TE

Principal Engineer Layer 3 Testing (Wireline)

Tejas Networks
Bangalore6-11 LPA Posted 5 Jun 2025
FULL TIME
Snmp
Switching Protocols
Waterfall
Agile
Python

Job Description

Job description

  • Test Planning and Strategy:
  • Develop comprehensive test plans and strategies aligned with project objectives and requirements.
  • Identify testing scope, objectives, and deliverables.
  • Collaborate with network architects, engineers, and developers to define test cases and scenarios.
  • Test Environment Setup:
  • Create and maintain realistic test environments that accurately replicate production network conditions.
  • Configure routing and switching devices, servers, and other network components.
  • Ensure test environments adhere to security and compliance standards.
  • Test Case Development:
  • Develop and maintain a comprehensive suite of test cases covering various aspects of routing and switching functionality, performance, and security.
  • Design test cases to validate network protocols, features, and configurations.
  • Prioritize test cases based on risk and criticality.
  • Test Execution:
  • Execute test cases manually or using automation tools.
  • Document test results, defects, and anomalies.
  • Retest resolved defects to ensure they have been fixed correctly.
  • Defect Management:
  • Track and manage defects throughout the testing lifecycle.
  • Work with development teams to resolve defects and ensure timely fixes.
  • Prioritize defects based on severity and impact.
  • Effective RCCA with End-to-End Automation.
  • Performance Testing:
  • Conduct performance testing to assess network capacity, throughput, latency, and responsiveness under various load conditions.
  • Identify performance bottlenecks and recommend optimizations.
  • Security Testing:
  • Perform security testing to identify vulnerabilities and weaknesses in network infrastructure.
  • Conduct vulnerability assessments and penetration testing.
  • Ensure compliance with security standards and regulations.
  • Automation:
  • Develop and implement test automation frameworks to improve efficiency and reduce manual effort.
  • Create automated test scripts using tools like Python, Ansible, or Jenkins.
  • Maintain and update automation scripts as needed.
  • Technical Leadership:
  • Mentor and guide junior test engineers.
  • Stay up-to-date with emerging network technologies and testing methodologies.
  • Provide technical expertise and support to other teams within the organization.

Mandatory skills:

  • Deep understanding of routing and switching protocols: BGP, OSPF, EIGRP, STP, etc.
  • Knowledge of network hardware and software: routers, switches, firewalls, load balancers.
  • Experience with network testing methodologies: Agile, Waterfall, etc.
  • Proficiency in test automation tools: Python, Ansible, Jenkins.
  • Understanding of network performance metrics: throughput, latency, jitter, packet loss.
  • Familiarity with security testing concepts: vulnerability assessments, penetration testing.
  • Networking Test Tools, monitoring and analysis tools: Hands-on experience with network testing tools and equipment, such as packet analyzers, network simulators, and traffic generators, Wireshark, NetFlow, SNMP.

Desired skills:

  • Strong problem-solving and analytical skills: ability to identify and resolve complex network issues.
  • Excellent communication and interpersonal skills: effective collaboration with diverse teams.
  • Attention to detail and accuracy: meticulous in documenting test results and defects.
  • Leadership and mentoring abilities: guiding and developing junior test engineers.
  • Ability to work independently and as part of a team: adaptability to different work environments.
  • Continuous learning mindset: staying updated with emerging network technologies and testing methodologies
  • Certifications like CCIE (RS) and/or JNCIE (SP) would be an added advantage.

Preferred Qualifications:

  • Experience: 15+ years of experience from Telecommunication or Networking background.
  • Education: B.Tech/BE/M.Tech/ME (CSE/ECE) or any other equivalent degree.

Diversity and Inclusion Statement :

  • Tejas Networks is an equal opportunity employer. We celebrate diversity and are committed to creating all-inclusive environment for all employees.
  • We welcome applicants of all backgrounds regardless of race colour, religion, gender, sexual orientation, age or veteran status.
  • Our goal is to build a workforce that reflects the diverse communities we serve and to ensure every employee feels valued and respected.

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