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Full Timemid
Washington, District of Columbia, USPosted February 26, 2026

Job Description

We have an exciting full time opportunity for a System Administrator to join our growing mission critical team! System Administrators are responsible for the installation, configuration, maintenance, and security of an organization's computer systems. They ensure the smooth operation of IT infrastructure, high availability of data, applications, and systems as well as providing world class technical support to end-users. This role requires an active Top Secret clearance with the ability to obtain SCI.

Responsibilities

  • System Configuration and Maintenance: Install, configure, and maintain operating systems, applications, and software patches. Monitor system performance and troubleshoot issues to ensure optimal operation.
  • Security Management: Implement security measures to protect systems from unauthorized access, viruses, and other cyber threats. Conduct regular security audits and apply patches and updates as needed.
  • Helpdesk Support: Provide technical support to end-users, including troubleshooting hardware and software issues, setting up user accounts, and resolving connectivity issues.
  • Backup and Recovery: Implement backup and disaster recovery solutions to protect data integrity and minimize downtime. Test backup systems regularly to ensure reliability.
  • Documentation and Reporting: Maintain accurate documentation of system configurations, procedures, and troubleshooting steps. Generate reports on system performance, capacity, and security.
  • Automation and Optimization: Identify opportunities to automate repetitive tasks and streamline system administration processes. Implement automation tools and scripts to improve efficiency.
  • Collaboration and Communication: Collaborate with other IT teams and departments to support organizational goals and initiatives. Communicate effectively with stakeholders to ensure alignment and transparency.

Required Qualifications:

  • Active Top Secret clearance with eligibility for Sensitive Compartmented Information (SCI) access required.
  • Bachelor's degree in Information Technology, Computer Science, or related field preferred.
  • 5 years of experience in IT support, system administration or a related role.
  • Security+ Certification.
  • Willingness and ability to flex between 1st and 2nd shift (6am to 2pm Eastern OR 2pm to 10pm Eastern)

Preferred Qualifications

  • Strong knowledge of Windows and/or Linux operating systems.
  • Experience with virtualization technologies such as VMware or Hyper-V.
  • Familiarity with networking concepts and protocols.
  • Excellent troubleshooting and problem-solving skills.
  • Exceptional communication and interpersonal skills.

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Here at Harmonia we are pleased to have been repeatedly recognized for our outstanding work culture, the innovative work we do, and the employees on our team who make a difference each day. Some of these recognitions include:

  • Recognized as a Top 20 "Best Place to Work in Virginia"
  • Recipient of Department of Labor's HireVets Gold Medallion
  • Great Place to Work Certification for five years running
  • A Virginia Chamber of Commerce Fantastic 50 company
  • A Northern Virginia Technology Council Tech 100 company
  • Inc. 5000 list of fastest growing companies for eleven years
  • Two-time SBA SBIR Tibbett's Award winner
  • Virginia Values Veterans (V3) Certification

We recognize that every bit of our success is the result of our teams of hard-working, motivated, and innovative professionals who are proud to call themselves part of the Harmonia family! In addition to competitive compensation, a family-focused culture, and a dynamic, productive work environment, we offer all full-time employees a variety of benefits including, but not limited to

  • Traditional and HSA- eligible medical insurance plans
  • 100% employer-paid dental and vision insurance options
  • 100% employer-sponsored STD, LTD, and life insurance
  • 5% 401(k) company matching
  • Flexible-schedules and teleworking options
  • Paid holidays and PTO Accrual Plans
  • Paid Parental Leave
  • Professional development and career growth opportunities
  • Team and company-wide events, recognition, and appreciation-- and so much more!

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