Are you a 2024 or 2025 graduate passionate about protecting digital infrastructure and hunting for threats? Graduate Trainee jobs at Calix offer a unique entry point into the dynamic world of cyber security. This full-time Graduate Trainee role in Bangalore places you at the heart of a security engineering team, where you will support the development of network intrusion detection capabilities and research emerging threats. With a flexible hybrid work model, this position is perfect for recent graduates with a strong understanding of networking, cyber threat intelligence, and programming skills in Python.
If you have a degree in Computer Science or Cyber Security and want to see your work directly impact the safety of broadband networks for communities worldwide, this is your chance to build a meaningful career. Let’s explore what it means to be a Graduate Trainee at Calix.

Why a Graduate Trainee Role at Calix is a Strategic Career Move
Calix is a leading provider of cloud and software platforms for communications service providers, playing a crucial role in connecting communities. In this hybrid role based in Bangalore, you will be part of a generational change in the broadband industry. You’ll collaborate with security experts to simplify businesses and protect subscribers from evolving cyber threats. The hands-on experience with threat detection, packet analysis, and security automation will provide you with a specialized skill set that is in high demand across the globe.
Your Role: A Frontline Defender in Cyber Security
As a Graduate Trainee, you will be integrated into the security workflow, contributing to real-world threat detection and intelligence.
Your key responsibilities will include:
- Collaborating with threat researchers to analyze network-based attacks and generate detection logic for IPS/NIDS systems.
- Performing packet-level analysis using PCAPs and tools like Wireshark or Zeek.
- Assisting in developing and testing detection signatures to enhance the platform’s security posture.
- Participating in the development of internal tools in Python to automate research workflows and improve efficiency.
- Conducting open-source intelligence (OSINT) gathering on emerging threats and indicators of compromise (IoCs).
- Supporting the creation of technical documentation, threat reports, and security playbooks.
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The Skills and Knowledge You’ll Need
This role is designed for graduates with a solid academic foundation in key areas.
Qualifications:
- Graduated or pursuing the final year of a Bachelor’s or Master’s degree (2024/2025) in Computer Science, IT, Networking, or Cyber Security.
- Strong understanding of Computer Networking, TCP/IP, OSI Model, and Intrusion Detection Systems (IDS).
- Familiarity with Cyber Threat Intelligence, MITRE ATT&CK framework, and common malware delivery methods.
- Programming knowledge, preferably in Python; ability to write utilities and automate tasks.
- Comfortable working with both Linux and Windows operating systems.
- Strong communication skills, attention to detail, and excellent research aptitude.
Nice-to-Have Skills:
- Familiarity with tools like Wireshark, Suricata, Snort, or tcpdump.
- Experience or coursework in Network Security, Packet Analysis, or Cybersecurity.
Grow Your Career with a Supportive Hybrid Model
Calix offers a modern work environment that balances in-person collaboration with flexibility.
| What You’ll Do | What You’ll Gain |
|---|---|
| Threat Detection & Signature Development 🎯 | Practical, hands-on experience in building and testing security defenses. |
| Packet Analysis with Wireshark/Zeek 📡 | Deep, technical skills in network forensics and traffic analysis. |
| Security Automation with Python 🤖 | The ability to use programming to scale and improve security operations. |
| Open-Source Intelligence (OSINT) 🔍 | Skills in researching and tracking emerging cyber threats. |
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Location & Work Model:
- Location: Bangalore, India
- Work Model: Flexible hybrid (work from the Bangalore office for 20 days in a quarter).
A Mission to Connect Communities
You’ll be joining a company dedicated to improving life one community at a time by connecting underserved areas with unrivaled digital experiences. Your work in security will be foundational to this mission.
How to Apply for This Hybrid Role in Bangalore
Ready to help secure the future of broadband and start your career in cyber security? This Graduate Trainee position at Calix is the perfect opportunity.
Click the “Apply Now” button below to:
- Submit your application for the Graduate Trainee role.
- Demonstrate your knowledge of networking, security, and Python.
- Take the first step in a career that protects critical communication infrastructure.
Don’t just start a job. Defend the digital future. Apply for the Graduate Trainee job at Calix today!
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