Cyber Security Professional

4 days ago


Sydney, New South Wales, Australia Singtel Group Full time
About the Opportunity

We are seeking a highly skilled Cyber Security Professional to join our team as a Senior Threat and Attack Researcher. This role will play a critical part in enabling our organisation to stay ahead of emerging threats and ensure the security of our systems and data.

Key Responsibilities
  • Utilise your expertise in defensive and offensive cyber security functions to identify new and emerging threat activity, propose mitigations and countermeasures.
  • Track the tactics, techniques and procedures of our adversaries and how they evolve, using a mixture of sources.
  • Engage in threat modelling, adversarial simulation, and attack surface assessments to explore potential attack paths.
  • Ensure that intelligence products provide stakeholders with insights which are contextualised and actionable.
  • Participate in industry working groups and sharing communities to stay informed and share knowledge.
  • Bring a strong engineering mindset; create tools, automate repetitive tasks, and integrate data between disparate systems.
  • Contribute to the continued evolution of our defensive cyber security capability, including participating in planning and development of supporting business cases for further investment.
  • Instil and foster a culture of excellence, integrity, and professionalism; one that works towards the highest standards in cyber security.
What We're Looking For
  • A degree in computer science, information systems, engineering, or cyber security, or equivalent experience.
  • Proven expertise in defensive and offensive cyber security functions.
  • Skilled in multitasking, handling ambiguity, and thriving in dynamic environments.
  • A deep understanding of malware, TTPs, and cyber threat types, including state, cybercrime, hacktivism, and insider threats.
  • Proficiency in threat intelligence, detection engineering, incident management, malware analysis, and forensics.
  • Strong Python skills, with experience in creating custom tools and automation.
  • The ability to synthesise data into actionable insights that align with business goals.
  • Skilled at conveying complex ideas to diverse audiences and working across teams.
  • Experienced in mentoring and delivering practical, engineering-focused solutions.
  • Proven ability to work well under pressure and adapt to change.
Why Join Us
  • A competitive salary of $120,000 - $150,000 per annum, depending on experience.
  • 3 days in the office, 2 days remote – with flexible hours to suit.
  • Inclusive paid parental leave, up to 14 weeks for the primary care giver.
  • All employees have access to resources, webinars and support via the OptusU (University) learning catalogue.
  • Connect at work through employee-led volunteer groups: Culture Connect, Elevate Women, Disability Network, Express Yourself (LGBTQIA+), United Veterans and Yarn Network.
  • Vibrant campus life, variety of facilities including restaurants, cafes, gymnasium, GP, and post office.
  • Free Optus bus from Macquarie University Metro Station (every 6-8 minutes); morning and afternoon.

At Optus, we value diversity and individual differences. We commit to ensuring our application process provides an equal employment opportunity to all job seekers. If you require any adjustments or accessibility support to participate fairly and equitably in the recruitment process, please email AccessibleRecruitment@optus.com.au along with your preferred method of contact. For more information on Diversity, Inclusion & Belonging at Optus, please visit https://www.optus.com.au/about/inclusion-diversity.



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