Security Testing - Senior Specialist

Responsibilities

• Conduct penetration testing, vulnerability assessments and source code security reviews of systems; and utilise a suite of assessment tools to expose threats, vulnerabilities, and potential attack vectors in applications
• Evaluate the extent to which systems are able to protect the organisation's data and maintain functionality as intended and make recommendations for changes and improvements
• Identify vulnerability exploitations and potential attack vectors into a system and analyse vulnerability scan results to size and assess security loopholes and threats
• Act as a technical subject matter expert in security testing and secure source code development.
• Work collaboratively with the Security Testing - Senior Lead and other team members to drive forward the Security Testing strategy, including providing direction and input into future capability, resourcing, roadmaps, and operations.
• Evaluate the extent to which systems can protect the organisation's data and maintain functionality as intended and make recommendations for changes and improvements
• Assess current security practices and controls against expected performance parameters / guidelines and identify and recommend solutions where required
• Develop security testing reports, highlighting key threats and areas for improving system security
• Key Technical Skills & Expertise
• Provide technical leadership across the domain, including performing and taking on complex assessment work across a variety of technical domains, including responding to complex and escalated incidents and assessments.
• Provide input into Telstra's Penetration Testing, Vulnerability Assessment and Secure Code processes, methodologies, and standards, including corresponding roadmaps and enhancement plans.
• Develop and provide training for both junior team members, as well as the broader Telstra community.
• Promote the concept of "shifting left" to enable the organisation to produce quality and secure code, at speed.
• Provide guidance on application security architectural considerations.
• Develop scripts to automate / expedite the identification of security vulnerabilities in code; and provide technical expertise into the development of automation across security testing tools.
• Refine and define processes (including engagement), create secure code artefacts, define criteria and security use cases.
• Work with third parties such as vendors and newly acquired Telstra companies regarding their application security and software development practices.
• Provide quality assurance reviews on the work products produced within the Secure Code team
• Able to work in environments with conflicting and lacking requirements and expectations whilst still being able to deliver high quality output that meets the requirements of Cyber Security
• Identify and effectively translate identified security vulnerabilities into business risks for communication to business stakeholders in a timely manner - harvesting and harmonising insights and context from the broader Cyber Security team as required.
• Take a pragmatic approach to security testing activities, achieving a practical balance between business objective, standards alignment, cost, time, and corresponding risk considerations.
• Able to work in environments with conflicting and lacking requirements and expectations whilst still being able to deliver high quality output that meets the requirements of Cyber Security.
• Highly Desirable
• Scripting and automation skills (e.g., Python or similar languages) to improve efficiency and streamline testing processes.
• Deve

Benefits

Additional Information

Employment Type Permanent Closing Date 18 June 2026 11:59pm Job Title Security Testing - Senior Specialist Job Summary Job Description You will act as a technical SME in security testing and secure coding, contributing to the Security Testing strategy through input into capability uplift, resourcing, and roadmaps, while promoting "shift-left" practices and supporting automation and knowledge uplift across the organisation. In addition, you will produce high-quality security reports highlighting key threats and improvement areas, and consistently uphold Telstra's HSE responsibilities by working safely and adhering to all relevant policies, standards, and procedures. Our Perks & Benefits: Work-life integration - we understand life happens when you're busy making other plans, so we offer flexibility around where, and when you work 16 weeks paid parental leave for primary and secondary carers Professional development program An epic (free) Telstra mobile phone plan Laptop/Device allowance renewed every 2 years Purchased Annual Leave scheme Discounted Telstra products and services

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