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1,163+ JobsUpdated Mar 18, 2026
Systems Administrator Jobs
Systems administrators manage the servers, operating systems, and infrastructure that keep organizations running. These positions cover Windows Server and Active Directory administration, Linux systems, virtualization (VMware, Hyper-V), and cloud migration - at companies of all sizes.
Salary Range
$0k – $201k
Top Companies
Leidos, Tiber Technologies, Graham Technologies, Aretum, The Bison Group, Chief Isaac Group of Companies +31 more
Job Types
98% Full Time, 2% Contract
Top Locations
Washington, District of Columbia, Largo, Greenbelt, CA
Work Model
90% On-Site, 10% Hybrid
Experience Levels
58% Mid Level, 20% Senior, 14% Junior
We found 1,163 systems administrator jobs currently hiring in locations including Washington, District of Columbia, Largo, Greenbelt. Salaries range from $0k to $201k based on experience, location, and company size. Work arrangements include On-Site (90%), Hybrid (10%). Top employers include Leidos, Tiber Technologies, Graham Technologies and 34 other companies.
Companies Hiring for Systems Administrator Jobs
Leidos10 jobs
Tiber Technologies2 jobs
Graham Technologies2 jobs
Aretum2 jobs
The Bison Group2 jobs
Chief Isaac Group of Companies1 job
+31 more companies hiring. Sign up to see all.
Career Path & Salary Progression
Intern
Salary varies
1 job
Junior
Salary varies
7 jobs
Mid Level
$101k–$161k
29 jobs
Senior
$100k–$167k
10 jobs
Lead
$110k–$160k
1 job
Latest Jobs Added
Network Systems Administrator — Security, Cloud & VM
Chief Isaac Group of Companies
MSP IT Support Desk / Network Engineer
ImageSys LLC
Systems Administrator - active TS/SCI clearance required
V2X Inc
Network Engineer I (Junior)
NuAxis Innovations
Database and Analytics Systems Engineer
Tiber Technologies
Also searching for: network engineer, systems engineer, network administrator
801–850 of 1,163 jobs
6w ago
Network Systems Administrator — Security, Cloud & VM
Chief Isaac Group of Companies·CA
Full Timemid
Full Timemid
View Job
6w ago
MSP IT Support Desk / Network Engineer
ImageSys LLC·Gaithersburg, Maryland, US
Full Timejunior
Full Timejunior
View Job
6w ago
Systems Administrator - active TS/SCI clearance required
V2X Inc·Chantilly, Virginia, US
Full Timemid
Full Timemid
View Job
6w ago
Network Engineer I (Junior)
NuAxis Innovations·Washington, District of Columbia, US
Full Timejunior
Full Timejunior
View Job
6w ago
Database and Analytics Systems Engineer
Tiber Technologies·Annapolis Junction, Maryland, US
Full Timemid
Full Timemid
View Job
6w ago
Windows SCCM Systems Engineer
Jobs via Dice·Washington, District of Columbia, US
Full Timemid
Full Timemid
View Job
6w ago
Palo Alto Firewall / Network Administrator Jobs
Apex Systems·Fort Meade, Maryland, US
Full Timemid
Full Timemid
View Job
6w ago
Lead Senior Systems Administrator at MANTECH
hackajob·Chantilly, Virginia, US
Full Timelead
$110k – $160kFull Timelead
View Job
6w ago
Systems Administrator
Graham Technologies | We apply the latest technologies to build Forward Momentum.·Largo, Maryland, US
Full Timejunior
Full Timejunior
View Job
6w ago
Junior Network Engineer Intern
TSX Inc.
