Senior Security Engineer - Identity & Directories, Telstra

Telstra

Location:
Australia, Flexible

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

Join Telstra's Security & Operations team as a Senior Security Engineer - Identity & Directories, and help safeguard the identity infrastructure that underpins the digital backbone of Australia's largest telco. Sitting within our Information and Cybersecurity function, this role focuses on hardening and securing Telstra's enterprise Microsoft Active Directory (AD) environment, a core component of our identity and access management (IAM) ecosystem.

Job Responsibility:

Lead and support the secure design and implementation of AD integrations and IAM services
Collaborate across cyber, IT, and DevOps teams to embed secure identity practices
Drive hardening, remediation, and response activities for AD and directory-related threats
Contribute to security architecture, frameworks, and standards across identity systems
Provide expert input into audits, compliance reviews, and advanced threat response
Implement and maintain observability and recovery solutions for identity infrastructure

Requirements:

Expert-level knowledge of Microsoft Active Directory Domain Services (design, deployment, and security hardening)
Hands-on scripting and troubleshooting skills, PowerShell proficiency required
Solid understanding of authentication protocols (LDAP/S, Kerberos, NTLM) and networking concepts (DNS, load balancing)
Experience working with or supporting IAM tools and processes
Familiarity with audit remediation, threat detection tools, or recovery platforms

Nice to have:

Experience with Microsoft Identity Manager (MIM) – lifecycle, role-based access, workflows
Exposure to Semperis ADFR/DSP, CrowdStrike Identity, or similar identity security platforms
Knowledge of identity observability and recovery strategies in enterprise settings

What we offer:

Flexible work – we support hybrid and remote working
16 weeks paid parental leave – for both primary and secondary carers
Free Telstra mobile plan – stay connected
Laptop/device allowance – refreshed every 2 years
Professional development – grow your skills with us
Purchased annual leave – buy extra time when you need it
Exclusive discounts – on Telstra products and services

Additional Information:

Job Posted:
August 26, 2025

Expiration:
September 09, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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Senior Security Engineer - Identity & Directories