Senior Security Engineer

Overview

Join Telstra's Endpoint & Identity Security team as a Senior Security Engineer - Digital Certificates (PKI), where you'll play a pivotal role in shaping security controls within solution designs and delivering a secure, resilient network experience for our customers.

What You'll Do

• Lead implementation and support of enterprise-wide certificate management platforms.
• Embed security controls and crypto governance into infrastructure and network designs.
• Work with and support identity-related systems such as AD CS, AppViewX, EJBCA, and Thales HSM to deliver secure and scalable PKI services.
• Develop security standards, remediation strategies, and risk assessments aligned with compliance frameworks.
• Build automation and scripting solutions to streamline certificate lifecycle management.
• Mentor and collaborate with engineers to uplift PKI and certificate practices across the organisation.
• Participate in the on-call support roster for critical incidents, ensuring timely response and coverage during escalations and high-priority events.

What You Bring

• Strong experience with PKI and digital certificate management
• Knowledge in PKI & Identity-related systems such as Active Directory Certificate Services (ADCS), AppViewX, EJBCA, Thales HSM.
• Strong technical background across Windows, Linux, Active Directory, VMware, Kubernetes, F5, firewall and load balancers and networking environments.
• Understanding of certificate-based authentication and TLS/SSL best practices.
• Hands-on exposure to scripting and automation using Bash, PowerShell, Python, or similar languages.
• Knowledge of cloud platforms (AWS, Azure) and container technologies like Kubernetes.
• Ability to lead or contribute to risk assessments, compliance reviews, and policy development.
• Strong stakeholder engagement and communication skills.
• Ability to undergo and provide a valid standard police check.

Bonus Experience

• Exposure to DevOps/CI-CD environments and integrating certificate automation into pipelines.
• Familiarity with crypto agility strategies and emerging standards.
• Experience with Thales HSM and hardware-based key protection solutions.
• Understanding of network principles such as LTMs, GTMs.

Why Telstra?

• Flexible work - hybrid and remote options to support work-life integration.
• 16 weeks paid parental leave - for both primary and secondary carers.
• Free Telstra mobile plan - stay connected on us.
• Laptop/device allowance - renewed every 2 years.
• Purchased annual leave - more time when you need it.
• Professional development programs - grow your career with us.
• Discounts - on Telstra products and services.

If you're passionate about digital trust, certificate automation, and cyber resilience, apply today and help shape a secure, connected future at Telstra.

We're committed to building a diverse and inclusive workforce in all its forms. We encourage applications from people of all backgrounds, including those from diverse gender, cultural and linguistic communities, and individuals living with a disability.

To learn more about how we support our people, including accessibility adjustments during the recruitment process, visit: tel.st/thrive

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Information Technology

Industries

Information Services