System Administrator

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United States of America
US - CA, Torrance
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Information Technology
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:

As a member of our team, you'll contribute to IS Security Management and oversight of our Highly Classified information systems in support of Sponsor/Program needs. You'll join an impressive team of technical specialists who are motivated by one common goal. We are passionate about supporting our Program needs. You'll be an active contributor to the safeguarding of all PARSONS Sponsor network systems. With your help, we will provide information assurance, system administration, and systems engineering for mainly Windows and some Linux-based systems in multiple highly classified facilities. You'll independently identify and solve technical issues relating to Information Assurance system hardening (ensuring system availability, integrity, authentication and confidentiality).

As a System Administrator team member you will:
Collaborate with Information system Security Officer (ISSO) on the managed implementation of NISPOM, DAAPM, RMF, STIG, and PARSON security measures and requirements. This collaboration includes oversight as well as cooperation to ensure that security measures do not interfere with program deadlines and deliverables: protection of all classified information, encryption, authentication, logging, auditing, and intrusion detection. Determine necessary computer and software configurations for compliance with security requirements. Prepare for and support periodic security inspections. 

Work with the ISSM/ISSO to verify technical, management and documentation controls, and manage exceptions and POAMs.

Monitor Systems to ensure proper operation and respond to user help requests. Troubleshoot hardware, software, and network issues. Establish new user accounts and provide technical briefing to new users. Support facility and resident classified and unclassified IT needs. 

Configure, install and maintain Windows and Linux computer systems in a stand-alone and network environments. Plan and execute software maintenance and upgrade tasks for servers, workstation and network software. Provide system administrator support for dedicated projects. Provide system and software configuration documentation as needed. 

You will lock down Windows/Linux computers in a mixed environment based upon classified security requirements

Participate in planning of facility, computer hardware, and software upgrades (including purchases) in order to support user needs. Work with users to gather requirements and provide information to vendors. Work with vendors to troubleshoot technical issues and implement new capabilities. 

Maintain and upgrade network hardware and software to ensure computer systems properly interface with internal and external networks.


You meet our minimum qualifications for the job if you

  • Have 2+ years of experience working with Information Systems. Experience should include designing, building, deploying, operating, and troubleshooting Virtualization, Linux and/or Windows workstations and servers.

  • Demonstrable experience in POAM documentation and milestone completion.

  • Provide input to security relevant documentation such as security DISA STIG’s, SCAP tool, Nessus, System Security Plans, etc.

  • Hands on VMWare ESXi 6 or higher virtualization experience

  • Hands on experience with active directory group policy management

  • Experience working in a classified computer facility in information, intelligence, or security areas.

  • Understanding of computer operating systems, hardware, and software.

  • Develop complex solution for LAN and WAN environments.

  • CWAN/JWICS/SIPEnet /SGN experience

  • Excellent organizational and communication skills and the ability to effectively interact with managers and technical staff.

  • Experience conducting risk assessments.

  • Strong written communication and report writing abilities.

  • Strong organizational skills.

  • Log review experience

  • Current DoD 8570 certification (Security+).

  • Demonstrated ability to work with minimal supervision.

  • Hold an active Top Secret security clearance and can ultimately obtain a TS/SCI level clearance. If selected, you will be subject to a government security clearance investigation and must meet the requirements for access to classified information. Eligibility requirements include U.S. citizenship.

You’ll go above and beyond our minimum requirements if you

  • Have demonstrated experience working with the following technologies: Windows Server 2019/2022 administration and deployment, Windows 10 administration and deployment, Windows Active Directory and Group Policy Management, and Red Hat Enterprise Linux 7 and 8.

  • Experience with Virtualization experience with vSphere (vCenter/ESXi hosts) and troubleshooting virtual machine/operating systems in virtual environments.

  • Experience with creating, updating, and executing basic scripting – batch, PowerShell, BASH, Python

  • Experience with technology used to satisfy NIST requirements, such as Anti-Malware, Vulnerability scanning software, Ivanti, Splunk, or  etc.

  • Monitor system performance to support capacity planning, backup and disaster recovery planning

  • Process oriented and has experience working with formal change control processes

  • Skilled in Cisco networking equipment.

  • Experience with security auditing and configuration management tools

Minimum Clearance Required to Start:

Top Secret SCI w/Polygraph

This position is part of our Corporate team.

