Security Analysis - Senior Analyst
Security Analysis - Senior Analyst
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Job Description
Employment Type
PermanentClosing Date
18 Aug 2025 11:59pmJob Title
Security Analysis - Senior AnalystJob Summary
As a Security Analysis-Senior Analyst you play a critical role in ensuring that Telstra provides an industry leading secure ecosystem for employees and customers. You draw on your deep expertise and experience in cyber security and technology use leading-edge practices to identify anticipate respond to and resolve security threats. Working in a specialised team you are a recognised subject matter expert collaborative partner and trusted advisor by our employees partners and customers. The work you do underpins Telstras competitive advantage and ability to provide a superior customer experience.Job Description
Were an iconic Aussie brand with a global footprint. Our purpose is to build a connected future so everyone can thrive. Were all about providing the best experience and delivering the best tech on the best network.
This includes making Telstra the place you want to work.
For you that means a having career that grows with you and working with a team powered by human connection that prioritises well-being and choice.
Heres what you can expect from us
Flexible working. Wherever you live choose where when and how you work so you can be at your best.
There when life happens. From Gender Affirmation Leave to Telstras Additional Leave Day we give you time to spend away from work when you need it most.
Pay for performance. We recognize outstanding contributions through our generous incentive programs.
Parental Leave. A gender-equal policy for parents so you can choose how and when you take your leave (16 weeks full pay or 32 weeks half pay). Receive superannuation contributions on paid and unpaid parental leave.
Unlimited learning. Level up your credentials with access to 17000 learning programs. Learn on the job and achieve university credits toward degrees and Masters programs.
Global presence. With a global presence across 22 countries there are many opportunities to work where we do business.
Extra perks. Receive 25% off Telstra products and services plus unlock exclusive discounts from over 240 brands and partners.
Make a Difference
Cyber security is a significant component of our strategy to protect Telstra our systems and our customers from cyber threats. We are on the lookout for several experienced data scientists or engineers to help enhance our use of data science to strengthen our cyber capabilities.
As a key member of a cross-functional cyber security team you will play a vital role in enhancing Telstras ability to identify security threats anomalies and compliance risks using data science machine learning and AI techniques to rapidly deliver secure scalable and adaptive cyber solutions.
This role is central to our vision of embedding AI-driven insights to improve security posture and compliance across the enterprise.
Key Responsibilities
This is how youll bring the purpose of your role to life.
Design and implement MLAI models to detect cyber threats outliers and policy violations in real-time.
Build and maintain AI pipelines and agents to support anomaly detection compliance scoring and validation
Collaborate closely with cybersecurity engineers threat analysts and architects to codify detection logic and enable explainable AI
Integrate AI driven security insights into monitoring tools like PatchGuard and other internal dashboards
Use Azure-native tools (Databricks Event Hubs Azure ML) to process and analyse high-volume security telemetry.
Actively support secure development lifecycle including guardrails for autonomous systems and prompt/context security.
HSE Responsibility: Take reasonable care for your own safety and the safety of others comply with and implement any reasonable Telstra HSE instruction policy standard minimum requirement or procedure and support Telstra to meet its duties under the relevant safety and environmental legislation.
Continual personal and peer learning and development in all aspects of the technology applications and new ways of working.
About you
To be successful in the role youll bring skills and experience in:
Essential Skills:
10 years in data science cybersecurity analytics or AI/ML engineering.
Strong skills in opensource MLAI tools and libraries Python PySpark scikit-learn pandas NumPy SciPy Lanchain Langfuse LangGraph MLFlow MCP Semantic Kernel.
Experience with streaming analytics and tools like Azure Event Hubs Kafka or Structured Streaming.
Bachelors degree (or higher) in Engineering/ Computer Science / Information Technology / Telecommunications
Coding/scripting knowledge and capabilities in mainstream languages and code development standards (eg Python)
Developed design documentation including UML/ER diagrams process flow diagrams for automations scripts designed with concepts such as batch micro-batch streaming parallel processing and asynchronous calls
Experience with Telstras New Ways of Working methodology practices and mindset:
Agile DevOps Lean Human Centred Design
Jira Confluence Gitlab AzDevOps
Excellent collaboration and communication skills to engage across cyber data and product teams.
Desirable Skills:
Experience working with Databricks
Experience developing big data analytics designs and automations leveraging open-source components.
Cyber Security Domain Knowledge preferred.
Designed analytics integrating machine learning models to solve non-traditional problems
Detailed substantial user interfaces with wireframes RBAC and validation schemes as well as the integration to back end triggers and processes.
Understanding of AI vulnerabilities including model inversion data leakage prompt injection or model bias.
Familiarity with SIEM platforms compliance frameworks (ISO 42001 NIST AI RMF) and model risk management.
Prior experience in telecommunications critical infrastructure sectors
If you are passionate to succeed as part of an agile and experienced team we welcome you to apply!
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We encourage applications from people of all abilities and backgrounds - including Aboriginal and Torres Strait Islander peoples the LGBQTI community linguistically diverse and people living with disability. When you apply you can choose to note the pronouns you use and /or any reasonable adjustments needed to take part equitably during the interview process. Visit
or email us at noting your preferred method of contact
Recruitment Start Date:21/07//2025
Recruitment End Date: 18/08/2025
Required Experience:
Senior IC
Employment Type
Full-Time
