17 of 17 Operational Technology Jobs in the City of London

have a technical mindset and understand core security components, their principles: systems and networks, security devices (firewalls, AV/EDR, VPN...), cloud (AWS, Azure, Google...) Familiarity with industrial/OT environments (SCADA, ICS...) is a plus – it's our specialty (and if not, we’ll train you!) You master risk analysis methodologies (ISO 27005, EBIOS RM). Even better if More ❯

that balances secure-by-design principles with practical delivery across cloud, on-prem, and SaaS estates. KEY RESPONSIBILITIES Set & evolve enterprise security architecture (reference models, standards, patterns) covering IT, OT and hybrid-cloud environments that collect, process and trade renewable-generation data Embed security & privacy requirements into solution designs, CI/CD pipelines and infrastructure as code, working closely with … technical risk assessments, and STRIDE/PASTA analyses for new solar-plant builds, grid integration projects and SaaS platforms Act as lead architect on secure network topologies (IT/OT segmentation, zero-trust, IEC 62443 zones) in partnership with Network & Security Engineers Define IAM, encryption-at-rest/in-transit, secrets management and key-management standards aligned with ISO … SaaS) Working familiarity with offensive-security/ethical-hacking techniques; able to think like an attacker, interpret red-team reports and translate findings into architectural controls Strong grasp of OT protocols (Modbus/TCP, IEC 61850, DNP3) and SCADA/RTU architectures Excellent stakeholder skills; proven record partnering with Data Protection Officer, Risk and Compliance, Security Operations. CISSP, CISM, SABSA More ❯

will give the successful candidate to play a key technical role working on a global basis. We are seeking candidates with experience of the Microsoft Security Stack, and ideally OT security experience, although the OT experience can be picked up with training offered. This is an all-rounder role, which whilst it will have a technical focus, will also encompass … and liaison with the SOC provider Threat hunting using proactive methods Vulnerability management (tenable is tool used) and patching Security policy, compliance, and user awareness in relation to the OT\ SCADA systems Incident investigation and documentation Utilisation of the Microsoft Security Stack – Azure Sentinel, Defender, Purview In order to be suitable you will need the following background: 3+ years’ experience … Network firewalls - exposure to Fortinet, Cisco FirePower and Cisco Meraki desirable Some knowledge of technical security frameworks – ISO27001, NIST, SOC2 with experience of compliance related work Any knowledge of OT/SCADA security including the IEC 62443 OT security standard highly desirable Any Microsoft or wider security certifications desirable The role is based in the Central London Head office with More ❯

will give the successful candidate to play a key technical role working on a global basis. We are seeking candidates with experience of the Microsoft Security Stack, and ideally OT security experience, although the OT experience can be picked up with training offered. This is an all-rounder role, which whilst it will have a technical focus, will also encompass … and liaison with the SOC provider Threat hunting using proactive methods Vulnerability management (tenable is tool used) and patching Security policy, compliance, and user awareness in relation to the OT SCADA systems Incident investigation and documentation Utilisation of the Microsoft Security Stack – Azure Sentinel, Defender, Purview In order to be suitable you will need the following background: 3+ years’ experience … Network firewalls - exposure to Fortinet, Cisco FirePower and Cisco Meraki desirable Some knowledge of technical security frameworks – ISO27001, NIST, SOC2 with experience of compliance related work Any knowledge of OT/SCADA security including the IEC 62443 OT security standard highly desirable Any Microsoft or wider security certifications desirable The role is based in the Central London Head office with More ❯

IAM Architect | Hybrid - London | 500$ p/d USD | Immediate Start We are seeking an identity and access management (IAM) architect our architecture team to deliver a modern technology stack enhancing Cyber protection, speed future changes and remove Cyber EOSL. The role will be accountable to provide solution design support for IAM. Duration: 6 Months Rate: 500$ p/… and communicate technical information into business language Preferred Skills Extensive Pharma manufacturing operations technology experience. Demonstrated initiative, strong customer orientation, and cross-cultural working Able to work across OT and IT including understanding networks and architecture. Proactive, strong problem-solving skills and can do attitude. Able to manage multiple, potentially conflicting, priorities in parallel in a fast-paced environment More ❯

