We are seeking a hands‑on Email Security Engineer to support the delivery and operational uplift of the organisation’s email security. The contractor will work closely with Luc and the Director, Data Protection & Email Security, to strengthen outbound controls, complete Mimecast implementation activities and support the controlled decommissioning of Trend Micro email security capabilities.

This is a delivery‑focused role for someone who can operate at both engineering and operational levels — designing changes, implementing them, troubleshooting issues, documenting outcomes and handing over reliable services to BAU teams.

Key responsibilities

- Execute configuration and engineering changes in a controlled manner.
- Coordinate testing with technical teams and business stakeholders.
- Develop runbooks, technical procedures, support models and knowledge-transfer materials.
- Monitor post-change outcomes and recommend further tuning.
- Escalate issues early and drive actions through to completion.
- Strong hands‑on experience administering and engineering Email Security.




- Demonstrated experience with outbound email security and enterprise mail‑flow troubleshooting.
- Practical experience implementing email journaling and validating message coverage.
- Experience uplifting email security policies and managing controlled exceptions.
- Experience with Microsoft 365 / Exchange Online mail flow, connectors, transport rules and message tracing.
- Experience retiring or migrating legacy email security platforms, preferably Trend Micro.
- Working knowledge of SPF, DKIM, DMARC, SMTP, DNS and email authentication.

Ability to produce clear technical documentation and operational handover material

Requirements

Must Have Skills: Core email security Skills : Expertise in email security gateways (Microsoft Defender for Office 365, Proofpoint, Mimecast, Cisco Secure Email, etc.), anti‑phishing, anti‑spam, and malware protection

Email Security Engineer Sydney, NSW, au

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📌 Email Security Engineer (New South Wales)
🏢 Xpt Software Australia
📍 New South Wales