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Chief Enterprise Security Architect at at

Position Chief Enterprise Security Architect
Posted 01 Apr 2026
Expired 01 May 2026
Company at
Location New South Wales | AU
Job Type Full Time

Job Description:

Latest job information from at for the position of Chief Enterprise Security Architect. If the Chief Enterprise Security Architect vacancy in New South Wales matches your qualifications, please submit your latest application or CV directly through the updated Jobkos job portal.

Please note that applying for a job may not always be easy, as new candidates must meet certain qualifications and requirements set by the company. We hope the career opportunity at at for the position of Chief Enterprise Security Architect below matches your qualifications.

Senior Director, Enterprise Security Architecture

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Optus is an Australian telecommunications company, delivering more than 11 million services to our customers every day across mobile, broadband and digital solutions.

The Senior Director of Enterprise Security Architecture is responsible for shaping and governing Optus' overall security architecture strategy, standards, and frameworks. Leading a team of Enterprise Security Architects across key domains including Identity & Access, Data Protection, Cloud Security, Network Security, and Risk & Resilience. The role ensures a unified and robust security architecture across both telecommunications' infrastructure and corporate IT environments.

In addition to chairing the Security Architecture Chapter, the Senior Director sets the enterprise-wide security architecture vision, develops a multi-year roadmap, and drives innovation through research and proof of concept initiatives. This role provides governance for major security programs, ensuring platform engineering teams deliver integrated, compliant, and scalable security solutions. Success requires deep cross domain expertise, strong architectural leadership, and the ability to influence at executive levels while balancing innovation, governance, and business enablement.

What You'll Do

  • Lead the enterprise security architecture vision and multi‑year roadmap, setting standards and providing design authority for major security platforms.
  • Ensure organisation‑wide architectural alignment through effective leadership of architects and key business stakeholders.
  • Develop and maintain enterprise security architecture standards, including reference architectures, design patterns, and compliance‑aligned guidelines.
  • Oversee and enforce architecture governance, including decision records, review processes, exception management, and cross‑domain compliance.
  • Drive security research and proof‑of‑concept initiatives to evaluate emerging threats, technologies, and security paradigms.
  • Lead innovation and influence senior executives, regulators, and cross‑functional leaders to align on architecture strategy and major technology decisions.

What makes you perfect for the role?

  • Tertiary degree in a technical field (Master's preferred) plus industry certifications.
  • 15+ years in information security, including senior security architecture leadership and managing architecture teams in complex, regulated environments.
  • Hands‑on experience across identity, network, cloud, data protection, application security, threat detection, and modern security paradigms.
  • Proven ability to establish architecture practices, standards, ADR governance, cross‑domain integration, and enterprise‑wide security architectures.
  • Strategic thinker with strong influencing skills, exceptional communication, change leadership, and the ability to mentor and develop architecture talent.

What's in it for you?

  • Competitive remuneration and employee discounts. Make life easier (and more affordable) with $80 monthly credit and 25% off Optus products and unique shopping discounts with our retail partners.
  • Flexible working arrangements with opportunities to work three days in the office, two days remote or home.
  • Competitive leave policies, including additional 'Connected' days to focus on culture, family, health, community, or whatever's important to you.
  • We support growing families with inclusive, carer-neutral paid Parental Leave of up to 16 weeks.
  • Direct your own development and build future-ready skills with Optus U's industry-focused micro-credentials, developed with La Trobe and Macquarie Universities.
  • Build meaningful connections through employee-led networks and diversity initiatives including Culture Connect, Elevate Women, Disability Network and Express Yourself (LGBTQIA+).
  • Put your wellbeing first with free access to counselling and support services, 24/7 — in-person, by phone, SMS, or video.

At Optus, we are strengthened by others and that means valuing diversity and saying ‘yes' to embracing individual differences. We are committed to ensuring that our application process provides an equal employment opportunity to all job seekers, including individuals from diverse gender, cultural and linguistic backgrounds, individuals with a disability, individuals identifying as being part of the LGBTQIA+ community, individuals who may have served in the armed forces or who identify as Aboriginal and/or Torres Strait Islander. We also want to do our best to make our recruitment process inclusive. If you require any adjustments or accessibility support to participate fairly and equitably in the recruitment process, please email or call . We're here to help. When you contact us, please advise your preferred method of contact and we will be in touch within 48 hours.

For more information on Diversity, Inclusion & Belonging at Optus, please visit

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Telecommunications & Internet Service Providers 5,001-10,000 employees

We're investing in our people, our communities, our networks, and a sustainable future. Our focus is on creating a better more connected future for Australia.

We're investing in our people, our communities, our networks, and a sustainable future. Our focus is on creating a better more connected future for Australia.

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Job Info:

  • Company: at
  • Position: Chief Enterprise Security Architect
  • Work Location: New South Wales
  • Country: AU

How to Submit an Application:

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