Certification Specialist

Teltonika • Irving, TX

5d • Onsite

About The Position

Teltonika Networks is seeking a Cellular Carrier Approval Specialist to join its team in Irving, Texas. The role works with North American cellular carriers, internal R&D teams, and certification partners to support approval, validation, and integration of Teltonika Networks cellular networking products. Working closely with the Networking Solutions Product Compliance team, the specialist helps certify and deploy industrial routers, gateways, and IoT connectivity devices across North American carrier networks.

Requirements

• Technical or engineering education or background.
• Understanding of telecommunication systems, networking technologies and protocols, including TCP/IP, DHCP, DNS, VLANs, VPNs, routing, and firewall principles, as well as basic internet technologies such as WWW and FTP.
• At least 12 months of hands-on experience with networking devices and cellular technologies (4G/5G/5G RedCap), including network authentication methods and data session establishment.
• Strong technical communication skills, including the ability to explain complex topics clearly and produce well-structured documentation.
• Strong troubleshooting and problem-solving skills.
• Experience working with embedded, Linux-based OpenWRT operating systems.
• Knowledge of and ability to use AT commands.

Nice To Haves

• Previous experience with carrier approval processes or certification laboratories.
• Hands-on experience with cellular routers, gateways, modems, or IoT devices.
• Familiarity with diagnostic tools such as Wireshark, iperf, or modem utilities.

Responsibilities

• Manage certification and approval activities with North American mobile carriers, including AT&T, Verizon, and T-Mobile.
• Perform carrier self-tests, validation procedures, and interoperability testing for cellular networking devices.
• Troubleshoot LTE and 5G connectivity issues involving modem behavior, network registration, data sessions, roaming, APN configuration, and carrier-specific requirements.
• Analyze modem logs, system logs, network traces, and other diagnostic information to identify and resolve technical issues.
• Coordinate technical issue resolution with software engineering, R&D, and product compliance teams.
• Communicate with carrier certification teams, external laboratories, and technical representatives during certification and validation activities.
• Prepare and manage certification-related documentation, technical reports, and application materials.
• Serve as a liaison among Teltonika USA, mobile network operators, external certification partners, and Headquarters in Lithuania.

What This Job Offers

• Job Type: Full-time
• Education Level: No Education Listed