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171 systems admin jobs at 96 companies in Washington, DC

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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
Help us #BeatIndeed & #BeatLinkedIn
2w
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Systems Admin Specialist
Annapolis Junction, Maryland, United States
$134k-$142k/yr OnsiteFull Time
General Dynamics Mission Systems
General Dynamics Mission SystemsNYSE: GD: Designs and manufactures defense and mission-critical technology solutions.
5+ YOEBachelor's in Computer Science or related (or Master's), 5+ years (or 3+ with Master's), TS/SCI with Polygraph required, U.S. citizenship, proficiency in server OS, networking, storage, scripting, Linux and Windows.
Linux, Rhel 8, Rhel 9, Redhat, Windows, Active Directory, Exchange, CISCO, Juniper, AI/ML
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1w
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Systems Admin L2
Annapolis Junction, Maryland, United States
OnsiteFull Time
Jovian Concepts
Jovian Concepts: Provides technical services and engineering to the intelligence community.
10+ YOEActive TS/SCI with MD polygraph, 10 years systems admin experience, bachelor’s in technical discipline (or +5 years experience), expertise with UNIX/Linux/Windows, Python, Visual Basic, virtualization, Ansible, and containers.
UNIX, LINUX, Windows, Python, Visual Basic, Virtualization, ansible, containers, dockers
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1mo
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Principal Cyber Systems Admin / Sr. Principal Cyber Systems Admin
Chantilly, Virginia, United States
$104k-$194k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOEUS citizen with TS/SCI clearance eligible for poly; 5+ years with Bachelor, 3+ with Master, 1+ with PhD; IAT-2; cloud design/deploy; Linux/Windows admin; automation (Ansible, Bash, PowerShell, Puppet, Python).
AWS, Linux, Windows, Ansible, PowerShell, Bash, Puppet, Python, Terraform
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1mo
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Principal Cyber Systems Admin / Sr. Principal Cyber Systems Admin
Chantilly, Virginia, United States
$104k-$194k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
5+ YOEU.S. citizen with active Top Secret/SCI clearance (SCI eligibility); IAT-2 (e.g., CompTIA Security+); experience designing/deploying cloud solutions, administering Linux/Windows at enterprise scale, automation (Ansible, Bash, PowerShell, Puppet, Python), and IT systems design and administration.
Ansible, Bash, PowerShell, Puppet, Python, AWS, Azure, Google Cloud, MySQL RDS, PostgreSQL, Podman, Docker, Kubernetes, Linux, Windows, IPv4, OSPF, VLAN, VPN
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3w
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Senior Systems Engineer (Linux Systems Admin)
Washington, District of Columbia, United States
$122k-$154k/yr OnsiteFull Time
U.S. House of Representatives
U.S. House of Representatives: Lower house of the United States Congress.
5+ YOE5+ years Linux administration experience, bachelor\u0002s degree in CS/IS, RHEL 8+ expertise, Red Hat Satellite/Ansible/OpenShift, monitoring tools, shell scripting, familiarity with virtualization, containerization, SAN, and enterprise protocols.
Red Hat Satellite, Red Hat Ansible Automation Platform, Red Hat OpenShift, Red Hat Enterprise Linux (RHEL), Dynatrace, Nagios Core, Nagios Log Monitoring, Podman
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3mo
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Systems Administrator
College Park, Maryland, United States
$50k-$290k/yr OnsiteFull Time
The Swift Group: Providing engineering and cybersecurity services for national security missions.
15+ YOE15+ years as System Administrator; UNIX/Windows admin; TS/SCI with Poly; Bachelor’s in technical field; SOA knowledge.
UNIX, Windows, SOA, Network and storage management
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2d
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Systems Administrator
Laurel, Maryland, United States
$85k-$142k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
5+ YOE5+ years systems admin experience, proficient in Windows/Linux, IAT I (DoD 8140) within 60 days, troubleshooting, system capacity planning; active TS/SCI with polygraph required.
Windows, Linux
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1w
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Systems Engineer
Annapolis Junction, Maryland, United States
$120k-$220k/yr OnsiteFull Time
Accenture Federal Services
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
3+ YOEActive TS/SCI with polygraph, minimum 3 years systems engineering/admin experience, Scrum/Agile experience, bachelor’s in systems engineering or related (or 5 years relevant experience), technical leadership and documentation skills.
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3mo
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Systems Administrator
Fort Meade, Maryland, United States
$157k-$167k/yr OnsiteFull Time
GRVTY
GRVTY: Develops defense technology, cyber, and intelligence software solutions.
10+ YOEActive TS/SCI with polygraph; 10 years of systems administration or 5 years with a technical bachelor’s degree; Linux admin; cloud experience; RedSeal knowledge a plus.
Linux, Yum, AWS, RedHat, CentOS, Docker, Kubernetes, NiFi, Elasticsearch, Python, Perl
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2mo
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Senior Systems Engineer
Chantilly, Virginia, United States
$215k-$230k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
5+ YOESenior Systems Engineer with Windows/Linux admin, scripting, multi-domain integration, network, and TS/SCI with poly.
Linux, Windows, Scripting, Active Directory, LAN/WAN, Routers, Switches, Firewalls, SAN, Clustering, Backup, Disaster Recovery
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2mo
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Systems Engineer
Chantilly or Herndon
$175k-$220k/yr OnsiteFull Time
Insight Xcite
Insight Xcite: A mission-focused consulting firm that supports critical government programs with engineering, technology, cybersecurity, and analytics expertise.
