voip jobs in San Diego

This junior-level cyber engineering role involves supporting the planning, implementation, monitoring, and upgrades of security measures protecting DoD networks and systems. Responsibilities include troubleshooting security and network problems, responding to breaches, testing for vulnerabilities, implementing IA controls compliant with DoD RMF, and configuring firewalls and Linux systems.…See more The candidate must have 2–4 years of hands-on cyber or IT experience, in-depth Linux and virtualized-systems knowledge (VMWare, KVM, Hyper-V), understanding of wireless tools and network security protocols, and DoD 8570 IAT Level 2 certification.

Mid-level cyber engineer responsible for planning, implementing, and managing security measures protecting DoD data, systems, and networks. Will troubleshoot security and network problems, respond to breaches, test for vulnerabilities, implement IA controls compliant with DoD RMF, and ensure appropriate security controls are enabled.…See more Requires 6–8 years of hands-on cyber/IT experience, in-depth Linux and virtualized systems knowledge, firewall configuration and troubleshooting, network security protocols, and DoD IA/RMF frameworks. Must hold DoD 8570 IAT Level 2 certification and an active Secret clearance.

As Principal Network Engineer reporting to the Director of Engineering & Technology, you will develop network architectures for tactical and enterprise systems, implementing security protocols (HAIPE, IPsec, TLS) and dynamic routing (OSPF, EIGRP, BGP, MANET). You'll oversee multi-million-dollar programs with rigorous technical baselines, mentor cross-functional engineering teams, translate customer requirements into system designs, and serve as the technical voice in executive and customer engagements.…See more Key responsibilities include WAN/LAN/WLAN design, DoD RMF compliance, emerging technology adoption (AI-enabled orchestration, zero-trust), and strategic roadmap development.

Technical Lead responsible for managing IT enterprise operations, including computer/network support, incident response, and data spillage asset recovery on classified networks (NIPR/SIPR). Provide peer coaching and mentorship to technicians, troubleshoot hardware/software/networking issues, manage customer tickets to SLA, and support VIP/executive-level users.…See more Lead operational and training activities at the site with hands-on expertise in layer 1 networking, VoIP/VTC, and multi-function device troubleshooting.

Technical Lead responsible for managing IT operations, incident response, and Information Assurance across a 24/7 DoD environment. Provides technical coaching and mentorship to technicians while troubleshooting hardware, software, networking, VoIP, and VTC issues.…See more Manages NIPR/SIPR access, customer tickets per SLRs, and escalations to VIP/executive customers. Requires DoD Secret clearance, Security+ or higher certification, and 4+ years of IT operations experience.

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.

Technical Lead responsible for managing IT support operations, incident response, and data assurance on classified networks (NIPR/SIPR). Lead peer coaching and mentorship of standard technicians while managing ticket resolution, troubleshooting hardware/software/networking issues, and supporting VoIP/VTC systems.…See more Provide 24/7 operational support with independent decision-making on technical problems and customer escalations.

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.…See more 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.

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.…See more 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.

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.…See more 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.

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).…See more 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.

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.…See more 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.

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.

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.…See more 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.