and sustainable projects within your local county within the North West? If so, United Utilities (UU) has an exciting opportunity for you to join our OperationalTechnology (OT) Regional Engineering team in a pivotal role that will help ensure the successful realisation of our strategic goals in the North West of England. Travel will be localised to your … you will design and develop instrumentation, control, automation and telemetry systems for water and wastewater systems, both at process sites and within natural water networks. Reporting to a Principal OT Engineer, you will collaborate with our Systems Integration Partners, Operational and Project delivery teams across the business building and maintaining strong relationships with internal clients and external partners. You … will be expected to work as the OT lead working with other disciplines (Electrical, Civil, Hydraulic, Mechanical, Modelling and Process etc) on large scale projects. As a Subject Matter Expert (SME) for OperationalTechnology, you will be aligned to a region (Lancashire, Merseyside, Manchester or Cheshire - subject to preference) to help our operational teams address engineering challenges More ❯
OperationalTechnology (OT) Security Engineer Location: Scotland Salary: £50,100 - £75,100 + performance-related bonus + excellent benefits Contract: Permanent | Full-Time | Flexible working options available About the Role We are seeking an experienced OT Security Engineer to join a growing security team dedicated to protecting critical infrastructure within the energy sector. You will play a pivotal … role in bridging IT Security Operations and OperationalTechnology (OT) teams, ensuring the safe and secure operation of vital transmission systems. This is an exciting opportunity to contribute to the development of a new security operations team and influence the future of cybersecurity within a highly regulated, safety-critical environment. Key Responsibilities Monitor, triage, and respond to security … events and alerts raised via SIEM systems. Act as the primary interface between IT Security Operations and OT engineering teams. Develop and fine-tune security monitoring tools and processes to improve threat detection and reduce false positives. Define detection use cases and recommend security investments to improve monitoring coverage. Create playbooks, standards, and incident response processes for the OT environment. More ❯
Ellesmere Port, Cheshire, North West, United Kingdom
DGH Recruitment
OT Cyber Security Lead DGH Recruitment are currently recruiting on behalf of a a leading client in the Oil & Gas industry who are looking for an OperationalTechnology Cyber Security Lead to join the team in Ellesmere Port. The role is responsible for developing, implementing, and managing cybersecurity strategies and controls for OperationalTechnology environments ensuring … Industrial Automation & Control Systems (IACS), aligning with regulatory requirements including COMAH, HSE OG86, NIS, and ISO/IEC 62443. Key Responsibilities: * Lead the design, implementation and upkeep of the OT Cybersecurity Management System and policies to OG86 and IEC62443-2-1 compliance. * Conduct risk assessments and threat modelling for OT environments in accordance with IEC62443-3-2. * Manage NIS … compliance for OT Networks and produce the NIS annual report. * Collaborate with Refinery OT Engineers to manage security controls for ICS, SCADA, and other OT systems. * Collaborate with engineering, IT, and safety teams to ensure secure integration of OT systems. * Oversee incident response and recovery procedures for OT-related cyber events reported by 24/7 OT SOC. * Ensure compliance More ❯
OT Platform Manager/OT Network Manager/OT Network Services Manager We're representing a major energy infrastructure provider experiencing rapid expansion as part of a multi-billion-pound investment programme. The organisation is strengthening its OperationalTechnology (OT) capabilities to support critical infrastructure and meet growing demand across the UK. This is a senior leadership position … where you'll take full responsibility for OT network services . The role combines strategic influence with hands-on leadership , giving you the platform to shape the organisation's network roadmap and lead the transformation of operational technologies that underpin its critical assets. As the Manager of OT Network Services , you will oversee the design, delivery, and ongoing management … of highly resilient OT network environments . You'll lead a team focused on ensuring the security, stability, and scalability of 24/7 operational systems while driving forward a modernisation agenda to prepare the network for future challenges. Key Responsibilities Act as the technical lead for OT network services, maintaining an in-depth understanding of LAN/WAN More ❯
