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/.
Skills 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 Server 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 Top Secret/SCI security clearance with polygraph
- Active DoD IAT Level II certification (e.g., CCNA-Security, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP)
- Demonstrated cyber/IT experience with attention to detail, customer service, oral and written communication, and problem solving
Parsons Corporation Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Parsons Corporation and has not been reviewed or approved by Parsons Corporation.
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Retirement Support — Retirement programs are framed as a major value driver, with an ESOP alongside a 401(k) match and additional stock-purchase options contributing meaningfully to total rewards. This structure is positioned as especially attractive for employees who value long-term wealth-building over immediate cash.
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Healthcare Strength — Health coverage is described as broad and choice-rich, with multiple plan types (PPO, HDHP, and some HMO networks) plus dental, vision, EAP, and wellness resources. The availability of different plan designs and national-carrier coverage supports varied employee needs.
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Leave & Time Off Breadth — Time-off offerings are portrayed as competitive, including PTO, holidays, flexible schedules such as a 9/80 option for eligible roles, and floating holidays in the U.S. Paid parental leave of 160 hours is also highlighted as a meaningful component of the overall package.
Parsons Corporation Insights
What We Do
Parsons is a digitally enabled solutions provider with a focus on making the world safer, smarter, healthier, more sustainable, and more connected. Founded in 1944, Parsons primarily serves the defense, security, and infrastructure markets. Uniquely qualified to deliver cyber/converged security, technology-based intellectual property, and other innovative services, the corporation delivers state-of-the-art solutions to federal, regional, and local government agencies as well as to private industrial customers worldwide. Parsons has a reputation for inclusion and diversity and has been named to the Ethisphere Institute’s list of World’s Most Ethical Companies for 10 consecutive years. Parsons facilitates a culture of innovation by encouraging collaboration among its employees and providing opportunities for career growth. With offices around the globe, people of varied talents and backgrounds, and a wide range of exciting projects, the possibilities at Parsons are endless. For more about Parsons, visit www.parsons.com. Mission: Delivering innovative infrastructure, defense, and security solutions to enable a more sustainable, safer, smarter, and more connected world.







