IT Security Administrator Jobs in San Jose, CA

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

Optimize security and IT operations, supporting diverse teams and managing requests while ensuring efficient access control and incident responses. Collaborate in a remote-first environment dedicated...

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...

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...

Champion our security compliance initiatives, leading ISO 27001 and SOC 2 efforts while ensuring audit readiness and enhancing risk management practices across teams for regulated environments...

Accelerate your career by managing moderate complexity projects to enhance data security and clinical systems. Collaborate with cross-functional teams to support incident response and improve user exp...

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...

Advance your career by leading security operations, managing a team of analysts, and enhancing the organization's security posture through effective incident response and monitoring strategies...

Transform IT solutions by automating workflows and enhancing security with tools like Go and Kubernetes. Collaborate across teams to tackle diverse challenges while honing your skills in a modern, inn...

Optimize security operations by monitoring and enhancing computing environments. Proactively identify and address security threats, ensuring robust defense mechanisms and timely incident response for...

Support our clients as a Virtual Client Information Security Officer, integrating top-tier security strategies while consulting and mentoring teams. Engage deeply with clients, ensuring strong adheren...

Join the team to deliver robust Linux administration and automation solutions. Enhance enterprise environments through CI/CD pipeline development, optimize system performance, and ensure operational s...

Champion collaboration efficiencies by managing M365, SharePoint, and Teams while driving identity initiatives. Lead projects, resolve user issues, and enhance security in a fast-paced, dynamic enviro...

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...

Shape the future of enterprise security by designing and managing network security systems across cloud and hybrid environments. Collaborate with teams to enhance security protocols and respond to inc...

Join a team that's transforming cyber risk management by enhancing vulnerability protection and asset visibility. You'll play a key role in shaping strategic programs, collaborating across departments...

Accelerate progress at a pivotal role ensuring optimal performance of the ServiceNow platform, handling system upgrades, user management, and complex problem resolution, while collaborating with stake...

Champion the enhancement of cybersecurity posture by identifying risks, coordinating incident responses, and implementing robust security controls. Collaborate with cross-functional teams to drive com...

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

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...

Engage with us to enhance network security. You'll design, implement, and secure our enterprise network infrastructure while serving as a key technical resource. Collaborate with cross-functional team...

Help us enhance cybersecurity by administering data loss prevention measures, optimizing protective solutions, and ensuring compliance across a rapidly growing environment, while collaborating effecti...

Join a high-impact team to lead cybersecurity efforts, mentor professionals, and ensure compliance within complex environments, driving excellence in security operations and initiatives to protect cri...

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...

Lead the charge in enhancing the Security Operations Center by integrating AI-driven technologies and optimizing incident response strategies to protect critical information assets and ensure resilien...