{"id":89183,"url":"https://alion.io/job/freedom-consulting-group-systems-administrator-706","title":"Systems Administrator 706","company":{"id":98194,"name":"Freedom Consulting Group","domain":"freedomconsultinggroup.com","url":"https://alion.io/company/freedom-consulting-group","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":82,"open_postings":92,"ghost_share":0.217,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":88,"computed_at":"2026-10-28T05:59:10Z"}},"role":"DevOps","role_family":"DevOps","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Columbia, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":137000,"max_usd":262000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1808},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"Apache HTTP Server","optional":false},{"name":"AWS","optional":false},{"name":"Bash","optional":false},{"name":"CI/CD","optional":false},{"name":"Configuration Management","optional":false},{"name":"Debian","optional":false},{"name":"Docker","optional":false},{"name":"GCP","optional":false},{"name":"GitLab","optional":false},{"name":"Jenkins","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"Microsoft Office","optional":false},{"name":"OpenShift","optional":false},{"name":"PostGIS","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"Red Hat","optional":false},{"name":"SQL","optional":false},{"name":"Windows Server","optional":false}],"status":"closed","first_seen_at":"2026-07-10T17:51:31Z","employer_posted_date":"2026-08-03","last_verified_at":"2026-10-26T16:21:25Z","board_verified":false,"closed_at":"2026-10-26T16:21:25Z","days_open":107,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":107},"description":"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.\nResponsibilities:\nAdminister, configure, and maintain enterprise Linux servers (RHEL 8) across on-prem and cloud environments, ensuring system stability, performance, and security\nSupport 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.\nPerform 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.\nPerform OS maintenance activities, including system updates, patching, performance tuning, configuration management, and security hardening in accordance with operational and compliance requirements.\nDevelop and maintain automation using Bash, Python, Ansible, or similar tools to streamline system administration tasks, reduce manual effort, and improve operational consistency.\nInstall, configure, and support Linux-hosted software applications, virtualization platforms, and associated infrastructure components required to support mission workloads.\nDocument system configurations, operational procedures, and troubleshooting guidance, and contribute to shared knowledge bases to support team continuity and operational maturity.\nProvide tiered help desk support to system users, including issue triage, escalation, and resolution.\nParticipate in operational meetings and daily task coordination, providing status updates and collaborating with team members and stakeholders to support ongoing system operations.\nParticipate in an operational phone rotation to respond to time-sensitive issues outside of normal business hours.\nKey Technologies\nSoftware: 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.\nHardware: Network Attached Storage (NAS) deployment and maintenance; firewall, switch, and router installation, deployment and maintenance; server.\nRequired Qualifications\nTS/SCI with Polygraph.\nBachelor’s degree in a related technical field.\nMinimum of 5 years of professional experience as a Linux System Administrator or in a closely related systems administration role supporting production environments.\nDemonstrated proficiency administering Linux systems (Red Hat-based and/or Debian-based distributions), including system configuration, patching, performance tuning, and troubleshooting.\nExperience working with Elastic.\nStrong working knowledge of cloud environments, especially AWS (compute, storage, monitoring).\nProven ability to analyze system and application logs (e.g., syslog, system journals, application logs) to diagnose issues, identify root causes, and resolve complex problems.\nSolid understanding of infrastructure fundamentals, including server hardware, storage systems, virtualization technologies, and core networking concepts.\nExperience deploying, maintaining, and patching open-source and custom applications on Linux platforms in compliance-driven or regulated environments.\nExperience supporting security and compliance requirements for Linux systems, including authentication and authorization fundamentals and support for ATO-driven operations.\nAbility to work independently with minimal supervision, while also collaborating effectively within a technical team and communicating clearly with stakeholders.\nStrong problem-solving skills and the ability to communicate technical issues and resolutions effectively in both written and verbal form.\nDesired Qualifications\nExperience supporting hybrid cloud and on-prem environments, including familiarity with AWS and other government or IC cloud platforms (e.g., C2S).\nExposure to automation and configuration management tools such as Ansible, as well as scripting in Bash or Python beyond basic operational tasks.\nFamiliarity with CI/CD pipelines and DevOps tools, including Jenkins, GitLab, Docker, Kubernetes, or OpenShift.\nExperience supporting PostgreSQL.\nFamiliarity with enterprise monitoring, logging, and observability tools and using metrics to improve system reliability and performance.\nExperience working with enterprise storage solutions (NFS, NAS, SAN) and backup/recovery platforms.\nPrior experience supporting mission, data-driven, or intelligence-community systems in classified or regulated environments.\nRelevant technical certifications, such as Linux (RHCSA/RHCE), AWS, Cisco, or related infrastructure certifications.\nWhat’s in It for You?\nFlexible work environment\nA team mentality - work with friendly, like-minded professionals\nWork with innovative, cutting edge technologies\nEnjoy extremely competitive compensation and benefits\nA work-life balance you can count on\nOpportunities to grow and advance your career on our dime\nThe Benefits You Get with Freedom\nAmazing benefits including matching 401k, fully paid medical, and more\nGenerous paid time off - including paid site closure days\nCompetitive salary offerings\nPaid training and tuition reimbursement\nReferral bonuses\nFully paid life and disability\nAnnual logo wear allowance\nCompany sponsored events (game nights, holiday party, summer party, happy hours)\nInterested in learning more about Freedom and our culture? Contact us today! We’re constantly hosting hiring events in our office and elsewhere, to help you get a sense of what life is like at Freedom before joining the team.\nAs an Equal Opportunity Employer, we do not discriminate on the basis of race, color, religion, sex, age, marital status, disability or veteran status\nApplicant Federal & E-Verify Postings\nVEVRAA Federal Contractor\nAccessibility: If you need an accommodation as part of the employment process, please contact Human Resources at\nPhone: 410-290-9035 \nEmail: \nEqual Opportunity Employer, including disabled and veterans.\nIf you want to view the EEO Law poster, please choose your language: English - Spanish - Arabic - Chinese\nIf you want to view the EEO Law Supplement poster, please choose your language: English - Spanish - Chinese\nIf you want to view the Pay Transparency Policy Statement, please click the link: 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