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Top IT Systems Administrator Jobs

187+ Job Results
20 Days Ago
Coos Bay, OR, USA
198 Employees
1-3 Years of Experience
198 Employees
1-3 Years of Experience
Information Technology • Consulting
The Systems Administrator manages and maintains IT infrastructure for multiple clients, ensuring network security and efficiency. Responsibilities include troubleshooting, helpdesk support, server setup, communication with clients, data backup, policy development, and managing ongoing projects. Expertise in SharePoint, Azure, networking solutions, and hardware management is essential.
18 Days Ago
Aurora, CO, USA
17,673 Employees
68K-144K Annually
1-3 Years of Experience
17,673 Employees
68K-144K Annually
1-3 Years of Experience
Information Technology
The Systems Administrator will manage mission-critical operational IT systems in a Linux environment, providing Tier III support and maintaining secure operational environments. Responsibilities include account management, system monitoring, troubleshooting, and on-call support, emphasizing critical thinking and communication skills.
Top Benefits:
401-K
Adoption Assistance
Child Care Benefits
+19 More
22 Days Ago
Austin, TX, USA
Remote
61 Employees
100K-120K Annually
3-5 Years of Experience
61 Employees
100K-120K Annually
3-5 Years of Experience
Information Technology
As a Senior System Administrator, you will support multiple clients' system infrastructures on-premise and in the cloud, focusing on network security, infrastructure design, and virtualization. Responsibilities include maintaining server infrastructure, monitoring uptime, resolving issues proactively, and implementing automation tools. You will also provide level 3 support to Help Desk teams and engage in design implementations.
17 Days Ago
Cannon Air Force Base, NM, USA
27,104 Employees
55K-100K Annually
3-5 Years of Experience
27,104 Employees
55K-100K Annually
3-5 Years of Experience
Information Technology • Software
The Systems Administrator will manage and maintain systems, support end user devices and applications, troubleshoot connectivity issues, and provide support in classified environments. They will also work on custom-built systems under tight deadlines and assist in technical presentations to government clients.
Top Benefits:
401-K
Child Care Benefits
Company Outings
+17 More
18 Days Ago
4 Locations
97,838 Employees
95K-190K Annually
5-7 Years of Experience
97,838 Employees
95K-190K Annually
5-7 Years of Experience
Healthtech
As a Senior System Administrator at Abbott, you will install, administer, and maintain EMR applications and web & service servers. Your responsibilities include configuration, deployment, monitoring, and ensuring high levels of security and performance for the systems. You'll work with other IT teams to enhance processes for faster software releases and manage troubleshooting and integration of various systems.
Top Benefits:
401-K
Adoption Assistance
Child Care Benefits
+22 More
19 Days Ago
United States
Remote
98 Employees
1-3 Years of Experience
98 Employees
1-3 Years of Experience
Digital Media
The System Administrator is responsible for managing Linux-based systems and AWS infrastructure, implementing DevOps practices, and overseeing system security. Responsibilities include maintaining system stability and performance, automating tasks, collaborating with various teams, and providing technical support.
18 Days Ago
Arlington, VA, USA
27,104 Employees
101K-183K Annually
1-3 Years of Experience
27,104 Employees
101K-183K Annually
1-3 Years of Experience
Information Technology • Software
The Systems Administrator will maintain and upgrade software, hardware, and networks, ensuring the infrastructure runs smoothly. Responsibilities include troubleshooting, managing projects, performing systems administration, developing scripts for automation, and collaborating with interdisciplinary teams. Will also handle Active Directory services and implement security best practices.
Top Benefits:
401-K
Child Care Benefits
Company Outings
+17 More
18 Days Ago
Littleton, CO, USA
87 Employees
75K-85K Annually
5-7 Years of Experience
87 Employees
75K-85K Annually
5-7 Years of Experience
Information Technology • Consulting
The IT Desktop/O365 Administrator is responsible for designing, administering, and supporting the desktop and O365 infrastructure. Responsibilities include implementing best practices, troubleshooting issues, managing updates, and communicating technical concepts to non-technical users while delivering support for various projects simultaneously.
22 Days Ago
USA
Remote
196 Employees
3-5 Years of Experience
196 Employees
3-5 Years of Experience
Financial Services
The Senior Computer Systems Analyst will support Naval Air Systems Command by managing file servers, ensuring network security, monitoring system integrity, maintaining software licenses, and assisting with network virtualization. They will also support the Analytic Master Plan by implementing capabilities within the Atlassian Suite, enhancing user productivity and project integration.
18 Days Ago
Quantico, VA, USA
27,104 Employees
87K-157K Annually
5-7 Years of Experience
27,104 Employees
87K-157K Annually
5-7 Years of Experience
Information Technology • Software
As a Senior System Administrator at Leidos, you'll coordinate operational support and implementation for LAN, BAN, and WAN services, assist in strategic planning, recommend operational support technologies, conduct design reviews, and ensure efficient use of resources while mentoring others.
Top Benefits:
401-K
Child Care Benefits
Company Outings
+17 More
18 Days Ago
Elkridge, MD, USA
66 Employees
5-7 Years of Experience
66 Employees
5-7 Years of Experience
Big Data • Software • Analytics
Join ClearEdge as a Senior System Administrator to work with a platform team in providing essential and reliable systems for a great user experience. Responsibilities include implementing, troubleshooting, and maintaining IT systems, managing mission-critical systems, and optimizing system performance. Must have strong VMware skills and an Active or current TS/SCI Polygraph clearance. Ideal candidate is self-motivated, enjoys working in a technical team, and has a desire to learn new technologies.
20 Days Ago
USA
Remote
352 Employees
85K-105K Annually
1-3 Years of Experience
352 Employees
85K-105K Annually
1-3 Years of Experience
Edtech
The Systems Administrator will manage and maintain Cisco firewalls, troubleshoot network issues, monitor LAN/WAN performance, and support network-related tasks. Responsibilities include firewall management, resolving performance issues, and providing after-hours support while documenting procedures.
Top Benefits:
401-K
Adoption Assistance
Commuter Benefits
+15 More
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