Senior Systems Administrator- TS/SCI w/ Polygraph

Job Locations US-VA-Herndon
Requisition ID
Position Category
Systems Engineering / Development / Architecture / Integration
Top Secret/SCI w/Poly


Peraton is seeking a cleared Senior Systems Administrator in support of our Corporate Operations.

Primary responsibilities include:

  • Operations and maintenance, and day-to-day operations of all deployed systems and sh.ared IT services to ensure the operational capability for select number of Peraton’s shared classified corporate environments.
  • Patch management, system updates and application installations, operating system deployment (OSD), IT system security related issues, threat mitigation and reporting.
  • Involved in all aspects of system administration planning, designing, implementing, troubleshooting, repairing, and providing recommendations for Enterprise LAN improvements based on customer requirements and new technologies.
  • Enforce security policies and directives in accordance to and/or plan for data, software applications, hardware and telecommunications.
  • Advanced knowledge of systems engineering principles, methods, and techniques.
  • Analyze distributed computing system requirements in response to demand forecasts and operations trends to determine, plan, and provide for system capabilities required for projected workloads.
  • Provide highly technical and/or specialized guidance concerning automation solutions to complex information processing problems related to the distributed computing environment.
  • Knowledgeable in multiple current technology areas including:
    • Client/server computer hardware and operating systems
    • End-user desktop productivity software
    • Remote management and software deployment tools and administration
    • End-user device security management
    • System integration across multi-tiered highly secure IT environments
  • Installation and configuration of primarily Windows operating systems and applications.
  • User support for PC hardware, software, and network issues.
  • Windows 2016/2018 server administration to include Domain Controller, DNS, MS Exchange, File Sharing/Least Privileges, Group Policy Management).
  • VM creation and management within the team’s virtual environments.


Required Qualifications

  • Bachelor’s degree in Computer Science, Business, or a related IT field plus 10 years of related experience (an equivalent combination of experience and education may be substituted)
  • 10 years of experience with administrating Windows servers (DC, Exchange, DNS, File Share/Least Privileges, Group Policy Management)
  • Security + certification
  • Active Top Secret/SCI Clearance with Polygraph

Desired Qualifications

  • Microsoft Certified Systems Engineer Certification
  • DoD 8570 Certification (CASP, CISSP) 
  • ITIL Certification (a Nice to have but not necessary)
  • Scripting experience - PowerShell, VBScript, and batch preferred.  
  • Strong experience with Group Policy Objects (GPOs), writing and troubleshooting, including software deployment and security settings and configurations.  
  • Advanced knowledge of Microsoft operating systems, software packages and products 
  • In-depth knowledge and understanding of Desktop operating systems methodologies (file system, registry, services, etc.), as well as system tools and remote desktop support.  
  • Knowledge of MSI packaging tools. 
  • Knowledge of Click-and-Run Deployments 
  • Experience installing and configuring of LAN hardware and software.  
  • Experience in overseeing development and implementation of system specifications, designs, integration, testing, and documentation.  
  • Experience in monitoring the computer support to users, resolving system faults, and implementing approved security policies and procedures.  
  • Ability to work independently and perform rapid solution engineering under time constrained conditions with limited support.  
  • Experience developing risk management and mitigation strategies, ensuring compliance with QA standards, and excellent written and oral communication skills

Peraton Overview

Peraton 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 and highly differentiated national security solutions and technologies that keep people safe and secure. Peraton serves as a valued partner to essential government agencies across the intelligence, space, cyber, defense, civilian, health, and state and local markets. Every day, our employees do the can’t be done, solving the most daunting challenges facing our customers.

Salary Range

Salary Minimum: $72,500
Salary Mid: $145,000
Salary Maximum: $181,300

The estimate displayed represents the typical salary range for this position, and is just one component of Peraton's total compensation package for employees. Other rewards may include annual bonuses, short- and long-term incentives, and program-specific awards. In addition, Peraton provides a variety of benefits to employees.

An Equal Opportunity Employer including Disability/Veteran.


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