43 junior linux system administrator jobs at 31 companies in Fairfax, VA

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
3w
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SA054 Junior Linux System Administrator
Greenbelt, Maryland, United States
OnsiteFull Time
ADNET Systems
ADNET Systems: Provider of information systems and scientific research services to government agencies.
Hands-on hardware experience, ability to lift 50 lbs, perform RMA, use technician tools, troubleshoot hardware, work with minimal supervision, US citizenship required, and ability to obtain/maintain a NASA Tier 1 Investigation.
Ubuntu, CentOS
2mo
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RedHat Linux System Administrator (Levels I - IV)
Annapolis Junction, Maryland, United States
$120k-$185k/yr OnsiteFull Time
JASINT
JASINT: Providing cybersecurity and technical services for national security missions.
1+ YOEActive TS/SCI with Poly, RHCE, high school or GED, 1+ years IT experience with 1+ years RHEL administration (levels vary), ability to configure, operate, and maintain Red Hat Enterprise Linux systems.
Red Hat Enterprise Linux
1mo
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System Administrator (Junior-Senior)
Fort Meade, Maryland, United States
$100k-$200k/yr OnsiteFull Time
Clear Ridge Defense
Clear Ridge Defense: Delivers cyberspace operations and intelligence services to government clients.
2+ YOETS/SCI with poly required, active Sec+ certification, 2+ years supporting Windows/Linux/Unix, 2+ years with Docker or Kubernetes, experience with JWICs/IC networks, proficiency with network devices, strong interpersonal skills.
Windows, Linux, Unix, Docker, Kubernetes, JWICs, repeaters, bridges, routers, gateways, hubs
1mo
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Linux Systems Administrator
Chantilly, Virginia, United States
OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
2+ YOEHS/GED with 2+ years Linux systems experience in large, complex environments; experience with Centrify, LDAP, Active Directory, shell scripting; Ansible preferred; strong documentation and communication; active TS/SCI with polygraph required.
Linux, Centrify, LDAP, Active Directory, shell scripting, Ansible
2mo
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System Administrator
Annapolis Junction, Maryland, United States
OnsiteFull Time
Independent Software
Independent Software: Provides software and systems engineering for national security missions.
0+ YOEExperience administering Linux systems; scripting/automation (Bash, Python, Perl); AWS; KVM; Ansible/SALT; FreeIPA; DoD/IC security familiarity.
Linux, KVM, Ansible, SALT, Bash, Perl, Python, AWS, FreeIPA, VMware, Virtualization
3mo
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System Administrator
Fort Meade, Maryland, United States
$125k-$185k/yr OnsiteFull Time
M2 Technology Group
M2 Technology Group: Providing specialized cybersecurity and engineering services for government agencies.
1+ YOEMaintain SQL databases, perform UNIX/Windows system administration (AD, DHCP, SCCM), execute disaster recovery and performance tuning, provide Tier 1/2 support and hardware deployment; Security+ CE and active security clearance with polygraph required.
SQL, UNIX, Windows, Active Directory (AD), DHCP, SCCM, Video Teleconferencing (VTC)
1mo
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System Administrator/FSR – Onsite Customer Support
Tysons, Virginia, United States
OnsiteFull Time
Veilant
Veilant: Protecting operations, personnel, and data from emerging surveillance threats.
2+ YOEActive security clearance with polygraph required; 2+ years system administration or technical support experience; strong Linux administration; Windows 11 Pro, Active Directory, GPO, PowerShell; hands-on troubleshooting of workstations, printers, VoIP; onsite 5 days/week.
Linux, Windows 11 Pro, Active Directory, Group Policy Objects, PowerShell, HP printer, VoIP, Network Operations Center (NOC)
1mo
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Junior Systems Administrator
Fort Meade, Maryland, United States
OnsiteFull Time
VTG
VTG: Provides engineering and digital modernization solutions for national security.
TS/SCI with Poly required. System administration on CentOS 7, Rocky 9, RHEL 9; hardware installation; Linux and Windows 10/11 administration; STE and data transfer experience. Ansible, Proxmox, IDM, RHCSA, TLS, PXE and LDAP integration desired.
CentOS 7, Rocky 9, RHEL 9, Customer Secure the Enterprise (STE), Linux, Ansible, PXE boot, Proxmox, Identity Manager (IDM), LDAP, Red Hat Certified System Administrator, Transport Layer Security (TLS), Windows 10, Windows 11
3d
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Junior Systems Administrator
Quantico, Virginia, United States
$85k-$105k/yr OnsiteFull Time
ValidaTek
ValidaTek: Provides IT modernization and systems engineering for federal agencies.
Supports Windows/Linux systems, monitors performance, troubleshoots hardware/software, manages accounts, applies security patches, assists backups and disaster recovery; Top Secret clearance required.
Windows, Linux, PowerShell, Bash, VMware, Hyper-V
3w
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Systems Administrator
Fairfax, Virginia, United States
$80k-$108k/yr HybridFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
1+ YOEBachelor's degree (or equivalent), active Secret clearance, US citizenship, 1+ years IT experience; Windows/Linux administration, Active Directory, DNS/DHCP, shell scripting, ManageEngine monitoring, security and backup operations.
Windows, Linux, Active Directory, DNS, DHCP, ManageEngine, Shell scripting
2w
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ME00615-Cloud System Administrator 2
Annapolis Junction, Maryland, United States
$150k-$205k/yr OnsiteFull Time
Momentum Engineering
Momentum Engineering: Provides engineering and technical services for national security missions.
