switching jobs in San Diego

Systems Network Engineer II will design, configure, and troubleshoot Layer 2/3 networks, firewalls, VPNs, and network security controls in cloud and on-premises environments. The role requires strong foundational networking skills including TCP/IP, routing, switching, VLANs, and hands-on troubleshooting of connectivity and performance issues.…See more The engineer will document network topology, maintain security posture through hardening and access controls, and collaborate with cloud, cybersecurity, and infrastructure teams. Preferred experience includes cloud networking (AWS/Azure/GCP), Kubernetes/container networking, infrastructure automation (Terraform/Ansible/Python), and Zero Trust architecture.

This Level 2 Network Engineer role involves answering client support calls, owning technical issues end-to-end from initial contact through resolution, and performing structured troubleshooting across Windows, Active Directory, Microsoft 365, networking (LAN/WAN, VLANs, routing, switching, firewalls, VPNs, wireless), and cloud infrastructure. The engineer coordinates with SMEs and vendors while maintaining client communication, escalates intelligently without relinquishing ownership, and documents findings to build institutional knowledge.…See more Key expectations include first-contact resolution, root-cause analysis, mentoring Level 1 engineers, and participation in infrastructure projects.

Senior IT Systems Engineer leading a team of systems and network engineers to maintain Linux and Windows computing infrastructure supporting Naval tactical systems testing. Responsibilities include IT infrastructure assembly and troubleshooting, virtualization management (VMware/OpenShift), security compliance (DISA STIG, RMF), hardware evaluation and procurement, and on-site support for DoD/Navy labs.…See more Requires 7+ years IT infrastructure experience, networking fundamentals (TCP/IP, routing, switching, firewalls), and virtualization expertise; DoD/Naval systems background and Security+ or CCNA certification are preferred.

LPL Financial seeks a Senior Network Engineer with 10+ years of Data Center Core Network Engineering experience to design, engineer, and operate LAN/WAN and hybrid cloud/on-premises networking solutions. The role requires hands-on expertise in Cisco-centric environments (NDO, ACI, Nexus, Catalyst) and experience with routing protocols (OSPF, BGP), MPLS, DIA, and SD-WAN.…See more Responsibilities include architecting scalable and secure networking solutions, leading migrations and transformation programs, troubleshooting complex issues, and mentoring team members as a technical lead.

This Systems Engineer role supports Naval tactical applications and the Navy's combat systems through IT infrastructure configuration management, hardware/software integration, and technical support. The engineer will work with cross-functional teams on requirements, design documentation, test events, and platform integration while adhering to government security and reliability standards.…See more Required experience includes IT system production planning, network architecture, platform integration, STIG hardening, and core networking concepts (TCP/IP, routing, firewalls). Preferred skills include DoD/Naval systems experience, container technologies (Docker, Kubernetes), Linux administration, scripting (Python, Bash, PowerShell), and automation tools (Jenkins, Ansible).

Network Engineer responsible for supporting and maintaining enterprise Cisco routing, switching, and firewall infrastructure, with hands-on duties including firewall administration, load balancing support, network performance monitoring, and participation in infrastructure upgrades and migrations. The role requires experience in complex enterprise network environments, incident troubleshooting, and escalation support, balancing day-to-day operational responsibilities with project-based modernization initiatives.See more

Senior Network Engineer to design, build, and operate critical network infrastructure for cloud, AI/GPU, and high-performance computing environments. Responsibilities include managing multi-homed internet edge networks with BGP/eBGP, designing high-availability architectures with redundant firewalls and load balancing, deploying InfiniBand/GPU networks, automating configuration with Python/Ansible, and leading incident response.…See more Requires 7+ years of network engineering experience, strong BGP and TCP/IP expertise, hands-on work with Cisco/Arista/Fortinet platforms, and network automation skills.

Senior Systems Engineer responsible for administration and operations of a global cloud SaaS infrastructure serving millions of users. The role requires expert-level Linux and systems administration skills, with hands-on responsibility for availability, performance monitoring, and troubleshooting across web, database, and network layers in production environments.…See more Must have SRE/DevOps experience managing large-scale server infrastructure, proficiency with configuration management tools (Ansible, Puppet, Chef), monitoring platforms (Nagios, Splunk), and scripting languages (Python, Perl, or JavaScript). Knowledge of databases (MySQL, PostgreSQL, Oracle), load balancing (F5, NGINX), and networking technologies is essential.

