Sr. Wireless Data Network Engineer

Company Name:
KCI Communications / Fidelis Technology Staffing
General Purpose and Scope
You are authentic, like working with people and love technology. As an experienced engineer you will be a key member of 4G-LTE deployment team with focus on implementing our data core packet switching, policy, and control. Our wireless network is complicated with 2G/3G/4G technologies running in multiple countries and your
will be to ensure that our wireless data core which carries all the traffic is as efficient and as fault tolerant as possible. Our customers like their data service to be fast and always on and it will be your responsibility to make sure that they are delighted with our service. Big part of this job is design and architecture, troubleshooting at the protocols level, and the ability to come up with creative solutions so if you like wearing your thinking cap and pushing the theoretical boundaries this job might be for you.
Duties and Responsibilities
Design, implement, and support AAA architecture on SUN platforms & HSS/PCRF architecture on LINUX platforms
Design, capacity plan, implement, and support wireless data call flows on a Cisco ASR5000 combined
platform with PDSN, FA, HA, and GGSN as well as their EMS management system
Design, capacity plan, implement, and support LTE wireless data flows on a Cisco ASR5000 combined services platform with an MME, PGW, and SGW as well as their EMS management system
Design, capacity plan, implement, and support Diameter based prepay services
Design, capacity plan, implement, and support DNS services on BlueCat DNS Servers using Bind
Design, capacity plan, implement, and support GRX and CRX connectivity to Syniverse
Design, capacity plan, implement, and support CDR delivery scripts for Nokia charging gateway
Design, capacity plan, implement, and support GPRS Filtering on Juniper SRX, L2/L3, and LAN
Educate and train other individuals in company regarding above systems and responsibilities
Analyze root cause determination of issues including recommendations for improvements
Write, review, and implement Methods of Procedure

Minimum Job Entry Requirements
Bachelor's Degree in Engineering or related field and 3 years professional work experience or 7 years professional level related Engineering/Technical related experience; or an equivalent combination of education and professional level related Engineering/Technical experience
Knowledge of wireless data systems with GSM and/or CDMA, and LTE networks gained through relevant experience, vendor training, and/or college or technical/vocational school coursework
Extensive knowledge of UNIX & LINUX environments
Strong Troubleshooting skills using multiple tools with proficiency in port mirroring, Wireshark setup, and analysis.
Demonstrated ability to combine engineering/technical expertise with business and financial acumen to achieve corporate goals
skills with emphasis on application & proficient knowledge of Microsoft Office and Outlook
Self-starter with strong analytical skills and the ability to manage multiple tasks in a fast paced environment
Ability to work on call support as needed
Desired Qualifications
Previous experience as AAA Engineer
Experience with SNMP, Cricket , or Open NMS
Experience with Radius & Diameter protocols
Experience with Mobile IP, and L2TP
Experience with GSM, CDMA, LTE, RIM, GRX, CRX, PGW, SGW, & MME

NO Sponsorships. Must be able to work in the US.

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