Systems Administrator 802

Freedom Technology Solutions Group; McLean (VA); On-site; USD 110,000 - 150,000; Full time

Benefits offered by this job

Flexible work environment

Competitive compensation

Paid time off

401k matching

Tuition reimbursement

Job summary

Freedom Technology Solutions Group in McLean, VA is seeking a Linux System Administrator to manage enterprise Linux environments, including on-prem and cloud sites. The role emphasizes availability, security, backups, and automation to keep systems reliable and compliant.

You will work hands-on in a production setting across Red Hat/Debian distributions with exposure to AWS and GCP. The ideal candidate has 5+ years of Linux administration experience, strong troubleshooting, and the ability to

Qualifications

• 5+ years of professional Linux System Administration experience.
• Experience with Red Hat-based and Debian-based distributions.
• Experience with cloud platforms (AWS, GCP).

Responsibilities

• Administer and maintain Linux servers across on-prem and cloud.
• Provision AWS/GCP resources and monitor health.
• Troubleshoot system, network, and application issues.
• Perform OS updates, patching, and security hardening.
• Develop automation with Bash, Python, Ansible.
• Document configurations and support knowledge sharing.
• Provide tiered help desk support.
• Participate in on-call rotation.

Skills

Linux administration

Cloud experience

Automation scripting

Log analysis

Security/compliance

AWS familiarity

Education

Bachelor's degree in a technical field

Tools

Ansible

AWS

Docker

Kubernetes

PostgreSQL

GCP

Job description

Freedom Technology Solutions Group is looking for aLinux System Administrator (SA) to join our team at acustomer site in McLean, VA to support a mission-critical geospatial data visualization application. The Linux SA willbe responsible for the day-to-day operation of enterprise Linux systems. In this role, you will operate, monitor,secure, and maintain Linux-based infrastructure across physical, virtual, and cloud-hosted environments. Yourfocus will be on system availability, performance, backups, security compliance, and proactive operations, usingautomation, monitoring, and disciplined operational practices to keep systems reliable and compliant. This is ahands-on role for an experienced Linux SA who takes ownership and operates effectively in availability- andcompliance-driven production environments.

Responsibilities:

• Administer, configure, and maintain enterprise Linux servers (RHEL 8) across on-prem and cloud environments, ensuring system stability, performance, and security
• Support cloud-based infrastructure (AWS, GCP), including provisioning Linux hosts, monitoring system health and resource utilization, and optimizing compute, storage, and cost as part ofday-to-day operations.
• Perform advanced troubleshooting of system, network, and application issues, using in-depth log analysis and system diagnostics to identify root causes and resolve complex production problems.
• Perform OS maintenance activities, including system updates, patching, performance tuning, configuration management, and security hardening in accordance with operational and compliance requirements.
• Develop and maintain automation using Bash, Python, Ansible, or similar tools to streamline system administration tasks, reduce manual effort, and improve operational consistency.
• Install, configure, and support Linux-hosted software applications, virtualization platforms, and associated infrastructure components required to support mission workloads.
• Document system configurations, operational procedures, and troubleshooting guidance, and contribute to shared knowledge bases to support team continuity and operational maturity.
• Provide tiered help desk support to system users, including issue triage, escalation, and resolution.
• Participate in operational meetings and daily task coordination, providing status updates and collaborating with team members and stakeholders to support ongoing system operations.
• Participate in an operational phone rotation to respond to time-sensitive issues outside of normal business hours.

Key Technologies

• Software: Apache Webserver, PostGres SQL/PostGIS, OMAR, OSSIM, RedHat Linux, FreeIPA, Microsoft Windows Server, Microsoft Office, Microsoft Internet Information Service, OGC Web. Services (WMS, WFS, WCS), Google Earth Client, Geospatial products.
• Hardware: Network Attached Storage (NAS) deployment and maintenance; firewall, switch, and router installation, deployment and maintenance; server.

Required Qualifications

• TS/SCI with Polygraph.
• Bachelor’s degree in a related technical field.
• Minimum of 5 years of professional experience as a Linux System Administrator or in a closely related systems administration role supporting production environments.
• Demonstrated proficiency administering Linux systems (Red Hat–based and/or Debian-based distributions), including system configuration, patching, performance tuning, and troubleshooting.
• Experience working with Elastic.
• Strong working knowledge of cloud environments, especially AWS (compute, storage, monitoring).
• Proven ability to analyze system and application logs (e.g., syslog, system journals, application logs) to diagnose issues, identify root causes, and resolve complex problems.
• Solid understanding of infrastructure fundamentals, including server hardware, storage systems, virtualization technologies, and core networking concepts.
• Experience deploying, maintaining, and patching open-source and custom applications on Linux platforms in compliance-driven or regulated environments.
• Experience supporting security and compliance requirements for Linux systems, including authentication and authorization fundamentals and support for ATO-driven operations.
• Ability to work independently with minimal supervision, while also collaborating effectively within a technical team and communicating clearly with stakeholders.
• Strong problem-solving skills and the ability to communicate technical issues and resolutions effectively in both written and verbal form.

Desired Qualifications

• Experience supporting hybrid cloud and on-prem environments, including familiarity with AWS and other government or IC cloud platforms (e.g., C2S).
• Exposure to automation and configuration management tools such as Ansible, as well as scripting in Bash or Python beyond basic operational tasks.
• Familiarity with CI/CD pipelines and DevOps tools, including Jenkins, GitLab, Docker, Kubernetes, or OpenShift.
• Experience supporting PostgreSQL.
• Familiarity with enterprise monitoring, logging, and observability tools and using metrics to improve system reliability and performance.
• Experience working with enterprise storage solutions (NFS, NAS, SAN) and backup/recovery platforms.
• Prior experience supporting mission, data-driven, or intelligence-community systems in classified or regulated environments.
• Relevant technical certifications, such as Linux (RHCSA/RHCE), AWS, Cisco, or related infrastructure certifications.

What’s in It for You?

• Flexible work environment
• A team mentality – work with friendly, like-minded professionals
• Work with innovative, cutting edge technologies
• Enjoy extremely competitive compensation and benefits
• A work-life balance you can count on
• Opportunities to grow and advance your career on our dime

The Benefits You Get with Freedom

• Amazing benefits including matching 401k, fully paid medical, and more
• Generous paid time off – including paid site closure days
• Competitive salary offerings
• Paid training and tuition reimbursement
• Fully paid life and disability
• Company sponsored events (game nights, holiday party, summer party, happy hours)

As an Equal Opportunity Employer, we do not discriminate on the basis of race, color, religion, sex, age, marital status, disability or veteran status

Accessibility: If you need an accommodation as part of the employment process, please contact Human Resources at

Phone: [phone]

Equal Opportunity Employer, including disabled and veterans.

Voluntary Self-Identification

For government reporting purposes, we ask candidates to respond to the below self-identification survey.Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiringprocess or thereafter. Any information that you do provide will be recorded and maintained in aconfidential file.

As set forth in Freedom Technology Solutions Group’s Equal Employment Opportunity policy,we do not discriminate on the basis of any protected group status under any applicable law.

If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection.As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measurethe effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categoriesis as follows:

A \"disabled veteran\" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.

A \"recently separated veteran\" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.

An \"active duty wartime or campaign badge veteran\" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.

An \"Armed forces service medal veteran\" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.