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Top IT Systems Administrator Jobs

187+ Job Results
5 Hours Ago
Boston, MA, USA
104 Employees
7+ Years of Experience
104 Employees
7+ Years of Experience
Financial Services
Seeking a Senior Systems Administrator with 8+ years of experience in IT to join the Technology team at Weiss Asset Management. Responsibilities include Office 365 management, Windows Server administration, backup maintenance, disaster recovery planning, monitoring IT infrastructure, and mentoring help desk team. Candidate must have strong knowledge of Office 365, Windows technologies, backup strategies, and small office networking. Must be hands-on, process-oriented, and technically skilled.
14 Hours Ago
Annapolis Junction, MD, USA
25 Employees
114K-164K Annually
7+ Years of Experience
25 Employees
114K-164K Annually
7+ Years of Experience
Information Technology • Security • Software
As a Systems Administrator at Belay Technologies, you will perform responsibilities related to Multi-Factor Authentication (MFA) including issuing and maintaining RSA tokens, troubleshooting requests, and providing metrics on activities. You'll interact with technical teams and maintain documentation while contributing to IT knowledge articles.
Top Benefits:
401-K
Company Outings
Dental Insurance
+18 More
4 Hours Ago
Port Hueneme, CA, USA
110 Employees
135K-146K Annually
7+ Years of Experience
110 Employees
135K-146K Annually
7+ Years of Experience
Information Technology
The Systems Administrator III will manage daily operations of computer network systems, ensuring reliability, security, and efficiency. Responsibilities include conducting site surveys, implementing hardware/software changes, supporting Mission Module refurbishment, and maintaining accurate inventory records.
Yesterday
Milford, IA, USA
16 Employees
1-3 Years of Experience
16 Employees
1-3 Years of Experience
Information Technology
The Level 2 IT Technician/System Administrator will provide advanced network system maintenance and support, install and troubleshoot hardware and software, manage Active Directory and email systems, respond to network alerts, and ensure customer satisfaction through effective communication and on-site support.
5 Hours Ago
New York, NY, USA
233 Employees
110K-150K Annually
5-7 Years of Experience
233 Employees
110K-150K Annually
5-7 Years of Experience
Marketing Tech • Financial Services
As a Senior IT System Administrator, you will support employees through a ticketing system and other communication tools, manage SaaS services, implement new technologies, maintain software and hardware, and improve office networks and security practices while collaborating with the internal team.
5 Days Ago
United States of America
85,636 Employees
69K-126K Annually
5-7 Years of Experience
85,636 Employees
69K-126K Annually
5-7 Years of Experience
Aerospace • Logistics • Security • Software • Cybersecurity
The Systems Administrator will perform maintenance on Mission Package Computing Environment hardware and software, troubleshoot technical issues, deploy and maintain network gear, and manage server setups, including Windows/Linux systems. The role requires interacting with engineers and documenting technical procedures.
13 Hours Ago
Rochelle Park, NJ, USA
34 Employees
5-7 Years of Experience
34 Employees
5-7 Years of Experience
Information Technology
The Senior System Administrator will develop, implement, and support various systems administration and network initiatives for clients. Responsibilities include troubleshooting, managing Office 365 and Azure, and ensuring effective operations of switches and firewalls.
24 Days Ago
Nashua, 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 Linux servers, design and implement lab infrastructure, monitor system performance, and maintain system security in compliance with customer standards. You will collaborate with other teams to improve system efficiency and manage software upgrades, while ensuring 24/7 uptime service.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+76 More

