> Markdown version of [/jobs/ext/2667738-test-lead](https://www.wearedevelopers.com/jobs/ext/2667738-test-lead). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Test Lead

- **Company:** Investigo Limited
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Backup Devices, Cyber Security, Software Design Documents, Firmware, Supervisory Control and Data Acquisition (SCADA), Networking Hardware, Network Architecture, Requirements Traceability, Software Requirements Analysis, Test Management
- **Published:** September 2, 2026
- **Apply:** https://www.careerboard.com/pt/en/find-jobs-in-United-Kingdom/-A77AE66D73E0995972/

## About the Role

* Test 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.

Desirable

 * Framework 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).

## Description

You'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., * Author 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.


## Related Videos

- [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure)
- [Playing Pong on a shoulder press machine](https://www.wearedevelopers.com/videos/100140-playing-pong-on-a-shoulder-press-machine)
- [Hate organising your photos? Try it with 5 Terabytes](https://www.wearedevelopers.com/videos/79-hate-organising-your-photos-try-it-with-5-terabytes)
- [Thinking Differently - How to Make Money from Cyber Attacks & Cheats](https://www.wearedevelopers.com/videos/745-thinking-differently-how-to-make-money-from-cyber-attacks-cheats)
- [SMART Test Automation - the experience of legacy transformation](https://www.wearedevelopers.com/videos/100215-smart-test-automation-the-experience-of-legacy-transformation)
- [Agent Smith Gets Hardware: Autonomous IoT Hacking From Debug Port to Cloud API](https://www.wearedevelopers.com/videos/100258-agent-smith-gets-hardware-autonomous-iot-hacking-from-debug-port-to-cloud-api)

## Related Articles

- [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools)
- [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again)
- [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)
- [What is a Test Plan: Guide to Test Planning](https://www.wearedevelopers.com/magazine/191-what-is-a-test-plan-guide-to-test-planning)
- [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)
- [IT Salaries in UK](https://www.wearedevelopers.com/magazine/288-it-salaries-in-uk)