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Location: Ahmedabad, GJ, India
Department: Information Technology
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.
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 Information
All your information will be kept confidential according to EEO guidelines.
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
From live job posts on CoreHRx, updated 2 Nov 2026. Skill figures count posts that list their skills; salary figures only posts that show a salary.
The post does not state the pay. As an estimate, comparable posts on CoreHRx advertise ₹11L – ₹24L a year (typical for IT Jobs in India, 907 posts).
The post asks for 6–8 Yrs experience.
In Ahmedabad.
It is a full time job.
You apply on Alten Calsoft Labs' website. CoreHRx takes you there after you sign in.
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