network-troubleshooting jobs in San Diego

This role administers Microsoft 365 cloud services (Entra ID, Intune, Exchange Online, Teams, SharePoint) and manages core infrastructure including firewalls, VPNs, Active Directory, and Windows Server environments. The Systems Administrator will handle identity and access management, endpoint security, device compliance, and network troubleshooting while automating administrative tasks with PowerShell.…See more Responsibilities include Tier 2/3 technical support, system monitoring, and participation in infrastructure projects. The ideal candidate has 3+ years of systems administration experience with strong Microsoft 365 and networking foundations.

Principle Network Support Engineer providing onsite technical support to DoD/Federal customers, troubleshooting complex network and product issues across multi-tiered systems. Responsibilities include working with support and development teams to resolve issues, utilizing NETSCOUT's Knowledge Management database, and advising customers on network management best practices.…See more Requires minimum 5 years in network management supporting external customers, CompTIA Security+ or higher (CISSP required), CCNA/CCNP Cisco certification, and hands-on Linux and Windows/Unix knowledge.

The Network Engineer will maintain, design, and improve Vaspire Technologies' network infrastructure while maximizing performance. Responsibilities include implementing and troubleshooting networks, configuring routers and switches, monitoring performance, and providing technical support in Linux and Windows environments.…See more The role requires 4+ years of network administration experience, strong IP networking knowledge, and hands-on expertise with Palo Alto firewalls and Cisco ASA devices.

Network Engineer to design and develop Navy network topologies, templates, and IP plans, with hands-on experience in SDN/SD-WAN configuration, L2/L3 switching, routing, and security appliances. The role requires six+ years supporting DoD/federal IT systems engineering, CCNP certification, and active Secret clearance.…See more Candidates should demonstrate expertise in network documentation, troubleshooting, and stakeholder engagement across Navy programs.

San Diego State University seeks a System Analyst to oversee technology operations for the Office of Housing Administration, managing Help Desk and RezCon operations, student staff scheduling and training, and residential technology support. The role requires hands-on troubleshooting of network and technology issues, case management via ServiceNow and StarRez, and technical support for enterprise applications (StarRez, TMA, CBORD, RezLife, Notifi).…See more Responsibilities include device and system management using Jamf, Intune, Active Directory, Azure, and Remote Desktop, as well as audiovisual equipment, networking infrastructure, and VLAN management. The analyst will evaluate technology needs, recommend improvements, and collaborate with campus IT on system integrations supporting over 9,000 residential students and staff.

This role supports the design and engineering of U.S. Navy networks, including developing network topologies, IP plans, and SD-WAN solutions.…See more The Network Engineer will configure L2/L3 switches, routers, and security appliances, create test plans and technical documentation, and troubleshoot network outages. The position requires 6+ years of DoD/government IT systems engineering experience, a Bachelor's degree in Engineering or Computer Science, CCNP certification, and an active DoD Secret clearance. The ideal candidate has hands-on experience with SDN/SD-WAN platforms (VMware NSX-T, Cisco, Juniper), network automation (Python, Ansible, NETCONF), and RF communications technologies.

Senior Network Engineer responsible for designing, operating, and securing enterprise-grade wired and wireless networks across San Diego International Airport. Diagnose and resolve complex network issues through root cause analysis, lead infrastructure projects, and manage disaster recovery and compliance initiatives including vulnerability assessments and penetration testing.…See more Develop comprehensive network documentation, architecture designs, and standard operating procedures. Participate in on-call rotation supporting critical network operations and frequently access airfield facilities.

The Network Administrator will operate, maintain, and troubleshoot network connectivity and infrastructure on the Navy Enterprise Tactical Training Network (NETTN), supporting multiple networks across different classification levels. Responsibilities include managing routers, switches, firewalls, WAN circuits, VoIP devices, and cryptographic configurations; coordinating with Navy, DISA, and commercial providers; maintaining Information Assurance compliance; and providing helpdesk support from the Network Operations and Security Center (NOSC).…See more The role requires hands-on expertise in network hardware, software interconnection, and troubleshooting of network failures at remote sites.

