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Top IT Systems Administrator Jobs

187+ Job Results
25 Days Ago
Wayne, NJ, USA
Hybrid
40,000 Employees
82K-140K Annually
7+ Years of Experience
40,000 Employees
82K-140K Annually
7+ Years of Experience
Aerospace • Hardware • Information Technology • Security • Software • Cybersecurity • Defense
The Systems Admin II - Linux will support classified lab environments, manage Linux and Windows servers and workstations, configure networks, and ensure system security compliance. Responsibilities include troubleshooting, documentation, and flexibility to respond to outages. Successful candidates will have experience with centralized authentication technologies, the ability to understand customer needs, and must hold a CompTIA Security+ certification or equivalent.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+76 More
13 Days Ago
Atlanta, GA, USA
7,000 Employees
3-5 Years of Experience
7,000 Employees
3-5 Years of Experience
Hardware • Internet of Things • Retail • Robotics • Software
The Systems Administrator is responsible for managing enterprise Microsoft Windows systems, supporting systems implementation related to Azure and M365, and ensuring stability through monitoring, troubleshooting, and patching. Duties include leading infrastructure projects, maintaining server environments, performing database administration, and providing technical expertise and support.
Top Benefits:
401-K
401-K Matching
Company Outings
+37 More
5 Hours Ago
Mesa, AZ, USA
1-3 Years of Experience
1-3 Years of Experience
Information Technology
The System Administrator will manage and maintain IT infrastructure, ensuring the operation of systems, providing technical support to end-users, and implementing security measures. Responsibilities include server installation, user support, backup management, and network administration.
24 Days Ago
Manchester, NH, USA
Hybrid
40,000 Employees
92K-157K Annually
5-7 Years of Experience
40,000 Employees
92K-157K Annually
5-7 Years of Experience
Aerospace • Hardware • Information Technology • Security • Software • Cybersecurity • Defense
As a Senior System Administrator, you will manage, design, and troubleshoot Windows and Linux servers, develop lab infrastructure, ensure system security compliance, implement upgrades and patches, and enhance system performance. You will collaborate with teams to automate systems administration tasks.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+76 More
Yesterday
Irvine, CA, USA
Hybrid
300 Employees
110K-130K Annually
5-7 Years of Experience
300 Employees
110K-130K Annually
5-7 Years of Experience
AdTech • Big Data • Digital Media
The Senior Systems Administrator will manage the IT infrastructure including servers and networks, perform technical support, analyze system logs for issues, and provide technical guidance to support engineers, ensuring system reliability and security.
Top Benefits:
401-K
Commuter Benefits
Company Equity
+38 More
Yesterday
Patuxent River Estates, MD, USA
1,413 Employees
3-5 Years of Experience
1,413 Employees
3-5 Years of Experience
Cloud • Information Technology
Provide IT Administration support for virtual and physical computers/servers/appliances, including installation, configuration, maintenance, compliance, and decommissioning. Support VMware, Windows, Linux, Active Directory, routing, switching, and network connectivity components. Create STIG checklists, perform backup and recovery functions, and prepare standard operating procedures.
13 Hours Ago
Campbell, CA, USA
193 Employees
5-7 Years of Experience
193 Employees
5-7 Years of Experience
Healthtech • Biotech
The Sr. Network Administrator will research, install, maintain, and monitor network infrastructure to enhance security and performance. Responsibilities include configuring networking hardware, troubleshooting issues, maintaining documentation, and ensuring compliance with security policies. This role requires collaboration with IT teams and vendors and a commitment to customer service.
Yesterday
Patuxent River Estates, MD, USA
1,413 Employees
3-5 Years of Experience
1,413 Employees
3-5 Years of Experience
Cloud • Information Technology
Provide IT Administration support for virtual and physical computers/servers/appliances, including installation, configuration, maintenance, compliance, and decommissioning. Support VMware and Windows/Linux systems, Active Directory, network connectivity components, and create STIG checklists. Perform backup and recovery functions and maintain standard operating procedures.

