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1,163+ JobsUpdated Mar 11, 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 – $253k
Top Companies
AtkinsRéalis, FreelanceJobs, Northrop Grumman, EmergencyMD, General Dynamics Mission Systems–Canada, Vibrint +35 more
Job Types
92% Full Time, 8% Contract
Top Locations
CA, Washington, District of Columbia, Annapolis Junction, Linthicum Heights
Work Model
84% On-Site, 16% Hybrid
Experience Levels
62% Mid Level, 28% Senior, 6% Junior
We found 1,163 systems administrator jobs currently hiring in locations including CA, Washington, District of Columbia, Annapolis Junction. Salaries range from $0k to $253k based on experience, location, and company size. Work arrangements include On-Site (84%), Hybrid (16%). Top employers include AtkinsRéalis, FreelanceJobs, Northrop Grumman and 38 other companies.
Companies Hiring for Systems Administrator Jobs
AtkinsRéalis3 jobs
FreelanceJobs3 jobs
Northrop Grumman2 jobs
EmergencyMD2 jobs
General Dynamics Mission Systems–Canada2 jobs
Vibrint2 jobs
+35 more companies hiring. Sign up to see all.
Career Path & Salary Progression
Junior
Salary varies
3 jobs
Mid Level
$75k–$185k
31 jobs
Senior
$95k–$179k
14 jobs
Staff
Salary varies
1 job
Latest Jobs Added
System and Network Administrator
GIRO Inc. / Le Groupe en informatique et recherche opérationnelle
AWS / Linux Systems Administrator 3/4 - Polygraph - R10224648
Northrop Grumman
Network Engineer
PPI Management Inc.
Classified Linux Systems Administrator Jobs
Johns Hopkins University Applied Physics Laboratory
Manager 2 Systems Engineering - R10224642
Northrop Grumman
Also searching for: network engineer, systems engineer, network administrator
1,051–1,100 of 1,163 jobs
7w ago
System and Network Administrator
GIRO Inc. / Le Groupe en informatique et recherche opérationnelle·CA
Full Timemid
Full Timemid
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7w ago
AWS / Linux Systems Administrator 3/4 - Polygraph - R10224648
Northrop Grumman·Linthicum Heights, Maryland, US
Full Timemid
$99k – $185kFull Timemid
View Job
7w ago
Network Engineer
PPI Management Inc.·CA
Full Timesenior
Full Timesenior
View Job
7w ago
Classified Linux Systems Administrator Jobs
Johns Hopkins University Applied Physics Laboratory·Laurel, Maryland, US
Full Timemid
Full Timemid
View Job
7w ago
Manager 2 Systems Engineering - R10224642
Northrop Grumman
Full Timemid
Full Timemid
View Job
7w ago
Sr Staff Systems Administrator – Document Management
GE Aerospace·Cleveland, Ohio, US
Full Timestaff
Full Timestaff
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7w ago
SCCM & Intune Systems Engineer – On‑Site in DC
HunaTek·Washington, District of Columbia, US
Full Timemid
Full Timemid
View Job
7w ago
Senior Network Administrator - TS/SCI, Mid-Shift On-Site
EmergencyMD
Full Timesenior
Full Timesenior
View Job
7w ago
Systems Administrator (NetBackup 10, Linux, Windows)
MatchBox Consulting Group·Victoria, British Columbia, CA
Contractmid
Contractmid
View Job
7w ago
Senior NOC Network Engineer - Night Shift 🏆
Knowcean Consulting Inc.·Ashburn, Virginia, US
Full Timesenior
Full Timesenior
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7w ago
Senior Software Systems Engineer
Arete Associates·Falls Church, Virginia, US
Full Timesenior
$155k – $185kFull Timesenior
View Job
7w ago
Support Engineer / Systems Engineer
Interon IT Solutions·Manassas, Virginia, US
Full Timemid
Full Timemid
View Job
7w ago
Signaling Systems Engineer – ETCS / ERTMS
AtkinsRéalis
Full Timemid
Full Timemid
View Job
7w ago
Senior Network Engineer Hybrid
NetBrain Technologies Inc·CA
Full Timesenior
Full Timesenior
View Job
7w ago
Linux Systems Administrator - Toronto Canada Area
Blue Mantis·CA
Full Timeentry
Full Timeentry
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7w ago
Senior Computer Systems Engineer
AtkinsRéalis·Mississauga, Ontario, CA
Full Timesenior
Full Timesenior
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7w ago
Intermediate Systems Engineer, Applications Team
General Dynamics Mission Systems–Canada·Calgary, Alberta, CA
