Engineering Manager

• *Role description** **Job Title:** Engineering Manager

• *Location:** Ahmedabad\| **Experience:** 10\+Years

Work Mode: WFO

• *Who We Are** at **STL Digital**, we don’t just build software; we engineer digital transformations. We partner with global enterprises with a comprehensive portfolio of services, including Product Engineering, Cloud and Cybersecurity, Data and AI, and Enterprise SaaS.

We’re hiring a **hands\-on Engineering Manager** to lead and actively build the core of our voice communications stack. You will be a **player\-coach**: owning critical **VoIP/SIP/C\+\+** development while guiding developers across multiple components and languages (**PHP, JavaScript/Node.js, Java/Spring Boot, Struts, Perl**, databases, and Linux infrastructure).

This role is ideal for someone who can confidently dive into SIP traces and C\+\+ code

• *Required Qualifications**

• **10\+ years** building production systems in **VoIP / SIP** environments, with proven troubleshooting experience.
• **Strong C\+\+** development experience (modern C\+\+ preferred), including debugging and performance analysis in Linux
• Deep protocol understanding: **SIP**, **SDP**, **RTP/RTCP** (and common VoIP failure modes)
• Strong Linux and networking fundamentals (Ubuntu, system tuning, sockets, firewall/NAT behavior, TLS basics)
• Experience integrating or operating SIP/media components such as:
• + **Asterisk** (dialplan/call flows, AMI/ARI familiarity is a plus)

+ **OpenSIPS/OpenSIP** or similar SIP proxy/SBC stacks (Kamailio, FreeSWITCH, etc.)

• Demonstrated ability to lead engineers across a mixed stack (backend \+ UI) through code reviews and technical direction
• Clear communication skills—able to explain complex VoIP issues to non\-VoIP engineers and stakeholders

• *Skills**

• *About Sterlite Technologies Limited**

About STL \- STL is a leading global optical and digital solutions company providing advanced offerings to build 5G, Rural, FTTx, Enterprise and Data Centre networks. About STL Digital \- STL Digital, a wholly owned subsidiary of STL, is a global IT services and consulting company dedicated to delivering exceptional digital transformation experiences for enterprises with a comprehensive portfolio of services, including product engineering, cloud and cyber security, data and AI, and enterprise SaaS.