Penetration Tester at Telstra

Melbourne, Victoria, Australia -

Full Time

Start Date

Immediate

Expiry Date

07 Jan, 26

Salary

0.0

Posted On

09 Oct, 25

Experience

10 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Security Testing, Penetration Testing, Source Code Review, Scripting, Automation, CI/CD Pipelines, Security Tool Integration, Technical Communication, Mentoring, Vulnerability Assessments, Collaboration, Secure Coding Practices

Industry

Telecommunications

Description

Employment Type Permanent Closing Date 15 Oct 2025 11:59pm Job Title Penetration Tester Job Summary Job Description Are you an Australian citizen based anywhere in Australia who wants your work to directly protect millions of Australians across families, communities, and critical services by strengthening the systems they rely on every day? Curious, creative, and security-savvy? If so, read on. We’re inviting applications from those who see a login screen and wonder what’s behind it (ethically, of course). If you thrive on solving complex problems, enjoy mentoring others, and love the idea of making systems stronger by testing their limits, this is the role for you. You'll lead high-impact security assessments, shape future capabilities, and embed automation into our testing program—all while working flexibly in a team that supports you to do your best work, your way. You’ll be joining a supportive, experienced team that values knowledge-sharing, mentoring, and celebrating each other's wins. What You’ll Be Doing Conducting white, grey, and black box penetration tests Reviewing source code to uncover hidden vulnerabilities Leading vulnerability assessments across systems and networks Driving automation and process improvements Mentoring team members and promoting secure coding practices Collaborating across teams to strengthen Telstra’s security posture What You Bring 7+ years in security testing, including 3+ years in penetration testing and source code review Strong scripting and automation skills Experience with CI/CD pipelines and security tool integration Ability to communicate technical risks clearly to diverse stakeholders Industry certifications like OSCP, OSWE, CREST, CISSP, GPEN, or GWAPT are a plus Why Telstra? Flexible work that works for you – remote-first, hybrid options, and genuine flexibility Support to grow – lead, learn, and take on new challenges with confidence Inclusive and collaborative culture – we value different perspectives, backgrounds, and ideas Purposeful work – help protect millions of Australians and build a safer digital future Tools that empower – access to cutting-edge tech, a smart team, and space to make an impact Ready to test boundaries and build resilience? We’re building a team that reflects the world we protect—diverse in background, united by purpose. Not sure you meet every requirement? That’s okay. If you’re passionate about security, curious by nature, and keen to grow, we’d love to hear from you. Apply now and help us secure the future one vulnerability at a time. We're an iconic Aussie brand with a global footprint. From our earliest days in the Postmaster General’s Office to the Australian icon we are today, the heart of Telstra has never changed. We’ve always been committed to being a great place to work as we make the world a better place too. Working at Telstra, we all have a why. Whether it’s endless career opportunities, an amazing work-life balance or being able to make a difference, we all know why we’re motivated to be our best here. Our people find purpose and pride in being part of Telstra, because we support the things that matter most. We are committed to making it easy for everyone to apply. If you require accessibility support or adjustments during the recruitment process, please send an email to Disability and Accessibility inbox. disabilityandaccessibility@team.telstra.com. In a business as big and diverse as ours, there’s a huge breadth of career paths available. Uncover opportunities, broaden your experience, and discover the many areas of our organization there is to explore. > Explore our teams https://www.telstra.com.au/careers/our-teams

Responsibilities

Conduct penetration tests and vulnerability assessments to identify and mitigate security risks. Collaborate with teams to enhance security practices and mentor junior team members.