and development of new IT/OT services. Designing and performing tests for the functionality, performance and manageability of IT services to support service transition activities. Ensuring IT process and procedures are applied. ...