Principal Software Engineer

Company: Sirius Digital Services

Location: Portsmouth

Posted: May 1st, 2026

Principal Software Engineer

Salary: Negotiable plus benefits, pension (7% contribution), 25 days holiday & life insurance


We are looking for principal software engineers with diverse experience.


We are a small but rapidly growing consultancy, owned highly experienced and recognised practitioners in UK defence consultancy. We are looking for candidates with a mix of technical expertise and interpersonal skills, able to work independently and in small teams.


The Role:

As a Principal Software Engineer, you will play a major role in leading and developing software engineering in the Software Modelling and Simulation, autonomy and geospatial fields, along with providing key advice around innovation and new techniques to stakeholders.You will be designing solutions for complex challenges that will meet and exceed user requirements.


Responsibilities will include:



Expertise Required:


About You:

We are looking for candidates who can help the company grow and can offer exciting opportunities for those with the drive to develop their own skills and those of the company. We offer competitive salaries and packages, and the opportunity for rapid advancement for the right candidates.


The successful candidate must be able to demonstrate the following attributes:


Essential


Desirable:



Other Requirements:

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