[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All RTX jobs](https://jobs.opennash.com/companies/rtx/) · [Search jobs](/search/) RTX # Senior Software Engineer Gloucester, South Gloucestershire Full-time Senior individual contributor Software Engineering Listed on RTX’s official careers site. Posted September 21, 2026. Check that it is still open and apply there. [Apply on RTX’s careers site →](https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/Gloucester-South-Gloucestershire/Senior-Software-Engineer_01827896-1) [OpenNash Jobs](https://jobs.opennash.com/) / [RTX](https://jobs.opennash.com/companies/rtx/) / Senior Software Engineer ## Job description ### Date Posted 2026-09-18 Country: United Kingdom Location: Gloucester, South Gloucestershire Position Role Type: Onsite Raytheon UK have a full time, perm opportunity for a Senior Software Engineer to join our specialist teams in Manchester, Gloucester or London working fully onsite. As Senior Software Engineer, you'll be part of our experienced Software Engineering function, working in a cross-functional team, delivering and deploying critical software across a variety of business areas. We have opportunities for Software Engineers at every level within a team, so we will discuss the great opportunities for development or challenges we offer based off your professional profile. Due to the interesting work we do and the sector this team is working in, we require all candidates to currently hold 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 ### Required Skills and Experience Full stack experience within an agile team building enterprise‑grade web applications or backend services Java development with Spring Boot Front‑end development using modern JavaScript frameworks (e.g., React, Vue) Experience with cloud platforms such as AWS or Azure Containerisation and orchestration using Docker and Kubernetes Infrastructure as Code (Terraform, Ansible or equivalent) Unit testing and test automation Use of code repositories (Git), including branching strategies, pull‑request workflows, and merge processes Experience with data visualisation tools or techniques 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. ### Benefits & Work Culture Benefits 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 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 Early 1.30pm finish Friday, start your weekend early! 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. Joining our team means being part of an organisation that shapes the future of national security whilst investing in your growth and personal development. We provide a collaborative environment, abundant opportunities for professional development, and a profound sense of purpose in what we do. Together, we are not just advancing technology; we're building a community committed to safeguarding a safer and more connected world. RTX Raytheon UK is a landed company and part of the wider RTX organisation. Headquartered in Arlington, Virginia, USA, but with over 180,000 employees globally across every continent, RTX provides advanced systems and services for commercial, military and government customers worldwide and comprises three industry-leading businesses – Collins Aerospace Systems, Pratt & Whitney, and Raytheon. Supporting over 35,000 jobs across 13 UK sites, RTX is helping to drive prosperity. Each year our work contributes over £2.7bn to the UK economy and offers a wealth of opportunities to 4,000 suppliers across England, Scotland, Wales and Northern Ireland. We’re investing in all corners of the country, supporting 29,040 jobs in England, 3,040 in Northern Ireland, 1,900 in Scotland and 1,600 in Wales. #LI-AS3 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. ### Privacy Policy and Terms Click on this link to read the Policy and Terms ## At a glance - Posted by the employer: Sep 21, 2026 - First seen by OpenNash: Oct 13, 2026 - Last checked: Oct 13, 2026 - Listed for: 22 days - Location: Gloucester, South Gloucestershire - Employment type: Full-time[Apply on RTX’s careers site →](https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/Gloucester-South-Gloucestershire/Senior-Software-Engineer_01827896-1) ## More jobs at RTX ### [Principal Software Engineer](https://jobs.opennash.com/companies/rtx/jobs/fe7341527b8c1d828ffb/) Gloucester, South Gloucestershire ## Similar jobs at other companies ### [Full Stack Software Engineer II and Senior Software Engineer- Microsoft Security - Multiple roles](https://jobs.opennash.com/companies/microsoft/jobs/ce8bde6800315a9405e1/) Microsoft · Israel, Multiple Locations ### [Lead Software Engineer, Software Defined Storage](https://jobs.opennash.com/companies/sandisk/jobs/82c3291c960f66baa772/) Sandisk ### [Staff Software Test Engineer/Software Test Lead](https://jobs.opennash.com/companies/thermo-fisher-scientific/jobs/457bdc55eab7538b5b89/) Thermo Fisher Scientific · Singapore ### [Staff Software Engineer – Host & Secure Compute Software - Cork, Ireland](https://jobs.opennash.com/companies/qualcomm/jobs/d5d830fb764fadb851b4/) Qualcomm · Cork, Ireland ### [Software Engineer, Software Development Engineering (Apps) 3-6 years - Artifactory](https://jobs.opennash.com/companies/sandisk/jobs/14f1b9e58a1e3e67456f/) Sandisk [Software Engineering jobs](/functions/software-engineering/) OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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