Lead Software Engineer

Date Posted:

2026-11-03

 Country:

United Kingdom

 Location:

Winnersh, Wokingham

 Position Role Type:

Hybrid

Lead Software Engineer

Permanent

Winnersh

Benefits:

• £: Competitive salary
• Contributory Pension Scheme (up to 10.5% company contribution)
• 6 times salary ‘Life Assurance’ with pension
• 25 days holiday (increasing with service) + statutory public holidays, plus opportunity to buy and sell up to 5 days (37hr)
• Company bonus scheme (discretionary)
• Flexible Benefits scheme with extensive salary sacrifice schemes, including Health Cashplan, Dental, and Cycle to Work amongst others
• Enhanced sick pay
• Enhanced family friendly policies including enhanced maternity, paternity & shared parental leave

Work Culture

• 37hr working week, although hours may vary depending on role, job requirement or site-specific arrangements.
• Early 1.30pm finish Friday, start your weekend early!
• Remote, hybrid and site based working opportunities, dependant on your needs and the requirements of the role.
• Up to 5 paid days volunteering each year.
• Flexible working culture focused on output, with more formal flexible working arrangements on request (assessed subject to role) - please highlight any requests to the Talent Acquisition team.

About us

At Raytheon UK, we take immense pride in being a leader in defence and aerospace technology. As an employer, we are dedicated to fuelling innovation, nurturing talent, and fostering a culture of excellence.

As a leading defence and aerospace company operating across the United Kingdom, Raytheon UK helps to solve our customers’ toughest challenges. We are a major supplier to the UK government and customers around the globe, providing defence solutions across all domains: land, sea, air, space, and cyberspace. We also provide digital and training transformation solutions to commercial and military customers.

With circa 2000 employees and major facilities operating throughout the UK including Broughton (Wales), Livingston and Glenrothes (Scotland), and Harlow, Gloucester, and Manchester (England); we are committed to investing in British careers and technology development.

Through advanced technology and our people’s expertise, our Training Transformation Services is modernising what’s possible in the training and preparation of our armed forces. With a real blended approach to learning and using the latest innovative systems and technology, we ensure our service men and women really are prepared for any situation.

Role & Responsibilities

This role is based within the Training Transformation business unit, who provide training systems and simulators to the whole of the UK armed forces. The initial project will be within the Submarine Training simulation & emulation team. The software engineer is responsible for the design, delivery and integration of innovative and high-quality software products within an Agile software delivery team.

This is an opportunity to innovate and try new things; to fearlessly challenge and question; to learn and progress in an inclusive and supportive culture; to be rewarded for the vital contribution you make.

This project requires the managed integration and delivery of a complex device, consisting of hardware, software and courseware components, interacting with multiple stakeholders from suppliers (who may be within Raytheon UK, or external) to the customer and end-users within UK MOD and is key to the success of the integration activity.

You will achieve this through working as a multi-disciplined team to deliver innovative and high value software products, to achieve the desired business synergies and value realisation.

Personnel assigned to this role possess the basic knowledge, skills and experience but the organization desires the following additional knowledge, skills or experience:

Responsibilities

• Design, build and run code using industry best practice. You will help in defining the evolvement of best practice and in the supporting of estimation activities.
• Contribute to the completion of features within the product roadmap. Your decisions will be of significant value and will contribute to the overall success of the programme
• Perform first line peer reviews and provide direction and guidance around the review
• Contribute to the continuous improvement of practice and code within the team
• Provide technical direction within the team
• Design and develop new product functionality
• Contribute and produce test artefacts including unit tests and integration tests that will form part of the continuous delivery mechanism

Required experience

• Strong experience of working and delivering in high level languages such as C#, Java or C++.
• Experience of using development lifecycle tools such as GitLab or the Atlassian suite.
• Experience working on classified security classifications and delivery of solutions to gov/defence customers
• Ability to quickly form effective working relationships with all stakeholders required.
• Configuration management processes and systems.

Desirable experience

• Experience of Python scripting
• Knowledge of GUI toolkits such as React, WPF etc
• Knowledge of Secure by Design (SbD) principles.
• Experience building enterprise level applications or services
• Experience of working in a simulation and/or training environment
• Experience using TDD, BDD and working understanding of SOLID, DevOps or DevSecOps principles
• Experience of working and delivering within an Agile software delivery team

RTX adheres to the principles of equal employment. All qualified applications will be given careful consideration without regard to ethnicity, color, religion, gender, sexual orientation or identity, national origin, age, disability, protected veteran status or any other characteristic protected by law.

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RTX adheres to the principles of equal employment. All qualified applications will be given careful consideration without regard to ethnicity, color, religion, gender, sexual orientation or identity, national origin, age, disability, protected veteran status or any other characteristic protected by law.

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