in developing, implementing, and managing cybersecurity strategies to protect critical national infrastructure systems, ensuring compliance with key regulatory requirements. Key Responsibilities: Lead the design, implementation, and upkeep of the OT Cybersecurity Management System and policies to OG86 and IEC(phone number removed)-1 compliance. Conduct risk assessments and threat modeling for OT environments in accordance with IEC(phone number removed … z2ez0 Manage NIS compliance for OT Networks and produce the NIS annual report. Collaborate withOT Engineers to manage security controls for ICS, SCADA, and other OT systems. Oversee incident response and recovery procedures for OT-related cyber events reported by 24/7 OT SOC. Develop and deliver OT cybersecurity awareness and training programs. Monitor and report on OT cybersecurity … posture and KPIs to senior leadership. Represent OT Cybersecurity in the Refinery change control process. Job Requirements: A bachelor's degree in Cybersecurity, Computer Science, Engineering, or a related discipline. Relevant certifications such as GICSP, CISSP, CISM, or ISA/IEC 62443 are preferred. Significant experience working in cybersecurity or operationaltechnology (OT) environments within critical national infrastructure More ❯
Woking, Surrey, England, United Kingdom Hybrid / WFH Options
Michael Page Technology
The Head of IT Operations will provide operational leadership of IT infrastructure, cloud, network, and telephony systems, supporting mission-critical services across port terminals, shipping operations, and commercial offices. This role is pivotal in ensuring IT operations are resilient, secure, and aligned with the dynamic needs of the maritime and port services industry, delivering high performance across a complex … service reliability for crane automation, yard management systems, and terminal access control. Cybersecurity & Compliance * Collaborate with the cybersecurity function to secure infrastructure against threats targeting critical national infrastructure, including OT (OperationalTechnology) environments. * Ensure compliance with maritime, data protection, and operational standards including NIST, and local port authority requirements. * Lead business continuity and disaster recovery planning with … connectivity in multi-site or operationally intensive settings. Key Skills: * Deep understanding of maritime and port operations * Network and cloud infrastructure architecture * Strong vendor and stakeholder management * Familiarity with OT/IT convergence and control systems * Operational and project leadership in high-availability environments * Regulatory and cyber risk awareness in critical infrastructure Minimum Education Requirements: * Bachelor's or Master More ❯
Our client is experiencing expansion as part of a multi-billion-pound investment programme. The organisation is strengthening its OperationalTechnology (OT) capabilities to support critical infrastructure and meet growing demand across the UK. This is a senior leadership position where you’ll take full responsibility for OT network services . The role combines strategic influence with hands … on leadership , giving you the platform to shape the organisation’s network roadmap and lead the transformation of operational technologies that underpin its critical assets. As the Lead OT Network Services , you will oversee the design, delivery, and ongoing management of highly resilient OT network environments . You’ll lead a team focused on ensuring the security, stability, and … scalability of 24/7 operational systems while driving forward a modernisation agenda to prepare the network for future challenges. Key Responsibilities: Act as the technical lead for OT network services, maintaining an in-depth understanding of LAN/WAN infrastructure and operational topologies. Define and deliver the OT network roadmap , ensuring it supports broader business objectives. Partner More ❯
Imperial Recruitment Group are delighted to announce that we are working in partnership with Sembcorp Energy UK who are recruiting for an IT-OT Security Specialist on a permanent basis. Salary: Competitive Contract Type: Permanent Location: Wilton International Hours: Full Time Job Purpose This role works alongside the Cyber and Security Manager, coordinating with the ITSM team, to help embrace … This role is part of an out of hours support rota. Responsibilities: Accountable for the execution of Sembcorp s information security program thereby keeping IT (Information Technology) and OT (OperationalTechnology) assets safe from internal and external threats. Accountable for ensuring the confidentiality, integrity, and availability of company information resources by implementing and maintaining security controls, performing … comprehensive security incident response, engaging in proactive threat assessment, mitigation planning, incident trend analysis, and security architecture review. Accountable for gap analysis and regular audits of OT environments to ensure compliance with company security requirements and industry security standards. Accountable for complex and speedy troubleshooting to minimise any network security threats to the company. Provide 2nd line IT support when More ❯
Wilton, Redcar and Cleveland, North Yorkshire, United Kingdom
Imperial Recruitment Group