Microsoft Sentinel and Defender . You'll support the organisation’s security operations by deploying and managing monitoring tools, responding to threats, and enhancing infrastructure protection across IT and OT environments. Key Responsibilities: Deploying and optimising Microsoft Sentinel and Microsoft Defender Monitoring alerts, investigating incidents, and supporting response efforts Managing core security infrastructure including firewalls, antivirus, encryption, and cloud platforms More ❯

Microsoft Sentinel and Defender . You'll support the organisation’s security operations by deploying and managing monitoring tools, responding to threats, and enhancing infrastructure protection across IT and OT environments. Key Responsibilities: Deploying and optimising Microsoft Sentinel and Microsoft Defender Monitoring alerts, investigating incidents, and supporting response efforts Managing core security infrastructure including firewalls, antivirus, encryption, and cloud platforms More ❯

are optimised to improve operational efficiencies, whilst maintaining compliance. Our specialist engineering teams have the aptitude to deliver and support Pharma 4.0 architectures and solutions covering all IT, OT and IoT applications, infrastructures and services. About the Role We are seeking a Lead Business Analyst with 10 to 12 years of experience in Business Analysis and Planning. The ideal … does not require travel. Responsibilities Lead the analysis and planning of business requirements to ensure alignment with organizational goals. Oversee the development and implementation of business strategies to enhance operational efficiency. Provide expert guidance on regulatory compliance to ensure adherence to industry standards. Collaborate with cross-functional teams to gather and document business requirements. Conduct thorough analysis of business More ❯

assessments and vulnerability analyses. Stay updated on security threats and regulatory changes. Design cybersecurity frameworks to protect operational systems and data. Oversee security for IT infrastructure, ICS, and OT systems. Manage Microsoft Office 365 security and compliance tools. Administer security software solutions like EDR and email security. Integrate security protocols across departments. Establish incident response protocols and lead investigations. … in Security, Cybersecurity, IT, or related. Experience in energy, mining, chemicals, or manufacturing sectors. Knowledge of cybersecurity frameworks and regulations (NIST, ISO 27001, GDPR). Experience with ICS and OT security. Expertise in network security, encryption, IAM, and endpoint protection. Experience managing Microsoft Office 365 security & compliance panels. Experience with security solutions like EDR and email security. Proven incident response More ❯

Job Title: Paper And Pulp Manufacturing Domain Expert (MES/SCADA/OT Systems) Location: London Salary/Rate: Competitive Start Date: July 14th Job Type: Contract 3 month initial We are seeking an experienced Manufacturing Domain Expert with deep expertise in the Paper and Pulp industry and a strong background in MES, SCADA, and OT systems. The ideal candidate … overall experience. Job Responsibilities/Objectives Leverage strong domain expertise in Paper and Pulp manufacturing operations Support the design, deployment, and optimization of MES and SCADA systems Collaborate with OT/IT teams to integrate shop-floor and enterprise systems Analyze production and process data to enhance quality and efficiency Translate mill operational needs into technical specifications and solutions … industry standards Drive digitalization and Industry 4.0 initiatives across mill operations Required Skills/Experience Deep knowledge of paper and pulp manufacturing Expertise in MES and SCADA systems Strong OT systems integration experience If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer Notwithstanding any guidelines given to level More ❯

We’re seeking an experienced Cyber Security Specialist with a strong background in Operational Technology (OT) and Industrial Control Systems (ICS) to play a key role in enhancing cyber resilience across critical environments. This is an exciting opportunity for someone who understands the unique challenges of securing complex, real-world industrial systems and wants to drive meaningful impact … across engineering, operations, and security functions. Key Responsibilities: Develop and implement OT/ICS cybersecurity practices across critical infrastructure Identify, assess, and support remediation of vulnerabilities within OT environments Collaborate with engineering, operations, and IT teams to embed cyber resilience Support compliance with relevant frameworks and standards (IEC 62443, NIS, OG86, CAF, etc.) Monitor and improve security controls, networks, and … Contribute to policy development, governance, and security awareness initiatives Engage with third parties and suppliers to ensure aligned security expectations What We’re Looking For: Proven experience in securing OT, ICS, or industrial environments Strong understanding of cybersecurity principles, risk, and network security Ability to work effectively across technical and non-technical teams Familiarity with industry regulations and standards (IEC More ❯

