Principal Engineer

Hiring of Principal Engineer Experience range: 6 to 8 years Must: 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.

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ALTEN 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.