GALT Aerospace seeks a Systems Engineer, Integration and Test to support integration and testing of networked communication systems, with day-to-day responsibilities including developing test plans and procedures, configuring systems for prototypes, installing and maintaining Windows/Linux servers, managing DNS/Exchange/Active Directory, deploying network infrastructure (switches, firewalls, servers), and troubleshooting network problems. The role requires 4+ years in testing, networking, or IT; proficiency in Linux and Windows; knowledge of routing, switching, VLANs, IP subnetting, and DoD computer/radio systems; and understanding of automation and implementation.…See more Preferred qualifications include network security devices, event management systems, Tactical Data Link, military communications experience, Python/JavaScript scripting, containerization, Ansible, and Agile/Scrum methodologies.

Senior IT Specialist supporting USSOCOM enterprise operations, providing Tier 1–2 network and systems administration across 70,000+ global users. Responsibilities include installation, configuration, troubleshooting, and lifecycle management of LAN/WAN routing, switching, and systems infrastructure (routers, switches, encryption devices, PCs, phones, VTCs).…See more Must demonstrate strong technical troubleshooting and diagnostic skills, comprehensive knowledge of government hardware/software/network components, and ability to prepare technical implementation plans and coordinate with networking and systems teams.

Network Engineer supporting Department of War enterprise missions will design, deploy, integrate, and troubleshoot complex network infrastructures across data centers, campuses, tactical environments, and remote locations. The role requires hands-on experience with enterprise routing, switching, VLANs, routing protocols (OSPF, BGP), network security (firewalls, ACLs, AAA), and integration testing in cross-functional environments.…See more Must hold or obtain Secret clearance and possess CompTIA Security+ and Cisco CCNA certifications. The position involves configuring multi-vendor systems, developing technical documentation, and modernizing resilient, secure enterprise networks supporting critical national security missions.

Design and evolve enterprise network architectures for a large university, including wired, wireless, core, WAN/Internet, data center, and cloud-connected networks. Lead complex infrastructure projects from requirements through deployment, serve as technical escalation resource for routing, switching, and connectivity issues, and develop network standards and runbooks.…See more Mentor junior engineers and evaluate emerging networking, cloud, wireless, automation, and security technologies. Required expertise in large-scale enterprise networks, advanced routing/switching (BGP, OSPF, IPv4/IPv6), enterprise platforms (Aruba, Palo Alto Networks, Infoblox, ClearPass), network observability, and project leadership.

Senior Network Engineer with 8+ years of experience designing, implementing, and managing cloud networking solutions across AWS and Azure, alongside enterprise network infrastructure (WAN/LAN/WLAN, Cisco, Meraki, Palo Alto). The role spans hybrid connectivity, network security controls, performance monitoring, and basic automation using Python and Ansible to improve operational efficiency.…See more Requires hands-on expertise in cloud platforms, routing/switching, firewalls, and observability tools like ThousandEyes and Splunk.

Senior Systems Engineer serving as Tier 3 escalation and solutions architect for a managed service provider (MSP), designing end-to-end technical solutions across Microsoft 365, Azure, identity/security, and networking for multiple clients. Responsibilities include architecting and administering Azure and Microsoft 365 environments (Entra ID, Intune, Exchange Online, SharePoint), implementing security controls (MFA, conditional access, DLP, identity governance), building PowerShell automation and AI-assisted agents to reduce manual work, and mentoring Tier 1/2 technicians.…See more Must have deep hands-on expertise in Azure and O365 administration, strong security background in identity/access management and endpoint security, proven scripting ability, and experience escalating complex infrastructure/cloud/security issues in a multi-client MSP environment.

Design, architect, and evolve highly available enterprise network infrastructure across wired, wireless, core, WAN, data center, and cloud environments. Lead complex Layer 2/3 engineering including routing, switching, segmentation, and high-availability systems; serve as technical escalation for advanced troubleshooting and root-cause analysis.…See more Direct university-wide network modernization projects from requirements through deployment and operational transition, coordinating across IT teams, campus partners, vendors, and service providers. Develop network architecture strategies, multi-year roadmaps, standards, and provide technical mentorship to junior engineers.

Senior network architect and engineer responsible for designing, evolving, and modernizing SDSU's enterprise wired, wireless, core, WAN, data center, and research networks. Lead complex infrastructure projects from architectural design through deployment and operational transition, serve as technical escalation resource for advanced routing, switching, and wireless issues, and mentor network engineering staff.…See more Required skills include large-scale enterprise network architecture, advanced routing/switching (BGP, OSPF, IPv4/IPv6, segmentation, high availability), hands-on packet/protocol analysis, RF engineering, and vendor platform expertise (Aruba, Palo Alto Networks, Infoblox, ClearPass). Develop architecture standards, technical documentation, and evaluate emerging networking technologies.

