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System Administrator, Senior

Parsons Corporation
USA MD Annapolis Junction (133 National Business Parkway), United States, United Statesfull_timeVerifiedPosted 18 Jun 2025
💰 $260,600/yr($144,800/yr$260,600/yr)

About the role

In a world of possibilities, pursue one with endless opportunities. Imagine Next!

When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We’ve got what you’re looking for.

Job Description:

Parsons is the premier national security and critical infrastructure solutions provider. We have unparalleled tactical-to-strategic level experience in securing the platform and operational technology of National Security Systems – a mission at the heart of our intersecting work across defense, intelligence, and critical infrastructure.

  • We deliver value through scalable, fast, disruptive solutions to our customers’ most complex national security and critical infrastructure challenges.

  • We provide deep domain expertise to develop solutions both for now and for the future.

  • We apply our exceptional technology capabilities to stay ahead of the competition and our customers’ needs.

  • We layer and integrate solutions to provide unmatched innovation.

Parsons is seeking a Sr. System Administrator to support our expanding portfolio of work in the Intelligence Community (IC). As a collaborative member of a small and mostly autonomous team, this position directly supports secure enclave development networks.

Core Tasks:

  • Conduct functional and connectivity testing to ensure continuing operability.

  • Develop and document systems administration standard operating procedures.

  • Maintain baseline system security according to organizational policies.

  • Manage accounts, network rights, and access to systems and equipment.

  • Plan, execute, and verify data redundancy and system recovery procedures.

  • Install, update, and troubleshoot systems and servers.

  • Comply with organization systems administration standard operating procedures.

  • Implement and enforce local network usage policies and procedures.

  • Manage system and server resources including performance, capacity, availability, serviceability, and recoverability.

  • Monitor and maintain system and server configurations.

  • Perform repairs on faulty system and server hardware.

  • Troubleshoot hardware/software interface and interoperability problems.

 

Required:

  • Bachelor’s degree in a technical discipline and 15 years’ experience as a System Administrator, OR High school diploma and 20 years’ experience as a System Administrator

  • Experience with Windows Sever Administration, Active Directory, and Group Policy

  • Familiarity with Linux Server Administration

  • Familiarity with Broadcom VMware/ESXi, Broadcom VMWare Virtual Networking, and Broadcom VMware vCenter

  • Networking Switching and Router Management

  • Storage Management (NetApp)

  • Hardware and Operating System troubleshooting

  • System hardening

  • Security Compliance Scanning (Nessus, ACAS)

  • Understanding of project design within the scope of security (RMF) requirements

  • Active DoD IAT Level II certification (Security+ )

  • Ability to demonstrate cyber/IT related experience with attention to detail, customer service, oral and written communication, and problem solving.

  • TS/SCI w/ polygraph

Preferred:

  • Experience leading the implementation and support of Broadcom VMware virtualized systems and infrastructure

  • PowerCLI

  • Broadcom VMware Aria Suite, formerly called vRealize Suite

  • Broadcom VMware Cloud Foundation (VCF)

  • Broadcom VMware Certified Professional or relevant VMware certification

Security Clearance Requirement:

An active Top Secret SCI w/Polygraph security clearance is required for this position.​

This position is part of our Federal Solutions team.

The Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our na

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Company

Parsons Corporation

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