Network Engineer (Level II) supporting U.S. Navy lab development efforts in San Diego, designing, installing, maintaining, and managing complex network systems that integrate multiple computing platforms and topologies.…See more Responsibilities include infrastructure planning and upgrades, lab testing coordination, data collection using specialized equipment (oscilloscopes, BERTs, network analyzers), troubleshooting, and cross-functional collaboration with systems engineering, cyber security, and program teams. Requires a Bachelor's degree in Engineering, Computer Science, Physics, or Mathematics; excellent problem-solving and communication skills; and experience with network integration, ADNS systems, and mission-critical application support.

This role supports the U.S. Navy's Cyber Defensive Operations by installing, configuring, troubleshooting, and maintaining network infrastructure equipment and cabling.…See more Responsibilities include layer-one site surveys, fiber optic cabling installations, hardware assembly and integration, production system support, and on-site technical assistance for servers, storage, and network equipment. The position requires hands-on network engineering experience, familiarity with Linux/RHEL, and relevant security certifications (Security+, Network+). Travel up to 50% (CONUS and OCONUS) and on-site work at NAVWAR Old Town Campus in San Diego are required.

Senior Network Engineer supporting mission-critical defense network environments at Naval Information Warfare Center Pacific. Responsibilities include operational and engineering support for complex Combined Test Bed networks, including installation, configuration, upgrades, maintenance, and STIG compliance.…See more Design and maintain secure multi-cloud connectivity across AWS and Azure, configure enterprise routing/switching/firewall platforms, and implement network security solutions including Zero-Trust architectures, Aruba ClearPass, and NAC technologies. Requires 10+ years in enterprise/government network engineering, hands-on experience with Palo Alto firewalls, HPE Aruba solutions, OSPF, BGP, IPsec, and cloud networking, plus a Master's degree and active Secret clearance.

The Network Engineer IV delivers advanced carrier training tactical system network engineering, integration, and sustainment for Navy afloat C4ISR operations within the CANES architecture. The role maintains, configures, and troubleshoots ruggedized network hardware and software baselines; provides direct technical support to shipboard ITs during Fleet training evolutions and underway testing; and ensures system readiness, cybersecurity compliance, and secure tactical data transport.…See more The engineer supports RMF artifacts, STIG application, vulnerability remediation, and Zero Trust hardening across Fleet units. 3–5 years of network engineering experience, CCNA/CCNP certification, DoD 8570 IAT Level II (Security+), and an active Secret clearance are required.

This role manages a large technical team supporting Navy-Marine Corps Intranet (NMCI) network operations under the SMIT contract. The engineer will lead field/base network operations including BAN/LAN/WAN troubleshooting, installation, configuration, cabling, and COMSEC support across DOD enterprise network environments.…See more Responsibilities include incident response, change management, problem management, and DevSecOps initiatives, with direct customer interaction and resource management. The position requires extensive operations/engineering leadership experience, solid network architecture knowledge, and hands-on proficiency in fault diagnosis, repair, and passive infrastructure work.

Lead a large technical team supporting Navy-Marine Corps Intranet (NMCI) operations under the SMIT contract, managing network infrastructure, incident response, change management, and O&M initiatives. Perform hands-on network engineering including troubleshooting, installation, configuration, cabling, and COMSEC support across BAN/LAN/WAN environments.…See more Analyze network architectures, diagnose faults, manage customer relationships, and execute projects in a fast-paced DOD enterprise network environment. Requires extensive operations/engineering leadership experience with network/transport technical background and DOD enterprise network knowledge.

Senior Network Engineer providing engineering, integration, testing, and operational support for complex Combined Test Bed (CTB) network environments in defense settings. Responsibilities include installation, configuration, upgrades, and STIG compliance of network infrastructure; monitoring and troubleshooting network performance at physical and IP packet levels; designing and maintaining secure multi-cloud connectivity across AWS and Azure; and configuring enterprise networking technologies including routing, switching, firewalls, IPsec, OSPF, and BGP.…See more Requires 10+ years in network engineering within enterprise or government environments, expertise in routing/switching platforms, Palo Alto firewalls, HPE Aruba solutions, cloud networking, and active Secret clearance with DoD 8570 IAT Level II and networking certifications (CCNA, CCNP, or CCDP).

As a Network Engineer supporting Naval Information Warfare Center Pacific, you will engineer, configure, and sustain advanced networking equipment (Juniper, Aruba, Cisco) across Navy installations worldwide. You will design secure network architectures, implement RMF and STIG compliance, manage VLANs/routing/VPNs, support wireless deployments, and conduct site surveys and integration testing with 50%+ travel.…See more You must hold an active DoD Secret clearance, meet DoD 8570/8140 certification requirements (Security+ minimum), and have 8+ years of DoD or enterprise network engineering experience with hands-on expertise in Juniper, Aruba, and Cisco platforms.

