Senior Systems Administrator; Virtualization Security Clearance

Position: Senior Systems Administrator (Virtualization) with Security Clearance
About Peraton 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 solve the most daunting challenges that our customers face. Visit  to learn how we're keeping people around the world safe and secure. Program Overview About

The Role 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 Power

CLI, Power Shell, or similar tools.

* Drive standardization and automation across virtualization workflows and management tools (e.g., Power

CLI, 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 Solar Winds.

* 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.
Qualifications

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 (Power Shell, Power

CLI).
SCA / Union / Intern Rate or Range Details Target Salary Range: $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.

Benefits Statement:
Peraton offers eligible employees a variety of benefits including medical, dental, vision, life, health savings account, short/long term disability, EAP, parental leave, 401(k), paid time off (PTO) for vacation, and company paid holidays. A full listing of available benefits can be viewed at  Application Duration Statement:
The application period for the job is estimated to be 30 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. EEO:

Equal opportunity employer, including disability and protected veterans, or other characteristics…