Cyber Security Engineer — Automation & IaC (Hybrid)

Tpg Telecom; Sydney; Hybrid; AUD 130,000 - 160,000; Full time

Benefits offered by this job

Stay connected mobile plan

Stay connected NBN plan

TPG Learning Hub access

Job summary

TPG Telecom is seeking a hands-on Cyber Security Engineering Specialist / System Technical Owner (12‑month fixed term) to design, implement, and manage security technologies with a strong focus on automation and Python development.

You will own security tooling and orchestrate data flows across cloud and on‑prem environments, working with vendors, architects, and platform teams to embed security into every layer of the tech stack.

Qualifications

• Hands-on Python for automation and tooling development.
• Experience with DevOps, CI/CD pipelines, and IaC.
• Strong understanding of cloud, network, and application security.
• Familiarity with security platforms such as CyberArk, ArcSight, SentinelOne, Vectra, Splunk, SailPoint, and Microsoft/AWS security tools is not essential but will help.
• Familiarity with IAM, EDR, SIEM, DLP, MFA, API Security, and Email Security.
• Excellent communication and interpersonal skills.
• Experience in regulated or complex environments is a plus.
• Passion for continuous learning, staying updated with emerging threats and technologies.

Responsibilities

• Design, implement, and maintain secure systems and automation pipelines using DevOps and CI/CD best practices.
• Develop custom security tooling and integrations connecting data across cloud and on‑prem environments.
• Own the full engineering lifecycle from ideation to deployment, monitoring, and support, ensuring secure and scalable solutions.
• Collaborate with security architects, developers, and platform teams to embed security into SDLC and CI/CD pipelines.
• Build and maintain automated detection and response capabilities, integrating with SIEM, EDR, IAM, and other tools.
• Identify and remediate risks by automating manual processes and improving system reliability.
• Contribute to incident response, root‑cause analysis, remediation automation, and resilience improvements.
• Communicate technical concepts clearly to developers, leadership, and compliance teams.
• Promote security by design through secure code reviews and mentoring.
• Ensure governance, capacity planning, and performance monitoring of platforms and tools.
• Uphold confidentiality, integrity, and availability of information assets and systems.
• Adhere to internal policies and promote security compliance across the organization.

Skills

Python automation

DevOps CI/CD

IaC

AWS Cloud Security

Network Security

Application Security

Security tooling

Security reporting

Communication

Regulated environments

Tools

CyberArk

ArcSight

SentinelOne

Vectra

Splunk

SailPoint

Microsoft security tools

AWS security tools

Job description

TPG Telecom is seeking a hands-on Cyber Security Engineering Specialist / System Technical Owner (12‑month fixed term) to design, implement, and manage security technologies with a strong focus on automation and Python development.

You will own security tooling and orchestrate data flows across cloud and on‑prem environments, working with vendors, architects, and platform teams to embed security into every layer of the tech stack.