Network Security Administrator Jobs in Tustin, CA

Shape the future of cybersecurity as you lead penetration testing engagements. Collaborate with clients to enhance their security posture through comprehensive assessments and innovative techniques wh...

Unlock potential by designing and automating network solutions to enhance efficiency and streamline provisioning within secure multi-cloud environments, driving modern IT initiatives and DevOps practi...

Oversee and enhance operations within the Global Network Operations Center while leading a team of technicians in efficiently resolving network incidents and driving continuous operational performance...

Shape the future of global infrastructure and security strategy, leading a distributed team to build enterprise-grade systems. Drive cloud architecture, improve reliability, and enhance security compl...

Take ownership of advanced Linux/Unix systems administration in a 24x7 NOC environment, ensuring reliability, performing troubleshooting, and managing software packages across multiple locations for o...

Join a team that's dedicated to maintaining and enhancing Linux/Unix environments through expertise in administration, troubleshooting, and proactive monitoring. Support critical operations while deve...

Deliver top-tier Linux/Unix systems administration while optimizing performance, troubleshooting complex issues, and ensuring compliance. Take ownership of operational reports and incident resolution...

Support systems administration by monitoring, troubleshooting, and optimizing network performance across development, testing, and production environments while ensuring compliance with operational st...

Play a key role in enhancing our data protection strategy by managing and optimizing the Data Loss Prevention (DLP) program across complex network environments, ensuring sensitive data remains secure...

Join a dynamic engineering team to optimize security solutions and address emerging threats. Collaborate with stakeholders to enhance system integrity and drive risk mitigation strategies while ensuri...

Join a team that's committed to embedding security in the software development lifecycle, protecting sensitive data through proactive threat modeling, reviews, and guidance, while collaborating with d...

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

Accelerate the evolution of DevSecOps practices by leading the design and implementation of CI/CD architectures, applying Agile methodologies, and driving the automation of complex technology solution...

Join a team that's dedicated to enhancing security compliance and risk management across enterprise systems. Utilize your expertise to support cloud migration, conduct security assessments, and ensure...

Engineer and manage Lenel OnGuard Enterprise systems to enhance access control solutions. Collaborate with a dedicated team to troubleshoot issues, configure deployments, and implement innovative secu...

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 a team that's at the forefront of AI security in healthcare, ensuring secure integration of AI technologies and compliance with regulatory standards while acting as a trusted advisor and enabling...

Empower cybersecurity by leading security initiatives, implementing robust solutions, and collaborating with cross-functional teams to strengthen defenses and ensure compliance while securing vital di...

Empower your career as a leader in Information Security Engineering, driving strategy and guiding a high-performing team. You’ll oversee key domains like Data Protection and AI Security, shaping cruci...

Unlock your potential by safeguarding our digital ecosystem as you lead innovative security projects alongside a diverse team, enhancing collaboration and trust across our platform for millions of use...

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...

Lead our cybersecurity initiatives by establishing robust strategies, enhancing security posture, and ensuring compliance across a diverse remote workforce. Collaborate with leadership to protect crit...

Engineer advanced Zero Trust solutions while pioneering AI-driven automation workflows to transform network security architecture and operations, optimizing performance and fortifying security posture...

Champion a transformative approach to network security by leading the design, development, and automation of Zero Trust architectures and AI-driven security operations, enhancing productivity and driv...

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