At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Your most important work is ahead.
If this sounds like the kind of environment where you can thrive, keep reading!
Leidos is seeking an experienced and motivated Virtualization Administrator VMware to support the Defense Threat Reduction Agency (DTRA) on the Integrated Information Technology Support Services (I3TS) contract. This contract is a critical initiative to modernize and operate DTRA's enterprise IT systems. The successful candidate will play a key role in enhancing IT efficiency, security, and mission effectiveness by designing, implementing, and maintaining a resilient and secure network infrastructure. This role will be instrumental in supporting the agency's mission to counter and prevent emerging global threats.
Work location includes Fort Belvoir, VA (Primary) and Reston, VA (Temporary Secondary Location)
As the Virtualization / VMware Administrator, you will be accountable for the design, implementation, and maintenance of our organization's virtual infrastructure, focusing on VMware technologies. This role will involve managing virtual machines for servers, desktops, and networking components critical to the operations of our enterprise environment.
What will you do in this role?
We are seeking a highly skilled Virtualization / VMware Administrator with demonstrated experience in designing, deploying, and managing VMware environments. You will:
Deploy and maintain VMware ESXi hosts, vCenter Server, and virtual machines across multiple physical sites.
Configure and manage core Omnissa VDI components including connection brokers, gateways, profile management, and load balancing.
Provide performance tuning, troubleshooting, and optimization of VDI environments.
Perform regular maintenance, updates, and patches to ensure the security and reliability of the virtual infrastructure.
Work with infrastructure teams to integrate VDI solutions with network, storage, and security frameworks.
Monitor and optimize virtual infrastructure performance, resource utilization, and system availability.
Implement and manage VMware networking components such as distributed switches and VLANs.
Troubleshoot and resolve issues related to VMware virtualization technologies, including performance bottlenecks, connectivity problems, and virtual machine management.
Work with other IT teams to design and implement infrastructure solutions that integrate with virtualization technologies and align with command requirements.
Provide mentorship and guidance to junior administrators and team members to foster a deeper understanding of virtualization technologies and their role within our infrastructure.
Implement backup and disaster recovery solutions for virtual machines and infrastructure components.
Develop and maintain documentation related to virtualization architecture, processes, and procedures.
Evaluate and recommend new VMware technologies and solutions to enhance system performance and efficiency.
Support projects to enhance the security, efficiency, or capability of the virtualized environment.
Work with vendors and third-party providers for troubleshooting and issue resolution.
Ensure compliance with security policies, regulations, and best practices related to virtualization technologies.
Required Qualifications:
BS degree and 8+ years of prior relevant experience or Masters with 6+ years of prior relevant experience, additional years of technical experience may be considered in lieu of degree.
Current DoD Top Secret/SCI clearance.
Applicable DoD 8140 or DoD 8570 Certification (Security+ CE or equivalent)
Demonstrated proficiency in managing and troubleshooting VMware vSphere infrastructure.
Experience with VMware technologies including ESXi, vCenter Server, vSAN, and vSphere Networking.
Experience with Omnissa Horizon 7/8, App Volumes, Dynamic Environment Manager, and UAGs.
Experience with Microsoft Active Directory, Windows Server 2016/2019/2022, and FSlogix.
Experience Dell Wyse client management.
Strong understanding of virtualization concepts, practices, and procedures.
Ability to review, modify, and prepare comprehensive documentation for virtualization tasks.
Desired Qualifications:
VMware Certified Professional (VCP) or VMware Certified Advanced Professional (VCAP).
ITIL 5 Foundation Certification.
Prior work with VMware Horizon for virtual desktop infrastructure (VDI).
Familiarity with automation tools such as Ansible or PowerCLI for automation tasks.
Prior work within the Department of War and familiarity with its IT environments.
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:June 2, 2026For 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.
Skills Required
- BS degree and 8+ years of prior relevant experience or Master's with 6+ years
- Current DoD Top Secret/SCI clearance
- Applicable DoD 8140 or DoD 8570 Certification (Security+ CE or equivalent)
- Demonstrated proficiency in managing and troubleshooting VMware vSphere infrastructure
- Experience with VMware technologies including ESXi, vCenter Server, vSAN, and vSphere Networking
- Experience with Omnissa Horizon 7/8, App Volumes, Dynamic Environment Manager, and UAGs
- Experience with Microsoft Active Directory, Windows Server 2016/2019/2022, and FSlogix
- Experience Dell Wyse client management
- Strong understanding of virtualization concepts, practices, and procedures
- Ability to review, modify, and prepare comprehensive documentation for virtualization tasks
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.
Leidos Insights
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.
