Test Lead in London

Reference: BH-236483Test Lead – OT / Infrastructure & networks I’m looking for an experienced Test Lead for a Cyber Resilience Programme at a major UK electricity distribution network operator. This is an OT-predominant test governance and assurance role: planning and co-ordinating the testing of software upgrades to network device infrastructure before they reach production, and producing the artefacts that evidence a proposed solution is suitable, proportionate and safe to deploy.The roleYou'll own test planning and assurance across upgrades to OT/network infrastructure, working alongside existing programme delivery leads and cyber security SMEs to make sure changes are proven before release.Key responsibilitiesAuthor written test plans covering scope, scheduling, resources and success criteria, working with programme delivery leads.Review solution design documents and threat-modelling reports, and map them to a clear set of system requirements.Liaise with cyber security SMEs to define and document test cases that verify those requirements.Create and maintain the supporting artefacts for test exit and sign-off — test reporting, defect tracking, traceability and evidence.Produce assurance artefacts that evidence the suitability and proportionality of the proposed technical solution / risk reduction.The programme is OT-focused, weighted toward three domains: logging & monitoring, physical security, and backups.Essential experienceTest lead / test management background with strong test governance and assurance discipline — strategy, planning, requirements traceability, defect management, exit and sign-off.Genuine OT / ICS / SCADA exposure — ideally utilities, energy or another CNI/safety-critical environment.Ability to read solution designs and threat models and derive proportionate, requirements-mapped test cases.Strong written communication — the role produces documentation and evidence relied on for release decisions.A self-starter comfortable engaging both technical and non-technical stakeholders.DesirableFramework literacy: IEC 62443, NIS / CAF, NCSC guidance.Certifications such as GICSP, IEC 62443, ISTQB (Advanced Test Manager welcome).Direct electricity distribution / network operator experience.Testing of network device infrastructure upgrades (firmware, configuration, resilience/failover).