**Description** The DISA IT Operation within Leidos’ Digital Modernization Group is seeking a **Mid-Level VirtualizationAdministrator** to support theCompartmented 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 4 years of hands-on administration experience in virtualized on-premise and cloud environments. A skilled knowledgeable administrator with experienced in maintaining 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** withoccasional/situationaltravel in and outside of the Washington Metro Area. **PRIMARY RESPONSIBILITIES:** + Provide Tier 2 virtualization administration support + Maintain all HW and SW components at vendor supported levels. + Maintain working knowledge of VMWARE ESXi hosts, clusters, and vSAN technologies. + Develop and/or participate in After Action Reports (AARs) + Provide advice and direction regarding the management and operation of all VMWARE clusters in the DISA CESO enterprise architecture. + 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 4+ years of directly relevant experience. Additional experience may be considered in lieu of degree. + 4+ years of hands-on VMWARE experience in operations and maintenance roles. + Strong working knowledge of VMWARE concepts and best practices: + Experience working in a high op-temp, Top Secret environment. + **_Candidate must possess an active DOD Top Secret level security clearance, and be eligible to obtain and maintain a TS/SCI_** + **_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 + Prior experienced with DISA and DISA’s support to mission partners gsmo #tn15 **Original Posting Date:** 2025-01-23 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 $72,150.00 - $130,425.00 The Leidos pay range for this job level is a general guideline onlyand 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. REQNUMBER: R-00151903 All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.