Senior Network Security Engineer – Hybrid or 100% Remote (Australia)
Brisbane, QLD or 100% remote if other states in Australia. Full‐time, Permanent. $120 K–$150 K + Super.
Australian Citizens & Permanent Residents Only (No Visa Holders).
About the Opportunity
We are seeking an experienced Senior Network Security Engineer to join a high‐performing Managed Security Services environment in Brisbane or 100% remote if other states in Australia.
This is a senior individual‐contributor role for someone who thrives on designing secure, complex network environments, leading incident response, and working directly with clients to protect critical systems. You'll play a key role in shaping security architecture, strengthening client environments, and ensuring robust, end‐to‐end protection.
Key Responsibilities
* Firewall & Perimeter Security: Design, implement, and manage enterprise firewall environments (Fortinet, Cisco, NGFW); optimise firewall policies, NAT, and segmentation for least‐privilege access; conduct audits to identify risks, gaps, and misconfigurations; manage IDS/IPS, WAF, and threat intelligence integration.
* Network Architecture & Design: Lead secure network design from scoping through to delivery and documentation; implement segmentation strategies (VLANs, DMZs, zero trust, micro‐segmentation); provide input on SD‐WAN, MPLS, and hybrid connectivity solutions; produce high‐quality architecture and client documentation; act as a senior escalation point for complex design challenges.
* Incident Response: Lead network‐focused incident response engagements end‐to‐end; perform forensic analysis of traffic, logs, and security events; develop and maintain incident response playbooks; collaborate with SOC teams to accelerate containment and recovery; deliver clear post‐incident reports with actionable insights.
* Client Engagement & Advisory: Act as a trusted advisor on network security strategy and risk; lead client meetings and present technical recommendations; support growth of client security capabilities and services; translate complex technical concepts into clear business outcomes.
About You
* Strong experience in network security engineering within complex environments.
* Deep expertise in firewall technologies, network design, and security controls.
* Proven experience leading incident response at the network layer.
* Confident in client‐facing environments with strong communication skills.
* Ability to balance hands‐on engineering with strategic advisory.
Experience & Skills
* 5+ years in network security engineering, with senior‐level experience across complex or multi‐client environments.
* Strong hands‐on expertise with firewalls (Fortinet FortiGate preferred; Cisco ASA/FTD or similar also valuable).
* Solid network architecture capability – able to design and justify secure environments end‐to‐end.
* Proven involvement in network‐layer incident response.
* Good understanding of enterprise networking (BGP, OSPF, MPLS, SD‐WAN, QoS) and security integration.
* MSSP or managed services experience highly regarded.
* Familiarity with SIEM/SOAR for monitoring and triage.Knowledge of Essential Eight, ISM, NIST CSF, ISO 27001.
* Strong communication skills – both client‐facing and technical reporting.
Certifications (Preferred / In Progress)
* Fortinet NSE 6 or 7
* CCNP Security
Qualified candidates encouraged to apply.
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