3rd Line Engineer
Clearance - High DV
3rd Line Engineers provide a crucial role in Core Services, conducting complex fault rectification of incidents, support Problem Management, Continual Service Improvement (CSI), and occasional Change Request (CR) work on IT Systems supporting key National Security outputs.
UNLEASH YOUR POTENTIAL
You will conduct reactive and proactive maintenance, primarily on the JUNO system, but may occasionally be required to support other systems that Leidos manage. These systems are highly utilised with many active users who operate at varying security levels.
You are responsible for responding to escalations from 2nd Line Engineers as well as other Resolver Groups and conduct advanced troubleshooting to diagnose and rectify issues as they arise.
You will be able to develop technical solutions to complex issues and problems as well as possess the ability to liaise with stakeholders at all levels of seniority, including the customer.Adherence to resolving issues and problems within SLA levels and ensuring KPI’s are met is also required.
Your Role and Primary Responsibilities
Have excellent knowledge of Virtualized Environments such as VMware and Hyper-V.Have excellent knowledge of VDI environments such as VMware and also Horizon or Citrix.
Have excellent knowledge of HCI such as NetApp SolidFire or Nutanix.
-Have excellent knowledge of SAN storage technologies such as NetApp or Dell PowerStore.
• Have excellent knowledge of Backup & Recovery technologies such as Veeam or Commvault
• Have excellent knowledge of Windows Server Environments from Server 2008 – 2025 including AD, DNS, DHCP and GPO from design to implementation and support.
• Have demonstrable experience of supporting Enterprise IT hardware in datacentre environments.
• Have strong Linux system administration skills (Ubuntu / CentOS/RedHat).
• Have strong knowledge of TCP/IP and networking technologies including load balancing and firewalls.
• Have strong knowledge of software defined network such as VMWare NSX-T or HPE Aruba.
• Have good knowledge of Microsoft stack technologies such as SharePoint, Skype / Teams, MS SQL, MS System Centre, Office365, SCCM & SCOM, MS Exchange & CLI tooling .
• Have general knowledge of cloud-native application platforms and Kubernetes-based containerised applications.
• Have experience working on Production, Reference & Development systems & the configuration control lifecycle going from development through into production.
• MicroServices platforms (Tanzu, Rancher), Kubernetes & Docker.
• Have knowledge of 2 Factor-Authentication technologies.
• Have knowledge/ experience with scripting.
• Producing and updating technical documentation to a high standard.
• Have excellent analysis and problem-solving skills.
• Possess excellent communication skills
KEY DUTIES
System Support & Ticket resolution - Utilising technical expertise to ensure Cat A systems are kept online and running smoothly and that Incidents are dealt with in a timely manner IAW with KPI/SLA.
Problem Resolution- Work with other resolver groups, original manufacturers, Users and suppliers to perform root cause analysis, providing technical solutions to complex problems.
Maintenance - Responsible for completing the and recording Periodic maintenance of the system Utilising Periodic Preventative Maintenance (PPM) and routine upgrading activities to stay ahead of obsolescence issues
Documentation - Maintain and create documentation of system configuration changes. As well as accurately recording work in SD+
Resource Movement - Assist in the configuration, installation, and deployment of infrastructure components, including virtual machines and UAD’s.
Participation in Projects - Engage in infrastructure-related projects, CR’s contributing to implementation build, testing phases.
KEY COMPETENCIES:
Communications - Verbal, written including technical documentation.
Collaboration - Working with other SME’s, Users & Resolver groups to ensure efficiency.
Adaptability and flexibility - Able to change focus under changing situations.
Technical expertise - Ability to troubleshoot and fault rectification variety of issues.
Attention to detail - Including written and work carried out.
Customer service - excellence.
Teamwork - Build effective internal and external relationships
Are you ready to make an impact? Begin your journey of a flourishing and meaningful career, share your CV with us today!
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)
Flexi-TIme
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 growth whilst 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.
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.
Leidos Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.
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Healthcare Strength — Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
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Retirement Support — Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
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Wellbeing & Lifestyle Benefits — Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.
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What We Do
We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead.
