Engineer (R&D / Test Engineering)

Job Overview

Tejas Networks is actively hiring for the role of Engineer. This is a specialized opportunity for B.E / B.Tech graduates with 1-3 years of experience in the Telecommunication or Networking domain to join their R&D team in Bangalore. If you have strong coding skills in Core Java and knowledge of SDH/OTN/DWDM technologies, check the details below and apply immediately.

Role: Engineer (R&D / Test Engineering) Location: Bangalore, Karnataka Experience: 1 – 3 Years (Telecom/Networking Background) Qualification: B.E / B.Tech (CSE/ECE/EEE/IS) Key Skills: Core Java, SDH/OTN/DWDM, EMS/NMS Testing, Python Job Type: Full-time Salary: Best in Industry Last Date: 31 March 2026

Job Description

For the Tejas Networks drive, the company is seeking an Engineer to ensure software features meet standards and customer solutions. The ideal candidate will have a strong background in Telecommunication technologies (SDH/OTN/DWDM) and hands-on experience in EMS/NMS UI and API Testing.

You will work closely with Network Engineering, Development, and Product Line Management teams to develop test cases and drive the execution of feature test plans. This role requires a blend of Java coding skills (specifically multithreading) and automation expertise using Python/Robot Framework.

Roles and Responsibilities

As an Engineer at Tejas Networks, your key responsibilities will include:

• Validation: Driving the execution of feature and functional test plans to validate product capabilities against standards.
• Test Development: Working closely with NE, Dev, and PLM teams to develop comprehensive test cases.
• Automation: Using open-source frameworks such as Robot, Py-Test, or Playwright for test automation.
• Customer Support: Supporting TAC and System Engineering teams for customer demos and field issues.
• Product Knowledge: Building in-depth knowledge of NMS (Network Management System) products.

Skills and Eligibility Criteria

To be eligible for Tejas Networks drive, candidates must meet the following criteria:

• Educational Background: B.Tech/BE (CSE/ECE/EEE/IS) or any other equivalent degree.
• Experience: 1 to 3 years of experience specifically from a Telecommunication or Networking background.
• Mandatory Technical Skills:
  • Strong coding skills in Core Java, especially multithreading.
  • Working knowledge of SDH/OTN/DWDM/WSON technologies.
  • Hands-on experience on FCAPS of OTN/DWDM.
  • Experience in EMS/NMS UI and API Testing.
  • Proficiency in Python and frameworks like Robot or Py-Test.
• Tools & Architecture:
  • Hands-on experience with test equipment like ANT, VIAVI.
  • Understanding of Docker/K8s/Microservices architecture.

Selection Process

The selection process for Tejas Networks typically includes:

• Resume Screening: Strict filtering based on Telecom domain experience and Java skills.
• Technical Written Test: Questions on Optical Networking (SDH/OTN), Java Multithreading, and Aptitude.
• Technical Interview 1: Deep dive into Java concepts, Networking protocols, and Test automation strategies.
• Technical Interview 2: Problem-solving on telecom network scenarios and system design for NMS.
• HR Interview: Behavioral assessment and cultural fit.