Virtualization Administrator VMWare

JCS Solutions LLC (JCS) is seeking an experienced and highly motivated Senior Virtualization (VMware) Administrator to support the Defense Threat Reduction Agency (DTRA) under the Integrated Information Technology Support Services (I3TS) contract. This mission-critical program modernizes, sustains, and secures DTRA's enterprise IT environment in direct support of national security objectives.

In this role, you will be a key contributor to improving IT efficiency, security, and mission effectiveness by designing, implementing, and maintaining a resilient, secure, and highly available virtual infrastructure. Your work will directly support DTRA's mission to counter and prevent emerging global threats. What you will do:

The Senior Virtualization Administrator is responsible for the installation, configuration, administration, maintenance, and support of enterprise systems and associated hardware. This role spans multiple technical domains and requires deep expertise in VMware technologies, system performance optimization, and infrastructure resilience.

You will lead complex initiatives, manage large-scale virtualization environments, and apply best practices to ensure stability, security, and scalability across the enterprise.

• Design, deploy, and maintain enterprise VMware environments, including ESXi hosts, vCenter Server, and virtual machines across multiple sites.
• Configure and manage Omnissa VDI components such as connection brokers, gateways, profile management, and load balancing.
• Monitor, tune, and optimize system performance, resource utilization, and availability.
• Implement and maintain VMware networking solutions, including distributed virtual switches and VLANs.
• Perform system updates, patching, and lifecycle maintenance to ensure security and reliability.
• Diagnose and resolve virtualization-related issues, including performance bottlenecks, connectivity problems, and VM lifecycle challenges.
• Implement backup, recovery, and disaster recovery solutions for virtual infrastructure components.
• Collaborate with network, storage, security, and infrastructure teams to ensure seamless integration and compliance with command requirements.
• Review system and performance logs to identify anomalies and proactively resolve potential issues.
• Develop and maintain technical documentation covering system architecture, processes, and operational procedures.
• Evaluate and recommend emerging VMware technologies to enhance performance, efficiency, and security.
• Support initiatives aimed at improving the security posture, operational efficiency, and capabilities of the virtualized environment.
• Engage vendors and third-party partners for advanced troubleshooting and issue resolution.
• Mentor and guide junior administrators, fostering technical growth and best-practice adoption.

Impact, Complexity, and Leadership

• Impact: Drives key project and program objectives, managing end-to-end processes across multiple technical areas with moderate-to-high organizational impact
• Complexity: Develops innovative solutions to complex technical challenges affecting multiple disciplines; regularly applies creativity and advanced problem-solving.
• Communication: Works closely with internal technical teams, government clients, subcontractors, and vendors; influences solution design and technical approaches.
• Knowledge & Expertise: Requires expert-level knowledge of advanced virtualization principles, theories, and practices, with the ability to apply them in mission-critical enterprise environments.
• Leadership: Provides technical leadership and mentorship, contributing to team capability development and long-term operational success., Do you have hands-on experience with VMware ESXi, vCenter Server, vSAN, and vSphere networking?* YesNo Have you supported Omnissa Horizon 7/8, including App Volumes, Dynamic Environment Manager, and Unified Access Gateways (UAGs)?* YesNo Do you have experience working with Microsoft Active Directory, Windows Server 2016/2019/2022, and FSLogix?* YesNo Are you familiar with Dell Wyse thin client management?* YesNo Do you have a strong understanding of virtualization concepts, best practices, and operational procedures?* YesNo Are you able to review, update, and produce clear, comprehensive technical documentation for virtualization environments?* YesNo Are you a U.S. Citizen?* YesNo What level of DOD Secuirty Clearance do you currently hold?* What is your minimum salary?* The following questions are entirely optional. To comply with government Equal Employment Opportunity and/or Affirmative Action reporting regulations, we are requesting (but NOT requiring) that you enter this personal data. This information will not be used in connection with any employment decisions, and will be used solely as permitted by state and federal law. Your voluntary cooperation would be appreciated. Learn more. Gender Race/Ethnicity, Voluntary Self-Identification of Disability Form CC-305 OMB Control Number 1250-0005 Expires 04/30/2026 Why are you being asked to complete this form?

We are a federal contractor or subcontractor. The law requires us to provide equal employment opportunity to qualified people with disabilities. We have a goal of having at least 7% of our workers as people with disabilities. The law says we must measure our progress towards this goal. To do this, we must ask applicants and employees if they have a disability or have ever had one. People can become disabled, so we need to ask this question at least every five years.

Completing this form is voluntary, and we hope that you will choose to do so. Your answer is confidential. No one who makes hiring decisions will see it. Your decision to complete the form and your answer will not harm you in any way. If you want to learn more about the law or this form, visit the U.S. Department of Labor's Office of Federal Contract Compliance Programs (OFCCP) website at www.dol.gov/ofccp. How do you know if you have a disability?

A disability is a condition that substantially limits one or more of your "major life activities." If you have or have ever had such a condition, you are a person with a disability. Disabilities include, but are not limited to:

• Alcohol or other substance use disorder (not currently using drugs illegally)
• Autoimmune disorder, for example, lupus, fibromyalgia, rheumatoid arthritis, HIV/AIDS
• Blind or low vision
• Cancer (past or present)

• Bachelor's degree with 8-12 years of relevant experience, or a master's degree with 6-10 years of relevant experience. Additional directly related technical experience may be considered in lieu of a degree.
• Active Top Secret/SCI clearance required.
• Current DoD 8140 / DoD 8570-compliant certification (e.g., Security+ CE or equivalent).
• Proven expertise in managing, administering, and troubleshooting VMware vSphere infrastructure.
• Hands-on experience with VMware technologies, including ESXi, vCenter Server, vSAN, and vSphere networking.
• Experience supporting Omnissa Horizon 7/8, App Volumes, Dynamic Environment Manager, and Unified Access Gateways (UAGs).
• Experience with Microsoft Active Directory, Windows Server 2016/2019/2022, and FSLogix.
• Familiarity with Dell Wyse thin client management.
• Strong understanding of virtualization concepts, industry best practices, and operational procedures.
• Ability to review, update, and produce clear, comprehensive technical documentation related to virtualization environments.

How you will wow us:

• VMware Certified Professional (VCP) or VMware Certified Advanced Professional (VCAP) certification.
• ITIL v5 Foundation certification.
• Prior experience supporting VMware Horizon environments for Virtual Desktop Infrastructure (VDI).
• Familiarity with automation and scripting tools such as Ansible or VMware PowerCLI to streamline operational tasks.
• Previous experience working within the Department of Defense and familiarity with DoD enterprise IT environments., Do you possess a Bachelor's degree with 8-12 years of relevant experience, a Master's degree with 6-10 years of relevant experience, or equivalent directly related technical experience in lieu of a degree?* YesNo Do you have a current DoD 8140 or DoD 8570-compliant certification, such as Security+ CE or equivalent?* YesNo What current DoD 8140 or DoD 8570-compliant certification do you have?* Do you have proven experience managing, administering, and troubleshooting VMware vSphere infrastructure?*

Invitation for Job Applicants to Self-Identify as a U.S. Veteran

• A "disabled veteran" is one of the following:

• a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or
• a person who was discharged or released from active duty because of a service-connected disability.

• A "recently separated veteran" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.
• An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.
• An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.