In-Demand Security architect – cyber security Jobs

Senior Security Architect – Cyber Security
Telstra Business Technology Centre Perth South —Australia
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CSIRO —Australia
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Senior Security Architect – Cyber Security

Telstra Business Technology Centre Perth South
Australia

Apply Now

Job Details

Permanent | Full-time

Qualifications

Azure
CISSP
CISM
AWS
REST
AI
Leadership
CRISC

Full Job Description

Employment Type

Permanent

Closing Date

29 July 2026 11:59pm

Job Title

Senior Security Architect – Cyber Security

Job Summary

Job Description

At Telstra, you're engineering the future of connectivity for millions across Australia and beyond. You'll tackle complex challenges that make a tangible impact on our customers, at scale.

Working with cutting-edge tech and AI, you'll gain exposure to diverse tech stacks and leverage extensive data insights to build innovative solutions. Future-proofing your skills through collaboration on cross-functional projects with both internal teams and world-class brand partners.

As a Security Architect

You will be passionate about shaping secure, forward-thinking solutions that protect millions of users and systems. In this role, you’ll be a trusted expert, helping define and embed security architecture and standards across major strategic initiatives.

Crucial: We are seeking hands-on Security Architects with proven experience in cyber architecture assessment . This capability is highly valued because it ensures you can directly evaluate and design secure solutions rather than only oversee the process.

While leadership experience is respected, this role is best suited for professionals who have personally delivered architecture assessments and solution designs, not just led teams executing the work.

Risk assessment experience is advantageous , but your primary expertise should be in security solution assessment , as this is the core skill we’re looking for.

You will work closely with stakeholders across the business to provide security thought leadership, steer architectural decisions, and make sure our solutions are resilient, future-ready, and aligned with Telstra’s Cyber Security Strategy.

This role suits someone who thrives in complex environments, communicates clearly, and loves bringing people together to solve tough problems.

What you’ll be doing

Define and govern security architectures across major tech initiatives.

Ensure alignment with Telstra’s security policies, principles, and risk frameworks.

Lead security quality assurance activities and support operational readiness.

Collaborate with architects, engineers, vendors, and business teams to embed appropriate security controls.

Evaluate new security technologies and help shape our capability roadmaps.

Create reusable frameworks and patterns to simplify future projects.

Translate technical risk into business context — enabling informed, confident decisions.

Support the creation and governance of enterprise security strategies and standards.

Build strong relationships across the tech industry to stay ahead of emerging threats and opportunities.

What you bring

5+ years in complex security architecture and solutioning.

Expertise in security requirements, control definition, and risk assessment.

Proven experience delivering secure architectures at enterprise scale.

Clear communicator — able to translate technical ideas into business value.

Comfortable working through ambiguity and shifting priorities.

Bonus if you bring

Familiarity with Service-Oriented and RESTful architecture design.

Experience with secure cloud-based solutions.

Exposure to AI/ML security concepts, including generative and agentic AI.

Certifications that would shine

Security/Risk: CISSP, CISM, CRISC, SABSA

Cloud: CCSP, AWS Solutions Architect, Azure

Architecture/Process: TOGAF, ITIL, COBIT, Agile

Why Telstra?

We’re committed to creating a workplace that honours diversity and inclusion. That means real flexibility, inclusive policies, and leadership that walks the talk.

Here’s what we offer:

A genuine commitment to flexible working and family support

30% discount on Telstra products & services

Performance-based pay

Thousands of learning programs to help you grow

Purchased leave scheme & an additional Telstra Day off

Toolkit provided – we’ll set you up with the tech you need

Opportunities to work globally across 22 countries

For more information about our benefits & rewards, visit on our careers website.

Be part of a company that leads with impact

At Telstra, you’re backed to perform at your best. With tools, coaching and platforms like Career Connect, you’ll build skills, grow fast and make an impact. With our scale and variety, there are endless opportunities to explore. You’ll define your path as you go.

Inclusion matters here

We believe diverse perspectives make us stronger, so we’re committed to being a place where everyone feels they belong - and can bring their unique thinking. Because connection isn’t just what we do, it’s who we are.

We support all our candidates with reasonable adjustments and inclusive practices throughout the recruitment process. If you need support, please contact our team at [email protected] .

Be part of a company that leads with impact

We’re proud to be among the top 2% of global companies in the CDP Climate Change Index 2023. At Telstra, your work contributes to something bigger — a more connected, inclusive, and sustainable world.

Ready to make your mark?

If you're ready to bring your whole self to work, shape the future of cyber security, and be part of a team that’s doing meaningful, future-focused work — we’d love to hear from you.

Apply Now

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