We’re driving the future of the national security and critical infrastructure markets. Our employees work in a close-knit team environment to find new, innovative ways to deliver smart solutions that are used and valued by customers around the world. By combining unique technologies with deep domain expertise across cybersecurity, missile defense, space, connected infrastructure, transportation, smart cities, and more, we're providing tomorrow's solutions today.

Salary Range: 

$83,300.00 - $145,800.00

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, Employee Stock Ownership Plan (ESOP), 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!

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!

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We’re committed to delivering innovative infrastructure, defense and security solutions to enable a sustainable, safer, smarter and more connected world.


Founded in 1944, Parsons Corporation, a digitally enabled solutions provider, is focused on creating the future of the defense, intelligence, and critical infrastructure markets. From Earth to outer space, we deliver tomorrow’s solutions today. Equipped with the capabilities required to take on any defense, intelligence, or critical infrastructure challenge, our agile, innovative, and disruptive approach enables us to deliver solutions at the speed of relevance.

Our people are our greatest asset. We strive to be an employer of choice that engages employees in the community and creates rewarding career paths to cultivate a resilient workforce that is ready for the future.


Parsons has contributed to major infrastructure projects in Canada since the 1940’s, helping to design and build many well-known landscapes across the country, including the Regina Bypass, Turcot Exchange, Kicking Horse Canyon, Olivier-Charbonneau Bridge, and the Edmonton Light Rail Transit. Our markets are diverse, including Bridge, Tunnel, Road and Highway, Aviation, Rail and Transit, Smart Vehicle Solutions, Smart Mobility, Integrated Delivery, Environmental Remediation, Mining and Reclamation, and Water/Wastewater, as well as serving numerous industrial clients. The Parsons’ signature stands out and our achievements have been recognized via numerous awards for innovation and quality, particularly in long-span bridges, complex brigles, and major road networks expansions. Our teams work across Canada in many provinces, including Alberta, Ontario, Manitoba, British Columbia, Quebec, Saskatchewan, Northern Territories and the Yukon.

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

2021 Forbes The Best Employers for Diversity Badge

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

2023 Military Friendly Top 10 Employer Badge
Diversity, Equity, Inclusion & Belonging Badge
2023 World's Most Ethical Companies Ethisphere Badge
2023 Readers' Choice Top 50 Employer for STEM Workforce Diversity
2023Woman Engineer Magazine Top 50 Employer Badge
2023 Los Angeles Business Journal DEI Company of The Year Badge
2023 Equality 100 Leader in LGBTQ+ Workplace Inclusion Badge
2023 Vets Indexes 4 Star Employer Badge
2023 Military Times Best Employer for Vets Badge
Proudly Supporting ESGR Badge
2023 Minority Engineer Magazine  Reader's Choice Top 50 Employer Badge
2022 U.S. Department of Labor Gold Award Badge
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4 Continents

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75+ Years

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17,000+ Employees

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80+ Languages


Financial Wellness

We care about your financial wellbeing. Parsons offers competitive pay and retirement plans to help you build wealth for the future while giving you the flexibility to diversify your investments.

Work Life Harmony

Balance in life is important and time away from the office is imperative to allow you to refresh and focus your attention on the things that matter to you. Parsons supports your time away by providing paid time off and paid flexible holidays.

Career Development

We are committed to fostering the personal and professional growth of our employees. Develop and advance yourself though our comprehensive training, educational and mentorship programs.

Veteran Support

We provide Industry leading benefits to support veterans and active-duty members to provide security for you and your family by offering robust leave and benefits; including paid active-duty military leave and paid time off when transitioning back to civilian life.

Mind & Body

At Parsons we inspire healthier habits, heathier minds, and a healthier you through our wellness program. Participate in our weekly Meditation Mondays and Wellness Wednesdays. Wellness, at Parsons, is more than just your annual checkup.


Health is not a one size fits all. At Parsons, we offer a robust Employee Assistance Program as well as comprehensive medical, dental and vision plans through large, national carriers with the choice of regional PPO, HDHP, or HMO networks.

Want to learn more about the benefits eligible for the Parsons’ location you are interested in? Connect with one of our recruiters for further detail.

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Parsons has a long-standing reputation as an industry leader in domestic and international engineering and construction projects. The company also has a solid history supporting federal government work.”

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Sr. Corporate Recruiter


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