16 voip engineer jobs at 12 companies in San Francisco, CA

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Staff Customer Engineer - Iberia and FIME
Madrid or Paris or Seattle or London or Berlin or San Francisco or New York City or Sydney or Mexico City
OnsiteFull Time
Aircall
Aircall: Cloud-based customer communications and call center platform.
8+ YOERequires Spanish and English proficiency, advanced VoIP, API, integration, webhook, cloud architecture, solution design, project leadership, executive communication, and SaaS customer engineering expertise.
VoIP, APIs, webhooks, JavaScript, Python, ChatGPT, Claude
2w
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Sr. Network Engineer
Santa Clara, California, United States
OnsiteFull Time
IT Management Corporation
IT Management Corporation: Provides cloud communications and IT infrastructure for public sectors.
Senior-level network and systems engineering experience with enterprise routing, switching, LAN/WAN, Wi-Fi, firewalls, UCaaS/VoIP support, strong documentation and communication skills.
Cisco, Ruckus, Palo Alto Networks, Fortinet, UCaaS, VoIP
2mo
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ECD Chief Program Engineer
Sunnyvale, California, United States
$150k-$180k/yr OnsiteFull Time
Knightscope
KnightscopeNASDAQ: KSCP: Manufactures autonomous robots and communication devices for physical security.
10+ YOEBachelor's in engineering, 10+ years leading product development of outdoor electromechanical or telecommunications systems, hands-on hardware integration experience, strong leadership and problem-solving; US citizenship required.
Knightscope Signals, VoIP, PoE
1mo
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Senior Software Engineer
San Francisco, California, United States
$117k-$224k/yr HybridFull Time
Salesforce
SalesforceNYSE: CRM: Sells cloud-based customer relationship management and business software solutions.
5+ YOERelated technical degree,5+ years supporting large-scale voice infrastructure in public clouds,experience with PSTN/SIP/VoIP,SBC configuration,EMR not required,AI/ML for voice operations preferred.
PSTN, SIP, VoIP, SBCs, STIR/SHAKEN, AI/ML, Salesforce Einstein, Python, HTTP, HTTPS, TCP, UDP, Linux (Red Hat), Ansible, Puppet, Chef, Docker, Kubernetes, CI/CD, Terraform, Helm, Spinnaker
2mo
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Software QA Engineer
Sunnyvale, California, United States
$123k-$135k/yr OnsiteFull Time
Ooma
OomaNYSE: OOMA: Provides cloud-based phone and security services for businesses and homes
5+ YOE5+ years professional experience with ≥2 years testing VoIP, networking, and application solutions; automated test development; AI-assisted testing familiarity; Linux experience; mobile testing and lab environment setup; strong communication and multitasking skills.
VoIP, Linux, iOS, Android, AI-assisted testing tools
2mo
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Senior Audio/Video Engineer
Sunnyvale, California, United States
$155k-$210k/yr OnsiteFull Time
Knightscope
KnightscopeNASDAQ: KSCP: Manufactures autonomous robots and communication devices for physical security.
7+ YOE7+ years building low-latency real-time A/V systems with WebRTC and GStreamer; strong C/C++ and Python skills; experience with SIP/VoIP, media servers, codecs, and AWS media services.
WebRTC, GStreamer, pjsip, Asterisk, AWS Polly, S3, Kinesis Video Streams, Janus, mediasoup, C/C++, Python, H.264, H.265, VP9, AAC, Opus, RTSP, RTMP, HLS, RTP, ICE, STUN, TURN, DTLS-SRTP, RTP/RTCP, NVIDIA NVENC/NVDEC, V4L2, SIP/VoIP
1mo
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Technical Support Engineer, Axon 911
San Francisco, California, United States
$79k-$106k/yr HybridFull Time
Axon
AxonNASDAQ: AXON: Develops weapons and software for law enforcement and safety.
5+ YOE5+ years Tier-2/3 technical support in SaaS or mission-critical environments; strong networking, VoIP, monitoring, cloud platform experience; customer-facing communication and troubleshooting skills.
Datadog, Grafana, Wireshark, AWS, Azure, Google Cloud Platform
2mo
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Network Engineer
Santa Clara, California, United States
OnsiteFull Time
IT Management Corporation
IT Management Corporation: Provides cloud communications and IT infrastructure for public sectors.
3+ YOEExperience supporting enterprise networks; strong routing/switching, Wi-Fi, and firewall familiarity; on-site in Santa Clara, CA; solid documentation and communication.
Cisco, Ruckus, Fortinet, Palo Alto Networks, UCaaS, VoIP, Networking
2mo
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Network Engineer
San Ramon or United States
$83k-$231k/yr HybridFull Time
Five9
Five9NASDAQ: FIVN: Provides cloud-based software for enterprise contact center operations.
3+ YOE3+ years experience in medium-to-large IP networks with routing, switching, MPLS, OSPF, BGP, VPNs, Cisco platforms (IOS-XE required), data center networking, and strong analytical and communication skills.
MPLS, OSPF, BGP, IPSEC, Cisco IOS-XE, Cisco IOS-XR, Nexus OS, Cisco Nexus 7k, ASR 1000, ASR 9000, SSL-VPN, VoIP, RTP, SIP, SBC, SIEM, Linux, Cisco ACI, AWS, GCP
2mo
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Member of Technical Staff, DevSecOps
San Francisco or Europe or Australia
$180k-$280k/yr HybridFull Time
Vapi
Vapi: Build and deploy AI-powered voice agents via flexible APIs.
