System Administrator, Senior

parsons· 019 Parsons Technical Services, Inc.
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📍 US - MD, LinthicumFull time💰 USD 148K–267K

About this role

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

 

At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what’s possible.

 

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.

Our National Security Solutions team needs 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 VMware/ESXi, VMWare Virtual Networking, and 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 TS/SCI security clearance with polygraph

  • Active DoD IAT Level II certification (e.g. CCNA-Security, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP)

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

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 nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what’s next to deliver the solutions our customers need now.

Salary Range: $148,300.00 - $266,900.00

We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!

Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.

We truly invest and care about our employee’s wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest—APPLY TODAY!

Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer to https://www.parsons.com/fraudulent-recruitment/.

Frequently Asked Questions

What is the salary for the System Administrator, Senior role at parsons?
The listed salary for this System Administrator, Senior position at parsons is USD 148K–267K. This is an Full time role.
Where is the System Administrator, Senior position at parsons located?
This System Administrator, Senior role at parsons is based in US - MD, Linthicum. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the System Administrator, Senior role at parsons full-time or part-time?
This is listed as a Full time position. It is posted as a System Administrator, Senior role in the 019 Parsons Technical Services, Inc. department at parsons.
Which team or department does the System Administrator, Senior at parsons belong to?
This System Administrator, Senior position is part of the 019 Parsons Technical Services, Inc. department at parsons. See the full job description for more information about the team structure and responsibilities.
How do I apply for the System Administrator, Senior position at parsons?
Click the "Apply Now" button on this page. You will be redirected to parsons's official application portal hosted on workday where you can submit your application directly.
When was the System Administrator, Senior job at parsons posted?
This System Administrator, Senior position at parsons was posted on Jun 10, 2026. Apply as soon as possible — early applications are often reviewed first.
System Administrator, Senior
parsons · 💰 USD 148K–267K
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