Featured Jobs

4 Hours Ago
Fort Meade, MD, USA
110 Employees
1-3 Years of Experience
110 Employees
1-3 Years of Experience
Information Technology
The Systems Administrator will manage complex operational networks, handle event management, conduct incident management, and maintain system logs. Responsibilities include processing service requests, coordinating with various teams, and enhancing operational procedures.
14 Hours Ago
Wyomissing, PA, USA
22 Employees
1-3 Years of Experience
22 Employees
1-3 Years of Experience
Consulting
Seeking an I-Series System Administrator with expertise in disaster recovery, BRMS, and team leadership. Must have experience in I Series architecture and customer communications. The role involves working with a team across multiple geographies.
11 Hours Ago
Frisco, TX, USA
361 Employees
3-5 Years of Experience
361 Employees
3-5 Years of Experience
Artificial Intelligence • Cloud • Machine Learning • Analytics • Consulting
The Systems Administrator III supports the vBlock infrastructure by testing, implementing, and optimizing virtual environments. Responsibilities include monitoring system performance, diagnosing failures, maintaining security standards, and ensuring compatibility of hardware/software. The role requires collaboration with team members on cross-functional initiatives and a focus on continuous improvement and routine maintenance of systems.
Top Benefits:
Dental Insurance
Health Insurance
Conferences Training
+4 More
An Hour Ago
Long Beach, CA, USA
3-5 Years of Experience
3-5 Years of Experience
Information Technology
Responsible for administering Windows Server operating systems, managing Active Directory, implementing patch management, configuring backup and disaster recovery solutions, and enforcing security and compliance standards. Ensures optimal server performance and reliability while maintaining effective communication and collaboration.
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 Senior Systems Administrator, you will develop, implement, and secure Government IT systems, maintain server environments, support disaster recovery, manage Active Directory, and facilitate migration to cloud solutions while ensuring compliance with cybersecurity regulations.
18 Hours Ago
Seattle, WA, USA
22 Employees
5-7 Years of Experience
22 Employees
5-7 Years of Experience
Consulting • Financial Services
The ITSM Systems Administrator will support an engagement for a scientific agency within the US Department of Commerce, focusing on installing software, system upgrades, and maintaining data integrity. They will perform system backups and resolve software issues while working under general supervision. Responsibilities also involve providing support to project teams and program managers.
5 Hours Ago
Richmond, VA, USA
146 Employees
3-5 Years of Experience
146 Employees
3-5 Years of Experience
Information Technology
System Administrator role in Richmond, VA supporting Life Safety operations, involving configurations and maintenance of Windows and Linux Servers, tier 1 support, customer service, on-call rotation, end user resources support, project documentation, cybersecurity controls, and task automation.
6 Hours Ago
San Francisco, CA, USA
Hybrid
250 Employees
134K-153K Annually
1-3 Years of Experience
250 Employees
134K-153K Annually
1-3 Years of Experience
Software
As a SaaS Systems Administrator, you will architect and manage scalable SaaS solutions, focusing on identity management and SCIM integrations. You will conduct root cause analyses, document processes, train team members, and develop automation tools in a fast-paced environment.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+49 More
14 Hours Ago
Arlington, TX, USA
18 Employees
5-7 Years of Experience
18 Employees
5-7 Years of Experience
Security • Software • Cybersecurity
The Veritas Systems Administrator is responsible for the operations and maintenance of the Veritas NetBackup application, ensuring compliance with DOD cybersecurity standards. Key duties include monitoring backup jobs, performing disaster recovery, managing backup policies, troubleshooting, and maintaining documentation. Experience in virtualized environments and cloud operations is required.
5 Days Ago
Annapolis Junction, MD, USA
17,673 Employees
66K-136K Annually
7+ Years of Experience
17,673 Employees
66K-136K Annually
7+ Years of Experience
Information Technology
The System Administrator I - Tier 2 provides technical support for network, desktop, and systems hardware and software. Responsibilities include troubleshooting issues, providing remote support, and guiding less-experienced colleagues. The role requires understanding of cloud infrastructure and application of diagnostic techniques.
Top Benefits:
401-K
Adoption Assistance
Child Care Benefits
+19 More
2 Days Ago
Patuxent River Estates, MD, USA
1,413 Employees
3-5 Years of Experience
1,413 Employees
3-5 Years of Experience
Cloud • Information Technology
SMX is looking for a Senior Systems Administrator to work within a 24x7 Information Technology Team supporting the Patuxent River Data Center under the NAWCAD DNA division. Responsibilities include continual support and monitoring of computer systems, maintenance of Windows OS devices, monitoring tools, physical security, documentation maintenance, and more. Required skills include IT experience, Windows OS knowledge, DoD Information Assurance practices, and DoD 8570 compliance. Desired qualifications include Unix knowledge and self-starting initiative.
13 Hours Ago
Albuquerque, NM, USA
3-5 Years of Experience
3-5 Years of Experience
Information Technology
The Windows Administrator is responsible for installing, configuring, and maintaining Windows Server operating systems and managing Active Directory, DNS, DHCP, and related services. Duties include patch management, software deployment, backup and disaster recovery processes, and ensuring security compliance with industry regulations.
13 Hours Ago
Stamford, CT, USA
8 Employees
1-3 Years of Experience
8 Employees
1-3 Years of Experience
Information Technology • Consulting
The System Administrator will oversee IT vendor management, manage backup and disaster recovery solutions, and handle storage administration. They will work with enterprise platforms, perform hardware management on CISCO UCS and blade servers, and monitor network load balancers and Linux/Unix systems.
13 Hours Ago
Chula Vista, CA, USA
5-7 Years of Experience
5-7 Years of Experience
Information Technology
The Senior System Administrator will manage and maintain IT infrastructure with a focus on cloud services and mobile device management. Responsibilities include administering Microsoft Office 365 and Intune, ensuring system availability, providing user support, maintaining security compliance, and overseeing backup procedures.
16 Hours Ago
Columbia, MD, USA
5,090 Employees
59K-96K Annually
3-5 Years of Experience
5,090 Employees
59K-96K Annually
3-5 Years of Experience
AdTech • Agency • Marketing Tech
The Systems Administrator role at Dentsu involves implementing, configuring, and maintaining Windows and Linux servers, Cloud-based services, and Active Directory Domain Services. Responsibilities include troubleshooting technical issues, providing support for incidents and service requests, and ensuring compliance with company policies and standards. The ideal candidate should have 3+ years of experience in enterprise-class solutions and possess Cloud certifications from GCP, AWS, or Azure. DevOps experience is desired, along with strong problem-solving skills and a track record of learning new technologies.
13 Hours Ago
Key West, FL, USA
229 Employees
5-7 Years of Experience
229 Employees
5-7 Years of Experience
Design
The MECM Systems Administrator is responsible for administration, operations, and maintenance of systems across the USSOUTHCOM enterprise. Key duties include managing MECM for software and security updates, ensuring optimal client health, troubleshooting complex issues, and overseeing system integrity and compliance.
Yesterday
College Park, MD, USA
92 Employees
137K-188K Annually
7+ Years of Experience
92 Employees
137K-188K Annually
7+ Years of Experience
Information Technology • Consulting
Seeking a skilled System Administrator to manage and maintain customer's IT infrastructure with expertise in Windows and Linux environments. Responsibilities include network design, security measures, and compliance checks. Must have 8-12 years of experience, Azure certification, and expert knowledge in Ansible, Satellite, Microsoft, RHEL, and PKI infrastructure management. Work onsite at customer facility in College Park, MD.
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