Senior Cloud Security Specialist (Zscaler SME)

Remote | Canberra-Based Federal Government Program | 12-Month Contract + Extension

Are you a Zscaler expert looking to play a key role in a large-scale Zero Trust transformation?

We are seeking an experienced Senior Cloud Security Specialist (Zscaler SME) to join a high-profile Federal Government program. This opportunity will see you provide technical leadership, security expertise, and hands-on engineering support across a mature Zscaler environment while helping uplift internal capability and drive cloud security best practices.

This is a predominantly remote engagement with occasional attendance in Canberra for planning workshops, stakeholder engagement, and knowledge transfer activities.

The Chance

As the Senior Cloud Security Specialist, you will act as the organisation's subject matter expert for Zscaler technologies, supporting the enhancement, optimisation, and ongoing maturity of their Zero Trust security posture.

You will work closely with Cloud, Network, Infrastructure, and Cyber Security teams to improve platform resilience, automate operational processes, strengthen monitoring capabilities, and deliver sustainable capability uplift across government teams.

Key Responsibilities

- Lead the design, review, optimisation, and support of enterprise Zscaler environments.
- Provide expert guidance on Zero Trust architecture and cloud security best practices.
- Improve platform monitoring, alerting, observability, and operational dashboards.
- Review platform resilience, disaster recovery, and security controls.
- Develop and maintain Infrastructure as Code (IaC) and Policy as Code (PaC) capabilities.
- Introduce automation to improve operational efficiency and reduce manual administration.




- Produce technical documentation, operational runbooks, and support procedures.
- Mentor and coach internal technical teams through structured knowledge transfer programs.
- Collaborate with stakeholders to identify risks, recommend improvements, and support strategic security outcomes.
- Assist with troubleshooting, incident response, and operational improvement initiatives.

About You To be successful in this role, you will demonstrate:

Essential Experience

✅ Extensive experience implementing and supporting Zscaler solutions

✅ Strong expertise across:

- Zscaler Internet Access (ZIA)
- Zscaler Private Access (ZPA)
- Zscaler Cloud Connector
- Zero Trust Security Architectures

✅ Experience with:
- Cloud security engineering
- Security monitoring and observability
- Infrastructure as Code (Terraform or similar)
- Policy as Code
- Automation and scripting

✅ Strong stakeholder engagement and communication skills ✅ Proven experience creating technical documentation and operational runbooks

✅ Demonstrated mentoring, coaching, and knowledge transfer experience

Desirable Experience

Highly regarded

- Zscaler certifications
- Federal Government experience
- Azure and/or AWS cloud platforms
- SIEM and security monitoring tools
- Enterprise networking and security technologies
- Experience delivering Zero Trust transformation initiatives





What's on Offer? ✔ Initial 12-month contract with extension options

✔ High-profile Federal Government environment

✔ Predominantly remote working arrangement

✔ Opportunity to lead and influence enterprise security capability uplift

✔ Work with modern cloud and Zero Trust technologies

✔ Collaborative and highly skilled technical team

Security Requirement

Applicants must be Australian Citizens and be eligible to obtain or hold a Baseline Security Clearance.

Apply Now

If you are a seasoned Cloud Security Specialist, Security Architect, or Zscaler SME looking to make a meaningful impact within a large government security program, we'd love to hear from you.

Submit your CV today for a confidential discussion.

Join our growing global team and accelerate your career with us. Apply today.

For more information about this or other opportunities, please contact Aasifa Ruhani. Please quote our job reference number 680181.

About us

NTT Ltd. is a global ICT provider, employing more than 40,000 people in a diverse and dynamic workplace, and delivering services in over 200 countries and regions. We partner with organizations around the world to shape and achieve outcomes through intelligent technology solutions. For us, intelligent means data driven, connected, digital, and secure.

NTT is proud to be an equal opportunity employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, color, sex, religion, national origin, disability, pregnancy, marital status, sexual orientation, gender reassignment, veteran status, or other protected category.

📌 Senior Cloud Security Specialist (Canberra)
🏢 Ntt Data
📍 Canberra