firewall-configuration jobs in San Diego

The IT Support Services I role provides frontline technical support to employees and clients, diagnosing and resolving hardware, software, and network issues across desktops, laptops, mobile devices, and printers. Responsibilities include managing user accounts and Active Directory, configuring operating systems and software, troubleshooting network connectivity and VPN access, and escalating complex issues to senior engineers.…See more The position requires 2+ years of hands-on experience with Microsoft Networks, firewalls, TCP/IP, Active Directory, Group Policy, PowerShell, and cloud technology integration, along with strong customer service and documentation skills.

Network engineer responsible for engineering, configuring, and sustaining mission-critical networked systems including Cisco, Aruba, Juniper, and Cambium platforms. Supports end-to-end system lifecycle from staging through sustainment, deploys and troubleshoots networks in labs, shore facilities, and data centers, and implements secure network architectures aligned with RMF and STIG standards.…See more Requires 8+ years of hands-on network engineering experience, DoD Secret clearance, and certifications such as Security+, CCNA/JNCIA or higher, with expertise in Layer 2/3 technologies, VPNs, firewalls, and wireless deployments.

Network Engineer supporting Navy AT/FP systems at NIWC Pacific, responsible for engineering, configuring, and sustaining advanced networking equipment (Juniper, Aruba, Cisco) across shore facilities and data centers worldwide. Design and implement secure network architectures compliant with RMF and STIGs, perform system hardening and vulnerability remediation, and support end-to-end lifecycle from staging through sustainment.…See more Requires active interim Secret clearance with ability to obtain full adjudication, bachelor's degree plus 5 years experience (or HS diploma plus 8 years), DoD 8570/8140 baseline certification, and hands-on expertise in Juniper Junos OS, Aruba switching/wireless, Cisco switching/routing/firewalls, Layer 2/3 protocols, and mission-critical system support.

Linux Systems Engineer II role supporting biotech/scientific computing environments. Responsible for designing, implementing, and maintaining Linux systems (Red Hat, Rocky, CentOS, Ubuntu), storage infrastructure (NFS, ZFS), HPC clusters (Slurm), virtualization, and containerized environments.…See more Requires 3–5+ years of hands-on Linux administration, scripting (BASH, Python), disaster recovery, and backup solutions; will also mentor junior IT staff and participate in cross-functional projects.

A senior network systems engineer responsible for designing, implementing, and maintaining enterprise network infrastructure including routing, switching, firewalls, and wireless systems. The role involves configuring and securing HPE Aruba and Palo Alto solutions, managing routing protocols (OSPF, BGP), implementing NAC and Zero-Trust architectures, and conducting network validation testing.…See more Requires 10+ years of network engineering experience, a bachelor's degree in a technical discipline, and an active Secret clearance with one of six specified IAT Level II certifications (Security+, CySA+, CCNA Security, GICSP, GSEC, or SSCP).

The IT Support Services I associate will provide frontline technical support to employees and clients, diagnosing and resolving hardware, software, and network issues via phone, email, and ticketing systems. Responsibilities include installing and configuring operating systems and software, managing user accounts and Active Directory, troubleshooting network connectivity and VPN access, and escalating complex issues to senior engineers.…See more The role requires 2+ years of hands-on experience with Microsoft Networks, firewalls, TCP/IP, PowerShell, and endpoint security, along with strong communication skills and the ability to work independently under pressure.

The Cybersecurity Engineer II will design, engineer, and deploy cybersecurity and network defense solutions across complex DoD environments, with hands-on responsibility for SIEM, IDS/IPS, firewalls, and vulnerability management platforms. The role involves configuring Splunk Enterprise, conducting network and security analysis with tools like Wireshark and Tenable, and leveraging automation and APIs to improve security operations.…See more The engineer will support DoD Computer Network Defense requirements, integrate solutions across Windows, Linux, and network infrastructure, and collaborate with government and vendor teams throughout acquisition, testing, and deployment. The position requires 5–7+ years of hands-on cybersecurity and network defense experience, a Bachelor's degree in a related technical field, and an active U.S. national security clearance.

The Navy Integrated Training Environment (NITE) Network Administrator operates, maintains, and troubleshoots network connectivity and infrastructure on the Navy Enterprise Tactical Training Network (NETTN) across multiple classification levels. Working in the Network Operations and Security Center (NOSC), the candidate will support WAN circuits, router and switch configurations, firewall ACLs, VoIP device registrations, cryptographic device configurations, and coordinate with Navy, DISA, and commercial providers for implementation and troubleshooting.…See more Responsibilities include maintaining Information Assurance compliance, IOS upgrades, network device configuration changes, and supporting remote sites in restoring network failures. The role requires technical expertise in LANs, WANs, VPNs, routers, switches, firewalls, and voice communication networks.

Senior Network Administrator supporting Naval Information Warfare Center Pacific, responsible for designing, securing, and maintaining complex DoD network environments. Will perform network engineering, hardware configuration (routers, switches, firewalls), performance monitoring, cloud connectivity (AWS/Azure), routing protocol management, and cybersecurity compliance including Zero Trust architectures.…See more Requires 10+ years of enterprise network experience, active Secret clearance, and DoD 8570/8140 IAT Level II certification plus Cisco certification (CCNA/CCNP/CCDP).