Job Title: Telecom Engineer
Coordinate system software installation, maintenance and upgrades (including firmware) on all platforms. Coordinate all speech development, installation, testing and rollout activities. Maintain detailed documentation to include the architectural layout, inter-machine process flow, numbering plans, vectoring, database schemas, and other material related to the telecommunications infrastructure. Ability to facilitate training and develop support and training documentation. Maintain call flows, VDN, vectors, trunk groups, agent skills, logins, and enterprise numbering scheme. Monitor system activity and capacity to ensure continued performance for all systems. Skills equivalent to 6-10 years in comparable position.
Cisco expert and WIFI Core specialist Seeking a Cisco ISG expert Or an expert in layer 2 network designs. Experience with lab implementation and testing in our Herndon lab to validate the operation of the proposed high level architecture. Then design, implement, and document the aggregation and control infrastructure of the Wi-Fi environment. Implement, integrate, and test the Wi-Fi production solution end to end our back-office and APs vendors.
Requirements • Minimum 5 years of Wireless network engineering, testing, network design, software, or systems test resulting in the successful delivery of quality Wi-Fi products. • Experience with 802.11 a/b/g/n, Wi-Fi certification, RF indoor propagation and antenna characterization experience is a plus. • Experience with LAN switching, Routing protocols, TCP/IP, IGMP, QoS. • Familiar with network protocol layers and how they interact and how to use network analyzers such as Sniffer, EtherPeek, EtherReal, OmniPeek. • Any exposure to ISP mobile network, in particular back-end AAA, Radius accounting. • Experience with 3G and 4G radio networks, cellular packet network would be very useful. • Experience with Python, TCL-TK, embedded Linux scripting. • Experience with Cisco ASR platform, ISG and hand on with Layer 2 experience. • Experience with end to end integration testing of architecture and design of WIFI network or basic end to end integration testing ( lab setting) • Experience with testing of calls flows ,validation and reporting • Experience with writing and executing test plans to support network validation and verification ( core network ) • Experiences with alarming testing and put together documentation for operation ( verification of major and critical MIBS) • Hand on experience of everything listed above and beyond • Be able to communicate, verbally and in written form, with team members and co-workers. • Be able to write clear procedures, bug descriptions and test reports. Qualifications • Bachelors degree (e.g. Computer Science, Electrical Engineer, etc.) • 5-6 years experience designing, deploying, configuring, supporting, troubleshooting, debugging and administering some of the following: Wireless LAN products and technologies, Wireless Access Points (LWAPP a plus), Wireless Client Associations, Wireless Controllers. • Deep knowledge of 802.11 protocol both at the physical and MAC layer. Solid working experience with 802.11a/b/g/i standards and knowledge of 802.11n • Experience with rate adaptation algorithms, datapath queuing systems, MIMO systems • Wi-Fi product development using industry leading Wi-Fi chipsets • Good understanding of OFDM and associate modulation schemes • Familiar with current wireless physical and MAC layer test tools and methodologies • Strong IP networking protocol knowledge. • Knowledge of 802.1Q Trunking, 802.1x, WPA WPA 2 • Solid understanding of TCP/IP, IGMP, and Routing (Layer 2 & 3 communication) • The following Certifications would be a plus: CWNA, CWSP, CWNE • Experience with 3G and LTE technology would be considered an asset