Specialized Wireless Engineer

Job Summary:
Our client is seeking a Specialized Wireless Engineer to join their team! This position is located in Greenwood Village, Colorado. 
 
Duties:

• Design and develop AAA policies and backend systems for Wi-Fi offload environments
• Build and manage high-performance databases to support authentication, session tracking, and accounting
• Implement secure SIM-based authentication using EAP-SIM and EAP-AKA protocols
• Configure and support Hotspot 2.0 (Passpoint) for seamless roaming between cellular and Wi-Fi networks
• Ensure interoperability using OpenRoaming and Wireless Broadband Alliance (WBA) standards
• Develop solutions to support high transaction volumes (high TPS) with low latency
• Manage IP address allocation systems including DHCP, DNS, and IPAM
• Implement and maintain secure communication protocols such as: IPsec, TLS/RADSEC and certificate management
• Design and support tunneling solutions such as: EoGRE and IPsec, for traffic routing
• Work with carrier-grade AAA platforms and support testing and simulation efforts

Desired Skills/Experience:

• Strong experience developing AAA (Authentication, Authorization, and Accounting) systems in carrier-grade environments
• Deep expertise with RADIUS protocol
• Hands-on experience with EAP-SIM (RFC 4186) and EAP-AKA (RFC 4187)
• Experience with Hotspot 2.0 / Passpoint and Wi-Fi roaming technologies
• Familiarity with OpenRoaming and Wireless Broadband Alliance (WBA) standards
• Strong database experience: SQL ( MySQL, including Master/Slave architectures); NoSQL databases
• Experience designing systems for high TPS and low-latency performance
• Knowledge of DHCP, DNS, and IPAM solutions
• Proficiency in security protocols including IPsec, TLS/RADSEC, and certificate management
• Experience with tunneling technologies such as EoGRE or IPsec
• Hands-on experience with AAA platforms such as Nokia AAA or FreeRADIUS
• Experience with network simulation/testing tools such as: Spirent, Ixia and Calnex

Benefits:

• Medical, Dental, & Vision Insurance Plans
• Employee-Owned Profit Sharing (ESOP)
• 401K offered

The approximate pay range for this position starting at $117,000 - $137,000. Please note that the pay range provided is a good faith estimate. Final compensation may vary based on factors including but not limited to background, knowledge, skills, and location. We comply with local wage minimums.

At KellyMitchell, our culture is world class. We’re movers and shakers! We don’t mind a bit of friendly competition, and we reward hard work with unlimited potential for growth. This is an exciting opportunity to join a company known for innovative solutions and unsurpassed customer service. We're passionate about helping companies solve their biggest IT staffing & project solutions challenges. As an employee-owned, women-led organization serving Fortune 500 companies nationwide, we deliver expert service at a moment's notice.

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