Principal Software Engineer at RTX in Manchester, Lancashire
- Company: RTX
- Location: Manchester, Lancashire
- Posted: Sep 18, 2026
- Type: Full-time
- Experience: 10+ years
Overview
Location: Manchester Permanent Onsite/Hybrid (min 3 days a week on site) Due to the interesting work we do and the sector this team is working in, we require all candidates to be willing and eligible to hold SC and eDV clearance.
Job description
- Location: Manchester
- Permanent
- Onsite/Hybrid (min 3 days a week on site)
- Due to the interesting work we do and the sector this team is working in, we require all candidates to be willing and eligible to hold SC and eDV clearance.
Responsibilities
- Design and build software using industry best practice
- Collaborate with stakeholders and other engineers
- Contribute to the completion of milestones associated with your project
- Contribute to continuous improvement within your team
- Collaborate with your peers on technical direction within your team
Requirements
- Core Software Engineering such as: JavaScript frameworks (React, NextJS), TypeScript, Python or Java
- REST API development / OpenAPI / Swagger
- Cloud services (AWS or Azure)
- Containerisation & Orchestration (Docker, Kubernetes, OpenShift)
- Infrastructure as Code (Terraform, Ansible)
- Relational Databases (e.g. PostgreSQL)
- Elasticsearch / Opensearch
- Unit testing and automation / Testing frameworks (e.g. Mocha, Jest, Cypress)
- Experience working in an Agile delivery team
- We appreciate you may not be an expert in every area above - we can support with training and development in some areas! Please do make an application and we will identify where we can best support your growth specific to your application.
Skills
Required
- JavaScript frameworks (React, NextJS)
- TypeScript
- Python
- Java
- REST API development / OpenAPI / Swagger
- Cloud services (AWS or Azure)
- Relational Databases (e.g. PostgreSQL)
- Elasticsearch / Opensearch
- Agile delivery
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
About RTX
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. Our National Security Cyber business delivers mission-critical solutions that safeguard our national security 24 hours a day, seven days a week. Working in a mature, agile environment, our SCRUM teams work synchronously with our customers to solve some of the toughest digital challenges faced in the world today.