Company DescriptionALTEN Calsoft Labs is an Enterprise IT and product engineering service provider founded in 1992, Calsoft Labs was acquired by the French Based Multinational Engineering service provider ALTEN , in 2011 with offices in United States, Europe, Singapore and India . The company primarily focuses on Healthcare, Education, Retail and Networking & Telecom industries.www.altencalsoftlabs.comJob DescriptionHiring of Principal EngineerExperience range: 6 to 8 yearsMust:Understanding of Ethernet Standards: IEEE 802.3 (10/100/1000BASE-T, 2.5G/5G/10GBASE-T, NBASE-T, Fiber Optics).Ethernet PHY ICs: Internal blocks (PCS, PMA, PMD), Auto-negotiation, Link Training, FEC, Loopbacks.Media Independent Interfaces (MIIs): MII, RMII, GMII, RGMII, SGMII, XAUI, QSGMII, KR/SR/LR.Layer 2 Switching Concepts: MAC address learning, VLANs (802.1Q), Spanning Tree Protocols (STP, RSTP, MSTP), Link Aggregation (LAG/LACP), IGMP Snooping.Debugging Skills: Hardware and software troubleshooting.Good to Have:Ethernet Switch Architectures & Features: QoS, traffic shaping, port mirroring, PTP/NTP.Linux Kernel Development: Device drivers, network stack.Scripting Languages: Python, Bash (for test automation and data analysis).Network Test Equipment: Traffic generators, network sniffers (e.g., Wireshark).MPU/MCU/OS: Microchip VSC, experience with IStax and WebStax, Redboot, uBoot.Additional InformationAll your information will be kept confidential according to EEO guidelines.