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134 systems admin jobs at 82 companies in Gaithersburg, MD

3w
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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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2w
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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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2mo
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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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4d
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Sr. Systems Admin 1 -
Chicago or Baltimore or Oakbrook Terrace or Philadelphia or Washington
$86k-$130k/yr HybridFull Time
Exelon
ExelonNasdaq: EXC: Provides regulated electricity and natural gas utility services.
4+ YOEBachelor's required or equivalent experience; 4+ years IT infrastructure/application/cloud experience; expertise with Oracle ERP/EPM, OCI, Linux, SOX environments, code migration, patch management, and audit readiness.
Oracle ERP, Oracle EPM, OCI, Linux
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4d
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Sr. Systems Admin 1 -
Chicago or Baltimore or Oakbrook Terrace or Philadelphia or Washington
$86k-$119k/yr HybridFull Time
Exelon
ExelonNASDAQ: EXC: Electric utility holding delivering energy to customers.
4+ YOEBachelor's in CS or related plus several years in IT infrastructure/application/cloud support; expert with Oracle platforms, OCI, Linux, CI/CD, SOX environments; strong troubleshooting, project and stakeholder skills.
Oracle ERP, Oracle EPM, OCI, CI/CD, Linux
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Systems Administrator
Tysons Corner, Virginia, United States
$50k-$290k/yr OnsiteFull Time
The Swift Group: Providing engineering and cybersecurity services for national security missions.
2+ YOEUS citizen with active TS/SCI with Polygraph, BS in a related field, 2+ years systems admin experience, 1+ year administering systems under customer security controls, familiarity with ISSM/ATO processes.
Cartoon operating system, GOTS, COTS, ISSM, ATO, DTO
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2w
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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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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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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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1d
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Systems Integrator
Chantilly, Virginia, United States
$138k-$240k/yr OnsiteFull Time
Arcfield
Arcfield: Systems engineering and mission support for defense and space.
10+ YOEMust hold TS/SCI with Polygraph, degree or equivalent experience in a technical discipline, ~10+ years experience (BS guidance), experience triaging Tier 1 helpdesk, LMS/admin tasks, and strong systems integration skills.
Content Management System (CMS), Scrum, Learning management system
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2d
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Systems Admin Sr Adv (TS/SCI with Poly Required)
Reston or Tysons Corner
$124k-$207k/yr OnsiteFull Time
GCI
GCI: Engineering and analytics solutions for national security missions.
5+ YOEUS citizen with active TS/SCI+Poly required. 5+ years systems and network administration experience supporting Windows servers, AD, virtualization, security scanning and CMMC/NIST controls.
Teams, Outlook, Nessus, Rapid 7, SCAP, NMAP, WSUS, Veritas, Rubrik, Backup exec, Microsoft Office 365, Windows 10, Server 2016, Server 2019, Active directory, Group policy, DNS, DHCP, Windows certificates services, Hyper-V, Cisco, Dell, FedRAMP
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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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1mo
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Senior Systems Analyst
Arlington, Virginia, United States
OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
5+ YOETS/SCI cleared candidate with 5+ years systems support/admin experience (or equivalent experience), DoD 8570 IAT Level II (e.g., Security+), Windows/VMware/Cisco experience, ability to write SOPs and participate in ITIL processes; local travel up to 10%.
VMware vCenter, vSphere, Horizon View, Site Recovery Manager, SolarWinds, Cisco Catalyst Center (DNAC), GEMOne, HP SANs, Certificate Services, DHCP, DNS, Active Directory, Group Policy, Microsoft Windows Server 2008, Microsoft Windows Server 2012, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows 10, Microsoft Exchange, Microsoft Office 2010, Microsoft Office 2016, TACLANE, Remedy, ServiceNow
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3w
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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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2w
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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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1d
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Systems Administrator
Vienna, Virginia, United States
$77k-$117k/yr HybridFull Time
NT Concepts
NT Concepts: Provides data and technology solutions for national security missions.
3+ YOEActive Top-Secret clearance, 3+ years administering Microsoft Windows Server and SAP BusinessObjects, bachelor\u0002s or equivalent, Security+ or DoD 8140-equivalent, Windows Server Hybrid Admin cert preferred, strong troubleshooting and DoD security experience.
Microsoft Windows Server, Red Hat Enterprise Linux (RHEL), SAP BusinessObjects, Central Management Console (CMC), Active Directory, Group Policy, DHCP, SIEM, ACAS, Jenkins, GitLab, Ansible, VMWare, Nutanix, Azure, AWS, GitHub, JBoss, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft SharePoint
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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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2mo
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Senior Systems Admin | Site Reliability Engineer
Herndon, Virginia, United States
OnsiteFull Time
Clarity Innovations
Clarity Innovations: Provides cyber operations and software engineering for national security.
Top Secret clearance with SCI eligibility, CI polygraph; strong Linux/Windows admin, network, security, automation, IaC, and cloud skills; capable of working independently.
Linux, Windows Server, VMware, Ansible, Terraform, AWS, Docker, GitLab, Wireshark, tcpdump, iptables, Cisco ASA, Juniper SRX, Proxmox, vSphere
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