This role supports cybersecurity engineering and infrastructure security for enterprise, cloud, and classified environments. The engineer will manage vulnerability assessment, system hardening, patching, secure configuration, and DevSecOps pipeline integration across Linux and Windows Server platforms.…See more Responsibilities include compliance support (RMF, ATO, NIST SP 800-53, DISA STIGs), CI/CD security automation, containerized environment hardening, and infrastructure-as-code implementation. Strong technical depth in cloud platforms (AWS/AWS GovCloud), container orchestration, security tooling, and the ability to communicate complex technical and compliance issues to engineering and mission stakeholders 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, Systems will provide engineering, administration, and operational support for complex enterprise and cloud-based network environments supporting U.S. Navy RDT&E initiatives.…See more Responsibilities include configuring and troubleshooting routing, switching, firewalls, and security solutions; monitoring network performance; managing cloud connectivity across AWS and Azure; and ensuring STIG compliance. The role requires 10+ years of enterprise network engineering experience, hands-on proficiency with Cisco/Aruba/Palo Alto platforms, routing protocols (OSPF, BGP, IPsec), cloud networking, and Zero Trust architectures. An active Secret Clearance and IAT II certification (Security+, CCNA Security, GSEC, CySA+, GICSP, or SSCP) are required.

This entry-level role supports the build, assembly, configuration, and testing of C4ISR network and communication equipment racks for Navy production environments. The engineer performs hands-on technical tasks including rack assembly, cable fabrication, component installation, software loading, basic device configuration (VLANs, IP addressing, routing), and functional testing under senior engineer guidance.…See more The position requires foundational networking knowledge (TCP/IP, routing, switching, VLANs), basic experience with Cisco or Juniper devices, ability to read technical diagrams, and troubleshooting skills using tools like ping, traceroute, and Wireshark. Candidates should have an Associate's or Bachelor's degree in IT/Network Engineering or equivalent military technical training, plus 3–7 years of network engineering or IT support experience; CCNA, Network+, or Security+ certification is preferred.

Systems Engineer supporting U.S. Navy command and control programs, integrating maritime surveillance and C2 capability for partner nations.…See more Responsibilities span LAN/WAN networking, Windows and Linux server administration, VMware virtualization, system configuration and troubleshooting, requirements definition, interface specification, and test planning. The role bridges network infrastructure and C2 applications, requiring hands-on experience standing up and defending integrated systems from requirements through installation and site acceptance. Candidates should have 3–8 years of systems and network engineering on Navy C4I or comparable DoD command-and-control programs.

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).

This role supports mission-critical network operations for U.S. Navy RDT&E infrastructure, requiring 10+ years of enterprise network engineering experience.…See more The Network Engineer will design, configure, and maintain complex routing, switching, and firewall solutions across on-premises and cloud environments (AWS/Azure), implement Zero Trust and network security architectures, and ensure STIG compliance and high-performance connectivity. Hands-on expertise with BGP, OSPF, IPsec, VLANs, HPE Aruba, Palo Alto firewalls, and enterprise monitoring tools (Traffic Sentinel, Zabbix) is essential. An active Secret clearance and IAT II certification (Security+, CCNA Security, or equivalent) are required.

Serve as a primary administrator for core security technologies including Microsoft Defender Suite, Entra ID, Conditional Access, and endpoint protection, while also administering enterprise infrastructure across Microsoft 365, Azure, AWS, VMware, and hybrid platforms. Troubleshoot complex infrastructure and security issues, manage cloud backup and disaster recovery, monitor alerts through LogicMonitor and SIEM/MDR/SOCaaS services, and coordinate with security operations teams on investigations and remediation.…See more Requires 8+ years of hands-on experience in cybersecurity and infrastructure engineering in business-critical environments, with deep expertise in Microsoft identity and security technologies, cloud platforms, vulnerability management, and enterprise backup solutions. Participate in after-hours support and escalation activities as needed.

Senior Network Engineer supporting mission-critical defense network environments at NIWC Pacific. Responsibilities include engineering, integration, testing, and maintenance of complex Combined Test Bed (CTB) network infrastructure, with emphasis on security, STIG compliance, and multi-cloud connectivity.…See more Required skills span enterprise routing/switching, firewall management, cloud networking across AWS and Azure, and network security technologies including Zero-Trust architectures. Must hold or be able to obtain Active Secret clearance and possess DoD 8570 IAT Level II and networking certifications.