Sr. AAA Design Engineer Architect/ Network Design Engineer-L2
Work Location: Irvine, CA
W2-Only
Background check MANDATORY
Exp: 7

Job Description:
"We are looking for a Senior AAA Design Engineer Architect who will be an integral part of 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 Haves:
Must have strong knowledge and experience in 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 have strong knowledge or experience on PCRF, PCEF, Quota manager, Mediation, Billing platform, etc.
Must 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 have strong Unix/Linux system administrator or engineering experience
Must have experience with Tomia or Digital Route, Salesforce, B/OSS systems
Must have exceptional documentation skills that can clearly articulate technical designs, issues and constraints, procedures, and network assessments
Must have strong communication skills and a positive attitude
Must have strong analytical and problem determination/resolution skills.
Must have excellent problem-solving skills and thorough knowledge of network
Must have self-motivated, Self-Reliant, Self-Starting, Go-Getter, Attitude of ownership, and A strong desire to learn
Must have works well in an engineering environment that requires communication and collaboration with fellow team members, and cross function teams
Must have extensive experience and knowledge of Authentication, Authorization, and Accounting (AAA) protocols, both RADIUS and Diameter
Must have strong knowledge or experience on PCRF, PCEF, Quota manager, Mediation, Billing platform, etc.

Nice to Have:
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 of routing protocols, such as BGP, OSPF, QoS, MPLS and MPLS VPN, etc.

Interested candidates, Can send their to