Parsons Corporation Jobs

Mobile Parsons Logo

Job Information

Parsons Corporation System Administrator Senior in Linthicum, Maryland

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 intelligent, diverse 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.

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.


  • 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 both Windows and Linux

  • Windows and Linux patching

  • VMware/ESXi

  • Networking Switch- VLAN setup and VMware virtual NIC config for isolation

  • Active Directory configuration and support

  • Hardware and Operating System troubleshooting

  • STIG hardening recommendations

  • 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.

Minimum Clearance Required to Start:

Top Secret SCI w/Polygraph

This position is part of our Federal Solutions team.

Our Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our diverse, 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:

$140,700.00 - $253,300.00

Parsons is an equal opportunity employer committed to diversity, equity, inclusion, and accessibility in the workplace. Diversity is ingrained in who we are, how we do business, and is one of our company’s core values. Parsons equally employs representation at all job levels for minority, female, disabled, protected veteran and LGBTQ+.

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!About Us

Parsons is a digitally enabled solutions provider focused on the defense, security, and infrastructure markets. With nearly 75 years of experience, Parsons is uniquely qualified to deliver cyber/converged security, technology-based intellectual property, and other innovative services to federal, regional, and local government agencies, as well as to private industrial customers worldwide.

Parsons is an equal opportunity, drug-free employer committed to diversity in the workplace. Minority/Female/Disabled/Protected Veteran/LGBTQ+.

For more about Parsons, visit and follow us on Facebook, Twitter, LinkedIn, and YouTube.