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Senior End User Services Engineer

Leidos
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Prestwick, SC 29575, USA
Sep 20, 2026

Senior End User Services Engineer

Location: Prestwick, Scotland

Clearance required: This role will require attainment and maintenance of SC clearance

Leidos is looking for a Senior End User Services Engineer to join our End User Services team, supporting a business-critical programme.

This is an excellent opportunity for an experienced IT support professional who enjoys solving complex technical challenges, improving services, and helping others develop. You'll provide advanced support across end-user technologies, act as an escalation point for technical issues, and work closely with teams across the organisation to deliver a high-quality user experience.

As a senior member of the team, you'll take ownership of complex incidents, contribute to technical improvements and change initiatives, and share your expertise by coaching and supporting colleagues.

What You'll Be Doing

  • Provide advanced 2nd and 3rd line support for end-user services.

  • Act as an escalation point for complex incidents and service requests.

  • Troubleshoot hardware, software, operating system and application issues.

  • Own technical issues through to successful resolution.

  • Support Windows 11 devices and Microsoft endpoint technologies.

  • Manage device configuration, software deployment and patching activities.

  • Support Microsoft 365, Active Directory and Group Policy services.

  • Investigate recurring issues and contribute to problem management activities.

  • Support technical changes, upgrades, deployments and service transitions.

  • Create and maintain technical documentation and knowledge articles.

  • Coach and mentor colleagues, sharing technical expertise and best practices.

  • Collaborate with Infrastructure, Security, Service Desk, Projects and Service Management teams.

  • Identify opportunities to improve service reliability, efficiency and user experience.

  • Support automation and continuous improvement initiatives.

  • Prioritise workloads effectively and work independently when required.

  • Communicate complex technical information clearly to different audiences.

  • Build strong stakeholder relationships and support programme delivery.

What We're Looking For

Essential Skills and Experience

  • Degree in IT, Computer Science, Engineering or a related field, or equivalent professional experience.

  • Experience in Desktop Support, End User Computing, or 2nd/3rd Line IT Support within an enterprise environment.

  • ITIL Foundation certification (or higher) and understanding of IT Service Management principles.

  • Strong troubleshooting, analytical and problem-solving skills.

  • Experience supporting Windows desktop environments, including Windows 11.

  • Experience supporting Microsoft 365 applications and services.

  • Knowledge of Active Directory and user/device management.

  • Experience with endpoint, software deployment or configuration management tools.

  • Understanding of desktop, laptop and mobile technologies.

  • Knowledge of networking fundamentals including DNS, DHCP and connectivity.

  • Experience managing complex technical incidents through to resolution.

  • Ability to manage multiple priorities while maintaining service quality.

  • Strong communication and stakeholder management skills.

  • Experience working collaboratively within technical teams.

  • Ability to coach and support less experienced colleagues.

  • Commitment to continuous learning and professional development.

  • Eligible to obtain and maintain UK SC Clearance.

Desirable Experience

  • Microsoft Configuration Manager (MECM/SCCM).

  • Microsoft Intune / Endpoint Manager administration.

  • Microsoft 365 administration.

  • Active Directory and Group Policy administration.

  • PowerShell scripting and automation.

  • Microsoft Azure and cloud-based end-user technologies.

  • Ivanti Configuration Manager, Environment Manager or Application Control.

  • ITSM platforms such as BMC Remedy or HaloITSM.

  • ITIL Practitioner or higher-level ITIL certifications.

  • Lean Six Sigma Yellow Belt (or equivalent continuous improvement experience).

  • Experience contributing to technical projects and change initiatives.

  • Service improvement and deployment experience.

  • Technical documentation and knowledge management.

  • Coaching and mentoring technical teams.

  • Windows Server administration knowledge.

  • Cisco wired and wireless networking environments.

  • Power BI or reporting and data visualisation tools.

  • AI and automation technologies within IT support environments.

What we do for you:
At Leidos we are PASSIONATE about customer success, UNITED as a team and INSPIRED to make a difference. We offer meaningful and engaging careers, a collaborative culture, and support for your career goals, all while nurturing a healthy work-life balance.


We provide an employment package that attracts, develops and retains only the best in talent. Our reward scheme includes:

  • Contributory Pension Scheme

  • Private Medical Insurance

  • 33 days Annual Leave (including public and privilege holidays)

  • Access to Flexible benefits (including life assurance, health schemes, gym memberships, annual buy and sell holidays and a cycle to work scheme and much more!)

  • Flexi-Time Working

Commitment to Diversity:

We welcome applications from every part of the community and are committed to a truly diverse and inclusive culture. We foster a sense of belonging, welcoming all perspectives and contributions, and providing equal access to opportunities and resources for everyone. If you have a disability or need any reasonable adjustments during the application and selection stages please let us know, and we will respond in a way that best fits your needs.

Who We Are:

Leidos UK & Europe - we work to make the world safer, healthier, and more efficient through technology, engineering and science.

Leidos is a growing company delivering innovative technology and solutions focused on safeguarding critical capabilities and transformation in frontline services, our work in the United Kingdom includes addressing some of the most complex problems in defence, healthcare, government, safety and security, and transportation.

What Makes Us Different:

Purpose: you can use your passion and abilities at Leidos to keep the people you care about safe. We are at the forefront of machine learning, AI, cyber security and solutions. Using your skills in the technology frontline by helping to build a safer world.  You can inspire change.

Collaboration: having flexibility to do your job is one of our core benefits, enabling you to become part of our extraordinary team.  We have been empowering our people to work flexibly for years.  Whether you work from home, the office or on customer sites, we will give you the digital tools and the flexibility to work smarter and align your needs and ours.          

People: Leidos empowers people from every background to be themselves and gives you the tools to learn new skills by enabling growthwhilst developing. We believe that extraordinary people need opportunities to grow, to be inspired and to inspire others. At Leidos, we invest in technical academies, career rotations and a career development plans that enhance your future.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting:

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

£41,300.00-£53,000.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Job ID

R-00191512
About Leidos
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