Telephony Engineer

Junior System Administrator (VoIP/Telephony) / Telephony Engineer (Telecommunications)

No. of Positions - 1

We are looking for a Junior System Administrator (VoIP) / Telephony Engineer (Telecommunications) to join our Telebu's Communications engineering Team. The Telebuin will develop, implement and support IP Telephony related technologies including and not limited to IP Telephony, IVR platforms, Conferencing solutions, Voice engineering integration, Voice over IP (VoIP), Session Border Controllers (SBC), Session Initiation Protocol (SIP), WebRTC, and Public Switched Telephone Network (PSTN) gateways.

Responsibilities:

• Install & maintain Freeswtich and other SIP servers.
• Administration of SIP and Media Servers, Network/Protocol level debugging and testing, Contact center solutions, Troubleshoots and resolves complex problems.
• Provide IP Telephony and VoIP Subject Matter Expertise for Company and Company's managed service providers, manages 3rd party telecom carriers and providers.

Requirements:

• 3 years of hands-on industry experience in telecommunications
• Strong conceptualize knowledge and experience with telephony protocols like SIP, SDP, RTP, SRTP and audio/video codecs.
• In-depth working experience with Kamailio, Freeswitch, Any of the SIP stack (Sofia, reSIProcate, PJSIP, etc.), and Linux
• Experience in using the VoIP testing tools like Wireshark, VoIPMonitor, SIPp, SIPCapture, Homer etc.
• Strong understanding of implementing various network setups (Private VPNs, multi-zone secure connectivity etc)

Nice to have:

• Experience with virtualization/container related technologies (Xen, VMware vSphere / ESXi, Docker, Kubernetes)
• Hands on writing production quality code using any of the scripting languages like Python, Go, Erlang etc.
• Working knowledge in any NoSQL databases like MongoDB, Redis, Cassandra etc.
• Passionate about knowing everything about VoIP Protocol standards & related RFCs

As a Software Engineer III – Unreal Engine, you’ll be a core technical contributor and leader on a team building high-end AAA PC/Console experiences. You’ll take ownership of critical game systems, mentor other engineers, and help define technical direction. Working alongside art, design, and production, your experience and engineering insight will shape the gameplay, tools, and systems that bring our ambitious projects to life.

What You’ll Do

• Architect, implement, and optimize complex systems in Unreal Engine 5 using C++
• Lead development of gameplay, systems, and core tech features
• Collaborate with designers, artists, and producers to ensure technical feasibility and creative alignment
• Mentor junior engineers and uphold best engineering practices
• Drive performance improvements across PC and console builds
• Participate in planning, tech reviews, and cross-functional coordination

What We’re Looking For

• 7+ years of experience in Unreal Engine-based game development
• Deep expertise in C++ and Unreal Engine internals (e.g., Gameplay Framework, Replication, UObjects, GAS, )
• Experience with multiplayer, AI, Bots, Physics and rendering systems
• Shipped multiple PC/Console titles with significant system ownership
• Excellent debugging, profiling, and performance-tuning skills
• Strong software architecture skills and understanding of real-time game systems
• Proven leadership and mentoring abilities

Nice to Have

• Familiarity with Unreal Editor tooling, plugins, and build systems
• Knowledge of Agile production pipelines
• Contributions to tool development or tech pipelines
• Understanding of AI-Tools and ability to adapt them in workflows to improve productivity

Job Category: Engineering

Job Type: Full Time

Job Location: Hyderabad

We are looking networking professionals with the following skill set,

Experience :6+ years of experience in the networking domain

Key skills:

• Must have 6+ years of experience in C/C++ programming language.
• Knowledge of Go programming language and Python programming language is a big plus.
• Strong background in L4-L7 Internet Protocols TCP, HTTP, HTTP2, GRPC and HTTPS/SSL/TLS.
• Background in Internet security related products such as Web Application Firewalls, API Security Gateways, Reverse Proxies and Forward Proxies
• Proven knowledge of Linux kernel internals (process scheduler, memory management, etc.)
• Experience with eBPF is a plus.
• Hands-on experience in cloud architectures (SaaS, PaaS, IaaS, distributed systems) with continuous delivery
• Familiar with containerization solutions like Docker/Kubernetes etc.
• Familiar with server less technologies such as AWS Lambda.
• Exposure to machine learning technologies and distributed systems is a plus

• At least 3 years of C++ programming experience in a Linux environment.
• Strong understanding of computer systems e.g. operating systems, networks, performance optimization, etc
• Experience in Object-Oriented design and multi threaded programming
• Experience in creating/supporting cross-platform multi threaded applications
• Strong analytical and problem solving skills
• Ideally some experience in developing low latency systems
• Experience with trading or execution systems preferred
• Bachelor's degree in Computer Science or Computer Engineering or related field
• Reliable and predictable availability
• 
  
  Ideally in Mumbai Metro Area but open to anywhere for the right candidate.

