Company Description

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.

www.altencalsoftlabs.com

Job Description

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.

Positive 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 Information

All your information will be kept confidential according to EEO guidelines.

📌 Principal Engineer (India)
🏢 Alten Calsoft Labs
📍 India