Security Engineering Senior Engineer - Digital Certificates

Employment Type

Permanent

Closing Date

7 June 2026 11:59pm

Job Title

Security Engineering Senior Engineer - Digital Certificates

Job Summary

Job Description

Reporting to the Identity Security Chapter Lead, this individual contributor role focuses on driving crypto agility, streamlining security processes, and driving automation across Telstra’s Public Key Infrastructure (PKI) and broader environments. You will collaborate with teams across the business to ensure secure and scalable identity and certificate solutions are embedded in network and infrastructure designs.

This role is ideal for someone with deep expertise in digital certificate technologies and, Identity Management systems such as ADCS, EJBCA, Venafi, AppViewX, and Thales HSMs. You will lead risk assessments, shape policies and standards, provide technical support in complex certificate-related issues, possess strong engineering skills, and have a strong passion for improving enterprise-wide secure by design capabilities.

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

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.

Must be able to undergo and provide a valid standard police check.

Essential

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 this opportunity sounds like a perfect fit for you, we'd encourage you to apply!

Diversity is more than a policy – it’s how we thrive

We know diverse teams deliver better outcomes, and we’re committed to creating an environment where everyone feels safe, respected, and supported — regardless of gender, background, or ability.

We strongly encourage women and gender-diverse people to apply and are happy to discuss flexible working arrangements or adjustments to the recruitment process.

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 +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.