Karthick Siva in

Karthick Siva

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Senior Manager - Cyber Security Engineering at nbn® Australia
📍 Melbourne, Victoria, Australia

Karthick Siva is a Senior Manager of Cyber Security Engineering at nbn® Australia, leading teams in threat simulation and automation. He holds a Master of Science in Cyber Security and advanced certifications like the GIAC Exploit Researcher (GXPN). Colleagues describe him as dedicated, knowledgeable, and an enthusiastic, fast learner.

Outside of work, Karthick is passionate about mentoring the next generation of cybersecurity professionals, lecturing at universities and judging student showcases. He actively contributes to the open-source community by sharing his projects and tools on GitHub and writing about his research on his personal blog, focusing on creative security challenges.

He has won multiple awards in prestigious cybersecurity competitions, including a "Super Honorable Mention" in the SANS Holiday Hack Challenge.

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Experience
11 Years
Current Role
Senior Manager - Cyber Security Engineering
Job Level
Middle
Location
Melbourne, Victoria, Australia
Personality Overview

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Priorities

Topics Karthick cares about

Offensive Security
He leads nbn®'s Threat Simulation team, covering penetration testing and red teaming, and holds an advanced certification in exploit research (GXPN).
Cybersecurity Automation
A core part of his professional role involves building and optimizing automation and engineering for cybersecurity teams to counter threats effectively.
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Career

Work history

3-2024
Senior Manager - Cyber Security Engineering
nbn® Australia
6-2023 - 12-2025
Coding & Automation - Lecturer & Lab Instructor
University of Adelaide
11-2021 - 3-2024
Manager Threat Simulation
nbn® Australia
2020
Founder
BlackCastle
8-2015 - 11-2021
Few Cyber Security Hands-on Roles
nbn® Australia
In the press

Media appearances

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Education
Master of Science (MS)
Swinburne University of Technology
Social presence
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Behavioral profile

DISC profile (public)

DISC behavioral profile

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