Featured Jobs

5 Hours Ago
Patuxent River Estates, MD, USA
196 Employees
3-5 Years of Experience
196 Employees
3-5 Years of Experience
Financial Services
Great Hill Solutions, part of Seneca Nation Group, is seeking a Network and Computer Systems Administrator in the DMV area to support NavAir, DAiTA Group, LIFT, and IME projects. Responsibilities include Atlassian Suite integration, user support, system monitoring, server maintenance, and network administration.
3 Days Ago
Syracuse, NY, USA
1,698 Employees
5-7 Years of Experience
1,698 Employees
5-7 Years of Experience
Aerospace • Information Technology • Other • Security
The IT Systems Administrator at SRC, Inc. will maintain and support the internal IT infrastructure, research new technologies, perform server administration, implement patches and upgrades, develop redundancy and security plans, and maintain documentation for systems and processes.
Top Benefits:
401-K
Company Outings
Dental Insurance
+15 More
23 Hours Ago
United States
Remote
22 Employees
7+ Years of Experience
22 Employees
7+ Years of Experience
Information Technology • Consulting
The Sr. Network & Computer Systems Administrator will support a Department of Defense project, requiring expertise in server administration, user access management, and interfacing systems. The role also demands an active Secret Clearance and IAT III certification with a focus on Navy IT projects ideal.
4 Days Ago
Fort Leonard Wood, MO, USA
117 Employees
1-3 Years of Experience
117 Employees
1-3 Years of Experience
Information Technology • Consulting
As a Systems Administrator, you will manage and maintain IT systems, troubleshoot user issues, patch systems for security compliance, and support cloud migration efforts while ensuring a secure and stable network environment.
6 Hours Ago
Boulder, CO, USA
22 Employees
1-3 Years of Experience
22 Employees
1-3 Years of Experience
Consulting
The role involves operating as a Senior System Administrator for Disaster Recovery services, focusing on Unix, Linux, and Solaris systems. Candidates should possess additional skills in SAN technologies, particularly XIV and EMC.
13 Hours Ago
Salt Lake City, UT, USA
198 Employees
5-7 Years of Experience
198 Employees
5-7 Years of Experience
Information Technology • Consulting
As a Systems Administrator at Executech, you will be the primary IT consultant for a group of clients, responsible for evaluating their IT environments, troubleshooting issues, providing maintenance support, deploying servers and networks, and managing support requests. Strong communication and customer service skills are essential, along with significant experience in the field.
4 Days Ago
San Diego, CA, USA
1,413 Employees
95K-142K Annually
1-3 Years of Experience
1,413 Employees
95K-142K Annually
1-3 Years of Experience
Cloud • Information Technology
As a System Administrator, you will provide technical support for an enterprise network, focusing on system maintenance, software updates, performance monitoring, and compliance with cybersecurity requirements. You will handle troubleshooting tasks, maintain documentation, and coordinate with government customers and tech teams for system optimizations.
3 Days Ago
Patuxent River Estates, MD, USA
1,413 Employees
7+ Years of Experience
1,413 Employees
7+ Years of Experience
Cloud • Information Technology
Provide advanced level IT Administration support for virtual and physical computers/servers/appliances including installation, configuration, maintenance, compliance, and decommissioning. Support VMware systems, Windows and Linux based systems, Windows Active Directory, and network connectivity components. Create STIG checklists and ACAS scans. Perform backup and recovery functions. Prepare and audit SOPs and event response procedures. May lead or mentor others.
2 Days Ago
San Diego, CA, USA
14 Employees
5-7 Years of Experience
14 Employees
5-7 Years of Experience
Cybersecurity
The Senior Systems Administrator will maintain and troubleshoot Windows servers and workstations, providing administrative support, managing domain controllers, and handling customer incidents through a ticketing system. The role includes remote troubleshooting, equipment preparation for deployment, and coordinating customer interactions to ensure quality service and incident resolution.
2 Hours Ago
San Francisco, CA, USA
700 Employees
110K-130K Annually
1-3 Years of Experience
700 Employees
110K-130K Annually
1-3 Years of Experience
Edtech • Enterprise Web • HR Tech • Software
As a Senior Systems Administrator, you will maintain and manage the company’s IT infrastructure, ensure systems availability, oversee network management, implement security protocols, and provide technical support. Your role includes configuring systems, monitoring hardware, managing user accounts, and liaising with vendors for issue resolution.
Top Benefits:
401-K
Commuter Benefits
Company Equity
+16 More
12 Hours Ago
Milpitas, CA, USA
25,132 Employees
7+ Years of Experience
25,132 Employees
7+ Years of Experience
Big Data • Cloud • Hardware • Software
The Systems Administrator at Western Digital will implement, maintain, and support server hardware and software, focusing on VMware and Microsoft server environments. Key responsibilities include troubleshooting system issues, conducting audits, recommending upgrades, documenting systems, and coordinating with global teams to standardize operations.
Yesterday
Irvine, CA, USA
Hybrid
315 Employees
110K-130K Annually
5-7 Years of Experience
315 Employees
110K-130K Annually
5-7 Years of Experience
Marketing Tech
As a Senior Systems Administrator, you'll design, implement, and maintain IT infrastructure, ensuring system reliability and security. Responsibilities include administering networks and servers, providing technical support, and identifying automation opportunities.
Top Benefits:
401-K
Dental Insurance
Flexible Spending Account
+5 More
2 Days Ago
Lincolnshire, IL, USA
166,834 Employees
5-7 Years of Experience
166,834 Employees
5-7 Years of Experience
Internet of Things
The Senior IT Systems Administrator ensures the stability and security of the organization's computer systems and networks. Responsibilities include managing servers, networks, and security measures, providing technical support, leading systems administrators, executing IT projects, and ensuring compliance with policies and procedures.
26 Minutes Ago
Layton, UT, USA
198 Employees
5-7 Years of Experience
198 Employees
5-7 Years of Experience
Information Technology • Consulting
As a Systems Administrator, you'll serve as a dedicated IT consultant for various clients, handling network and server issues, performing maintenance, deploying setups, and providing support to junior admins while ensuring proactive improvements in their technology.
6 Hours Ago
8 Locations
657 Employees
7+ Years of Experience
657 Employees
7+ Years of Experience
Biotech
The Sr. IT System Administrator will oversee the administration of third-party SAAS solutions, implement IAM solutions, manage Windows Server environments, develop backup and disaster recovery processes, and provide end-user support. Responsibilities include project management and developing processes for the adoption of new IT technologies.
Top Benefits:
401-K
Health Insurance
Free Snacks and Drinks
5 Days Ago
United States of America
85,636 Employees
79K-146K Annually
5-7 Years of Experience
85,636 Employees
79K-146K Annually
5-7 Years of Experience
Aerospace • Logistics • Security • Software • Cybersecurity
The Systems Administrator will perform maintenance on computing hardware and software, install and troubleshoot Mission Package Application Software, manage network equipment, document procedures, and support system operations aboard Navy Littoral Combat Ships. The role may involve travel and is focused on ensuring the functionality of multi-user systems.
An Hour Ago
Cincinnati, OH, USA
94 Employees
1-3 Years of Experience
94 Employees
1-3 Years of Experience
Information Technology
The IBM i Systems Administrator will be responsible for managing and maintaining IBM i systems, ensuring optimal performance, implementing updates, managing security, and disaster recovery planning. The role requires troubleshooting, compliance documentation, and proactive system management to support medium to large installations.
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