JOB DESCRIPTION

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.
In this hands-on role, you’ll lead the design, deployment, and support of digital certificate solutions across Telstra’s environments. You’ll manage the end-to-end lifecycle of certificate services — from PKI design and automation to governance and compliance. This position is ideal for an experienced cyber security engineer with deep understanding of certificate services, automation, APIs, and cryptographic best practices .
By working across Telstra’s diverse environments, you’ll help drive crypto agility, improve risk and compliance processes, and collaborate with teams to embed secure certificate solutions into enterprise designs - uplifting security posture and enhancing operational resilience.

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

• 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.