6+ YOEActive TS/SCI with Full-Scope Polygraph, 6+ years systems engineering experience, Linux/Windows admin, VMware, AWS/Azure, scripting/automation, networking and security knowledge.
VMware, AWS, Azure, Linux, Windows, Cisco
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3mo
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Windows Systems Administrator
Lorton, Virginia, United States
$70k-$130k/yr HybridFull Time
Alpha Omega
Alpha Omega: Delivering digital transformation and IT solutions for federal agencies.
10+ YOE10+ years Windows systems admin with Hyper-V, PowerShell, AD, WSUS, SCCM/PDQ; virtualization, security, patching, and cross-platform admin (Linux)
PowerShell, Hyper-V, Windows Server, PDQ Deploy, SCCM, Group Policy, WSUS, Active Directory, Linux, Azure, AWS, Meraki, XProtect Milestone, Splunk, WhatsUp Gold, PDQ
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1mo
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DIRECTOR INFORMATION SYSTEMS
Baltimore, Maryland, United States
$70-$90/hr OnsiteFull Time
Mt. Washington Pediatric Hospital
Mt. Washington Pediatric Hospital: Provides specialized medical care and rehabilitation for children.
8+ YOE8+ MgmtMaster's in Business Admin, Healthcare Admin, or Information Systems; 8+ years management experience in IT/healthcare; strong project management, vendor, budget, security, and communication skills.
Computers, Fax machine, Copier, Telecommunications
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1w
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Junior Systems Integrator
Denver or Springfield or Sterling or St. Louis
$58k-$116k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
0+ YOEBachelor's in CS/Engineering or equivalent,0–3 years technical experience,foundational Linux/networking/system admin knowledge,Python/Bash familiarity,TS/SCI clearance and polygraph.
Linux, Python, Bash
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1mo
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DevSecOps Systems Administrator
Reston, Virginia, United States
$87k-$182k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOEActive TS/SCI clearance, Security CE+ required, bachelor’s in a technical field, 5+ years systems administration experience, Windows/Linux admin, Kubernetes and OpenShift experience, strong problem-solving and collaboration skills.
Red Hat Enterprise Linux (RHEL), OpenShift Container Platform, Kubernetes, JBoss, ActiveMQ, GitLab, Artifactory, Oracle Database, Momentum, Sunflower Asset Management, Windows, Linux, NIST 800-53
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2w
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Systems Engineer Mid Level
Fort Meade, Maryland, United States
$130k-$190k/yr OnsiteFull Time
ELEVI Associates
ELEVI Associates: Provides cyber security and IT engineering for federal agencies.
10+ YOECurrent polygraph/PRIVAC clearance required; Bachelor's in engineering +10 years systems engineering experience (or 14 years without degree); Linux admin, Ansible, VMware, Kubernetes, troubleshooting and networking skills.
Linux, Ansible, VMware, Kubernetes, Purestorage, Mongo, Cisco
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2mo
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Mid Systems Engineer
Vienna, Virginia, United States
OnsiteFull Time
Chenega Corporation
Chenega Corporation: Provides professional government, defense, and facility support services.
3+ YOEBachelor's in CS/Math/GIS/STEM; 3+ years ArcGIS/IT systems; TS/SCI with SCI eligibility; Windows/Linux admin; scripting (Python/PowerShell/JS/C#); networking; SQL/RDBMS.
ArcGIS, Windows, Linux, Python, PowerShell, JavaScript, C#, SQL, Oracle, PostgreSQL
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1w
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Systems Engineer
Fort Meade, Maryland, United States
$140k-$160k/yr OnsiteFull Time
ECS
ECSNYSE: ASGN: Provides advanced technology and engineering services to government agencies.
10+ YOEUS citizen able to obtain TS/SCI, Bachelor's in STEM, DoD 8140 IAT Level II, 10+ years Windows/Linux admin, VMware expertise, AWS/Azure proficiency, STIG and network troubleshooting experience.
VMware ESXi, vSphere, vCenter, Hyper-V, Virtual Desktop Infrastructure (VDI), EC2, S3, RDS, EKS, VPC, IAM, Azure VM, Storage account, AKS, VNet, Entra ID, TCP/IP, VLAN, Apache HTTP, NGINX, Tomcat, Ansible, Jira, Confluence
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2mo
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Cyber Security Systems Engineer
Reston, Virginia, United States
$68k-$115k/yr OnsiteFull Time
Penn State University
Penn State University: Provides higher education and conducts extensive academic research programs.
3+ YOEActive TS/SCI with Counter-Intelligence poly; Security+ CE or CISSP or equivalent; strong cyber security, systems admin, and networking; Linux/Windows admin in a government-regulated environment; experience with vulnerability management and virtualization.
Nessus, ACAS, SCC, STIG viewer, VMware, Linux, Windows, Cisco, Splunk
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2d
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Systems Engineer – National Military Command Center (NMCC)
Arlington, Virginia, United States
$100k-$119k/yr OnsiteFull Time
JCS Solutions
JCS Solutions: Delivers digital transformation, cybersecurity, and cloud infrastructure services.
TS/SCI and U.S. citizenship required. Strong systems engineering across VMware, Veeam, Windows/Linux admin, STIG hardening, systems integration, and infrastructure modernization.
VMware, Veeam Backup & Replication, Hyper-V, Windows Server 2019, Windows Server 2022, Active Directory, Group Policy, Red Hat Enterprise Linux (RHEL), CentOS, Remedy
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