Systems Administrator 802

Freedom Technology Solutions Group•McLean, VA

11d•Onsite

About The Position

Freedom Technology Solutions Group is seeking a Linux System Administrator to support a mission-critical geospatial data visualization application at a customer site in McLean, Virginia. The role is responsible for day-to-day operation of enterprise Linux systems across physical, virtual, on-premises, and cloud-hosted environments. The administrator will help ensure system availability, performance, backups, security compliance, and proactive operations in production environments with availability and compliance requirements. This is a hands-on position involving Linux system administration, cloud infrastructure support, troubleshooting, maintenance, security hardening, automation, and application support. The role also includes documentation, tiered help desk support, coordination with teammates and stakeholders, and participation in an operational phone rotation for time-sensitive issues outside normal business hours.

Requirements

Active TS/SCI with Polygraph.
Bachelor's degree in a related technical field.
At least 5 years of professional experience as a Linux System Administrator or in a closely related systems administration role supporting production environments.
Proficiency administering Linux systems, including Red Hat-based and/or Debian-based distributions, system configuration, patching, performance tuning, and troubleshooting.
Experience working with Elastic.
Strong working knowledge of cloud environments, especially AWS compute, storage, and monitoring.
Ability to analyze system and application logs, including syslog, system journals, and application logs, to diagnose issues and resolve complex problems.
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 Linux security and compliance requirements, including authentication and authorization fundamentals and ATO-driven operations.
Ability to work independently with minimal supervision and collaborate effectively with a technical team and stakeholders.
Strong problem-solving skills and effective written and verbal communication of technical issues and resolutions.

Nice To Haves

Experience supporting hybrid cloud and on-premises environments, including familiarity with AWS and other government or intelligence-community cloud platforms such as C2S.
Exposure to automation and configuration management tools such as Ansible and to Bash or Python scripting 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 use of metrics to improve system reliability and performance.
Experience with enterprise storage solutions such as NFS, NAS, and 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.

Responsibilities

Administer, configure, and maintain enterprise Linux servers, including RHEL 8, across on-premises and cloud environments.
Support AWS and GCP infrastructure by provisioning Linux hosts, monitoring system health and resource utilization, and optimizing compute, storage, and cost.
Troubleshoot system, network, and application issues using log analysis and system diagnostics to identify root causes and resolve production problems.
Perform operating system maintenance, including updates, patching, performance tuning, configuration management, and security hardening.
Develop and maintain automation using Bash, Python, Ansible, or similar tools.
Install, configure, and support Linux-hosted software applications, virtualization platforms, and related infrastructure components.
Document system configurations, operational procedures, and troubleshooting guidance, and contribute to shared knowledge bases.
Provide tiered help desk support, including issue triage, escalation, and resolution.
Participate in operational meetings and daily task coordination, provide status updates, and collaborate with team members and stakeholders.
Participate in an operational phone rotation to respond to time-sensitive issues outside normal business hours.
Support and maintain technologies including Apache, PostgreSQL/PostGIS, OMAR, OSSIM, Red Hat Linux, FreeIPA, Microsoft Windows Server, Microsoft Office, Microsoft IIS, OGC web services, Google Earth Client, and geospatial products.
Deploy and maintain network-attached storage and install, deploy, and maintain firewalls, switches, routers, and servers.

Benefits

Matching 401(k).
Fully paid medical coverage.
Generous paid time off, including paid site closure days.
Competitive salary offerings.
Paid training and tuition reimbursement.
Referral bonuses.
Fully paid life and disability coverage.
Annual logo wear allowance.
Company-sponsored events, including game nights, holiday parties, summer parties, and happy hours.
Flexible work environment.
Work-life balance.
Opportunities to grow and advance your career.