Technical Support & Sustainment Engineer

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At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. 

Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

Help keep mission-critical systems performing where they matter most.

Raytheon UK is looking for a hands-on Technical Support & Sustainment Engineer to join our team in Malvern, supporting complex IT systems used in defense, national security, and other critical environments.

This is a varied role for someone who enjoys getting under the bonnet of technology: building systems, testing upgrades, solving problems, supporting customers, and travelling to sites in the UK and overseas when needed.

You will work across the full lifecycle of secure, multi-server and multi-client systems, from build and configuration through to testing, deployment, sustainment, and upgrade. If you enjoy combining technical depth with real-world impact, this role gives you plenty of room to grow.

What You Will Do

You will provide technical support and sustainment for deployed systems, helping ensure they continue to perform reliably and in line with company processes, procedures, and quality standards, including support for AS9100 accreditation.

You will support programs during the build phase of complex systems, including hardware assembly, software installation, and system configuration.

You will plan and carry out testing on newly built and upgraded systems, including Integration Testing, Factory Acceptance Testing and System Acceptance Testing.

You will provide office-based technical support to customers by phone and email, with occasional out-of-hours support by prior arrangement.

You will travel within the UK and overseas to deliver, commission, upgrade, diagnose and resolve issues on systems originally built in Malvern.

You will work across a broad technology stack, including Microsoft products, Linux distributions, Active Directory, certificates, networking, storage solutions, and virtualisation.

You will maintain locally held replicas of customer systems, using them for troubleshooting, upgrade testing, and issue resolution.

You will demonstrate software and systems to internal and external customers, while contributing to continuous improvement and lean activities.

What You Will Learn

You will build deep, practical experience across a wide range of technologies, including Microsoft and Linux platforms, networking, storage, virtualisation, Active Directory, and certificate management.

You will learn how complex, secure, multi-server systems are built, tested, deployed, and sustained throughout their lifecycle.

You will gain exposure to UK and international customer environments, seeing how systems are used operationally and how best to support them.

You will develop your skills in system testing, troubleshooting, and root cause analysis on live and replicated customer systems.

You will strengthen your communication and stakeholder management skills through regular engagement with internal teams and external customers.

What You Will Bring

We are looking for someone with experience in IT systems, system administration, technical support, or a similar technical environment.

You will have familiarity with setting up, configuring, and maintaining systems involving multiple servers and clients.

You will bring a basic understanding of Microsoft technologies, Linux systems and infrastructure concepts such as networking, storage, and virtualisation.

You will be comfortable solving technical problems independently, including when travelling or supporting customers abroad.

You will have strong written and verbal communication skills, with the ability to build effective relationships with colleagues, customers, and technical teams.

You must be willing and able to travel within the UK and overseas and occasionally provide out-of-hours support with prior notice.

You must be able to obtain and maintain the relevant UK security clearance required for the role, SC at a minimum.

It Would Be Great If You Also Have

Experience with Red Hat Enterprise Linux.

Experience working in defense, aerospace or another regulated, mission-critical environment.

Experience supporting customer-facing systems and providing remote technical support.

Familiarity with formal test stages such as Integration Testing, FAT and SAT.

Experience participating in technical reviews, Engineering Review Boards or Design Reviews.

A full UK driving license.

Why Join Us?

This is a role with variety, visibility, and purpose. One week you could be working in the lab in Malvern, the next supporting a customer site, testing an upgrade, or helping resolve a complex technical issue.

You will join a team that works at the sharp edge of system sustainment, where technical quality, reliability and customer trust are essential.

At Raytheon UK, you will be part of a wider RTX organisation with access to expert colleagues, learning opportunities and the chance to contribute to technology that supports national security and mission success.

About Raytheon UK

Raytheon UK delivers innovative, high-integrity solutions across defense, national security, and other critical domains. We combine advanced technology, robust engineering and long-term support to help customers complete their most complex missions.

As part of RTX, one of the world’s largest aerospace and defense companies, we bring together engineering expertise, global capability, and a shared commitment to helping create a safer, more secure world.

Role Type

This role is classified as Onsite.

You will be based primarily at our Malvern office, working closely with the PDS (Post Design Support) team and lab-based systems. Regular travel to customer sites in the UK and overseas will be required depending on program needs.

What we offer

Attractive compensation package
Private Medical Insurance
Fantastic pension scheme
Life Assurance and Group Income Protection Scheme participation
25 days annual leave plus public holidays, with the option to buy or sell up to 5 days each year
Flexible working
Employee Discounts and Flexible Benefits platform
Support with professional fees
Employee Assistance Programme (EAP)
And much more

Apply Now

If you are a practical, curious, and customer-focused technical professional who enjoys solving problems, supporting complex systems and working in mission-critical environments, we would love to hear from you.

Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as:

Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.]

Hybrid: Employees who are working in Hybrid roles will work regularly both onsite and offsite. Ratio of time working onsite will be determined in partnership with your leader.

Remote: Employees who are working in Remote roles will work primarily offsite (from home). If you live within a reasonable commute of an RTX site with other colleagues you interact with, your manager will discuss whether there is a degree of onsite presence associated with this role.

Candidates will learn more about role type and current site status throughout the recruiting process. For onsite and hybrid roles, commuting to and from the assigned site is the employee’s personal responsibility.

Requires advanced knowledge of work area typically obtained through advanced education combined with experience. May have practical knowledge of project
management. Practical to substantial knowledge of RTX projects, programs or systems with the ability to make enhancements and leverage in daily work.

Typically requires: A University Degree or equivalent experience and minimum 5 years prior relevant experience, or An Advanced Degree in a related field and minimum 3 years experience

Engineering/Other Technical Positions: Typically requires a degree in Science,Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience unless prohibited by local laws/regulations.

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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