Network Engineer responsible for deploying, configuring, troubleshooting, and optimizing enterprise network infrastructure supporting Department of War missions across data centers, campuses, and tactical environments. Will work with routing, switching, security technologies, and systems integration to deliver resilient, secure, and high-performing network solutions.…See more Requires 3+ years of hands-on network infrastructure experience, knowledge of enterprise networking protocols and security technologies, and ability to develop technical documentation and artifacts. Requires Secret clearance and CompTIA Security+ and Cisco CCNA certifications.

Lead network design and management for military C4I and C4ISR systems, with responsibility for complex LAN/WAN infrastructure using Cisco products (switches, routers, firewalls). Troubleshoot network hardware and software issues, design secure operational networks, and collaborate with U.S.…See more Government network and cyber engineers. Requires 7–10 years of network engineering experience, proficiency in Cisco, TCP/IP, MPLS, OSPF, EIGRP, DMVPN/mGRE, and active Secret clearance; up to 25% OCONUS travel for integration and testing.

Senior Network Specialist will install, configure, and support LAN, WAN, and Internet systems for a large DOD program. Responsibilities include routine testing and analysis of network facilities, monitoring network availability, troubleshooting performance issues, and performing maintenance.…See more Requires 6–10 years of networking experience (depending on education level), hands-on expertise with Cisco routers and switches, IPv6 and Layer 3 protocol knowledge, and ability to obtain and maintain a Secret or Top Secret clearance.

Field/Base Network Engineer managing large technical teams and Navy-Marine Corps Intranet (NMCI) operations under the SMIT contract. Responsibilities include BAN/LAN/WAN network operations, troubleshooting, repair, installation, cabling, configuration, and COMSEC support; managing incident response, change management, and problem management initiatives.…See more Requires extensive operations/engineering leadership experience, working knowledge of large DoD enterprise network environments, and hands-on technical background in network architectures, fault diagnosis, and ITSM/DevSecOps. Physical role involving equipment installation, rack mounting, confined-space work, and site-based troubleshooting across multiple locations.

This role provides technical and operational support for Advanced Tactical Data Link (ATDL) systems with emphasis on cryptographic integration, Communications Security (COMSEC), and network interoperability. Responsibilities include configuring and fielding secure communication systems, troubleshooting system and interoperability issues in lab and field environments, evaluating network architectures, and providing training to operators and maintainers.…See more The position requires minimum 2 years of hands-on experience with ATDL systems (Link 16, MIDS JTRS), COMSEC material handling, CMS processes, and an active Top Secret clearance with SCI eligibility.

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.

Verizon seeks a Unified Communications Engineer to provide Tier III/IV operational support and service delivery for the US Navy NMCI UC infrastructure. The role involves designing, configuring, implementing, and troubleshooting enterprise Cisco voice, video, and presence systems, as well as Ribbon collaboration technologies.…See more Responsibilities include maintaining VoIP/VTC systems, supporting IP communication networks, creating technical documentation, and mentoring junior personnel. Candidates must have 4+ years of relevant UC/telecom experience, DOD 8570 Security+ compliance, an active Secret clearance (or ability to obtain one), and expertise with Cisco CUCM, Unity Connection, VCS, and Session Border Controllers.

Senior Network Engineer with 8+ years of experience designing, implementing, and managing cloud networking solutions across AWS and Azure, including VPCs, hybrid connectivity, and cloud-native security controls. The role involves hands-on enterprise network infrastructure work with Cisco, Meraki, and Palo Alto technologies, along with network automation using Python and Ansible.…See more Responsibilities include troubleshooting complex network and security issues, optimizing performance using monitoring tools like ThousandEyes and Splunk, and managing identity/access controls via Cisco ISE.

As an IT Support Engineer I, you will implement technical solutions and provide high-quality support for computer hardware, operating systems, and enterprise application software across Amazon's global operations. You will troubleshoot and resolve network, infrastructure, and computing system issues in multi-user, high-availability environments, ensuring production availability.…See more Responsibilities include network engineering, systems administration, managing technical projects, and identifying root causes of operational issues. The role requires hands-on experience with Windows Server, networking protocols, PC repair and deployment, and corporate IT service delivery.