Six Figure Work

System Administrator, Senior

Parsons

Company websiteparsons.com (Parsons, opens in new tab)

Base salary $148,300  to $266,900

Employer-published annual base salary, USD. Advertised base range in Linthicum, MD

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  • LocationLinthicum, MD
  • WorkplaceWorkplace not stated
  • Status at last checkSource accepting applications when checked
  • Last checked (2 h ago) · observed since

About this job

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 - $266,900.00We 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/.

Source: Parsons on Workday · View original posting (opens in new tab)

Pay in context

This role's base floor ($148,300) is above 66% of the 103 IT & Security roles in Maryland listed on this site; 3 others list the same floor. Their median floor is $139,000; the middle half runs from $120,800 to $150,000.

Only jobs on this site count, and each one publishes a base salary of $100,000 or more, so this compares six-figure jobs with each other, not with the whole market. Computed Nov 7, 2026.

This range next to 6 other live Parsons roles with the nearest advertised base floor
Chart as a table
This range next to 6 other live Parsons roles with the nearest advertised base floor
RolePublished base
System Administrator, Senior (this listing)$148,300 - $266,900
Senior M&S Software Developer$148,300 - $266,900
Senior AFSIM Engineer - TS/SCI$148,300 - $266,900
Senior Platform DevOps Engineer - TS/SCI w/ Poly$148,300 - $266,900
Cloud Systems Engineer$148,300 - $266,900
Principal Project Manager - Highway Design/Construction - Transportation$148,300 - $266,900
Program Manager – Construction Management Services (CMS)$148,300 - $266,900

Same $100K to $400K scale as every card. All Parsons roles · How to read the bar

Observed changes

  1. First observed on the employer's board
  2. Began meeting the published-salary criteria
Observed since
Employer-stated posting date
2026-06-10
Where this pay comes from

Location as the employer wrote it: US - MD, Linthicum

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

Method
Employer text, read with fixed rules and re-verified
Checked
Rule set
us-base-v2

The pay passage appears in the employer's own job text. Fixed, deterministic rules located it, and the passage below was checked against the stored copy of the posting.

What we verified

  • The pay figures come from the employer's own listing, quoted exactly above.
  • The pay is an annual base salary in US dollars with a minimum of at least $100,000.
  • The role was publicly listed on the employer's job board when last checked.

We do not verify what the employer will actually offer, whether the employer is still recruiting for the role, or anything beyond what the employer published. Full methodology.