Senior Penetration Tester

Telstra; Melbourne; Hybrid; AUD 65,000 - 80,000; Full time

Benefits offered by this job

Flexible work options

Support for career growth

Inclusive culture

Access to cutting-edge technology

Job summary

A leading Australian telecommunications company seeks a Senior Penetration Tester in Melbourne. You will lead high-impact security assessments, mentor team members, and enhance the security posture through automation. Ideal candidates have over 7 years of experience in security testing, focusing on penetration testing and source code reviews. The role offers remote flexibility and a collaborative environment.

Qualifications

• 7+ years in security testing, including 3+ years in penetration testing.
• Strong scripting and automation skills.
• Ability to communicate technical risks clearly.

Responsibilities

• Conduct white, grey, and black box penetration tests.
• Review source code to uncover hidden vulnerabilities.
• Lead vulnerability assessments across systems.

Skills

Security testing

Penetration testing

Source code review

Automation skills

Education

Industry certifications (OSCP, OSWE, etc.)

Tools

CI/CD tools

Job description

Join to apply for the Senior Penetration Tester role at Telstra

Join to apply for the Senior Penetration Tester role at Telstra

Get AI-powered advice on this job and more exclusive features.

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 make your mark?

We're building a team as diverse as the country we protect. Don't worry if you don't tick every box if you're passionate, curious, and eager to grow, we want to hear from you.

Apply today and help secure Australia-one vulnerability at a time

We're amongst the top 2% of companies globally in the CDP Global Climate Change Index 2023, being awarded an 'A' rating. If you want to work for a company that cares about sustainability, we want to hear from you.

As part of your application with Telstra, you may receive communications from us on [phone]

When you join our team, you become part of a welcoming and inclusive community where everyone is respected, valued and celebrated. We actively seek individuals from various backgrounds, ethnicities, genders and disabilities because we know that diversity not only strengthens our team but also enriches our work. We have zero tolerance for harassment of any kind, and we prioritise creating a workplace culture where everyone is safe and can thrive.

As part of the hiring process, all identified candidates will undergo a background check, and the results will play a role in the final decision regarding your application.

We work flexibly at Telstra. Talk to us about what flexibility means to you. When you apply, you can share your pronouns and / or any reasonable adjustments needed to take part equitably during the recruitment process.

We are aware of current limitations with our website accessibility and are working towards improving this. Should you experience any issues accessing information or the application form, and require this in an alternate format, please contact our Talent Acquisition team on or via the additional contact options found at www.telstra.com.au/careers/diversity-equity-and-inclusion/disability-employment

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology

• Industries

  Software Development, Technology, Information and Internet, and Technology, Information and Media

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