Principal Software Engineer

Company: Matchtech (Fulfiment)
Apply for the Principal Software Engineer
Location: Cowes
Job Description:

Principal Software Engineer (Contract) – Naval Radar

BAE Systems (Defence Solutions)

|

Cowes, Isle of Wight

|

6 months

|

Inside IR35BAE Systems (Defence Solutions) is seeking an experienced

Principal Software Engineer

to support the development, maintenance and enhancement of

advanced naval radar systems

in service with the

Royal Navy . Based

full-time onsite in Cowes , you’ll provide technical leadership across the software lifecycle, working within a large, established engineering environment.

Key details

Location:

Cowes, Isle of Wight (full-time onsite)Contract length:

6 months initiallyIR35:

Inside IR35Rate:

£54.57/hour PAYE or £73.68 UmbrellaClearance/constraints:

BPSS + full SC required to start ,

UK Eyes Only , subject to

ITAR

What you’ll be doing

Designing and developing

software sub-system solutions

for naval radar productsProviding technical expertise across

requirements, design, implementation, test and verificationDeriving and maintaining

software requirements

from system requirements/baselinesProducing and maintaining

software designs

using high-level methodologies (UML essential)Leading/participating in

peer reviews ,

technical reviews , verification and approval of designsSupporting the replacement of

obsolete hardware/software

to maintain and enhance radar capabilityActing as a

technical lead

at sub-system level across multiple projects and productsMaintaining software to address

defects

and implement

new functionalitySupporting estimates and contributing to team development/mentoring

What we’re looking for

Strong experience across the

full software development lifecycleConsiderable experience in at least one

high-level programming language

( Ada95 desirable )UML (essential)

and structured design methodology experienceUnderstanding of software lifecycle models (e.g.,

Waterfall and Agile )Knowledge of relevant standards (e.g.,

ISO/IEC/IEEE 12207 )Solid understanding of

configuration management

and use of CM toolsStrong communication skills with the ability to

influence, guide and mentor

othersDegree in

Computer Science / Engineering

(or similar numerate discipline);

CEng

or working towards is beneficial

TPBN1_UKTJ…

Posted: October 24th, 2026