External Job Posting Title Systems Administrator / Helpdesk Support

Peraton; Chantilly (VA); On-site; USD 112,000 - 179,000; Full time

Benefits offered by this job

25 days PTO

Bonus plan

Subsidized benefits

Job summary

Peraton is seeking a Systems Administrator / Help Desk Support Specialist to provide hands-on technical support, system administration, and troubleshooting for mission-critical infrastructure. You will handle Tier 1/2 tickets, configure workstations/servers, and ensure secure, compliant operations.

Responsibilities include account provisioning, patching, incident documentation, and collaboration with senior engineers. A DX-friendly environment, with a focus on reliability and security.

Qualifications

• Requires TS/SCI clearance with polygraph eligibility.
• DoD 8570/8140-compliant certification (e.g., Security+) or ability to obtain within [X] days of hire.
• Working knowledge of Windows and Linux operating systems and Active Directory
• Familiarity with ticketing systems and IT service management processes
• Strong customer service, communication, and problem-solving skills

Responsibilities

• Provide Tier 1/Tier 2 help desk support, responding to and resolving user-submitted tickets in a timely manner
• Install, configure, and maintain workstations, servers, and peripheral equipment
• Troubleshoot hardware, software, network, and connectivity issues for end users
• Perform routine system administration tasks, including account provisioning, access management, and patching
• Support compliance with security policies and accreditation requirements (e.g., RMF, NIST 800-53)
• Document incidents, resolutions, and standard operating procedures in the ticketing system
• Escalate complex technical issues to senior administrators or engineering teams as needed
• Assist with system monitoring, backups, and routine maintenance activities
• Support onboarding/offboarding of users, including equipment setup and account deactivation

Skills

TS/SCI clearance

Security+ / DoD 8570/8140

Windows

Linux

Active Directory

Ticketing systems / ITSM

Customer service

Communication

Education

BS/BA in CS/IT or related field

MS/MA (preferred or in lieu of degree)

Tools

Ticketing systems (ITSM)

Job description

Responsibilities

Peraton is looking for a Systems Administrator / Help Desk Support Specialist to deliver hands‑on technical support, system administration, and troubleshooting that keeps mission‑critical infrastructure running reliably and securely for end users.

What You'll Do:

• Provide Tier 1/Tier 2 help desk support, responding to and resolving user‑submitted tickets in a timely manner
• Install, configure, and maintain workstations, servers, and peripheral equipment
• Troubleshoot hardware, software, network, and connectivity issues for end users
• Perform routine system administration tasks, including account provisioning, access management, and patching
• Support compliance with security policies and accreditation requirements (e.g., RMF, NIST 800‑53)
• Document incidents, resolutions, and standard operating procedures in the ticketing system
• Escalate complex technical issues to senior administrators or engineering teams as needed
• Assist with system monitoring, backups, and routine maintenance activities
• Support onboarding/offboarding of users, including equipment setup and account deactivation

Qualifications

Required Qualifications:

• 5 years with BS/BA; 3 years with MS/MA; 0 years with PhD
• Additional 4 years experience may be considered in lieu of degree
• Active TS/SCI clearance required with the ability to obtain a polygraph
• DoD 8570/8140‑compliant certification (e.g., Security+) or ability to obtain within [X] days of hire
• Working knowledge of Windows/Linux operating systems and Active Directory
• Familiarity with ticketing systems and IT service management processes
• Strong customer service, communication, and problem‑solving skills

Preferred Qualifications:

• Experience supporting classified or restricted‑access systems
• Familiarity with cloud environments (AWS GovCloud, Azure Government, etc.)
• Exposure to AI/ML‑enabled or data‑intensive program environments
• ITIL Foundation certification

Benefits:

Peraton offers enhanced benefits to employees supporting this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap, and eligibility to participate in an attractive bonus plan.

Peraton Overview

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.

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.

EEO

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