Full Timeintern
Full Timeintern
View Job
6w ago
Windows Systems Administrator
Leidos·Bowie, Maryland, US
Full Timemid
Full Timemid
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6w ago
Windows Systems Administrator
Leidos·Brentwood, Maryland, US
Full Timemid
Full Timemid
View Job
6w ago
Systems Administrator / Network Engineer
Analytic Services Inc·Bethesda, Maryland, US
Full Timesenior
$100k – $136kFull Timesenior
View Job
6w ago
Computer Systems Engineer
Institute for Defense Analyses·Alexandria, Virginia, US
Full Timemid
$101k – $161kFull Timemid
View Job
6w ago
Senior Systems Engineer
SAIC·Fort Meade, Maryland, US
Full Timesenior
Full Timesenior
View Job
6w ago
Senior Aerospace Systems Engineer
WhatJobs Direct·Washington, District of Columbia, US
Full Timesenior
Full Timesenior
View Job
6w ago
Systems Engineer - Mission Applications
Fuse Engineering LLC·Gambrills, Maryland, US
Full Timemid
Full Timemid
View Job
6w ago
Systems Engineer - Mid level
CACI International, Inc.·Sterling, Virginia, US
Full Timemid
Full Timemid
View Job
6w ago
Systems Administrator
Graham Technologies·Largo, Maryland, US
Full Timemid
Full Timemid
View Job
6w ago
Desktop Systems Engineer - TS/SCI
General Dynamics Information Technology·Sterling, Virginia, US
Full Timesenior
$149k – $201kFull Timesenior
View Job
6w ago
Windows Systems Administrator
Leidos·Greenbelt, Maryland, US
Full Timemid
Full Timemid
View Job
6w ago
Windows Systems Administrator
Leidos·Takoma Park, Maryland, US
Full Timemid
Full Timemid
View Job
6w ago
Windows Systems Administrator — Hybrid IT Specialist
Future Electronics·CA
Full Timemid
Full Timemid
View Job
6w ago
Windows Systems Administrator
Leidos·Kensington, Maryland, US
Full Timemid
Full Timemid
View Job
6w ago
Network Engineer - Entry Level - Washington, DC
Aston Technologies Inc.·Washington, District of Columbia, US
Full Timeentry
$20 – $28Full Timeentry
View Job
6w ago
Network Systems Engineer - Fully Remote
Mercor·CA
Full Timemid
Full Timemid
View Job
6w ago
Windows Systems Administrator
Leidos·Brentwood, Maryland, US
Full Timemid
Full Timemid
View Job
6w ago
Systems Administrator
Open Text Corporation·Richmond Hill, Ontario, CA
Full Timemid
Full Timemid
View Job
6w ago
WINDOWS Systems Administrator / Space Programs
Peraton·Greenbelt, Maryland, US
Full Timejunior
Full Timejunior
View Job
6w ago
Junior Systems Administrator
Magna·CA
Full Timejunior
Full Timejunior
View Job
6w ago
Windows Systems Administrator
Leidos·Greenbelt, Maryland, US
Full Timemid
Full Timemid
View Job
6w ago
Senior Network Administrator
Leidos·Hyattsville, Maryland, US
Full Timesenior
Full Timesenior
View Job
6w ago
Network Administrator - Contingent
Aretum·Arlington, Virginia, US
Full Timemid
Full Timemid
View Job
6w ago
Network Administrator - Contingent
Aretum·Arlington, Virginia, US
Full Timemid
Full Timemid
View Job
6w ago
Engineering Manager, Systems Engineering
Marshall Canada·Ottawa, Ontario, CA
Full Timemanager
Full Timemanager
View Job
6w ago
Network Administrator
A.R. Thomson Engineered Solutions Inc.·Red Deer, Alberta, CA
Full Timemid
Full Timemid
View Job
6w ago
Systems Administrator, Sr.
The Bison Group·Reston, Virginia, US
Full Timesenior
Full Timesenior
View Job
6w ago
Systems Administrator, Sr.
The Bison Group·Reston, Virginia, US
Full Timesenior
Full Timesenior
View Job
6w ago
Systems Administrator
Graham Technologies·Largo, Maryland, US
Full Timejunior
Full Timejunior
View Job
6w ago
Systems Administrator (SCCM/Intune) - Desktop Engineering
Blaney McMurtry LLP·Toronto, Ontario, CA
Full Timejunior
Full Timejunior
View Job
6w ago
Integrated Network Engineer
Washington Metropolitan Area Transit Authority·New Carrollton, Maryland, US
Full Timemid
Full Timemid
View Job
6w ago
Database and Analytics Systems Engineer
Tiber Technologies·Annapolis, Maryland, US
Full Timemid
Full Timemid
View Job
6w ago
Windows Systems Administrator
Leidos·College Park, Maryland, US
Full Timemid
Full Timemid
View Job
6w ago
Systems Engineer III
Robertson & Company Ltd.·Toronto, Ontario, CA
Contractsenior
Contractsenior
View Job
6w ago
Discrete Graphics Lead Systems Engineer
Advanced Micro Devices, Inc·Markham, Ontario, CA
Full Timemid
Full Timemid
View Job
6w ago
Embedded & Electrical Systems Engineer
Nordspace·Markham, Ontario, CA
Full Timemid
Full Timemid
View Job
6w ago
Linux Server Systems Administrator
Leidos·Bethesda, Maryland, US
Full Timesenior
$92k – $167kFull Timesenior
View Job
6w ago
Senior IT Systems Administrator (L2/L3) - Azure, Intune & Security
Marmon Technologies India Pvt Ltd·Valley, Nova Scotia, CA
Full Timesenior
Full Timesenior
View Job
6w ago
Network Engineer (IAM III with secret clearance)
Defense In Depth Solutions·Quantico, Virginia, US
Full Timemid
Full Timemid
View Job
6w ago
Proxy / VPN Experienced Network Engineer
FreelanceJobs·CA
Full Timemid
Full Timemid
View Job
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