Systems Administrator Jobs in Costa Mesa, CA

Bring your expertise to ensure high availability and security of enterprise systems. Collaborate with IT teams to implement solutions that align with best practices and compliance, while mentoring jun...

Transform systems administration for a critical DoD network, ensuring operational readiness and compliance while collaborating closely with diverse teams to enhance IT infrastructure and cybersecurity...

Join us in overseeing robust network systems while ensuring security and optimization across LAN/WAN infrastructure. You will diagnose issues, manage performance, and implement solutions, enhancing co...

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...

Contribute to IT excellence by managing helpdesk support, enhancing documentation standards, and driving Tier 2 systems administration across diverse SaaS platforms, fostering a collaborative environm...

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...

Join a team that enhances system performance by ensuring the reliability and security of RHEL Linux systems while automating processes with Ansible, contributing to operational efficiency and infrastr...

Reimagine database management by overseeing routine operations, ensuring security, and enhancing database performance. Collaborate with teams to design, implement, and maintain databases tailored for...

Innovate solutions to enhance enterprise system availability and security. Lead strategic planning and coordination with IT teams while ensuring compliance with industry regulations, and mentor junior...

Join a team that's dedicated to delivering frontline IT support and enhancing user experience. Ensure the seamless operation of computing systems, manage asset lifecycle, and assist with network infra...

Contribute to the seamless operation of multi-platform server infrastructures, ensuring security, optimization, and continuity. Engage in advanced administration, disaster recovery planning, and suppo...

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...

Take ownership of IT infrastructure by ensuring high availability, security, and compliance. Act as a liaison between management and IT teams while mentoring junior staff and leading special projects...

Drive efficient systems maintenance by automating updates, enhancing security, and resolving network issues. Collaborate within a dynamic environment focused on optimizing training systems across mult...

Drive a streamlined endpoint management environment, optimizing Microsoft Intune to enhance security and compliance for corporate and BYOD devices across diverse platforms while collaborating with cro...

Manage day-to-day operations of secure classified networks, ensuring high performance and support for Special Access Programs. Collaborate with stakeholders to maintain system integrity and security w...

Shape the future of IT capacity management by ensuring resources meet business demand in a regulated environment. Collaborate with teams to optimize performance, manage risks, and align strategies for...

Innovate reliable cloud-based systems while enhancing security and automation. Collaborate across teams, mentor peers, and drive strategic infrastructure improvements in a dynamic DevOps environment t...

Drive innovation in application optimization across iOS, Android, and Windows. Collaborate with teams to troubleshoot and enhance performance while ensuring seamless integration and user experience in...

Lead the charge in IT support management, mentoring a skilled team and optimizing hardware procurement, project execution, and ticket resolution while ensuring compliance with industry standards and s...

Lead the charge in high-volume server activation to enhance global cloud infrastructure, ensuring quality and efficiency during scaling phases. Collaborate across teams to optimize processes, driving...

Empower your career by ensuring the integrity, security, and performance of enterprise-level database systems. Drive innovation through modern architecture and automation while collaborating with stak...

Lead the charge in ensuring optimal system performance and reliability by administering enterprise systems, servers, and backup infrastructure, while adhering to IT security policies and service deliv...

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...

Grow your career with hands-on training in healthcare management, assisting in operational analysis, budgeting, compliance, and community engagement while supporting leadership in upholding standards...