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131 system admin jobs at 81 companies in Leesburg, VA

2mo
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Tier 3 System Admin Lead
Washington, District of Columbia, United States
OnsiteFull Time
DMI
DMI: Provides end-to-end digital transformation and managed IT services.
Senior Tier 3 systems administrator; on-prem, virtual, and cloud servers; AWS, AD, storage; incident response; 24x7 support; security coordination.
Linux, Windows Server, Active Directory, AWS (EC2, S3, Route 53, VPC, Lambda, CloudWatch), PowerScale, Cohesity, Shell scripting
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2mo
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Sr. System Admin/System Engineer - Linux
Annapolis Junction, Maryland, United States
OnsiteFull Time
CDIT
CDIT: Provides IT, software development, and cybersecurity for government agencies.
10+ YOE10+ years Linux system administration in IC environment; CentOS/RHEL; JBoss/Wildfly; VMware; Security+; RH Ansible desired.
Linux, CentOS, RHEL, JBoss/Wildfly, VMware, Ansible, Security+, JSON, Oracle Database, Python, Shell
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2w
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Desktop System Admin
Dulles, Virginia, United States
$76k-$144k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
2+ YOEHands-on Windows 11 administration, endpoint management (Intune/SCCM), Active Directory, PowerShell automation, TS/SCI with poly required, ability to lift 50 lbs, minimum 2 years relevant experience.
Windows 11, Active Directory, Microsoft Intune, SCCM, Windows Update for Business, PowerShell
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1w
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System Administrator
Laurel, Maryland, United States
$128k-$214k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
15+ YOETS/SCI w/ Poly required; 15+ years system administration experience; CompTIA SEC+ or CISSP; bachelor’s in technical discipline (or 5yrs admin per yr substitution); experience with Linux, Windows, PKI, DISA STIGs, and security tooling.
RHEL9, Talos, Terraform, Packer, SALT, Ansible, RHEL Satellite, Jumphost, Trellix Endpoint Security, Nessus Security Center, UAM, rsyslog, auditd, VMware vSphere vCenter, vSphere API, Amazon AWS EC2, Docker, Kubernetes, Gitlab, Python, PowerShell, Bash
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3w
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SPOK System Engineer
Bethesda, Maryland, United States
$84k-$114k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
3+ YOE3+ years system engineering/admin experience, hands-on Spok or similar paging systems, Windows Server/IIS/SQL expertise, strong troubleshooting and documentation skills, ability to obtain NIH Public Trust clearance.
Spok WebXchange, Spok Mobile, Zetron, Avaya PBX, Windows Server, IIS, SQL, Spok
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2mo
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System Administrator II (Cloud) - DevSecOps Pipeline Admin
Norfolk or Washington or Charleston or New Orleans
OnsiteFull Time
Engineering Services Network
Engineering Services Network: Defense IT and engineering services provider.
3+ YOEBachelor's degree in Electrical/Electronic/Computer Engineering, Computer Science, or Information Systems; Security+ and AWS Cloud Practitioner; 3 years in systems administration; DoD Secret Clearance.
AWS, Jira, Confluence, Security+, Firewall, Intrusion Detection
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3d
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Sr. System Engineer
Laurel, Maryland, United States
OnsiteFull Time
Themis Insight
Themis Insight: Provides technical consulting and data analytics for national security.
14+ YOETS/SCI with polygraph required; 14 years SE experience; bachelor’s degree or 5 years extra experience; Linux admin experience; strong communication; DoD systems engineering expertise.
Linux, DoDAF, SOA, JCIDS
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2d
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Quickbase System Administrator
Washington, District of Columbia, United States
$90k-$100k/yr OnsiteFull Time
DuPont Clinic
DuPont Clinic: Provides all-trimester abortion care and reproductive healthcare services.
3+ YOE3+ years systems admin experience; bachelor's or equivalent; Quickbase and low-code platform administration; APIs, data modeling, integrations, Excel/Power Query/SQL; HTML/CSS/JavaScript proficiency.
Quickbase, HTML, CSS, JavaScript, Microsoft Excel, Power Query/M, SQL, API
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2mo
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System Administrator
Fort Meade, Maryland, United States
OnsiteFull Time
Cryptic Vector
Cryptic Vector: Provides offensive cyber and electronic warfare solutions for government agencies.
3+ YOE3+ years Docker-based apps; AWS and Kubernetes; Linux/Windows admin; TS clearance; NSANet/JWICS/SIPRNet experience; PKI/SSH; Security+ preferred.
Docker, AWS, Kubernetes, Linux, Windows, PKI, SSH, IAM, EC2, EKS, RDS, S3
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2mo
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System Engineer
Springfield or Vienna or St. Louis
OnsiteFull Time
INCATech
INCATech: Geospatial technology services provider.
8+ YOE8+ years of professional experience; enterprise ArcGIS design/implementation; Windows/Linux admin; scripting languages; networking concepts; RDBMS SQL knowledge; BS in CS/GIS/STEM.
