Senior AAA Design Engineer Architect

Senior AAA Design Engineer Architect

Irvine,California.

"We are looking for a Senior AAA Design Engineer Architect who will be an integral part our global communication network engineering team. The SME in the comprehensive Mobile Network Wi-Fi roaming domain, includes AAA, Diameter, Passpoint/HS2.0, EAP-SIM, EAP-AKA, EAP-TTLS, and so on. Excellent problem-solving skills and thorough knowledge of the network.

" Must to have strong knowledge and experience on Mobile Network Wifi roaming, Passpoint, EAP-SIM, EAP-AKA, 3GPP standard, TCP/IP, QOS, and all layers of OSI model.

" Must have extensive experience and knowledge of Authentication, Authorization, and Accounting (AAA) protocols, both RADIUS and Diameter

" Must to have strong knowledge or experience on PCRF, PCEF, Quota manager, Mediation, Billing platform, etc.

" Must to have deep knowledge and experience in using 3GPP interfaces, such as S5, S6a/S6d, Gr, S9, Gx, Rx, SGi, etc.

" Must have extensive knowledge of 802.11 wireless standards, technologies, methodologies, and security practices.

" Must to have strong Unix/Linux system administrator or engineering experience

" Must to have experience with Tomia or Digital Route, Salesforce, B/OSS systems

" Nice to have knowledge and working experience with access control, DPI, policy control, Netflow, IPFIX, IPDR, content filter, traffic shaping and policy enforcement solutions.

" Nice to have experience with WLAN and WAP.

" Nice to have experience with Utimaco or similar lawful interception platform experience.

" Nice to have experience with virtualized implementation (SDN/NFV) of Network/Telco nodes under NFV, OpenStack, etc.

" Nice to have knowledge of Evolved Packet Core/System call flows and interworking.

" Nice to have working knowledge on routing protocols, such as BGP, OSPF, QoS, MPLS and MPLS VPN, etc.

" Must to have exceptional documentation skills that can clearly articulate technical designs, issues and constraints, procedures, and network assessments

" Must to have strong communication skills and a positive attitude

" Must to have strong analytical and problem determination/resolution skills.

" Must to have excellent problem-solving skills and thorough knowledge of network

" Must to have self-motivated, Self-Reliant, Self-Starting, Go-Getter, Attitude of ownership, and A strong desire to learn

" Must to have works well in an engineering environment that requires communication and collaboration with fellow team members, and cross function teams