Certification Specialist

Description:

We are looking for a Cellular Carrier Approval Specialist to join our team in Irving, Texas (USA). In this role, you will work closely with North American cellular carriers, internal R&D teams, and certification partners to support the approval, validation, and integration of Teltonika Networks cellular networking products.

You will closely work with Teltonika’s Networking Solutions Product Compliance team to ensure the successful certification and deployment of industrial routers, gateways, and IoT connectivity devices across North American carrier networks.

In this role, you will:

• Manage certification and approval activities with North American mobile carriers such as AT&T, Verizon, T-Mobile, etc.
• Serve as a liaison between Teltonika USA, carrier certification teams, external laboratories, and Headquarters in Lithuania throughout certification and validation activities.
• Prepare and manage certification-related documentation, technical reports, and application materials.
• Perform carrier self-tests, validation procedures, and interoperability testing for cellular networking devices.
• Execute hands-on troubleshooting of LTE and 5G connectivity issues related to modem behavior, network registration, data sessions, roaming, APN configuration, and carrier-specific requirements.
• Coordinate technical issue resolution with Teltonika’s Networking Solutions software engineering, R&D, and product compliance teams.

What we expect from you:

• Proven hands-on experience with carrier approval processes or certification laboratories.
• Technical or engineering education or background.
• Strong technical communication skills, including the ability to explain complex topics clearly and produce well-structured documentation.
• Strong troubleshooting and problem-solving skills.
• Ability to use AT commands.
• Knowledge of cellular technologies (4G/5G/5G RedCap), including network authentication methods and data session establishment.
• Hands-on experience with cellular routers, gateways, modems, or IoT devices; familiarity with diagnostic tools such as Wireshark, iperf, or modem utilities is considered an advantage.
• Understanding of IP networking fundamentals (TCP/IP, DNS, DHCP, routing) as applied to cellular data connectivity.

What we consider an advantage:

• Familiarity with PTCRB, GCF, and FCC/ISED certification requirements.
• Experience analyzing modem logs, system logs, and network traces using tools such as Wireshark, iperf, or modem utilities.