Must have Skilled and Should Currently have Hand-on experience:

• Programming Language:          C, C++
• Operating System:                   Linux
• Debugging Tools:                     Valgrind / GDB - required
• Version Control:                       (Stash- nice to have) & (Git – Required)
• Build and Deployment:             Bamboo – nice to have
• Operating System:                     Linux
• Experience:                               5 to 8 years (Min. 4 years)

• Would be working on Development and Production Support of Email Mx Product which uses email protocols  (POP, IMAP, and SMTP) developed on C, C++ technology on Linux Platform.
• Technologies they get to learn: C, C++, GDB, Valgrind, python (python to a certain extent).
• Protocols they get to learn:   POP, IMAP, and SMTP and also any and every communication happening in Email Platform
• Source Control:                 Git, Stash
• Build and Deployment:           Bamboo
• Operating System:               Linux

• Debugging a Multicomponent – Multi-Threaded – Multi-Server Environment of a Live Product Deployed to Tier – 1 Customer.
• Opportunity for Improving CPU of exiting product.
• Opportunity for Memory optimization along with some good

• Sound knowledge in controller design and analysis.
• Good understanding in optimisation based control algorithms.
• Experience with implementing PID controller for various unstable system.
• Experience with vehicle modelling and analysis.
• Good understanding of implementation/debugging/testing model and control algorithms.
• Candidate should have experience in programming concepts like OOPS in C++ and Python with robust and efficient coding.
• Experience in Matlab/Simulink, Stateflow.
• Good understanding in code generation, implementation and testing for real time intergration embedded system.

• Algorithm development for different control features.
• Testing of algorithm architecture along with tuning and validation.
• Working with simulation team to integrate and test models and algorithms into simulation environment for rapid development and validation.
• Tuning and validation of plant models to emulate real physical systems’ behaviour
• Co-ordination with other departments to maintain consistency and compatibility in department stack.

• ROS and ROS2 experience
• Vehicle dynamics modelling and simulation.
• Experience with version control using Git.

• Health Insurance
• Employee Stock Options
• Work from Home
• Flexible work hours
• Monthly Team outings and events
• Budget for up-skilling
• Flexible vacation

Solinas Integrity (www.solinas.in) is a leading water & sanitation robotics start-up founded by IIT Madras Alumni & professors to develop cutting edge solutions to solve the problems in water pipelines and sewer lines\septic tanks, thereby improving the lives of millions of people. Our core values start with trust, and respect for everyone and along with strong collaboration and communication. We believe in giving agency to our teammates and strongly pushing them towards developing a growth mindset.

Duties and Responsibilities:

• To develop and improve signal processing algorithms for analysis of acoustic signals with up-to-date knowledge on processing methods.
• Understand key acoustic algorithm functions, develop efficient code, verify performance and functionality.
• Exposure to all phases of software development life cycle (concept, design, implementation, test, and production).
• Propose innovations to improve performance, quality, etc.
• Work with peers to develop excellent, structured code, well-optimized and easily maintainable.

Basic Qualifications:

● Experience programming in either Python, C++, or MATLAB

● MS/PhD degree in Electrical/Electronics Engineering/ Signal processing

● At least 1 year of signal processing or related area

● Good analytical and problem-solving skills

● Good knowledge of signal processing techniques, basic knowledge of ML algorithms and good visualisation skills.

• Product and Application Development in C.
• Develop and debug Applications and Firmware in/for Embedded Linux Environment
• Design and development of real-time, multi-processor / multi-controller systems.
• Module-level design with proper software design practices

Required Qualifications:

• 4+ years of C development AND Linux experience
• Linux user space and kernel space programming experience
• Linux system programming
• Work experience with 8 / 32-bit microcontroller programming
• Experience with CAN, MODBUS, and high power systems software development.
• Source revision control (git, svn)
• Degree in Computer Science from a reputed institution
• Linux command line and development tools (e.g. shell script, Make, CMake, GDB, and GNU development tools)

Preferred Qualifications:

• Exposure to a full product development cycle.
• Programming experience in an object-oriented language (C++)
• Programming experience in a high-level language (e.g. Python)
• Knowledge of common Linux system calls, kernel interfaces, Linux device drivers, and configuration.
• Exposure to multi-processor product architecture.
• Experience in open source components and libraries (e.g. libxml, glib, qt, dbus, OpenSSL, curl, etc)
• Experience with Level2 AC EV chargers and/or DC fast chargers.
• Experience OR Knowledge with standards ISO 15118-2
•  Add "8 bit / 16 bit / 32 bit microcontroller experience, specially ARM"