Sr. Network Operations VoIP Engineer

Who We Are

Bandwidth, a prior “Best of EC” award winner, is a global software company that helps enterprises deliver exceptional experiences through voice, messaging, and emergency services. Reaching 65+ countries and over 90 percent of the global economy, we're the only provider offering an owned communications cloud that delivers advanced automation, AI integrations, global reach, and premium human support. Bandwidth is trusted for mission-critical communications by the Global 2000, hyperscalers, and SaaS builders!

We are seeking a Senior VoIP Engineer with a modern engineering mindset to join Bandwidth's Network Operations team. While you possess deep expertise in SIP and carrier-grade environments, you view infrastructure through the lens of Software Reliability Engineering (SRE).

At Bandwidth

Your music matters when you are part of the BAND. We celebrate differences and encourage BANDmates to be their authentic selves. #jointheband

What You Need

• Experience: 5+ years of hands-on VoIP engineering experience, with a heavy emphasis on carrier-grade SIP environments.
• SIP Mastery: Expert-level knowledge of SIP signaling (INVITE, BYE, etc.), SDP negotiation, and RTP/RTCP.
• Automation Toolkit: 3+ years of proficiency in Python, Bash, Ansible, or Github for automating provisioning and troubleshooting workflows.
• Infrastructure as Code: Experience using IaC tools to manage infrastructure at scale.
• SIP Proxies: Hands-on experience with open-source SIP proxies (e.g., Kamailio, OpenSIPS) alongside traditional SBCs (e.g., Ribbon).
• Linux/OS: Linux proficiency for VoIP application performance and system troubleshooting.
• Diagnostics: Proficiency with diagnostic tools such as Empirix, Wireshark, SIPP, sngrep, and Homer/HEP.

Bonus Points

• Carrier Expertise: Direct experience with carrier-to-carrier SIP interconnects and carrier-grade voice network design.
• Routing & Databases: Experience with Least Cost Routing and complex routing logic.
• Voice Security: Familiarity with TLS, SRTP, and regulatory compliance including STIR/SHAKEN and E911.
• Virtualized Infrastructure: Experience deploying voice services in containerized or cloud-native environments.
• Networking: Solid knowledge of IP, DNS, and routing protocols.

The Whole Person Promise

• 100% company-paid Medical, Vision, & Dental coverage for you and your family with low deductibles and low out-of-pocket expenses.
• All new hires receive four weeks of PTO.
• PTO Embargo. When you take time off (of any kind!) you’re embargoed from working. Bandmates and managers are not allowed to interrupt your PTO – not even with email.
• Additional PTO can be earned throughout the year through volunteer hours and Bandwidth challenges.
• "Mahalo moments" program grants additional time off for life’s most important moments like graduations, buying a first home, getting married, wedding anniversaries (every five years), and the birth of a grandchild.
• 90-Minute Workout Lunches and unlimited meetings with our very own nutritionist.