Network Administrator Jobs in Irvine, CA

Shape the future of enterprise network operations, security, and infrastructure while managing and sustaining an integrated IT environment with a focus on routing, switching, and network security tech...

Elevate network operations by managing and optimizing multi-site infrastructures, ensuring efficient firewall administration and real-time support for live events. Join a dynamic team enhancing immers...

Engineer innovative network solutions that optimize performance, security, and reliability for a multi-site enterprise. Collaborate across teams to enhance infrastructure and support growth initiative...

Deliver critical IT support by managing user accounts, endpoints, and network infrastructure, while enhancing operational efficiency in a regulated environment. Collaborate across teams to maintain ro...

Transform your career by securing enterprise infrastructures and enhancing CMMC Level 2 compliance. This hands-on role involves managing network security systems and collaborating across departments t...

Elevate server performance by designing, implementing, and maintaining secure, enterprise-level server infrastructure, leveraging virtualization, automation tools, and best practices for efficiency an...

Architect robust network infrastructures, focusing on Cisco Meraki and cloud solutions. Own monitoring, troubleshooting, and security of systems across diverse environments while collaborating with cr...

Drive operational efficiency by streamlining workflows and automating systems. Contribute to a centralized team optimizing enterprise applications to enhance productivity and reduce operational overhe...

Drive proposal pricing strategy and cost volume development to secure complex opportunities in national security, civil, and commercial space pursuits. Collaborate cross-functionally to ensure competi...

Design and enhance enterprise IT systems ensuring optimal performance and user support. Lead infrastructure architecture, endpoint management, and compliance across diverse environments, directly impa...

Help us enhance Navy ground operations as a Systems Administrator & SME for P8 systems. You'll ensure system functionality, troubleshoot issues, and support fleet operations to drive mission success i...

Elevate operational excellence by managing IT systems, supporting cybersecurity, and leading infrastructure initiatives. Collaborate across teams to drive innovative tech solutions while ensuring the...

Engage in maintaining and modernizing IT infrastructure, supporting networking, cloud, and security solutions. Collaborate with stakeholders to enhance technology operations while ensuring reliable an...

Empower operations as a System Administrator for MODES III, managing AWS and on-prem cloud systems. Ensure system security, availability, and performance while collaborating with DevOps teams to suppo...

Join a team that's dedicated to enhancing Azure cloud infrastructure while supporting critical applications through innovative engineering practices, collaboration, and operational excellence in a dyn...

Tackle the management and optimization of cloud infrastructure, office networking, and security protocols. Collaborate closely with teams to ensure reliable operations amid growth, driving integration...

Optimize IT systems and infrastructure while ensuring performance, security, and compliance. Lead troubleshooting efforts and mentor juniors, driving innovation to support business goals within a dyna...

Drive innovative solutions as a Senior System Administrator, overseeing system integration, administration, and performance optimization while collaborating with cross-functional teams to enhance oper...

Join a dynamic team to manage secure network and application environments, providing executive-level reporting and developing tools for operational efficiency while ensuring compliance with federal st...

Advance your career as a seasoned Network Engineer, driving network and security solutions in dynamic enterprise environments while leveraging your expert knowledge of LAN/WAN principles and infrastru...

Lead and inspire a high-performing team focused on securing cloud infrastructure and modern application delivery. Drive enhancements in security architecture while advancing team skills in a collabora...

Optimize the operation and configuration of complex Okta environments, ensuring stability and support while leading a team of system administrators and enhancing end-user technology experiences...

Join a dynamic global network team to design, implement, and support sophisticated network services, ensuring operational excellence across enterprise architecture and collaborating with cross-functio...

Join a dynamic engineering team to enhance Windows OS sensor solutions, tackling complex challenges, optimizing systems, and ensuring high-quality project delivery through collaboration and technical...

Deliver hands-on engineering expertise to optimize critical broadcast networks, ensuring zero downtime during live events. Manage complex routing, virtualization, and hardware while actively contribut...