Virtualization Engineer

Leidos Inc; Arlington (VA); On-site; USD 110,000 - 195,000; Full time

Job summary

Leidos is seeking a seasoned Virtualization Engineer to support the CESO GSM-O II program in Arlington, VA. You will bring 10+ years of hands-on experience across on-prem and cloud virtual environments, with deep VMware ESXi, clusters, and vSAN expertise.

This 100% onsite role requires active TS/SCI clearance with CI/Poly willingness, and 8570 IAT II certification. You will provide Tier 3 support, maintain systems, and help shape secure, automated DevSecOps workflows for DISA CESO.

Qualifications

• Bachelor's degree and 8+ years of directly relevant experience.
• 6+ years of hands-on VMware experience in engineering, operations and maintenance.
• Active DoD TS/SCI clearance with CI/Poly willingness.
• 8570 IAT Level II Baseline Certification (e.g. CCNA Security, Security+ CE, GSEC).

Responsibilities

• Provide Tier 3 support to virtualization admins.
• Maintain HW and SW components at vendor-supported levels.
• Maintain ESXi hosts, clusters, and vSAN expertise.
• Support Continuity of Operations (COOP).
• Develop and participate in After Action Reports (AARs).
• Advise on VMWARE clusters within the DISA CESO enterprise.
• Evaluate technologies to identify gaps and plan improvements.
• Contribute to cybersecurity operations requirements and strategies.
• Participate in DISA CESO and partner meetings.
• Adhere to DOD STIGs, DISA orders, and JSIG.

Skills

VMware ESXi

vSAN

Cluster management

Tier 3 support

Education

Bachelor's degree

Tools

VMware

ESXi

Job description

Description

Leidos is seeking a Virtualization Engineer to support the Compartmented Enterprise Services Office (CESO) Task Order for the GIG Service Management - Operations II (GSM-O II) contract. This person should be a seasoned, self-motivated, professional with at least 10 years of hands-on engineering and testing experience in virtualized on-premise and cloud environments. A skilled knowledgeable engineer experienced in developing and implementing a VMWARE ESXi infrastructure.

With the CESO program, the Defense Information System Agency (DISA) is looking to transform the existing Secure Web Services (SWS) environment, used to provide secure information sharing to the community, into a more mature service offering to meet the DoD and IC community. As part of this task order, Leidos will manage the commercial cloud migration and fully automate the continuous development & continuous integration environment, fourth estate consolidation, professionalize services - ITIL/DevSecOps based processes, improve the customer experience 1st call resolution, and achieve development of a service catalog for Defense Working Capital Fund (DWCF) Model.

This position is 100% onsite in Arlington, VA with occasional/situational travel in and outside of the Washington Metro Area.

PRIMARY RESPONSIBILITIES

• Provide Tier 3 support to members of the operations virtualization administrators.
• Maintain all HW and SW components at vendor supported levels.
• Maintain expert knowledge of ESXi hosts, clusters, and vSAN.
• Support mission-critical Continuity of Operations (COOP).
• Develop and/or participate in After Action Reports (AARs)
• Provide expert advice and direction regarding the management and operation of all VMWARE clusters in the DISA CESO enterprise architecture.
• Evaluate current technologies and processes associated with DISA CESO to identify gaps.
• Provide requirements and strategies for future cybersecurity operations.
• Active participant in meetings with DISA CESO and mission partner working groups.
• Adhere to applicable DOD STIGs, DISA applicable orders, and JSIG policy, guidelines, and regulations.

Qualifications

• Bachelor's degree and 8+ years of directly relevant experience. Additional experience may be considered in lieu of degree.
• 6+ years of hands-on VMWARE experience in both engineering, operations and maintenance roles.
• Strong knowledge of VMWARE concepts and best practices:
• Experience working in a high op-temp, Top Secret environment.
• Candidate must possess an active DOD TS/SCI security clearance
• Candidate must be willing to take and maintain a CI/Poly
• 8570 IAT Level II Baseline Certification (e.g. CCNA Security, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP)

Preferred Qualifications

• VCP- VMWare Certification desired
• Prior experienced with DISA and DISA's support to mission partners

#ceso

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: September 22, 2026

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: Pay Range $107,900.00 - $195,050.00

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [e-mail].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.