ArcGIS, Windows, Linux, PowerShell, Python, Javascript, C#, SQL Server, Oracle, PostgreSQL
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11h
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Senior System Administrator 746
Annapolis Junction, Maryland, United States
$190k-$240k/yr OnsiteFull Time
Freedom Technology Solutions Group
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
15+ YOETS/SCI with Polygraph; bachelor’s degree plus 15 years systems admin experience (or 20 years without degree); strong Linux, PowerShell/Bash, system hardening, DoD 8570 IAT I; ISSO/ATO experience.
AWS, Ansible, Docker, BigFix, ElasticSearch, Terraform, Jenkins, Linux, Windows, GitLab, PowerShell, Bash, Kubernetes, AWS CloudFormation
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2mo
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Sr. Linux System Administrator / System Engineer
Annapolis Junction, Maryland, United States
$151k-$170k/yr OnsiteFull Time
Red Arch Solutions
Red Arch Solutions: Provides IT engineering solutions for the intelligence community.
10+ YOE10+ years Linux admin/engineering; TS/SCI with Poly; Linux (RHEL/CentOS); VMware; Security+; IC mission experience.
VMware, Ansible, Terraform, JBoss, Red Hat Enterprise Linux, Python, Shell
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1mo
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PMO Sr. System Administrator
Annapolis Junction, Maryland, United States
$135k-$216k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
10+ YOEBachelor's in a technical discipline and 10 years systems admin experience (HS+5 years accepted); DoD 8570 IAT Level 1 (Security+ minimum); 2+ years modern OS/network and 2+ years information assurance; active TS/SCI with polygraph required.
PuTTY, Active Directory, Cisco, Windows
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2w
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System Administrator 4 - Chantilly, VA
Chantilly, Virginia, United States
$125k-$156k/yr OnsiteFull Time
M.C. Dean
M.C. Dean: Design-build and systems integration for complex, mission-critical infrastructure.
7+ YOEActive Top Secret/SCI with poly required; 7+ years (or equivalent) systems admin experience; 2+ years PACS programming; Security+, CASP, or CISSP; Windows AD, patching, vulnerability remediation, team leadership experience.
Microsoft Excel, Microsoft Word, Microsoft Visio, Microsoft PowerPoint, ACAS, HBSS, eMASS, VMware, Citrix Xen Desktop, Dell EqualLogic, Dell Powervault, SQL, Active Directory, Citrix, Hypervisor
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3mo
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System Administrator/SOC Analyst
Columbia, Maryland, United States
OnsiteFull Time
DigiFlight
DigiFlight: Provides cybersecurity, aerospace, and systems engineering for government agencies.
7+ YOE7+ years system administration; endpoint hardening; reporting from SEIM/EDR/DLP/MDM; Workspace Admin Console familiarity.
EDR, DLP, MDM, SIEM, YubiKeys, STIG, Google Workspace, Chrome Enterprise Browser, Entra ID GCCH, Box for Government, GovSlack
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3mo
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System Administrator (All Levels)
Annapolis Junction, Maryland, United States
OnsiteFull Time
Adaptic
Adaptic: Defense contractor providing software, engineering, and cybersecurity mission support.
Active TS/SCI with polygraph; Linux/Unix and Windows admin experience; networking knowledge; troubleshooting; degree in CS/IT or equivalent experience
Linux, Unix, Windows, VMware, ESXi, Bash, Python, PowerShell, Ansible, Puppet, Salt
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1w
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System Development Engineer, Pyxis ADC
Arlington, Virginia, United States
OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
2+ YOEActive TS/SCI clearance required; bachelor’s degree or CSSLP; 2+ years professional software development; 4+ years systems engineering/admin experience with networking, storage, and operating systems; proficiency in modern programming languages and CI/CD.
C++, C#, Java, Python, Golang, PowerShell, Ruby
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2mo
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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
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1mo
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Sr. System Engineer- ArcGIS
Redlands or St. Louis or Vienna
$156k-$239k/yr OnsiteFull Time
Esri
Esri: Developing software for digital mapping and spatial data analysis.
12+ YOE12+ years experience designing, implementing, and administering enterprise ArcGIS or comparable systems; US citizenship with active Top Secret/SCI clearance; bachelor's degree in CS/Math/GIS/STEM; scripting (Python, PowerShell, Javascript, C#); RDBMS and Windows/Linux admin skills.
ArcGIS Enterprise, ArcGIS Desktop, ArcGIS Online, Portal for ArcGIS, ArcGIS Runtime, Python, Microsoft PowerShell, Javascript, C#, Windows, Linux, Microsoft SQL Server, Oracle, PostgreSQL
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2mo
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Windows System Administrator
Indian Head, Maryland, United States
$62k-$141k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
6+ YOE6+ years Windows Server Admin; 2+ years US government environment; AD migrations; SCCM; PowerShell; STIG/NIST; IIS; Secret clearance; HS diploma or GED; IATIII DoD 8570/8140 certs
PowerShell, SCCM/MECM, Active Directory, DNS, GPOs, IIS, STIG, NIST SP 800-53, Windows Server
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