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# V06639 - Principal Engineer - Software Engineering

- **Company:** BAE Systems
- **Location:** Barrow, UK
- **Experience:** Expert
- **Salary:** £104,000.0 - £139,360.0
- **Contract:** Temporary contract
- **Skills:** Software Applications, Configuration Management, System Configuration, Supervisory Control and Data Acquisition (SCADA), Software Configuration Management, Software Engineering, System Testing, Software Modules, Tia Portal, Control Logix PLC
- **Published:** October 19, 2026
- **Apply:** https://www.reed.co.uk/jobs/v06639-principal-engineer-software-engineering/57472690

## About the Role

We're looking for candidates with experience in software and equipment development, particularly within safety-critical control systems.
Relevant experience includes:

 * PLC and SCADA software development and configuration.
 * Siemens S7-1500 using TIA Portal.
 * WinCC OA SCADA.
 * Rockwell ControlLogix.
 * GE Mark VIeS PLC.
 * Trinity (Honeywell) iDefine modelling.

Experience within submarine, marine, nuclear, defence, pharmaceutical or other safety-critical control system environments would be highly beneficial., * Communication Skills (Key)

 * Engineering Knowledge
 * Health and Safety Principles
 * Infrastructure Management
 * Maintenance Activities
 * Mentoring Programs
 * Occupational Health & Safety (Workplace)
 * Problem Solving (Process)
 * Self-Motivation
 * Teamwork (Teams)

## Description

BAE Systems is looking for an experienced Principal Engineer to join its software engineering team at our Barrow site, supporting the delivery of the Dreadnought Class Submarine programme.

The Platform Management System (PMS) is a critical element of the submarine, providing central control and indication for vital onboard systems, including the reactor plant and secondary propulsion systems., * Design and develop safety-critical PLC and SCADA application software for the Dreadnought PMS.

 * Implement software for PLC and SCADA-based control systems.
 * Test safety-critical software modules before handover to the system testing team.
 * Configure software builds to support testing activities at all levels.
 * Manage software configuration and maintain appropriate configuration control.
 * Collaborate with engineering teams and external stakeholders to deliver technical solutions.
 * Provide technical leadership, guidance and mentoring to engineering colleagues.
 * Take responsibility for the delivery of engineering work packages, ensuring quality and technical requirements are met.