Certification Specialist

Teltonika; Irving (TX); On-site; USD 75,000 - 110,000; Full time

Job summary

Teltonika USA in Irving, Texas seeks a Cellular Carrier Approval Specialist to support certification and integration of cellular networking products. You will work with North American carriers, R&D teams, and certification partners to advance approval, validation, and deployment across carrier networks.

You will collaborate with the Networking Solutions Product Compliance team to ensure successful certification and deployment of industrial routers, gateways, and IoT connectivity devices in North

Qualifications

• Experience with networking devices and cellular technologies desirable.
• Familiarity with carrier approval processes and certification labs helpful.
• Ability to document complex technical topics clearly.

Responsibilities

• Manage certification activities with North American carriers (AT&T, Verizon, T-Mobile).
• Perform carrier self-tests, validation, and interoperability testing for cellular devices.
• Troubleshoot LTE/5G connectivity issues including roaming, APN, and network registration.
• Analyze modem/system logs and network traces to identify issues.
• Coordinate issue resolution with software engineering, R&D, and compliance teams.
• Prepare certification documents, technical reports, and applications.
• Serve as liaison between Teltonika USA, operators, external labs, and Lithuania HQ.

Skills

Networking fundamentals

Technical communication

Troubleshooting

Linux/OpenWRT

Carrier approval processes

Documentation

Wireshark

AT commands

Education

Technical or engineering education

Tools

OpenWRT

Wireshark

AT commands

Job description

We are looking for aCellular Carrier Approval Specialistto join our team in Irving, Texas (USA). In this role, you will work closely with North American cellular carriers, internalR&Dteams, 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.
• 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.
• Analyze modem logs, system logs, network traces, and other diagnostic information to identify and resolve technical issues.
• Coordinate technical issue resolution with Teltonika's Networking Solutions software engineering,R&D, and product compliance teams.
• Communicate directly 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 between Teltonika USA, mobile network operators, external certification partners, and Headquarters in Lithuania.
  

What we expect from you:

• Technical or engineering education or background.
• Understanding of telecommunication systems, networking technologies and protocols (TCP/IP, DHCP, DNS, VLANs, VPNs, routing, firewall principles), and basic internet technologies (WWW, FTP, etc.).
• 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 and ability to use AT commands.
• Previous experience with carrier approval processes, or certification laboratories is considered a significant advantage.
• 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.