Systems Administrator 706
Freedom Technology Solutions GroupMcLean, Virginia, United States · Posted 1 month agoDescription
Freedom Technology Solutions Group is looking for a Linux System Administrator (SA) to join our team at a customer site in McLean, VA to support a mission-critical geospatial data visualization application. The Linux SA will be 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. Your focus will be on system availability, performance, backups, security compliance, and proactive operations, using automation, monitoring, and disciplined operational practices to keep systems reliable and compliant. This is a hands-on role for an experienced Linux SA who takes ownership and operates effectively in availability- and compliance-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.
Similar jobs
Est. 114,000 USD
Freedom Technology Solutions Group is seeking a Full Stack Software Engineer to develop modern cloud-native applications supporting mission-critical intelligence and geospatial platforms. You will design, develop, and ma…
Est. 124,000 USD
Freedom Technology Solutions Group is looking for an Applications Developer/ Software Engineer to add to our team based out of Virginia! This work is new and requires experience or familiarity with the following skillset…
Est. 144,000 USD
Freedom Technology Solutions Group is currently seeking a Software Engineer Lead to work on a suite of services that will supply users with tools to automate a wide range of enterprise-wide applications and data centric…
Est. 118,000 USD
Freedom Technology Solutions Group is seeking a Data Scientist to support mission-critical intelligence analysis and geospatial data exploitation. You will develop analytical models, statistical methodologies, and data-d…
Est. 120,000 USD
Freedom Technology Solutions Group is seeking a motivated, career and customer-oriented Cyber Subject Matter Expert - Scientist to perform on our Cybersecurity Data Analysis Services team in the Springfield, VA. The Cybe…
Est. 160,000 USD
Join a team that powers the business enterprise behind the mission. Freedom supports the sustainment, modernization, and transformation of more than 100 enterprise business systems that enable tens of thousands of govern…
Est. 141,000 USD
Freedom Technology Solutions Group is looking for a Cloud Solutions Architect to add to our growing team based out of Virginia! The ideal candidate has familiarity with the following skillsets: Programming Languages &…
Est. 124,000 USD
Freedom Technology Solutions Groups is looking to add a senior Software Engineer to the team! This position is fully onsite in St. Louis, MO. The ideal candidate must have demonstrated firsthand experience in at least th…
Est. 120,000 USD
Freedom Technology Solutions Groups is looking to add a Cyber Data Analysis Engineer to the team in both St. Louis, MO Springfield, VA. The Opportunity: Responsible for building/maintaining data-pipelines for associated…
Est. 175,000 USD
Join a team that powers the business enterprise behind the mission. Freedom supports the sustainment, modernization, and transformation of more than 100 enterprise business systems that enable tens of thousands of govern…
Est. 155,000 USD
Freedom Technology Solutions Group is seeking a Senior System Engineer. Our mission supports the Government Corporate Management Services (CMS) by providing full life cycle support services through the sustainment, moder…
Est. 110,000 USD
Freedom Technology Solutions Group is seeking a highly skilled Systems Administrator to support one of our partners in delivering secure, resilient, and mission-critical capabilities across a complex environment. This pr…
Est. 144,000 USD
Freedom Technology Solutions Group is seeking a System Engineer to support the enhancement, sustainment, and modernization of ground-based satellite geolocation systems. The ideal candidate will contribute to the full en…
Est. 120,000 USD
Freedom Technology Solutions Group is looking to add an IT and Tech Ops Engineer to the team! The work environment is the force of choice for the development of global infrastructure and delivery of solutions that drive…
Est. 124,000 USD
Freedom Technology Solutions Group is looking for a Cloud Engineer to accelerate mission delivery and connect mission partners with the power of commercially-driven cloud computing. The team brings multi-cloud solutions…
Est. 118,000 USD
Freedom Technology Solutions Group is looking for a Data Scientist to apply and enhance their skills with developing, running, and analyzing results of complex queries against massive scale data stores. The candidate wil…
Est. 240,000 USD
Freedom Technology Solutions Group is looking for an ambitious, experienced Senior System Engineer to join our established team. In this role you will provide support for the integration of requirements, design, and tech…
Est. 140,000 USD
Freedom Technology Solutions Group is seeking a System Architect to provide support specializing in project and system integration to perform dataset collection and exploitation for the customers operational needs. This…
Est. 124,000 USD
Freedom Technology Solutions Group is seeking a Machine Learning Engineer to develop, deploy, and optimize production AI/ML capabilities supporting mission-critical geospatial and intelligence systems. You will work at t…
Est. 124,000 USD
Freedom Technology Solutions Group is seeking a Software Engineer (Backend Developer) to support our client’s intelligence analysis products and capabilities. This position involves providing software development capabil…
Est. 55,000 USD
Freedom Technology Solutions Group is seeking a highly skilled Hardware Technician to support one of our important partners, delivering secure, resilient, and mission-critical capabilities across a complex environment. T…
Est. 124,000 USD
Freedom Technology Solutions Groups is looking to add a mid level Software Engineer to the team! This position is fully onsite in St. Louis, MO. Required Experience: Demonstrated firsthand experience in at least two of t…
Est. 125,000 USD
Join Our Mission-Focused Team — This Position Is Eligible for a $25,000 Welcome Bonus for Qualified Candidates! We are seeking a Senior System Administrator to join one of our Prime Contracts supporting the Government's…
Est. 115,000 USD
Freedom Technology Solutions Group is seeking a System Engineer to support the enhancement, sustainment, and modernization of ground-based satellite geolocation systems. The ideal candidate will contribute to the full en…
Est. 232,500 USD
Join Our Mission-Focused Team — This Position Is Eligible for a $25,000 Welcome Bonus for Qualified Candidates! We are seeking a Senior System Integrator to join one of our Prime Contracts supporting the Government's Cor…
Est. 124,000 USD
Freedom Technology Solutions Group is seeking a skilled and motivated Software Engineer to join our team on a prime contract supporting a mission-focused customer. In this role, you will develop cutting-edge geospatial a…
Est. 210,000 USD
We’re looking for a passionate DevOps Engineer / System Administrator to join our team and help drive the evolution of a modern infrastructure. This role is ideal for someone who thrives on automation, scalability, and b…
Est. 175,000 USD
We’re looking for a passionate DevOps Engineer / Cloud Platform Engineer to join our team and help drive the evolution of a modern infrastructure. This role is ideal for someone who thrives on automation, scalability, an…
Est. 250,000 USD
Join the team at Freedom Technology Solutions Group and elevate your career! Enjoy the perks of telecommuting and flexible scheduling. Don’t wait—submit your application today and embark on a thrilling professional journ…
Est. 124,000 USD
Freedom Technology Solutions Group is seeking a Senior Full Stack Web Application Developer in Herndon VA to work on a suite of services that will supply users with tools to automate a wide range of enterprise-wide appli…