Full Timemid
Full Timemid
View Job
7w ago
Storage Systems Administrator
Dunhill Professional Search & Government Solutions·Germantown, Maryland, US
Full Timesenior
$80k – $95kFull Timesenior
View Job
7w ago
UniFi Network Engineer Needed – Remote Access
FreelanceJobs·CA
Full Timemid
Full Timemid
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7w ago
Network Engineer
Franklin Fitch·Massachusetts, US
Full Timemid
Full Timemid
View Job
7w ago
Tier 2 Network Engineer
Virtual Vocations Inc·Washington, District of Columbia, US
Full Timemid
Full Timemid
View Job
7w ago
Network Engineer II IS, DDI, Virtual
Providence·Washington, US
Full Timejunior
Full Timejunior
View Job
7w ago
Senior Network Engineer
Jobs via Dice·Jersey City, New Jersey, US
Full Timesenior
Full Timesenior
View Job
7w ago
Cloud & Infrastructure Systems Engineer V
X Energy LLC·Rockville, Maryland, US
Full Timemid
$152k – $253kFull Timemid
View Job
7w ago
Senior Network Administrator - TS/SCI, Mid-Shift On-Site
EmergencyMD·Arlington, Virginia, US
Full Timesenior
Full Timesenior
View Job
7w ago
Associate Systems Engineer - Cybersecurity
Analytic Services Inc·Alexandria, Virginia, US
Full Timejunior
Full Timejunior
View Job
7w ago
Satellite Communications Systems Engineer - Spectrum
Teltrium, Inc.·Greenbelt, Maryland, US
Full Timemid
$80k – $120kFull Timemid
View Job
7w ago
Systems Administrator, Labs - Mid
TekSynap·Reston, Virginia, US
Full Timesenior
Full Timesenior
View Job
7w ago
AWS Cloud Network Administrator (DoD / GovCloud)
Na Ali'i Consulting & Sales, LLC.
Full Timemid
Full Timemid
View Job
7w ago
Tier 3 Network Administrator
CACI
Full Timemid
$90k – $190kFull Timemid
View Job
7w ago
Wireless Network Administrator for Radius Certification Implementation
FreelanceJobs·CA
Contractmid
Contractmid
View Job
7w ago
Linux Network Engineer – WireGuard, NAT
FreelanceJobs·CA
Contractmid
Contractmid
View Job
7w ago
Hybrid Systems Engineer - IT Infrastructure & Cloud
Mattamy Homes·CA
Full Timemid
Full Timemid
View Job
7w ago
Manager Network Engineering
S&P Global·Centreville, Virginia, US
Full Timejunior
Full Timejunior
View Job
7w ago
Sr Distributed Systems Engineer (DevOps)
Workday·CA
Full Timesenior
Full Timesenior
View Job
7w ago
IT Systems Administrator | MSP | Microsoft 365
Bowman Williams·Lombard, Illinois, US
Full Timemid
$65k – $75kFull Timemid
View Job
7w ago
Intermediate Systems Engineer, Applications Team
General Dynamics Mission Systems–Canada
Full Timemid
Full Timemid
View Job
7w ago
Senior Computer Systems Engineer
AtkinsRéalis
Full Timesenior
Full Timesenior
View Job
7w ago
Linux Systems Administrator — Path to Data Security Architect
mthree Recruiting Portal·CA
Full Timemid
Full Timemid
View Job
7w ago
Senior Systems Administrator — Reliability and Security
XBP Global·Capitol Heights, Maryland, US
Full Timesenior
$85k – $115kFull Timesenior
View Job
7w ago
Vision Systems Engineer
Tesla·Markham, Ontario, CA
Full Timemid
Full Timemid
View Job
7w ago
Systems Administrator with Security Clearance
Nightwing·Sterling, Virginia, US
Full Timemid
Full Timemid
View Job
7w ago
Network Engineer I (HPC)
Vibrint·Hanover, Maryland, US
Full Timemid
Full Timemid
View Job
7w ago
Network Engineer with Security Clearance
Dexian Signature Federal·Annapolis Junction, Maryland, US
Full Timemid
Full Timemid
View Job
7w ago
Network Engineer
Quevera LLC·Odenton, Maryland, US
Full Timemid
Full Timemid
View Job
7w ago
NOC Network Engineer
Dimensional Thinking·Lorton, Virginia, US
Full Timemid
Full Timemid
View Job
7w ago
Enterprise Infrastructure Support Systems Administrator with Security Clearance
Peraton·Annapolis Junction, Maryland, US
Full Timemid
Full Timemid
View Job
7w ago
Linux Systems Administrator (SDN / Cisco ACI)
Peraton·College Park, Maryland, US
Full Timesenior
$112k – $179kFull Timesenior
View Job
7w ago
Network Engineer
Robert Half·New York, New York, US
Contractmid
$67 – $78Contractmid
View Job
7w ago
Network Engineer I (HPC)
Vibrint·Maryland, US
Full Timemid
Full Timemid
View Job
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