Vulnerability Analyst - OT £55,000 - £64,000 Hybrid - 2 days per week in either Horley/Portsmouth/Edinburgh office depending on location We are looking for a brilliant Vulnerability Analyst to join a constantly growing UK utilities company as they embark on a 5 year long transformation of their Cyber Security team while they help revolutionise the UK energy … Infrastructure provider, Information Security is an integral part of their business operation, so this role is critical to the business. Within this role, you will be responsible for the OT vulnerabilities across the organisation’s estate. You will triage, assess, and prioritise identified security vulnerabilities, ensuring mitigating controls are identified and implemented where necessary. You will support security assessments and … cyber exercises that identify security vulnerabilities, while tracking remediation, risks, and exceptions. We are looking for an individual that has: Must have 2 years’ cyber security experience within an OT environment with strong OT/ICS knowledge about products, architectures and workflows. Experience or knowledge of vulnerability management tools such as Qualys, Nessus, etc. Good understanding of Cyber Assurance Framework More ❯

and Linux systems Ability to work through legacy systems, unpatched software, and environments with technical debt Desirable Skills Python scripting or automation experience Understanding of Operational Technology (OT) networks Familiarity with internal infrastructure exploitation tools Certifications (preferred but not essential): CREST CTM, CTL, CSTM or Cyber Scheme Practitioner OSCP (current or lapsed) If you’re an experienced infrastructure More ❯

or CREST/Cyber Scheme qualifications. Brings specialist knowledge in one or more areas of penetration testing – this could include mobile app security, cloud environments, operational technology (OT), or specific sectors such as telecommunications, defence, or maritime. Demonstrates a strong desire to contribute to the growth of the team – whether by supporting internal training initiatives, enhancing infrastructure and More ❯

organisation’s external profile Candidate Profile Demonstrable experience within a Consultancy environment leading major cyber or transformation programmes within regulated CNI sectors (e.g. utilities, energy, transport) Strong understanding of OT environments and their unique security challenges, including legacy systems and frameworks like CAF, IEC 62443, or NIST 800-82 Familiarity with sector-specific compliance and regulatory reporting requirements. Proven leadership More ❯

Our client are leading the way in energy delivery and are looking to add to their talented security team. Key Responsibilities: OT Security & Vulnerability Management: Hands-on involvement in OT vulnerabilities, discovery, and security assessments . Test Lab Involvement: Contribute to the development of two security test labs for OT systems. Security Risk & Compliance: Work with security frameworks (NCSC, ISO … standards, ICS security) and maintain compliance. Network & Workstation Security: Support OT security architecture, network security, and cyber resilience initiatives . Tool & Process Improvement: Identify and implement vulnerability tracking tools and work closely with engineers on daily checks and reporting . Reporting & Communication: Provide structured updates to the Information Security & Vulnerability Manager. ensuring clear progress tracking. Ideal Candidate Profile: Experience: 2+ … years in OT security and vulnerability management . Technical Skills: Hands-on experience with GIEC Enterprise Assessor, GIRA, TIA + Security+, CCNA, ICS security, SCADA. Soft Skills: Self-managed and proactive , capable of planning ahead. Strong under pressure and not afraid to ask questions. Clear communicator —able to provide structured updates and engage with teams. Growth Mindset: Invested in the More ❯

Penetration Tester - Infrastructure/OT (Consultancy | Mostly Remote | Not for Beginners) Right. Let’s skip the fluff. One of our consultancy clients needs an experienced Infrastructure Pen Tester. Not someone who wants to be a Pen Tester. Not someone halfway through their OSCP. Someone who's been there, and got some of the battle scars already. They work with clients … in Operational Technology (OT) - that’s industrial control systems, manufacturing kit, and the sort of environments where “turning it off and on again” could cost millions. So yeah, it’s not your average test. The Job (in plain English): You’ll be testing infrastructure - manually. No Web App fluff, no clicking “scan” in a tool and writing up … you can figure things out without someone holding your hand. What You Actually Need: Hands-on experience with infrastructure pen testing - and we mean proper hands-on. Experience in OT environments - You’ve been there, done that, ideally not blown anything up. Brains - Able to look at a scope, figure it out, and adapt when things inevitably go sideways. Coding More ❯