**Job Title:** Senior Security Engineer
**Overview:
As a key member of the Endpoint & Identity Security team, this role offers an exciting opportunity to play a pivotal part in shaping security controls within solution designs and delivering a secure, resilient network experience for customers.
**Responsibilities:
* Lead the implementation and support of enterprise-wide certificate management platforms.
* Embed security controls and crypto governance into infrastructure and network designs.
* Collaborate with identity-related systems such as Active Directory Certificate Services (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.
* Create 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 on-call support roster for critical incidents, ensuring timely response and coverage during escalations and high-priority events.
**Required Skills and Qualifications:
* 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.
**Benefits:
* 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.
**We Are Committed To Building A Diverse And Inclusive Workforce:** 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, visit: tel.st/thrive