20 linux system admin jobs at 15 companies in Winchester, VA

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TAC20-75 Sr. System Administrator
Reston, Virginia, United States
OnsiteFull Time
AT&T
AT&TNYSE: T: Provides telecommunications, internet, and digital entertainment services.
8+ YOEVMware/Nutanix admin, Windows/Linux admin, PowerShell/Bash scripting, 8570 IAT Level 2, 8+ years of experience.
PowerShell, Bash, VMware, Nutanix, Active Directory, GPO, SCCM, PDQ, Ansible, STIGs
2w
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Senior Systems Admin Specialist
Herndon, Virginia, United States
$166k-$176k/yr OnsiteFull Time
General Dynamics Mission Systems
General Dynamics Mission SystemsNYSE: GD: Designs and manufactures defense and mission-critical technology solutions.
6+ YOEBachelor's degree or Master's with experience, TS/SCI with Poly required, 6+ years relevant experience, expert server OS and virtualization skills, Linux (RHEL), Windows/AD/Exchange/SharePoint, networking (Cisco/Juniper), scripting and automation.
Red Hat Enterprise Linux (RHEL), Rhel 8, Rhel 9, Redhat, Windows, Active Directory, Microsoft Exchange, Microsoft SharePoint, Cisco, Juniper, AI/ML, Artificial Intelligence, Cloud Native, Blockchain, AR/VR, Quantum Physics
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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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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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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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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
3mo
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Systems Engineer
Chantilly or Herndon or McLean
$50k-$290k/yr OnsiteFull Time
The Swift Group: Providing engineering and cybersecurity services for national security missions.
10+ YOE10+ years in systems engineering; Linux admin; VMware; AWS; Cisco ISE; RMF/ICD 503; TS/SCI with Poly.
VMware, vSphere, AWS, OpenXT, SPLUNK, Cisco ISE, Certificate Authority, MariaDB, Linux, CentOS, Ubuntu, Visio
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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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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
2w
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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
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
3mo
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Systems Administrator(Active TS/SCI Required)
Herndon / Chantilly, Virginia, United States
OnsiteFull Time
MissionOvo
MissionOvo: Provides technology and engineering services for national security missions.
5+ YOEActive TS/SCI with poly; Bachelor's degree in CS/IT; 5+ years as a Sys Admin; Windows/Linux, virtualization, cloud, scripting; strong networking and security basics.
Windows Server, Linux, VMware, Hyper-V, AWS, Azure, GCP, PowerShell, Bash, Python, TCP/IP, DNS, DHCP, VPN, firewalls, Monitoring, Configuration Management
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Systems Administrator / Site Reliability Engineer
Reston or Washington
OnsiteFull Time
Assured Consulting Solutions
Assured Consulting Solutions: An equal opportunity employer delivering technology solutions for government and industry.
8+ YOE8+ years cloud infrastructure management (AWS, Kubernetes); strong security framework knowledge; Red Hat/Linux admin; 8140 (Security+) and AWS certs; BS or higher or equivalent experience.
AWS, OpenShift, Kubernetes, Linux, Red Hat, PKI, Secrets Manager, DynamoDB, S3, RDS, ABAC
1mo
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Systems Development Engineer II, AWS Cross Domain Services (CDS)
Herndon, Virginia, United States
$129k-$175k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
4+ YOEUS citizen with active TS/SCI + polygraph; 4+ years admin experience in networking/storage/OS, 3+ years professional software development, 2+ years system design experience; Linux, networking, and cloud proficiency; experience with one or more languages (Python, Ruby, Golang, Java, C++, C#, Rust).
Linux, Python, Ruby, Golang, Java, C++, C#, Rust, AWS
3mo
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Software Developer
Chantilly, Virginia, United States
OnsiteFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
7+ YOEActive TS/SCI with polygraph; Bachelor's +9 yrs or Master's +7 yrs; ETL pipelines; senior software/systems architect; interfaces between disparate systems; web apps and REST APIs; OOP; cloud architectures; DevOps with IaC; Linux admin; NoSQL (MongoDB, Elasticsearch); modern JS frameworks (Angular, React, Vue).
Java, Python, AWS, CloudFormation, CDK, Terraform, Ansible, Linux, MongoDB, Elasticsearch, Angular, React, Vue, REST API, ETL, OOP
3mo
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PeopleSoft Administrator
Chantilly, Virginia, United States
$150k-$190k/yr OnsiteFull Time
Markon
Markon: Provides professional services and management consulting for government agencies.
3+ YOEActive TS/SCI with a Full-Scope Polygraph; Bachelor's in CS/IS or related field (or equivalent); 3–7+ years PeopleSoft admin experience; strong expertise in PeopleTools, WebLogic, Integration Broker, and process scheduling; Linux/Windows Server; Oracle/SQL Server databases; system monitoring, shell scripting, and security/compliance awareness.
PeopleTools, WebLogic, Integration Broker, Process Scheduler, Application Designer, Change Assistant, Oracle, SQL Server, Linux, Windows Server, Shell Scripting, Automation
2mo
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Cloud Systems Engineer - TS/SCI
Reston, Virginia, United States
OnsiteFull Time
Plus3 IT Systems
Plus3 IT Systems: Architects secure cloud and AI solutions for federal agencies.
Active TS/SCI with SCI eligibility; DoD 8140 certifications; AWS experience; OpenShift/Kubernetes; Linux admin; DevSecOps tools; U.S. citizenship required for federal contract.
AWS, OpenShift, Kubernetes, Jenkins, Artifactory, GitLab
1w
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Forescout Engineer
Reston, Virginia, United States
$99k-$225k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
Requires 6+ years IT experience (10+ systems admin preferred), ForeScout CounterACT deployment/maintenance experience, network engineering and Active Directory skills, DoD 8570 IAT Level III cert within 30 days, TS/SCI clearance.
ForeScout CounterACT, Active Directory, Splunk, Windows, Linux