Security Engineering Senior Engineer

Employment Type Permanent Closing Date 25 July 2026 11:59pm Job Title 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. Job Description 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 Key Responsibilities 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 About You You are a forward-thinking security engineer passionate about evolving identity security into an AI-native, automated control plane .

Skills & Experience 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 Why Join Us 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 What You’ll Achieve 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 DisabilityandAccessibility@team.telstra.com or via the additional contact options found at www.telstra.com.au/careers/diversity-equity-and-inclusion/disability-employment.