Senior Systems Administrator (Virtualization)

We are seeking an experienced Senior Systems Administrator – Virtualization to design, deploy, and maintain the organization’s virtual infrastructure. This role ensures the high availability, performance, and security of virtualized workloads supporting mission‑critical applications across on‑premises, cloud, and hybrid environments. The ideal candidate brings deep expertise in VMware, Hyper‑V, automation, and enterprise‑grade virtualization operations.

 

Key Responsibilities

 

Virtual Infrastructure Engineering & Administration

• Design, implement, and manage enterprise virtualization platforms including VMware ESXi, vSphere, and Microsoft Hyper‑V.
• Administer and optimize virtual servers, clusters, and host resources to ensure high availability, performance, and scalability.
• Lead virtual infrastructure upgrades, patches, and lifecycle management following established change management practices.

 

Automation & Operational Efficiency

• Automate VM deployment, snapshots, reporting, and routine operational tasks using PowerCLI, PowerShell, or similar tools.
• Drive standardization and automation across virtualization workflows and management tools (e.g., PowerCLI, System Center Virtual Machine Manager).

 

Monitoring, Performance & Capacity Management

• Monitor resource utilization, performance, and capacity using tools such as vCenter, Hyper‑V Manager, System Center, PRTG, or SolarWinds.
• Identify bottlenecks, optimize resource allocation, and proactively improve platform reliability.

 

Backup, Replication & Disaster Recovery

• Implement and maintain backup, replication, and disaster recovery solutions for virtualized workloads.
• Ensure recovery readiness and alignment with organizational RPO/RTO requirements.

 

Cross‑Team Collaboration & Integration

• Collaborate with storage, networking, and security teams to ensure integrated, secure, and high‑performing virtual environments.
• Support SAN/NAS storage integration, VLAN/network segmentation, and virtual networking configurations.

 

Documentation & Escalation Support

• Develop and maintain operational documentation, runbooks, diagrams, and recovery procedures.
• Serve as a senior escalation point for complex virtualization issues and mentor junior administrators.

Required Qualifications

• Bachelor’s degree in information technology or a related field, and 8 years of experience. 4 years of additional experience may be substituted in lieu of a degree.
• 5 years of hands‑on experience with virtualization platforms (VMware ESXi, vSphere, Hyper‑V).
• Strong understanding of virtual networking, storage integration, and host‑level security.
• DoD 8140 IAT Level II certification (e.g., Security+).
• Active TS/SCI clearance. 

Preferred Qualifications

• VMware Certified Professional (VCP) or Microsoft Certified: Azure/Hyper‑V.
• Experience with cloud integration (Azure, AWS, or hybrid environments).
• Strong scripting and automation skills (PowerShell, PowerCLI).

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure.

$112,000 - $179,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.