Permanent
25 July 2026 11:59pm
Security Engineering Senior Engineer
Job Summary
We are seeking a highly skilled Senior Security Engineer – Automation to drive strategic delivery within our Identity Security Mission, with a strong focus on AI-enabled identity and automation capabilities.
This role will lead the transformation of identity security through API-driven automation, policy-as-code, and AI-integrated workflows, enabling secure lifecycle management of human, machine, and AI agent identities across modern enterprise systems.
You will play a critical role in building a future-ready identity security model that supports cloud, DevSecOps, and emerging agentic AI ecosystems, ensuring identity remains the control plane for security.
Focus of the Role
We are seeking a highly skilled Senior Security Engineer – Automation to drive strategic delivery within our Identity Security Mission, with a strong focus on AI-enabled identity and automation capabilities.
This role will lead the transformation of identity security through API-driven automation, policy-as-code, and AI-integrated workflows, enabling secure lifecycle management of human, machine, and AI agent identities across modern enterprise systems.
You will play a critical role in building a future-ready identity security model that supports cloud, DevSecOps, and emerging agentic AI ecosystems, ensuring identity remains the control plane for security.
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
Design and deliver end-to-end automation for identity lifecycle management (onboarding, offboarding, access provisioning)
Build API-driven integration frameworks across identity platforms, security tools, and enterprise systems
Implement policy-as-code controls to enforce identity governance, compliance, and least privilege
Automate onboarding of applications, platforms, and identities into security frameworks
Integrate identity security into CI/CD pipelines and DevSecOps workflows
Extend identity controls to support: Machine identities (workloads, containers, APIs) AI/agentic identities (AI agents, service identities, autonomous processes)
Enable real-time identity visibility, risk detection, and automated remediation
Collaborate with security, cloud, and platform teams to deliver scalable and reusable automation patterns
You are a forward-thinking security engineer passionate about evolving identity security into an AI-native, automated control plane .
Strong experience in Identity & Access Management (IAM) and identity security controls
Hands-on expertise in automation, scripting, and API development (e.g. Python, PowerShell, REST APIs)
Experience with identity platforms such as Azure AD, Okta, SailPoint, CyberArk (or similar)
Familiarity with Zero Trust, least privilege, and identity governance frameworks
Experience integrating identity with cloud (AWS/Azure/GCP) and DevSecOps environments
Exposure to or strong interest in: Machine identity management (workload identities, secrets, certificates) AI/agent identity security and governance
Strong problem-solving mindset with a focus on scalable automation and engineering excellence
Be part of a strategic Identity Security Transformation Mission
Help build a next-generation identity security platform covering human, machine, and AI identities
Drive adoption of automation, policy-as-code, and AI-enabled security patterns
Work at the forefront of AI, cloud, and DevSecOps security innovation
Deliver fully automated identity lifecycle management at scale
Establish identity as the central control plane for Zero Trust and AI ecosystems
Enable secure onboarding of AI agents and machine identities
Reduce operational overhead through automation and intelligent workflows
Build a future-ready identity security capability aligned to AI-driven enterprise architecture
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 [email protected] or via the additional contact options found at www.telstra.com.au/careers/diversity-equity-and-inclusion/disability-employment.
