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voip jobs in San Diego

$99,000 – $225,000 · Posted 2 days ago

Lead the design, development, and integration of ashore and afloat network and cloud-agnostic system architectures for Naval infrastructure, spanning enterprise IT systems, cloud migrations, and hybrid environments. Collaborate with cross-functional teams to conduct system assessments, develop detailed workload migration plans with risk mitigation strategies, and provide architectural oversight during implementation. Required: 12+ years of DoD enterprise systems engineering experience, proficiency with Red Hat and Microsoft technologies, AWS and Azure cloud architecture, infrastructure-as-code, SAN/HCI/DR architectures, and DoD cybersecurity compliance (RMF, STIGs). Must obtain DoD 8570.11 IAT Level II certification within 30 days of start.

San DiegoLast seen 1 day ago
$75,000 – $100,000 · Posted 3 days ago

Sigma Defense seeks Network Engineers (I, II, or III) to configure, install, and maintain DoD network equipment across Navy Enterprise architecture, including switching, routing, firewalls, wireless, and VoIP systems. Candidates will design and troubleshoot VLANs, routing protocols, IP addressing, and WAN connectivity while applying network STIGs and integrating external services. The role requires hands-on expertise with Cisco ISE, Palo Alto, next-gen firewalls, and deployment automation tools (Ansible, Python, PowerShell), scaling from 0–2 years (Level I) through 7+ years (Level III), with Security+ or CISSP certification mandatory.

San DiegoLast seen 1 day ago
$95,379 – $160,850 · Posted 4 days ago

Network Engineer II designs, maintains, and troubleshoots ICW Group's multi-vendor network infrastructure, including LAN, WAN, MPLS, SAN fabric switches, server load balancers, and VoIP systems. Provides 3rd tier technical support, works with security and project teams to mitigate network risks, and ensures compliance with ITIL and regulatory standards. Requires a Bachelor's degree in Computer Science or related field, minimum 5 years of networking experience, CCNA or JNCIA certification (CCNP or JNCIS preferred), and hands-on expertise with Juniper networking devices, VMware virtualization, routing protocols, and firewall administration.

San DiegoLast seen 2 days ago
$86,900 – $198,000 · Posted 7 days ago

Enterprise IT Systems Engineer supporting mission-critical Department of Defense environments with 12+ years of experience designing and administering secure, scalable infrastructure. Responsibilities include managing Microsoft Active Directory, PKI, enterprise backup/disaster recovery, storage area networks, Hyper-Converged Infrastructure, and virtualization platforms (VMware, Kubernetes, Docker). Must demonstrate expertise in DoD cybersecurity compliance (RMF, STIGs), cloud services (Office 365, IaaS/PaaS), and secure system technologies including encryption, VDI, and VoIP. Requires TS/SCI clearance and ability to obtain DoD 8570.11 IAT Level II certification within 30 days.

San DiegoLast seen 4 days ago
Posted 9 days ago

Senior Modem Firmware Engineer responsible for designing, developing, and integrating 5G cellular modem modules into OpenWrt-based router and gateway platforms. Owns the end-to-end modem stack including kernel drivers, user-space daemons, and network configuration to deliver reliable connectivity, failover, and optimal throughput. Develops and maintains USB/PCIe drivers, implements QMI/RMNET/AT command interfaces, configures routing policies, and debugs connectivity issues across RF, baseband, driver, and user-space layers. Requires 4+ years embedded Linux development, 2+ years OpenWrt or similar, and 2+ years cellular modem integration experience.

San DiegoLast seen 7 days ago
$132,832 – $150,000 · Posted 10 days ago

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. 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.

San DiegoLast seen 8 days ago
$109,500 – $209,000 · Posted 10 days ago

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. 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.

San DiegoLast seen 8 days ago
$103,600 – $155,400 · Posted 10 days ago

Qualcomm seeks a Software Engineer to design, develop, and validate Android and Linux networking software for Snapdragon SOCs across smartphones, PCs, wearables, automotive, and IoT platforms. You will write C/C++ code within AOSP, debug across kernel/HAL/system-service layers, contribute eBPF programs for traffic classification, and develop unit tests. The role spans cellular (5G/LTE/Satellite), Wi-Fi, TCP/IP, and IMS connectivity stacks, requiring hands-on experience with Linux kernel interfaces, Android platform internals, and cross-layer system debugging.

San DiegoLast seen 8 days ago