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Principal Systems Engineer

Remote / Online - Candidates ideally in
Stockport, Greater Manchester, SK1, England, UK
Listing for: Thales
Part Time, Remote/Work from Home position
Listed on 2025-11-21
Job specializations:
  • Engineering
    Systems Engineer, Electrical Engineering, Engineering Design & Technologists
Job Description & How to Apply Below

Principal Systems Engineer

Location:

Cheadle, United Kingdom

Thales people provide armed forces customers with operational advantage at every decisive moment throughout the mission. Defence and armed forces customers rely on us to deliver the full range of defence mission systems solutions at land, sea, and air. Our platforms extend across the battlespace including Above and Sonar, Electronic Combat, and Intelligence, Surveillance and Reconnaissance systems. At Thales UK we research, develop, and supply technology and services that impact the lives of millions of people each day to make life better and keep us safer.

We innovate across the major industries of Aerospace, Defence, Security and Space. Your health and well-being matters to us and that’s why we offer you the flexibility to do what’s important to you; whether that’s part time hours, job sharing, home working, or the ability to flex your start and finish times. Where possible we support a working pattern that suits your lifestyle and helps you reach your ambitions.

Primary Purpose of the Role: Manage the Systems Engineering Process to company and international standards for a major project, including providing team management and direction to engineers through requirements management, design, implementation and validation until delivery of the system. Provide systems engineering decision authority.

Principal Relationships
  • Engineers at all levels
  • Bid team members
  • Project team members
  • Testing team members
  • Installation team members
  • Project Planners
  • Sales and Marketing
  • Supply Chain
  • Commercial
  • Major Stakeholders / Client
Key Responsibilities and Tasks
  • Develop and manage requirements specifications at both the system and subsystem levels.
  • Demonstrate a solid understanding of the development lifecycle and lifecycle products.
  • Interface with clients to define the content and format of test specifications.
  • Define and authorise test specifications.
  • Conduct impact analysis and manage variations.
  • Ensure compliance with customer requirements and resolve related issues.
  • Define and authorise design descriptions and verification requirements.
  • Provide technical advice to the Engineering Group Manager on technical matters and management issues pertinent to the Systems Engineering Group.
  • Offer technical direction and leadership to the Systems Engineering community.
  • Engage with key stakeholders effectively.
  • Establish and maintain a structured Systems Engineering process and activities.
  • Provide detailed technical specifications.
  • Offer assistance and guidance to Project Systems Engineers regarding their responsibilities and design decisions.
  • Prepare resource plans and budgets for the Systems Engineering Group, managing the budget to ensure project objectives are met within financial constraints.
  • Approve estimates for project activities and manage the Systems Engineering Group to ensure work is completed on time and within budget.
  • Develop and train Systems Engineering personnel to ensure a qualified staff is available to perform and lead the design and requirements development for projects and products, including acceptance requirements.
  • Represent the Systems Engineering Group on the change control committee, reviewing change proposals and approving Engineering Change Notices (ECNs) on behalf of the engineering department.
  • Stay informed of technical developments both within and outside of the company.
  • Identify training, development, and performance needs through the Annual Check-in and Development Check-in processes for the Systems Engineering community under your supervision.
  • Assist the Engineering Group Manager in strengthening the engineering capabilities of the team.
Key Performance Indicators
  • Financial performance of the System Engineering team under your control.
  • Timely delivery of team objectives, appraisals and development actions.
  • Quality of work produced against agreed standards.
  • Delivery to timescales.
  • Delivery to budget.
  • Performance against Thales key values.
Expected Competence Level

Skills:

  • Able to use a range of IT tools.
  • Has a sound ability to use System Engineering tools (e.g. DOORS, Polarion, MBSE, JIRA etc.).
  • Has knowledge of configuration control processes.
  • Can manage a complex…
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