Imperial Recruitment Group are delighted to announce that we are working in partnership with Sembcorp Energy UK who are recruiting for an IT-OT Security Specialist on a permanent basis. Salary: Competitive Contract Type: Permanent Location: Wilton International Hours: Full Time Job Purpose This role works alongside the Cyber and Security Manager, coordinating with the ITSM team, to help embrace … This role is part of an out of hours support rota. Responsibilities: Accountable for the execution of Sembcorp’s information security program thereby keeping IT (Information Technology) and OT (OperationalTechnology) assets safe from internal and external threats. Accountable for ensuring the confidentiality, integrity, and availability of company information resources by implementing and maintaining security controls, performing … comprehensive security incident response, engaging in proactive threat assessment, mitigation planning, incident trend analysis, and security architecture review. Accountable for gap analysis and regular audits of OT environments to ensure compliance with company security requirements and industry security standards. Accountable for complex and speedy troubleshooting to minimise any network security threats to the company. Provide 2nd line IT support when More ❯
recruiting a Computer Technician on a Fixed Term contract, working offshore on a 2/3 rotation. Duties: Monitor and maintain the integrity and availability of the installation's OT (OperationalTechnology) and IT (Information Technology) equipment in accordance with local and statutory standards & requirements Including preventative inspection & maintenance activities ▪ Including troubleshooting and repairs/overhauls and … all activities of planned and unplanned maintenance within CMMS and equipment records Understand and comply with the installation's Safety Case and statutory requirements Review any proposed IT/OT modifications/work-packs prior to implementation and feedback as appropriate Install, Issue and update computer software including version control of backups and source code Ensure adequate spares are kept … technical competency for role ▪ Develop trainees and apprentices to support their career development Attend FAT/SAT when required. Experience: Good all-round Information Technology background including both OT and IT systems and applications Proficiency in Multiple Telemetry and process control systems platform Proficiency in CMMS systems and their execution Good all-round Electrical and Instrumentation background Server administration More ❯
Reporting to: Senior European IT Director Are you ready to take full ownership of a high-profile cybersecurity function, shaping strategy across both IT and OperationalTechnology (OT)? This is a rare opportunity to lead from the front, influencing policy, overseeing technical security controls, and embedding a proactive, cyber-resilient culture across the business. The Role You will … be the driving force behind our cybersecurity strategy, ensuring robust protection for our IT systems, OT infrastructure, and critical business data. Reporting directly to the Senior European IT Director, you’ll develop and implement policies, lead incident response, ensure compliance with industry standards, and promote best practice in technology risk management. Key Responsibilities: Develop, implement, and maintain a robust … regulatory compliance requirements (GDPR, NIS2). Hands-on expertise with firewalls, SIEM, IAM, IDS/IPS, and cloud security. Strong understanding of networking, infrastructure, and application security. Experience in OT security or within a data centre environment is advantageous. Why Join Us? This is more than a technical role — it’s an opportunity to influence business-wide security culture, work More ❯
london (city of london), south east england, united kingdom
AirSearch
Reporting to: Senior European IT Director Are you ready to take full ownership of a high-profile cybersecurity function, shaping strategy across both IT and OperationalTechnology (OT)? This is a rare opportunity to lead from the front, influencing policy, overseeing technical security controls, and embedding a proactive, cyber-resilient culture across the business. The Role You will … be the driving force behind our cybersecurity strategy, ensuring robust protection for our IT systems, OT infrastructure, and critical business data. Reporting directly to the Senior European IT Director, you’ll develop and implement policies, lead incident response, ensure compliance with industry standards, and promote best practice in technology risk management. Key Responsibilities: Develop, implement, and maintain a robust … regulatory compliance requirements (GDPR, NIS2). Hands-on expertise with firewalls, SIEM, IAM, IDS/IPS, and cloud security. Strong understanding of networking, infrastructure, and application security. Experience in OT security or within a data centre environment is advantageous. Why Join Us? This is more than a technical role — it’s an opportunity to influence business-wide security culture, work More ❯
