> Markdown version of [/jobs/ext/4592664-principal-systems-engineer](https://www.wearedevelopers.com/jobs/ext/4592664-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:** Sirius Analysis Limited - **Location:** Portsmouth, UK - **Salary:** £63,000.0 - £103,000.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, Requirements Management - **Published:** November 6, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5955667703 ## About the Role * We are seeking a Principal Consultant in Systems Engineering. * We are looking for someone with experience in consultancy and customer-facing delivery. * We need strong capability in requirements management and modelling. * We value candidates who can work effectively in a rapidly growing, client-focused environment. * We are looking for someone with the ability to understand and meet customer requirements effectively. ## Description * We will expect you to deliver high-quality, end-to-end consultancy services. * You will manage requirements and support modelling activities. * You will work closely with customers to understand their needs and translate them into effective solutions. * You will contribute to systems engineering consultancy delivery across client engagements. * You will help us maintain our reputation for quality and responsiveness.