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Support Engineer 4(LTE)

Company: The Judge Group
Location: Redmond
Posted on: January 12, 2022

Job Description:

Location: Redmond, WA Description: Job Title:LTE - Support EngineerLong Term contract -- Must Haves:1. System operational experience, such as application and firmware upgrade and perform pre/post check2. In depth understanding of LTE EPC and IMS network elements, such as MME, SGW/PGW, HSS, PCRF, OCS, ePDG, and I/P/S-CSCF.3. Good IP knowledge and routing protocol, such as IPv6, TCP/IP, UDP, ECMP, OSPF, VLAN, IPSec, NAT, IP forwarding, HTTP, HTTPS, SIP, RTP, RTCP, TLS, XCAP, CSSI, and ISSI- Additional Notes:1. Local candidate in Redmond WA. Person may have to go to customer site for several days in a week.2. Yes, candidate can work from home until customer sites open back up - opening is estimated towards end of this year..3. Previous experience at large carrier such as AT&T is a plus.- Education:1. Bachelors in computer science, or engineering.2. Master's degree is a plus.- Years of experience required:1. Must have minimum 5 years of experience in system test and technical customer support areas.Common Essential Duties And ResponsibilitiesIn this position, either directly or through others, the incumbent will:Job responsibilities and duties include system level feature integration and verification, inter-operability test with external elements, developing and performing test plans, troubleshooting, direct customer technical support, analyzing problems in customer's lab, and reporting/following up issues with core engineering team at Richardson, TXBackground/ExperienceTo qualify for this position, the following minimal background and skill levels are required:Must have minimum 5 years of experience in system test and technical customer support, good understanding of LTE EPC, IMS, and NFV in VMware and ONAP environment, be able to understand feature requirement/design document and create test procedure. Must be able to work with Redmond local AT&T lab team proactively. Extensive experience with IPv6, IPv4, switches, routers, SBC, and firewalls are required. MC-PTT or Push to Talk work experience is plus.Necessary Skills/AttributesThe following skills and abilities must be demonstrated at a proficient level:--- System operational experience, such as application and firmware upgrade and perform pre/post check--- Strong understanding of OpenStack, DevOps, NFV, MANO, VM ware technology--- Comprehensive system and scale testing involving various features in cloud environments.--- vSphere experience is a good plus--- Good IP knowledge and routing protocol, such as IPv6, TCP/IP, UDP, ECMP, OSPF, VLAN, IPSec, NAT, IP forwarding, HTTP, HTTPS, SIP, RTP, RTCP, TLS, XCAP, CSSI, and ISSI--- In depth understanding of LTE EPC and IMS network elements, such as MME, SGW/PGW, HSS, PCRF, OCS, ePDG, and I/P/S-CSCF.--- LTE and IMS Call Flow Diagnostics--- Core Interface, S1, S6a, S11, DNS, Gx, Gy, S5/S8, S6b, SGi, S1-U, NAS, GTP-U, GTP, DIAMETER, RADIUS, Rx, SGi and others--- Exposure to programming in Python, Java, Perl, and Unix/Linux shell scripting is plus--- Exposure to commercial test simulators and test systems such as Spirent, Aeroflex, Tektronix--- Strong knowledge of Wireshark or other IP protocol analyzer--- Exposure to Cisco router and SBC configuration are plus

Please send your resume to athomas@judge.comRegardsAlexandria Thomas Contact: This job and many more are available through The Judge Group. Find us on the web at

Keywords: The Judge Group, Redmond , Support Engineer 4(LTE), Engineering , Redmond, Washington

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