Reporting to: Senior European IT Director Are you ready to take full ownership of a high-profile cybersecurity function, shaping strategy across both IT and OperationalTechnology (OT)? This is a rare opportunity to lead from the front, influencing policy, overseeing technical security controls, and embedding a proactive, cyber-resilient culture across the business. The Role You will … be the driving force behind our cybersecurity strategy, ensuring robust protection for our IT systems, OT infrastructure, and critical business data. Reporting directly to the Senior European IT Director, you’ll develop and implement policies, lead incident response, ensure compliance with industry standards, and promote best practice in technology risk management. Key Responsibilities: Develop, implement, and maintain a robust … regulatory compliance requirements (GDPR, NIS2). Hands-on expertise with firewalls, SIEM, IAM, IDS/IPS, and cloud security. Strong understanding of networking, infrastructure, and application security. Experience in OT security or within a data centre environment is advantageous. Why Join Us? This is more than a technical role — it’s an opportunity to influence business-wide security culture, work More ❯
Our Company Through its Social Innovation Business that brings together IT, OT(OperationalTechnology) and products, Hitachi contributes to a harmonized society where the environment, wellbeing, and economic growth are in balance. Hitachi operates globally in four sectors – Digital Systems & Services, Energy, Mobility, and Connective Industries – and the Strategic SIB Business Unit for new growth businesses. With Lumada … at its core, Hitachi generates value from integrating data, technology and domain knowledge to solve customer and social challenges. Revenues for FY2024 (ended March 31, 2025) totaled 9,783.3 billion yen, with 618 consolidated subsidiaries and approximately 280,000 employees worldwide. Visit us at . About Hitachi EMEA Hitachi is positioned as a leader in Climate Change Innovation, finding … leading businesses in key sectors including Energy, Transportation, Manufacturing and Digital. Since our inception in 1910, our mission has been centred around Social Innovation – making society better through advanced technology – supported by our R&D centres across the world. Some examples of our contribution to Climate Change Innovation include: Battery hybrid trains – decarbonising rail transport even in areas where More ❯
datchet, south east england, united kingdom Hybrid / WFH Options
Hitachi
Our Company Through its Social Innovation Business that brings together IT, OT(OperationalTechnology) and products, Hitachi contributes to a harmonized society where the environment, wellbeing, and economic growth are in balance. Hitachi operates globally in four sectors – Digital Systems & Services, Energy, Mobility, and Connective Industries – and the Strategic SIB Business Unit for new growth businesses. With Lumada … at its core, Hitachi generates value from integrating data, technology and domain knowledge to solve customer and social challenges. Revenues for FY2024 (ended March 31, 2025) totaled 9,783.3 billion yen, with 618 consolidated subsidiaries and approximately 280,000 employees worldwide. Visit us at www.hitachi.com. About Hitachi EMEA Hitachi is positioned as a leader in Climate Change Innovation, finding … leading businesses in key sectors including Energy, Transportation, Manufacturing and Digital. Since our inception in 1910, our mission has been centred around Social Innovation – making society better through advanced technology – supported by our R&D centres across the world. Some examples of our contribution to Climate Change Innovation include: Battery hybrid trains – decarbonising rail transport even in areas where More ❯
reading, south east england, united kingdom Hybrid / WFH Options
Hitachi
Our Company Through its Social Innovation Business that brings together IT, OT(OperationalTechnology) and products, Hitachi contributes to a harmonized society where the environment, wellbeing, and economic growth are in balance. Hitachi operates globally in four sectors – Digital Systems & Services, Energy, Mobility, and Connective Industries – and the Strategic SIB Business Unit for new growth businesses. With Lumada … at its core, Hitachi generates value from integrating data, technology and domain knowledge to solve customer and social challenges. Revenues for FY2024 (ended March 31, 2025) totaled 9,783.3 billion yen, with 618 consolidated subsidiaries and approximately 280,000 employees worldwide. Visit us at www.hitachi.com. About Hitachi EMEA Hitachi is positioned as a leader in Climate Change Innovation, finding … leading businesses in key sectors including Energy, Transportation, Manufacturing and Digital. Since our inception in 1910, our mission has been centred around Social Innovation – making society better through advanced technology – supported by our R&D centres across the world. Some examples of our contribution to Climate Change Innovation include: Battery hybrid trains – decarbonising rail transport even in areas where More ❯
in any of the following or similar: Artificial Intelligence, Machine Learning, Cryptography, Data Science, Secure Software Development, Risk Management, Cybersecurity Law, Security Architecture, Cybersecurity of OperationalTechnology (OT)/SCADA, Cloud Security, Network Security, Offensive & Defensive Security, and/or Security Monitoring. For Psychology related degrees, passed modules in any of the following or similar: Cyber Psychology/ More ❯
