Senior Systems Administrator

The Amatriot Group

Senior Systems Administrator for Amatriot Group supporting operational systems for the Defense Intelligence Agency. Managing Linux servers and providing Tier 1 and Tier 2 support for system issues.

Posted 7/18/2026full-timeReston • Virginia • 🇺🇸 United StatesSenior💰 $150,000 - $180,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in system administration, particularly with Linux and UNIX in classified environments, while effectively managing both virtual and physical servers. Proficient in troubleshooting, optimizing system performance, and ensuring security compliance in accordance with established standards.

Highest-signal resume keywords

Linux System AdministrationOracle Database ManagementSystem Performance OptimizationDoD 8570 CertificationPostgreSQL Database Support

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

System AdministrationLinux (RHEL, Ubuntu, CentOS)UNIXWindows Server AdministrationOracle Database InstallationPostgreSQL ManagementSystem MonitoringBackup ManagementScripting (PL/SQL, Shell)Security Vulnerability Remediation

Tools & Technologies

Virtual ServersPhysical ServersAPI ServicesDPaaS

Certifications & Qualifications

DoD 8570 CertificationSecurity+ CECASPCISSP

Industry Keywords

DoDIIS MessagingDODIIS SecurityRMFSTIGs

Tech Stack

Tools & technologies

LinuxOraclePostgresShell ScriptingSQLUnix

About the role

Key responsibilities & impact

Support the National Programs Intelligence Systems & Application Operating Unit.
Oversee and manage both virtual and physical servers for enterprise, regional, and local systems.
Install, configure, document, maintain, and support server environments hosting mission-critical applications and infrastructure services.
Ensure system software is properly integrated and supports enterprise applications.
Maintain operational baselines.
Monitor and optimize system performance, including CPU, memory, disk usage, and response times.
Troubleshoot and resolve system issues related to resource usage.
Provide Tier 1 and Tier 2 support for troubleshooting, diagnosing, and resolving system and database issues.
Collaborate with cross-functional teams and external partners to install and configure server systems.

Requirements

What you’ll need

BA/BS degree with 5+ years of relevant experience; or Masters degree with 3+ years of experience.
Proven experience in system administration, specifically with Linux, including RHEL and Ubuntu, and UNIX in classified environments.
Some Windows server administration experience would be good to have.
Hands-on experience with Oracle Database installation, maintenance, and troubleshooting.
Experience managing both virtual and physical servers.
Experience performing system monitoring.
Experience with backup management.
Experience implementing performance optimizations.
Currently valid DoD 8570 certification such as Security+ CE, CASP, CISSP, or similar security certification.
Linux, including RHEL and CentOS, and Windows system administration certifications.
DoDIIS Messaging experience.
Familiarity with DODIIS security/builds.
Experience installing, configuring, managing, and supporting PostgreSQL and Oracle databases in a classified environment.
Ability to work after hours and weekends when needed for deployments.
Solid understanding of remediating security vulnerabilities.
Experience hardening Linux systems in accordance with RMF and STIGs.
Experience with Linux-based procedures and scripting such as PL/SQL and UNIX common shell scripting, including k, c, bash, and similar shells.
Knowledge of API Services, including DPaaS.