5+ YOE5+ years engineering experience in cloud-native SaaS; strong security experience for multi-tenant cloud environments; proficiency with AWS, Kubernetes, and Postgres; ability to write/review code and implement shift-left security.
AWS, Kubernetes, Postgres, VoIP, CI/CD, Drata, SOC 2, ISO 27001, HIPAA, GRC
2mo
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IT Networking Engineer
Santa Clara or Shanghai or Xi'an or Germany or Romania or United States
OnsiteFull Time
Telenav
Telenav: Provides connected car navigation and infotainment software to automakers.
5+ YOEBachelor's degree or equivalent, 5+ years enterprise networking experience across corporate, data-center, and cloud; strong routing/switching and network security skills; AWS networking and automation (Terraform, Python, Ansible) experience.
BGP, OSPF, VLAN, VXLAN, MPLS, QoS, multicast, IPv6, TCP/IP, Cisco, Arista, Juniper, Palo Alto, Fortinet, F5, Terraform, CloudFormation, CDK, CI/CD, AWS, VPCs, Transit Gateway, Direct Connect, IPsec VPNs, Route 53, ELB/ALB/NLB, CloudFront, Global Accelerator, Kubernetes, EKS, CNI, Prometheus, Grafana, Datadog, CloudWatch, ELK, Python, Ansible, Bash, SNMP, NetFlow/sFlow, syslog, SIEM, RADIUS/TACACS+, SAML, OIDC, TLS/PKI, SSM Session Manager, Visio, Lucid, Draw.io, Zoom, Microsoft Teams, VoIP, SD-WAN
1mo
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IT Support Engineer
Concord, California, United States
$80k-$105k/yr OnsiteFull Time
Ashby Lumber
Ashby Lumber: Retailer of lumber, hardware, and building materials for construction.
2+ YOE2+ years IT support experience troubleshooting Windows, desktop apps, networking, mobile devices (iOS/Android) and supporting users; working knowledge of Windows 11 and Linux, Google Workspace, MDM, Active Directory basics; ability to lift 50 lbs and work onsite in Concord, CA.
Windows 11, Linux, Microsoft Office, Chrome, Google Workspace, MDM, iOS, Android, VOIP, Microsoft Active Directory, Microsoft Group Policy, Epicor Eagle Point of Sale, Proxmox, Proxmox Backup Server, Mikrotik, Ubiquiti, Tailscale, Zerotier
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Software Engineer Graduate (Media Engine) - 2027 Start
San Jose or Los Angeles or Singapore or New York City or London or Dublin or Paris or Berlin or Dubai or Jakarta or Seoul or Tokyo
$128k-$317k/yr OnsiteFull Time
TikTok
TikTok: Global short-form video hosting and social media platform.
Master's degree in computer science, mathematics, or related field; strong computer science, networking, operating systems, multimedia, and programming skills; teamwork and communication abilities.
C, C++, Java, Kotlin, Objective-C, Swift, Python, Golang, FFmpeg, GStreamer, OBS Studio, VLC, x264, x265, WebRTC, RTP/RTCP, VoIP, Core Data, Core Animation, Android SDK, Nginx RTMP module, Licode, Kurento, mediasoup, Jitsi
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Software Engineer Intern (Media Engine) - 2027 Summer
San Jose or Los Angeles or Singapore or New York City or London or Dublin or Paris or Berlin or Dubai or Jakarta or Seoul or Tokyo
OnsiteInternship
TikTok
TikTok: Global short-form video hosting and social media platform.
Pursuing a bachelor's or master's in computer science, mathematics, or a related technical field; strong computer science, networking, operating systems, multimedia, programming, communication, and teamwork skills.
C++, C, Java, Kotlin, Objective-C, Swift, Python, Golang, FFmpeg, GStreamer, OBS Studio, VLC, x264, x265, WebRTC, RTP/RTCP, VoIP, Core Data, Core Animation, Android SDK, Nginx RTMP module, Licode, Kurento, mediasoup, Jitsi, iOS, Android, Windows, Mac, Linux
1mo
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Telephony Analyst - CCaaS (Contact Center as a Service)
Newark, California, United States
$56-$74/hr OnsiteFull Time
Stanford Health Care
Stanford Health Care: Provides comprehensive medical care, specialized treatments, and clinical research.
3+ YOE3+ years IT experience in contact center/CCaaS platforms, strong telephony and routing knowledge, UNIX/WinBatch scripting, AIX and Windows Server experience, bachelor\u0002s degree in CS/IS/engineering required.
CCaaS, Cloud VoIP, PSTN, Softphones, API, AIX, Windows Server 2003, Windows Server 2008, UNIX shell scripting, WinBatch, Microsoft Office
2mo
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Senior Professional Services Engagement Analyst
United States or San Ramon
$100k-$160k/yr HybridFull Time
Five9
Five9NASDAQ: FIVN: Provides cloud-based software for enterprise contact center operations.
5+ YOE5+ years contact center experience (2+ years VCC/PS/TAM/Sales Engineering on Five9), SOW/TDD development, CRM integration experience, web services (SOAP, XML, HTTP), strong written communication, BA/BS or equivalent.
Five9, VCC, Salesforce, NetSuite, Zendesk, Zoho, Siebel, Oracle Service Cloud, Oracle Sales Cloud, Velocify, NICE Monitoring, IEX WFM, Web Services, SOAP, XML, HTTP, Regular Expressions, Genesys, Avaya, Cisco, Aspect, LiveOps, Contactual, InContact, Interactive Intelligence, CosmoCom, TDM, VoIP, WFO