Systems Administrator 706

Freedom Technology Solutions Group; McLean (VA); Hybrid; USD 120,000 - 150,000; Full time

Benefits offered by this job

Flexible work environment

Competitive compensation

Paid training and tuition assistance

Full benefits including 401k matching

Paid time off and site closure days

Job summary

Freedom Technology Solutions Group in McLean, VA seeks a Linux System Administrator to operate a mission-critical geospatial visualization application. The role centers on maintaining Linux-based infrastructure across on-prem, cloud, and hybrid environments with emphasis on availability, performance, security, and compliance.

You will automate tasks with Bash, Python, and Ansible; monitor performance; manage backups; and provide tiered support.

Qualifications

• Bachelor’s degree in a related technical field.
• Minimum of 5 years of professional experience as a Linux System Administrator or similar role.
• Proficiency administering Linux systems (Red Hat-based and/or Debian-based).
• Experience with Elastic stack.
• Strong knowledge of AWS cloud environment.

Responsibilities

• Administer, configure, and maintain enterprise Linux servers (RHEL 8) across on-prem and cloud environments.
• Support cloud-based infrastructure (AWS, GCP) including provisioning Linux hosts and monitoring health.
• Troubleshoot system, network, and application issues using logs and diagnostics.
• Perform OS maintenance, patching, performance tuning, and security hardening.
• Develop automation using Bash, Python, Ansible, or similar tools.
• Document configurations and create troubleshooting guidance.

Skills

Linux system administration

Red Hat / Debian

AWS

GCP

Shell scripting

Ansible

Security compliance

Log analysis

Networking fundamentals

Open source software

Education

Bachelor’s degree in a technical field

Tools

Ansible

Docker

Kubernetes

OpenShift

GitLab

Jenkins

Terraform

FreeIPA

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

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