1+ YOEActive Top Secret/SCI with NSA Full Scope Polygraph; DoD 8570 IAT I (Security+ preferred); experience administering Linux (RHEL/CentOS), Hadoop/Accumulo, Puppet; scripting with Bash/Python; 1–7 years of relevant experience or degree equivalency.
Red Hat Enterprise Linux (RHEL), CentOS, Hadoop, Accumulo, Bash, Python, Puppet, Kubernetes
2w
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Systems Administrator I
Fort Meade, Maryland, United States
$65k-$70k/yr HybridFull Time
Foxhole Technology
Foxhole Technology: Provides cybersecurity and IT support services for federal civilian and defense agencies.
1+ YOEActive DoD Secret clearance, 1+ years systems administration/IT support experience, DoD 8140/8570 IAT Level II (e.g., CompTIA Security+ CE), familiarity with Windows Server/Linux, AD/DNS/Group Policy, RMF/STIGs/NIST frameworks, and cybersecurity tools (HBSS, ACAS, SIEM).
HBSS, ACAS, SIEM, Active Directory, DNS, Group Policy, Windows Server, Linux, RMF, NIST 800-53, DISA STIGs, DevSecOps
2w
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Junior Systems Administrator - Front End Night Shift
Kearneysville, West Virginia, United States
$65k-$83k/yr OnsiteFull Time
GovCIO
GovCIO: Provides technology and mission support services to federal agencies.
3+ YOEDoD 8570 IAT Level II (e.g., Security+ CE, CySA+), 3+ years experience, proficiency with Microsoft Windows and Linux servers, VMware/Hyper-V, SolarWinds, PowerShell/Bash, availability for night shift work, active Secret clearance.
Microsoft Windows, Linux, VMware, Microsoft Hyper-V, SolarWinds, Microsoft PowerShell, Bash, Microsoft Active Directory, Microsoft Group Policy, Microsoft Azure
3w
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Information System Security Officer
Chantilly, Virginia, United States
$100k-$140k/yr OnsiteFull Time
Rincon Research Corporation
Rincon Research Corporation: Designs high-performance digital signal processing solutions for defense missions
1+ YOE1-3 years ISSO or system administration experience; cybersecurity assessments, accreditations, continuous monitoring; Linux knowledge; must be U.S. citizen with eligibility for TS/SCI and T5/T5R adjudication; must obtain DoD 8570 IAM Level 1.
Splunk, Nessus, SCC, DISA STIGs, Linux, Windows
1w
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Platform Administrator
Arlington, Virginia, United States
OnsiteFull Time
Nightwing
Nightwing: Provides advanced cyber and intelligence solutions for national security.
2+ YOEU.S. citizen with active DoD Secret clearance; 2+ years lab management or systems/admin experience; experience with Linux/Unix and MacOS, imaging workstations, VPN/virtual desktop technologies, clear communication and relationship skills.
Virtual Private Network (VPN), Virtual Desktop Infrastructure, Cisco, Citrix, VMWare, AWS, Linux/Unix, MacOS, Apple
1mo
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Cyber Systems Administrator, AI/ML Support TS/SCI w Poly
Laurel, Maryland, United States
$80k-$128k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
0+ YOEActive TS/SCI with polygraph required; Bachelor's in a technical discipline required or 5 years SA experience; Security+ (DoD 8570) required; no prior experience necessary; supports UNIX/Windows and AWS environments.
AWS Cloud, UNIX, Windows
1mo
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Cyber Systems Administrator, AI/ML Support TS/SCI w Poly
Laurel, Maryland, United States
$80k-$128k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
Active TS/SCI with poly required; Bachelor's degree in a technical discipline required (or 5 years SA experience substitution); Security+ (DoD 8570) required; no prior experience required.
AWS, UNIX, Windows
1w
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Systems Administrator I (Domain & Server)
Manassas, Virginia, United States
$90k-$130k/yr OnsiteFull Time
American Systems
American Systems: Providing strategic engineering and IT solutions for government programs.
1+ YOEU.S. citizen with active Secret clearance (or active Top Secret/SCI) and 1+ years systems administration experience in Windows/Linux; familiarity with AD, DNS, DHCP, virtualization, storage, cloud platforms, automation, and monitoring; IAT Level II certification required.
Active Directory, Exchange Server, DNS, DHCP, Group Policy, NUTANIX, VMware, Hyper-V, AWS, Azure, GCP, PowerShell, Ansible, Terraform, Splunk, Git
2w
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Jr. System Admin
Springfield, Virginia, United States
OnsiteFull Time
INflow Federal
INflow Federal: Provides IT modernization and cybersecurity for defense missions.
2+ YOEActive Top Secret/SCI clearance, CompTIA Security+ CE or DoD 8570 Level II within 90 days, 2+ years relevant experience (or equivalent), experience with Windows/UNIX/storage, ticketing systems, on-call rotation, ability to travel up to 20%, valid driver's license, lift 50 lbs.
Windows, UNIX, Windows Server Administration, Red Hat Enterprise Linux, Solaris, IRIX, Enterprise Storage Systems, SQL, Sybase, Informix, Bash, PowerShell, Python, Retina, HBSS, DISA STIG
4w
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Systems Administrator
Dahlgren, Virginia, United States
OnsiteFull Time
Bowhead
Bowhead: Federal government contracting and professional services provider.
2+ YOE2+ years IT experience, high school required (BA/BS preferred). Must maintain Top Secret/SCI (US citizenship required). Experience with Windows, Active Directory, ServiceNow, JWICS, PKI and troubleshooting hardware/software. DoD 8570/8140 IA Level II certs preferred (Security+ce, GSEC, SSCP, CCNA Security).
JWICS, ServiceNow, Windows, Linux, Active Directory, KVM, PKI