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

ACL Digital is a design-led Digital Experience, Product Innovation, Solutions, and Consulting offerings leader. From strategy, to design, implementation, and management we help accelerate innovation and transform businesses. Keeping customer journeys and design at the core, it is committed to enable large Enterprises, SMBs and start-ups to transform. A pioneer in delivering Business Innovation, Integration and Transformation through disruptive technologies, ACL Digital brings in competitive advantage, innovation, and fresh perspectives to business challenges. With a multi-cultural and transnational talent and as part of the ALTEN Group comprising over 50000+ employees spread across more than 30 countries, it promotes a collaborative knowledge-building environment.