Software Test Engineer | Next-Gen Enterprise Routing & SD-WAN Security |9-13yrs

Duo Security

Duo Security

Quality Assurance
Posted on Dec 2, 2025

Meet the Team

In this position you will be working on our next-gen routing Platforms (Core Routing and SDWAN) that provide solutions for Enterprise/SP and Fortune 500 customers. You will be working on System test profiles that include industry standard technologies such as SD-WAN Security, MACSec, IPSEC/GRE, Post-Quantum Cryptography, ZBFW, IPS/IDS, TLS, SSL Proxy, different VPN technologies, routing protocols. Enterprise routing team is a group of high energy, hardworking on Quality, customer focused engineers who bring different perspectives and experiences to bear on the toughest engineering challenges.

Your Impact

Develop, implement and automate test cases for platforms and software for the Enterprise routing market. Good understanding in different VPN technologies, Post-Quantum Cryptography, MACSec, IPSEC/GRE, SD-WAN Security, Certificate Management, ZBFW, IPS/IDS, TLS, SSL Proxy, Layer2/Layer3 protocols, strong Python script development knowledge, good understanding of Plug n Play or Zero Touch deployments as well as good communication skills and ability to work with a multi-functional and geographically complementary team is encouraged.

Minimum Qualifications

* Requires BSEE/ MSEE/CS with 9 to 13 years of experience in a software Testing. CCNA, CCNP, or other Cisco certifications will be a plus
* Good understanding and hands on experience on IPSEC/GRE, different VPN technologies, cryptography, Certificate management is a must
* Excellent scripting experience/proficiency in Python, Rest API Automation. Automation using AI tools will be an added advantage.
* Working experience with test tools like traffic analysers (e.g., Sniffer, Ethereal), traffic generation tools (e.g., Ixia, Spirent both stateful and stateless) is must have. Knowledge of open source tools for negative testing will be helpful.
* Experience in writing test plans, designing test cases, implementing test cases, and end to end automation of scale.
* System Integration Testing, Negative tests and corner cases, Map customer scenarios to test cases, stress tests, longevity tests, Testing feature combinations

Preferred Qualifications

* Ability to handle System test profiles comprising of customer deployments with different feature combinations and scale.
* Good understanding on SD-WAN Security, Post-Quantum Cryptography,MACSec, ZBFW, IPS/IDS, TLS, SSL Proxy,Layer2/Layer3 protocols will be beneficial
* Excellent in setting up test labs and configuration
* Should have a solid understanding of SW quality and processes.

Why Cisco?

At Cisco, we’re revolutionizing how data and infrastructure connect and protect organizations in the AI era – and beyond. We’ve been innovating fearlessly for 40 years to create solutions that power how humans and technology work together across the physical and digital worlds. These solutions provide customers with unparalleled security, visibility, and insights across the entire digital footprint.

Fueled by the depth and breadth of our technology, we experiment and create meaningful solutions. Add to that our worldwide network of doers and experts, and you’ll see that the opportunities to grow and build are limitless. We work as a team, collaborating with empathy to make really big things happen on a global scale. Because our solutions are everywhere, our impact is everywhere.

We are Cisco, and our power starts with you.