Job Description

Employment Type

Permanent

Closing Date

14 Apr 2026 11:59pm

Job Title

Security Engineering Senior EngineerAs a Security Engineering – Senior Engineer, you are an expert in the Information, Engineering and Cyber Security domains, applying your extensive knowledge in security technologies, cloud and corporate networks to shape the security controls required within solution designs (both people, process and technical) and identify, communicate and help treat corresponding security risks.

Through your strong knowledge of existing and emerging technology, you are able deliver a superior security and network experience for our consumers. You do this by drawing on your deep levels of cyber security and engineering knowledge and experience to provide specialist analysis, design, development and deployment in Network and IT specific technology domains.

You play a pivotal role in shaping our technology strategy and protecting Telstra’s assets, acting as a trusted adviser to our people, teams, cyber, engineering and DevOps leaders to build our cyber capability.

Who We Are

We're an iconic Aussie brand with a global footprint. Our purpose is to build a connected future so everyone can thrive. We're 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 wellbeing and choice.

What We Offer

Performance-related pay
Access to thousands of learning programs so you can level-up
Global presence across 22 countries; opportunities to work where we do business.

Purchased annual leave scheme

Additional Telstra day off

Additional 30% off Telstra products and services

Toolkit provided (laptop + mobile phone + plan paid for)

What You’ll Do

• Define and operationalise, in collaboration with key stakeholders, appropriate security controls in network architecture and technologies to protect Telstra and customer information, systems and network assets.

• Provide input into the security strategy, standards and frameworks to ensure security controls and hygiene are built into network engineering and technology designs and processes.

• Authentically engage with the business and leverage customer feedback to initiate continuous improvements in security engineering and technology designs that are fit for purpose and meet customer requirements.

• Contribute to the development of policies, standards and procedures for multiple technologies to build security awareness within the organisation.

• Foster a culture of continuous improvement and coaching by modelling Telstra and best practice security engineering standards and actively develop less experienced engineers through coaching, mentoring and collaboration.

• Demonstrate strong communication skills in promoting security awareness and / or explain PKI concepts to non-technical stakeholders

• Plan proactively for changes, develop contingency strategies, and assess enterprise-wide impacts of security initiatives.

• Assess capability of vendor solutions and offerings to meet business requirements. You demonstrate strong written and verbal communication skills in making recommendations for vendor solutions.

• Take an active role in managing vendor performance and technology delivery to ensure that agreed technical functionality, time and cost outcomes are met.

• Document your work to ensure that business continuity, security and operational activity can seamlessly be supported and maintained by others.

• Must be available for inclusion in the support recall roster, ensuring timely response and coverage during critical incidents or escalations.

About You

• Strong knowledge of digital certificates and identity management systems such as ADCS, EJBCA, Venafi, Keyfactor, AppViewX, and Thales HSMs.

• Strong technical expertise in secure infrastructure environments, with proficiency across Windows/Linux, VMware and other hypervisors, F5, switches/routers, and Active Directory

• Proven ability to lead risk assessments and develop remediation strategies aligned with governance, risk, and compliance (GRC) frameworks

• Solid scripting and automation skills, with exposure to certificate automation APIs, Powershell, hashing algorithms, and DevOps/CI-CD pipeline

• Experience with external CAs like DigiCert and Verisign, including domain validation.

• Understanding of compliance frameworks such as ISO 27001, ISO 27009 for audit readiness and documentation

If you want to be surrounded by top talent at a company that gives back to the community, apply now!

As part of your application with Telstra, you may receive communications from us on +61 440 135 548 (for job applications in Australia) and +1 (623) 400-7726 (for job applications in the Philippines and India).

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 DisabilityandAccessibility@team.telstra.com or via the additional contact options found at www.telstra.com.au/careers/diversity-equity-and-inclusion/disability-employment