Benefits

Comp & perks

🌐 Worldwide ❌ Jobs You've Hidden ⭐️ Saved Jobs ✅ Applied Jobs ✉️ Email Alerts 👤 Account The Amatriot Group Website LinkedIn All Job Openings 201 - 500 employees Founded 2011 🎯 Recruiter 🏛️ Government 🔒 Cybersecurity Recruitment
Government
Cybersecurity The Amatriot Group is a talent solutions firm that provides technology and staffing services to federal and commercial clients, with a strong focus on intelligence, defense, and national security missions. Since 2011 it has delivered mission-critical IT support—including IT administration, cloud architecture/DevOps, data analytics and architecture, engineering and technical training, and cybersecurity—rapidly filling workforce gaps in highly secure environments and meeting compliance requirements such as CMMC Level 2. The company emphasizes speed-to-market staffing, veteran and internal workforce programs, and a culture focused on employee development and retention. Senior Systems Administrator 🔥 1 hour ago 🏢🏡 Reston – Hybrid 💵 $150k - $180k / year ⏰ Full Time 🟠 Senior ⌨️ Systems Administrator Apply Now Find Hiring Managers Customize resume + cover letter Report problem ☆ Save ☑️ Mark as applied ❌ Hide 📋 Description
Support the National Programs Intelligence Systems & Application Operating Unit.
Oversee and manage both virtual and physical servers for enterprise, regional, and local systems.
Install, configure, document, maintain, and support server environments hosting mission-critical applications and infrastructure services.
Ensure system software is properly integrated and supports enterprise applications.
Maintain operational baselines.
Monitor and optimize system performance, including CPU, memory, disk usage, and response times.
Troubleshoot and resolve system issues related to resource usage.
Provide Tier 1 and Tier 2 support for troubleshooting, diagnosing, and resolving system and database issues.
Collaborate with cross-functional teams and external partners to install and configure server systems. 🎯 Requirements
BA/BS degree with 5+ years of relevant experience; or Masters degree with 3+ years of experience.
Proven experience in system administration, specifically with Linux, including RHEL and Ubuntu, and UNIX in classified environments.
Some Windows server administration experience would be good to have.
Hands-on experience with Oracle Database installation, maintenance, and troubleshooting.
Experience managing both virtual and physical servers.
Experience performing system monitoring.
Experience with backup management.
Experience implementing performance optimizations.
Currently valid DoD 8570 certification such as Security+ CE, CASP, CISSP, or similar security certification.
Linux, including RHEL and CentOS, and Windows system administration certifications.
DoDIIS Messaging experience.
Familiarity with DODIIS security/builds.
Experience installing, configuring, managing, and supporting PostgreSQL and Oracle databases in a classified environment.
Ability to work after hours and weekends when needed for deployments.
Solid understanding of remediating security vulnerabilities.
Experience hardening Linux systems in accordance with RMF and STIGs.
Experience with Linux-based procedures and scripting such as PL/SQL and UNIX common shell scripting, including k, c, bash, and similar shells.
Knowledge of API Services, including DPaaS. Apply Now 📊 Check your resume score for this job Improve your chances of getting an interview by checking your resume score before you apply. Check Resume Score Similar Jobs Senior IT Systems Administrator 🕒 July 10 scouted. 1 - 10 🎯 Recruiter 🏠 Real Estate Website LinkedIn All Job Openings Senior IT Systems Administrator managing the design and implementation of IT systems for Scout Space. Leading IT operations and supporting organizational growth with a focus on scalability. 🏢🏡 Reston – Hybrid 💵 $120k - $200k / year ⏰ Full Time 🟠 Senior ⌨️ Systems Administrator View More Systems Administrator Jobs 🌐 Worldwide Built by Lior Neu-ner. I'd love to hear your feedback — Get in touch via DM or support@remoterocketship.com Search Search Jobs by country Search jobs by city Search jobs by job title Search entry-level jobs Search junior-level jobs Search senior-level jobs Search jobs by tech stack Search jobs by contract type Search remote internships Search remote part-time jobs Remote jobs Anywhere in the World Companies Hiring Anywhere in the World Companies Hiring Sales People Anywhere in the World Companies Hiring Software Engineers Anywhere in the World Resources Advice Tips for finding remote jobs Interview questions and answers Resume examples Cover letter examples Post a job Affiliates Privacy policy Terms of service Job board SEO course AI Apply Copilot OpenClaw job finder Find jobs using your resume Jobs by Country Remote jobs anywhere in the world (Worldwide remote jobs) Remote jobs United States Remote jobs Australia Remote jobs Brazil Remote jobs Canada Remote jobs France Remote jobs Ireland Remote jobs Germany Remote jobs Netherlands Remote jobs Spain Remote jobs UK Popular Jobs Remote data analyst jobs Remote customer support jobs Remote executive assistant jobs Remote marketing jobs Remote product designer jobs Remote product manager jobs Remote project manager jobs Remote recruiter jobs Remote sales jobs Remote software engineer jobs Jobs by Type Remote full-time jobs Remote part-time jobs Remote contract jobs Remote internship jobs Remote entry-level jobs Remote jobs with no experience required Remote junior jobs (1-3 years of experience) Digital nomad jobs Remote jobs with no degree required Freelance remote jobs Temporary remote jobs Remote jobs hiring now Stay at home mom jobs