in any of the following or similar: Artificial Intelligence, Machine Learning, Cryptography, Data Science, Secure Software Development, Risk Management, Cybersecurity Law, Security Architecture, Cybersecurity of OperationalTechnology (OT)/SCADA, Cloud Security, Network Security, Offensive & Defensive Security, and/or Security Monitoring. For Psychology related degrees, passed modules in any of the following or similar: Cyber Psychology/ More ❯
security vulnerabilities, promoting a culture of security awareness within the organisation Experience required: Previous experience in a similar Vulnerability Management role preferably with experience in OperationalTechnology (OT) Skilled in cyber security, physical security, and risk management principles Excellent analytical and investigative skills Strong knowledge of the hardware and software systems in use across both IT and OTMore ❯
with health and safety standards and ABB's Code of Conduct Qualifications for the Role BSc in Engineering or equivalent working experience Strong understanding of OperationalTechnology (OT) systems and architecture Hands-on experience in diagnostics, repair, and field servicing of OT systems Proven commercial awareness and communication skills In-depth knowledge of at least one Distributed Control … learning and artificial intelligence (AI), the Division brings over 50 years of domain expertise delivering solutions designed to improve energy, process and production efficiency, as well as reduce risk, operational cost and capital cost, while minimizing waste for customers, from project start-up and throughout the entire plant lifecycle. Join us. Be part of the team where progress happens More ❯
foundation that underpins mission-critical projects. The Opportunity In this senior leadership role, you'll take ownership of the digital strategy and drive change across multi-classification IT and OT networks. You’ll work closely with senior stakeholders to align technology roadmaps with long-term business goals, while ensuring that systems are modern, secure, and resilient. What you’ll … be doing • Leading the transformation of IT and OT systems using secure-by-design principles• Working with leadership to define and deliver the long-term technology strategy• Overseeing cybersecurity to protect highly sensitive data environments• Developing strategies to migrate away from legacy systems and implement modern solutions• Inspiring and mentoring IT and OT teams to thrive during change• Managing … budgets, technology investments, and vendor relationships About you You will have a proven track record managing complex IT and OT environments in secure or regulated sectors, with a strong background in systems transformation and cybersecurity. You are both a strategic leader and a hands-on problem solver, confident working with legacy technologies while driving modernisation. To be successful, you More ❯
secure and scalable solutions Your skills and experiences: Essential Possess a broad and comprehensive technical knowledge of IT infrastructure and technologies, with proven specialism in OperationalTechnology (OT) and engineering systems Demonstrate an excellent understanding of government and industry-standard security policies, standards, and best practice guidance, particularly within highly regulated environments Bring hands-on experience of working More ❯
Your new role Responsible for the adoption and use of information and digital technology, you will be part of a team that is responsible for the effective operation, support, and maintenance of existing operationaltechnology systems, including technology infrastructure (e.g. servers, databases, networks) and end-user devices (e.g. desktop PC's, smartphones, tablets). You will … knowledge: Cloud Networking Skills (AWS or Azure) HP/Aruba switches knowledge essential Fortinet/Firewalls/migration experience essential Routing/Switching and Firewall Expertise ITIL understanding Network technology and telephony expertise Must have proven experience and ability to: Manage and support a variety of network services technology Maintain standards for security of information Dealing and responding More ❯
touch with at UKI.recruitment@tcs.com or call TCS London Office number 02031552100/+44 204 520 2575 with the subject line: “Application Support Request”. Role: Lead Security Architect (OT) network Job Type: Permanent Location: Leamington/Gaydon Mode of Working: (Hybrid-3 days WFO) Are you ready to leverage your skills in security architecture? Join us as a Lead … Security Architect (OT) network! Careers at TCS: It means more TCS is a purpose-led transformation company, built on belief. We do not just help businesses to transform through technology. We support them in making a meaningful difference to the people and communities they serve - our clients include some of the biggest brands in the UK and worldwide. For you … stakeholders. Gain access to endless learning opportunities. Work closely with the range of teams within the business to bring products to life. The Role: As a Lead Security Architect (OT) network , you will define and implement the Security Architecture strategy for Networks, working closely with the Networks team and the wider IT team and Business stakeholders. Your will be an More ❯