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# Principal Systems Engineer

- **Company:** Tec Partners
- **Location:** London, UK
- **Salary:** £60,000.0 - £72,000.0
- **Contract:** Permanent contract
- **Skills:** Software Engineering, SC Clearance
- **Published:** October 6, 2026
- **Apply:** https://www.tecpartners.co.uk/careers/32076/index2/Principal-Systems-Engineer-Permanent-London

## About the Role

* Degree qualified in Systems Engineering, Electrical Engineering, Software Engineering or a similar discipline
 * Previous experience within defence, aerospace, maritime or another regulated engineering sector
 * Strong understanding of systems engineering principles including requirements management, integration and verification
 * Experience with control systems, PLC/SCADA or operational technology environments
 * Familiarity with model-based engineering tools such as Enterprise Architect
 * Experience using requirements management tools such as DOORS
 * Strong communication and stakeholder management skills
 * Understanding of safety-critical or environmentally regulated systems

Desirable Experience

 * Exposure to verification and validation activities including EMC or environmental testing
 * INCOSE accreditation or similar professional recognition, Due to the nature of the projects involved, applicants must be UK Citizens and eligible to obtain UK Security Clearance.

## Description

The successful candidate will play a key role in delivering systems engineering activities across the full project lifecycle, from early requirements capture through to integration, validation and final delivery.

Working closely with cross-functional engineering teams, you will help ensure technical solutions are delivered to the highest standards of quality, compliance and performance., * Deliver systems engineering activities across multiple project phases

 * Produce, review and maintain technical documentation and specifications
 * Support major design reviews and engineering assurance activities
 * Work with internal teams and external suppliers to ensure technical alignment and delivery
 * Review technical requirements and provide engineering input throughout programme execution
 * Collaborate with software, hardware, safety, verification and integration teams
 * Contribute to technical planning, risk management and project estimation activities
 * Ensure solutions are delivered in line with programme schedules, quality standards and customer expectations