
Virtualization Engineer
Required skills
- VMware ESXi
- vSAN
- TS/SCI
- CI/Poly
- CCNA Security
- CySA+
- GICSP
- GSEC
- Security+ CE
- CND
Nice to have
- VCP
- DISA
Role summary
Leidos is seeking a Virtualization Engineer with at least 10 years of experience in virtualized environments, including VMware ESXi, clusters, and vSAN. The role involves providing Tier 3 support, maintaining hardware and software, and advising on the management of VMware clusters within the DISA CESO enterprise architecture. Responsibilities include evaluating technologies, identifying gaps, and providing strategies for cybersecurity operations, adhering to DOD STIGs and DISA policies. A Bachelor's degree and 8+ years of relevant experience, or equivalent experience, are required, along with a TS/SCI clearance and specific cybersecurity certifications.
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 with 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, 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.
Pay Range:
Pay Range $107,900.00 - $195,050.00The 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.
Sample Leidos interview questions
- 1
What are the key considerations when designing a highly available and consistent service registry?
system designmedium - 2
Buildings with an Ocean View Find all buildings that have an ocean view. Input: heights = [1,2,3,4] Output: [3] Explanation: Since the ocean is to the right, only the rightmost tallest building (index 3) is not blocked by any others.
codingmedium - 3
Merge K Sorted Linked Lists Merge K sorted linked lists. Input: lists = [[2,2,3],[1,5]] Output: [1,2,2,3,5] Explanation: Extracts the smallest current node iteratively using a priority queue to build a single merged and sorted linked list.
codingmedium - 4
Optimal Meeting Point Calculate the optimal meeting point for multiple people on a 2D grid. Input: grid = [[1,0],[0,1]] Output: 2 Explanation: The optimal meeting point is either (0,1) or (1,0), requiring exactly 1 step from each person resulting in a total distance of 2.
codingmedium - 5
Maximize the minimum distance between aggressive cows in stalls. Input: stalls = [0,4,3,7,10,9], cows = 3 Output: 4 Explanation: Placing the cows at positions 0, 4, and 10 yields a maximum possible minimum distance of 4 between any two cows.
codingmedium
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