> Markdown version of [/jobs/ext/3977803-principal-systems-engineer](https://www.wearedevelopers.com/jobs/ext/3977803-principal-systems-engineer). 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). --- # Principal Systems Engineer - **Company:** High Wycombe - **Location:** High Wycombe, UK - **Contract:** Permanent contract - **Skills:** LTE (Telecommunication), Systems Engineering, Configuration Management, Modems, Polarion - **Published:** October 28, 2026 - **Apply:** https://www.apply4u.co.uk/jobs/principal-systems-engineer/53964084 ## About the Role * Strong systems engineering experience across requirements, verification, validation and configuration control. * Use of Polarion (would be highly advantageous) * Experience of defence, avionics , radio products or airborne systems * Systems Engineering experience across LTE, Datalinks or Modems * Proven experience delivering engineering work packages and supporting qualification activities. * Excellent stakeholder management, problem-solving and technical leadership skills. * Engineering degree or equivalent relevant experience. ## Description Copello Global are seeking a proactive Project Engineer / Systems Lead to support a major avionics radio communications programme as it enters the qualification phase. The role will be joining an existing project team on an initial 6 month contract. You'll take ownership of engineering work packages, lead qualification activities, coordinate cross-functional teams and drive technical issues through to resolution. You'll also support design reviews, manage engineering changes and ensure compliance with technical, quality and regulatory requirements.