At a Glance
- Tasks: Strengthen mobile network security and design innovative solutions with cutting-edge tech.
- Company: Join Telstra, an iconic Australian brand committed to a connected future.
- Benefits: Competitive pay, learning programs, extra leave, and discounts on products.
- Other info: Flexible work options and a commitment to diversity and inclusion.
- Why this job: Make a real impact in mobile security while growing your career in a supportive environment.
- Qualifications: Experience in mobile networks, security engineering, and automation practices.
The predicted salary is between 113400 - 138600 $ per year.
- Senior Security Engineer - Mobile Network Security
- Join to apply for the
- Senior Security Engineer - Mobile Network Security role at
- Telstra
As an iconic Australian brand with a global footprint, our purpose is to build a connected future where everyone can thrive.
We're committed to delivering the best experiences through the best technology on the best network - and making Telstra the place you want to work.
For you, this means a career that grows with you, supported by a team built on genuine human connection that values wellbeing, flexibility, and growth.
What We Offer
- Competitive, performance-based pay
- Access to thousands of learning programs to help you grow your skills
- Purchased annual leave scheme
- An additional Telstra day off each year
- 30% discount on Telstra products and services
- Make a Difference
- As a
- Senior Security Engineer in our GNT Business Unit, you'll apply your expertise in
Telecommunications, Mobile Core and RAN technologies, Automation, Infrastructure as Code (Ia C), and Cyber Security to strengthen the security of Telstra's mobile networks. You'll help design, integrate, and operate security capabilities across our
- Mobile Core, RAN, and orchestration systems using
- Dev Sec Ops and
Agile practices.
This hands-on role will position you as a trusted advisor to cross-functional teams - delivering secure, scalable solutions and safeguarding the confidentiality, integrity, and availability of our network.
What you'll do
- Define and operationalise security controls across Mobile Core and RAN platforms.
- Embed secure-by-design principles into engineering standards and frameworks.
- Lead the design, integration, and support network technologies and platforms in line with Telstra's tech strategy.
- Enhance automation and CI/CD practices to improve delivery speed and quality.
- Engage with business and technical stakeholders to deliver practical, customer-focused security solutions.
- Provide technical leadership and mentoring to support team development.
- Evaluate vendor solutions and manage performance to ensure secure outcomes.
- Document work for continuity, knowledge sharing, and operational excellence.
- Participate in the on-call roster to support critical incident response.
- What You'll Bring
- Broad understanding of
- Mobile Core, Radio Access Networks (RAN), and security engineering across
- Network, Telco Cloud, and
Dev Sec Ops environments.
- Strong technical expertise in
TCP/IP routing, RAN, Linux, Docker, and Kubernetes.
- Hands-on experience securing modern infrastructure (e. g.
Docker, Kubernetes, Ia C with Terraform/CDK ).
- Experience delivering security capabilities via automation and CI/CD pipelines .
- Familiarity with
Agile methodologies and tools.
- Knowledge of key security standards/frameworks (e. g.
SOCI, NIST, GSMA, 3GPP ).
- Strong interpersonal skills with the ability to collaborate across teams and partners.
- Nice to Have
- Experience with system hardening and best practice implementations.
- Experience deploying security capabilities through automation and CI/CD pipelines.
- Degree in
- Cyber Security, Cloud Security, Telecommunications, or Network Security
- or equivalent industry experience.
- Relevant certifications such as
- CISSP, CCIE (Security), Comp TIA Security+, or Cloud Security certifications
(mandatory for cloud security-focused roles).
If you're passionate about being part of an agile, experienced team and contributing to cutting-edge mobile security, we'd love to hear from you.
At Telstra, we fully embrace flexibility and encourage you to work where, when, and how you are most effective.
Talk to us about how this role could flex for you!
Please note that the role is flexible across Australia.
We are committed to building a diverse and inclusive workforce.
We welcome applicants of all genders, cultures, linguistic backgrounds, and people living with disabilities.
To learn more about how we support our people, including accessibility adjustments, visit tel. st/thrive .
- Seniority level
- Mid-Senior level
- Employment type
- Full-time
- Job function
- Information Technology
- Industries
- Telecommunications
- Referrals increase your chances of interviewing at Telstra by 2x
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Senior Security Engineer - Mobile Network Security in Adelaide employer: Telstra
Telstra Retail is an excellent employer, offering a vibrant work culture that prioritises customer satisfaction and teamwork in the bustling Morayfield area. With flexible hours, employees enjoy a healthy work-life balance while having access to ongoing training and development opportunities that foster personal and professional growth. Join us to be part of a supportive team that values your contributions and encourages you to thrive in a dynamic retail environment.
