IT Infrastructure Administrator Jobs in Costa Mesa, CA

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

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

Manage the implementation and operation of IT systems supporting DOJ's complex litigation needs. Optimize performance and ensure security while leading a team in a fully remote environment dedicated t...

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...

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...

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...

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

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...

Join a team that's focused on optimizing enterprise systems through proactive administration and maintenance, ensuring high availability, security, and performance of critical IT infrastructure and se...

Elevate your IT career by managing enterprise applications and databases, collaborating on innovative technology projects, and supporting vital systems in both cloud and on-premises environments for o...

Join a team that ensures secure, compliant IT operations for mission-critical services. As a System Administrator, you'll manage server environments, support cybersecurity protocols, and collaborate w...

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...

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...

Lead mission-critical systems support as a TAK Operations Specialist. Ensure seamless deployments, maintain system reliability, and enhance operational decision-making through expert administration an...

Take ownership of DLA's Okta environments, ensuring stable operation through planning, development, and optimization. Engage in end user support, conduct training, and guide on technology direction to...

Transform the healthcare infrastructure for Veterans by leading modernization initiatives. Collaborate with diverse teams to design secure, scalable solutions and ensure compliance with federal standa...

Drive operational excellence as a senior Linux systems administrator, optimizing and managing medical imaging systems. Collaborate with teams to enhance resilience, automate processes, and ensure reli...

Support IT operations for distribution centers, coordinating helpdesk requests, managing hardware, and ensuring timely response for effective DC functioning while maintaining safety and compliance wit...

Lead day-to-day operations, ensuring customer satisfaction and contract compliance by coordinating with service partners. Drive continuous improvement and growth in service delivery for enhanced custo...

Pioneer the future of litigation support as you manage IT systems for DOJ, optimizing automated resources for complex legal proceedings. Join our remote team to enhance system performance and ensure c...

Optimize your career as a Workday Application Administrator, collaborating with cross-functional teams to enhance system performance and implement scalable HR solutions that align with business object...

Elevate system functionality by managing IT applications and enhancing project delivery through collaboration. Utilize your expertise in troubleshooting and maintenance while integrating AI solutions...

Optimize on-premises IT infrastructure by leading and supporting enterprise systems. Engage in management and troubleshooting across networks, virtualization, and security to enhance performance and r...

Join a team that's integral to the DOJ's litigation mission, supporting complex applications as an E-Discovery Application Administrator. This fully remote role demands expert programming skills to en...

Manage complex litigation support projects remotely, overseeing staff and coordinating case activities. Play a key role in ensuring effective communication with clients and attorneys while executing d...