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Test Principal Engineer Job Opening In Bengaluru – Now Hiring Calix


Job description

Calix provides the cloud, software platforms, systems and services required for communications service providers to simplify their businesses, excite their subscribers and grow their value.

We are seeking a seasoned Test Principal Engineer to lead the validation strategy for our DOCSIS-based broadband access systems.

This role demands deep technical expertise in DOCSIS technologies, distributed systems, and enterprise-grade software platforms.

You will collaborate with cross-functional teams to ensure the reliability, scalability, and security of our element management systems.

Key Responsibilities:

  • Lead the planning, design, and execution of test strategies for DOCSIS-based broadband access systems and element management platforms.
  • Collaborate with cross-functional engineering, product, and support teams to ensure test coverage aligns with system architecture and business goals.
  • Develop and maintain automated test frameworks for validating distributed, multi-tiered applications, including FCAPS functionalities.
  • Drive performance, scalability, and reliability testing across geographically distributed systems with high concurrency and multi-threading.
  • Ensure robust validation of REST APIs, SNMP, IPFIX, Netconf/Yang, and database interactions (Postgres, MongoDB).
  • Oversee testing of HA, clustering, and redundancy features to ensure fault tolerance and system resilience.
  • Recreate and simulate complex system issues in test environments that closely mirror customer deployments to ensure accurate troubleshooting and validation.
  • Promote a data-driven testing culture focused on continuous improvement, quality metrics, and best practices.
  • Stay current with industry trends, tools, and technologies to enhance testing efficiency and effectiveness.

Required Qualifications:

  • 15+ years of experience in testing distributed, multi-tiered enterprise applications, preferably in telecommunications or access network domains.
  • Strong understanding of DOCSIS MAC and PHY layer protocols and their interactions within broadband infrastructures.
  • Hands-on experience in Linux environments and Java-based applications, including multi-threading, exception handling, and memory management.
  • Proven expertise in validating FCAPS functionalities across scalable and geographically distributed systems.
  • Experience in testing REST APIs, SNMP, IPFIX, Netconf/Yang, and data formats like JSON and XML.
  • Familiarity with Postgres and MongoDB for database validation and performance benchmarking.
  • Knowledge of HA, clustering, and redundancy testing strategies.
  • Exposure to SDN controllers (e.g., ONOS) and containerization frameworks like Docker.
  • Proficiency with CI/CD tools and version control systems such as Git, Gerrit, Jenkins, and Jira.
  • Strong analytical and troubleshooting skills, with the ability to recreate complex system issues in test environments that mirror customer deployments.
  • Excellent communication skills and a collaborative mindset to work effectively across cross-functional teams.

Required Skill Profession

Computer Occupations


  • Job Details

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Unlock Your Test Principal Potential: Insight & Career Growth Guide


Real-time Test Principal Jobs Trends (Graphical Representation)

Explore profound insights with Expertini's real-time, in-depth analysis, showcased through the graph here. Uncover the dynamic job market trends for Test Principal in Bengaluru, India, highlighting market share and opportunities for professionals in Test Principal roles.

49400 Jobs in India
49400
5460 Jobs in Bengaluru
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Are You Looking for Test Principal Engineer Job?

Great news! is currently hiring and seeking a Test Principal Engineer to join their team. Feel free to download the job details.

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The Work Culture

An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at Calix adheres to the cultural norms as outlined by Expertini.

The fundamental ethical values are:

1. Independence

2. Loyalty

3. Impartiapty

4. Integrity

5. Accountabipty

6. Respect for human rights

7. Obeying India laws and regulations

What Is the Average Salary Range for Test Principal Engineer Positions?

The average salary range for a varies, but the pay scale is rated "Standard" in Bengaluru. Salary levels may vary depending on your industry, experience, and skills. It's essential to research and negotiate effectively. We advise reading the full job specification before proceeding with the application to understand the salary package.

What Are the Key Qualifications for Test Principal Engineer?

Key qualifications for Test Principal Engineer typically include Computer Occupations and a list of qualifications and expertise as mentioned in the job specification. The generic skills are mostly outlined by the . Be sure to check the specific job listing for detailed requirements and qualifications.

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Interview Tips for Test Principal Engineer Job Success

Calix interview tips for Test Principal Engineer

Here are some tips to help you prepare for and ace your Test Principal Engineer job interview:

Before the Interview:

Research: Learn about the Calix's mission, values, products, and the specific job requirements and get further information about

Other Openings

Practice: Prepare answers to common interview questions and rehearse using the STAR method (Situation, Task, Action, Result) to showcase your skills and experiences.

Dress Professionally: Choose attire appropriate for the company culture.

Prepare Questions: Show your interest by having thoughtful questions for the interviewer.

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During the Interview:

Be Punctual: Arrive on time to demonstrate professionalism and respect.

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Answer Thoughtfully: Listen carefully, take a moment to formulate clear and concise responses. Highlight relevant skills and experiences using the STAR method.

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Follow Up: Send a thank-you email to the interviewer within 24 hours.

Additional Tips:

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Turn Off Phone: Avoid distractions during the interview.

Final Thought:

To prepare for your Test Principal Engineer interview at Calix, research the company, understand the job requirements, and practice common interview questions.

Highlight your leadership skills, achievements, and strategic thinking abilities. Be prepared to discuss your experience with HR, including your approach to meeting targets as a team player. Additionally, review the Calix's products or services and be prepared to discuss how you can contribute to their success.

By following these tips, you can increase your chances of making a positive impression and landing the job!

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