Telecom Engineer II

About IZT Cloud Revolutionizing Business Communications Through Cloud Innovation IZT Cloud stands as a leader in cloud-based communication solutions, delivering enterprise-grade voice and collaboration services to organizations across the continental United States. Through our advanced Cloud Voice platform, we empower businesses to modernize their communication infrastructure, providing unified voice, messaging, and conferencing capabilities that enhance connectivity and drive operational efficiency. Life is short. Your relationship with IT doesn't have to be. IZT Cloud delivers Cloud Voice UCaaS, SIP trunking, and messaging services with full STIR/SHAKEN, E911, and 10DLC compliance. As Yeastar's premier US technology partner, we run a modern, multi-tenant voice platform and we're growing fast. Job Overview As a Level 2 Telecom Engineer in IZT Cloud, our telecommunications division, you will own the day-to-day engineering of our Cloud Voice platform. You will configure and troubleshoot SIP, maintain our SBC infrastructure, run number porting end to end, and serve as the technical escalation point between support and our development team. You will be responsible for maintaining accurate documentation, strong communication, and excellent troubleshooting skills while keeping our multi-tenant voice platform running smoothly for businesses across the continental United States. This role takes over core platform duties currently handled by another team member. Responsibilities Contributing to a workplace culture consistent with IZT's mission, vision, and values Displaying strong interpersonal and communication skills leading to client satisfaction Configure and troubleshoot SIP trunks, endpoints, and carrier interconnects (registration, SDP/codec negotiation, NAT traversal, one-way audio, call quality) Maintain and monitor our SBC and voice infrastructure Manage LNP end to end: port-ins, port-outs, CSR/LOA validation, rejections, and carrier coordination with NPAC/SPID awareness Administer the Cloud Voice PBX platform: tenant provisioning, routing, features, and firmware Handle 10DLC campaign registration and messaging compliance (TCR, brand/campaign vetting, carrier surcharges) Serve as Tier 2 escalation: reproduce issues, capture SIP traces/PCAPs, and write clear, actionable escalations for the development team Support compliance operations: STIR/SHAKEN attestation, E911 provisioning, CNAM, and DNO list management Maintain accurate documentation of all engineering and support activities Providing on-call support as part of a scheduled rotation with other team members Required Qualifications Self-motivated, able to make independent choices, free from immediate direction or supervision 3+ years in VoIP/telecom engineering or Tier 2 voice support Strong SIP fundamentals: you can read a packet capture (Wireshark/sngrep) and pinpoint the failure Hands-on SBC experience and Linux comfort Working knowledge of LNP/porting workflows and carrier processes Familiarity with 10DLC/A2P messaging registration Strong written and verbal communication skills; your escalations make developers' jobs easier Preferred Qualifications We are willing to provide additional training for the technologies or services below, but you will need to have a solid understanding of the basics. FreeSWITCH, Kamailio, or OpenSIPS experience Yeastar P-Series (or similar multi-tenant PBX) administration STIR/SHAKEN, E911, or telecom regulatory exposure Scripting (Bash/Python) or API experience Ability to troubleshoot and resolve technical issues in a timely and efficient manner Time management skills to fully utilize your time Ability to work independently and as part of a team Travel Minimal travel for meetings and events. Primarily office/hybrid work Education High School Diploma Higher Education Preferred Why should you join the IZT Team? Flexible PTO Flexible Hours Performance Bonus Career Development and Training Health and Wellness / Gym Reimbursement Comprehensive Health, Vision, Dental, and Life Insurance Don't meet every single requirement? Studies have shown that women and people of color are less likely to apply to jobs unless they meet every single qualification. At InZernet Technologies (IZT) we are dedicated to building a diverse, inclusive and authentic workplace, so if you're excited about this role but your past experience doesn't align perfectly with every qualification in the job description, we encourage you to apply anyways. You may be just the right candidate for this or other roles. Job Type: Full-time Pay: $42,000.00 - $60,000.00 per year Benefits 401(k) Dental insurance Employee assistance programFlexible schedule Health insurance Life insurance Paid time off Professional development assistance Vision insurance Schedule Monday to Friday On call Weekends as needed Supplemental Pay Bonus opportunities Ability to commute/relocate Southfield, MI 48033: Reliably commute or planning to relocate before starting work (Required) Experience VoIP/Telecom engineering: 3 years (Preferred) SIP troubleshooting (Wireshark/sngrep): 2 years (Preferred) SBC administration: 2 years (Preferred) Language English Willingness to travel Minimal (Preferred) Work Location Hybrid In Office in Southfield, MI 48033 #J-18808-Ljbffr IZT CLOUD