Senior Security Engineer

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As an iconic Australian brand with a global footprint, our purpose is to build a connected future where everyone can thrive.
We're focused on delivering the best experiences through the best tech on the best network and making Telstra the place you want to work.
For you, this means a career that evolves with you, in a team built on real human connection one that prioritises wellbeing, flexibility, and personal growth.What We Offer Competitive, performance-based pay Access to thousands of learning programs to help you level-up Purchased annual leave scheme An additional Telstra day off each year 30% discount on Telstra products and services Make a DifferenceAs a Senior Security Engineer (Telco Cloud) , you'll play a critical role in enhancing Telstra's security posture.
Your expertise in telecommunications, cloud security, automation, infrastructure as code (Ia C), and cyber security will directly contribute to the protection and resilience of our Telco Cloud Networks.
With strong knowledge of security technologies, policies, and industry standards and by applying Dev Sec Ops and Agile practices you'll deliver secure, scalable, and reliable solutions.
You'll also act as a trusted adviser across cybersecurity, engineering, and Dev Ops teams.
This hands-on technical role is central to our strategy, ensuring the confidentiality, integrity, and availability of Telstra's platforms, networks, and services.What you'll do Define and operationalise security controls across cloud and network platforms to protect Telstra and its customers.
Embed secure-by-design principles into engineering processes, standards, and frameworks.
Lead the design, integration, and support diverse technologies that align with our strategic roadmap.
Enhance automation and CI/CD practices to improve delivery velocity and quality at scale.
Partner with business and technical stakeholders to ensure security solutions are practical and continuously improving.
Provide technical leadership and mentoring to engineers across different levels.
Evaluate and manage vendor solutions for secure and reliable delivery outcomes.
Document technical decisions and implementations to support knowledge sharing and operational excellence.
Participate in the on-call roster for critical incident response.
What You'll Bring Solid experience in security engineering across networks, cloud, or Dev Sec Ops environments.
Strong knowledge of: Cloud-native and traditional network security.
Infrastructure as Code (Ia C).
Micro-segmentation and Zero Trust architectures.
Hands-on experience with: Telecommunications, TCP/IP, SDN, virtualised networks.
Automation and scripting such as Python Expertise in Telco Cloud platforms (e.g.
Open Stack, CNIS, ECCD ).
Proven ability to deploy security capabilities via automation and CI/CD.
Familiarity with Agile practices and tools.
Strong understanding of frameworks and standards such as SOCI, NIST, GSMA, 3 GPP.
Excellent interpersonal and collaboration skills, especially with SMEs and external partners.
Nice to Have Experience with system hardening and best practice implementations.
Tertiary qualifications in Cloud Security, Cyber Security, Telecommunications, or Network Security , or equivalent industry experience.
CISSP, CCIE (Security), Comp TIA Security+ , or Cloud Security certifications (mandatory for cloud-focused roles).
Familiarity with Telstra's Cloud Security Guidelines (if internal candidate or prior Telstra experience.
If you're passionate about working in a highly skilled, agile team delivering secure, cutting-edge cloud technologies we'd love to hear from you.
At Telstra, we champion flexibility and understand it looks different for everyone.
Talk to us about how this role can flex to best suit you.
We're proud of our diverse and inclusive workforce.
Please note that the role is flexible across Australia.
We encourage applications from people of all genders, cultures, linguistic backgrounds, and those living with disabilities.
For more on how we support our people, including accessibility adjustments during the recruitment process, visit tel.st/thrive .
Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Information Technology Industries Computer Networking Products, Technology, Information and Internet, and Telecommunications Referrals increase your chances of interviewing at Telstra by 2x Sign in to set job alerts for "Senior Security Engineer" roles.
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