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Parsons Corporation System Administrator (Junior) in Aberdeen, Maryland

Minimum Clearance Required to Start:


Job Description:

Parsons is now hiring an experienced Junior S ystem A dministrator to support Defense programs that focus on research, innovation and solving mission critical challenges. Parsons is a leader in the world of defense and cyber security. We need our administrators to be versatile, highly teachable and enthusiastic to tackle new challenges across the full-stack as we continue to push security forward. Working for Parsons will put your industry expertise to work and continue to propel your career forward as a Systems Administrator .

Position will be 80% Remote/20% Onsite location. Aberdeen Proving Ground, MD or additional locations are: Vicksburg, MS or Lorton, VA.

Candidates should have knowledge and experience in the maintenance of information security continuous monitoring software suites, Windows and Linux. This includes installing/updating, QA-testing and troubleshooting.


  • Hardware and software installation and management

  • Installation, configuration, administration, support and maintenance of production, and research systems on the unclassified and classified networks.

  • Updating to new systems, re-configuring existing systems for new missions as well as support on current systems by tuning performance, allocating storage space, and implementing critical system and application patches.

  • Maintaining systems security per DoD policy and industry best practices

  • Researching and reviewing hardware and software solutions

  • Working effectively with the team’s software developers to meet their needs

  • Supporting and coordinating with sites’ security managers, users, and onsite personnel

  • Recommend and participate in the discussions for technology upgrade/changes, and the required software and hardware requirements, advantages and impacts on the organization

  • Effective written and verbal communication skills

  • Strong time-management skills

  • Ability to multi-task work as part of a dedicated team


  • Associates degree or working toward a Bachelors degree

  • IAT Level II baseline certification (Security+, CISSP) is required by start date

  • OS Certification must have within 3 months of Start Date (MCSE, Linux+, etc.) - Parsons will assist in acquiring these certifications

  • CEH or equivalent certification within 3 months of Start Date - Parsons will assist in acquiring this certification

  • Active DoD Secret security clearance or higher which requires U.S. citizenship

  • Windows and Active Directory System Administration

  • McAfee ePolicy Orchestrator (HBSS) as user

  • Nessus (ACAS) as user

  • Understanding of Virtualized environments (VMware or similar)

  • Basic Networking Skills including TCP/IP & IPv6

  • Understanding of STIGs and hardening computer systems

  • Basic Linux Skills

Preferred/Desired Skills:

  • Bachelors degree and typically 2+ years of related professional experience

  • DoD/FISMA/NIST/RMF computing & networking security

  • OSX system administration

  • RHEL based Linux System administration

  • Configuration management (Puppet, Bolt, Chef, Ansible, Salt or similar)

  • SAN storage

  • Web server management (apache or similar)

  • Database management (MySQL, MariaDB, PostgreSQL)

  • Scripting (bash, python, perl)

Must be able to obtain, maintain and/or currently possess a security clearance.

The position may require a COVID vaccination or an approved accommodation/exemption for a disability/medical condition or religious belief as required by federal, state, provincial or local mandates or customer requirements.

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+.

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