1 to 25 of 29 Contract Operational Technology Jobs in England

lead the requirements gathering, analysis, and documentation of all currently undocumented business requirements relating to Azure Virtual Desktop (AVD), Zscaler, Operational Technology (OT), IoT, and remote access capabilities across a large scale FMCG/supermarket organisation. This role will work closely with the Remote Access Project Manager, engineering … remote access services. Key Responsibilities * Lead structured requirements gathering activities, including workshops, interviews, process reviews, and analysis of existing documentation across corporate, retail, and OT environments. * Identify, document, and validate all business requirements related to remote access, including AVD usage patterns, Zscaler access flows, IoT/OT connectivity needs ...

access technologies across a complex, multi domain enterprise environment. This role will oversee projects involving Azure Virtual Desktop (AVD), Zscaler, Operational Technology (OT), IoT ecosystems, and remote access enablement within FMCG/retail environments, including large scale supermarket operations. The successful candidate will be responsible for driving … store environments. * Define project scope, milestones, and delivery plans, ensuring alignment with enterprise architecture, security policies, and operational constraints. * Coordinate with engineering, security, OT, and network teams to ensure seamless integration of AVD, Zscaler, and IoT/OT connectivity requirements. * Oversee readiness assessments for remote access across retail ...

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 ...

secure connectivity initiatives. Define project scope, delivery plans, milestones, and governance frameworks aligned to enterprise architecture and security standards. Coordinate cross-functional engineering, security, OT, infrastructure, and network teams to ensure seamless integration and delivery. Oversee remote access readiness across retail and FMCG environments, including store networks, distribution centres … including deployment, architecture, scalability, and operational management. Experience with Zscaler technologies, including ZIA and ZPA. Strong understanding of Operational Technology (OT) environments and associated connectivity and security challenges. Experience working with IoT ecosystems and secure device connectivity models. Previous experience within FMCG or retail environments, ideally supporting ...

secure connectivity initiatives. Define project scope, delivery plans, milestones, and governance frameworks aligned to enterprise architecture and security standards. Coordinate cross-functional engineering, security, OT, infrastructure, and network teams to ensure seamless integration and delivery. Oversee remote access readiness across retail and FMCG environments, including store networks, distribution centres … including deployment, architecture, scalability, and operational management. Experience with Zscaler technologies, including ZIA and ZPA. Strong understanding of Operational Technology (OT) environments and associated connectivity and security challenges. Experience working with IoT ecosystems and secure device connectivity models. Previous experience within FMCG or retail environments, ideally supporting ...

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 ...

Business Continuity and Disaster Recovery (BCDR) requirements, focusing on ransomware resilience, data recovery governance, and secure operational restoration. IT/OT Integration Assurance: Collaborate with cross-functional architecture and engineering teams to govern system onboarding (e.g., SIEM/SOC infrastructure monitoring) across both corporate enterprise and industrial Operational Technology (OT/SCADA) environments. Requirements Governance: Create procurement-grade business analysis artifacts, including functional/non-functional specifications, process maps (BPMN), and strict Requirements Traceability Matrices (RTM). Requirements Extensive experience operating as a Senior, Lead, or Principal Business Analyst within a utility, regulated energy network ...

/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 ...

Role Lead the architectural design and governance of secure technology solutions that bridge corporate IT infrastructure with site-based Operational Technology (OT/SCADA). This position owns the structural design frameworks required to protect critical utility infrastructure through advanced data protection, immutable backup strategies, and comprehensive … disaster recovery (DR) capabilities. Key Responsibilities IT/OT Integration: Architect secure, high-availability interfaces connecting enterprise systems with critical industrial control systems (ICS/SCADA), utilizing industry blueprints like the Purdue Model. Data Resilience & Immutability: Design and govern advanced data protection roadmaps, focusing heavily on immutable (WORM ...

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 ...

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 ...

defining the future-state data model and governance framework for a large-scale retail media transformation program. You'll work cross-functionally with commercial, operational, technology, and analytics teams to enhance data integrity and reporting capabilities. Your mission? Establish a scalable "single source of truth" across the retail … frameworks. Expertise in data quality, ownership, metadata, and reporting structures. Ability to navigate complex enterprise system landscapes. Exceptional stakeholder engagement skills across business and technology teams. Preferred Experience: Familiarity with retail, retail media, media, or customer analytics. Experience with CRM systems, reporting, and operational data ecosystems. Exposure ...

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 ...

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 ...