Senior Security Engineer

As a Senior Security Systems Engineer based in Sydney, you will report to the Director, Security and work closely with Security Operations, Data Centre Operations, ICT, Development, Construction, and external partners across the APAC region. Please note this is not a Cyber Security or IT security role, it's an electronic security systems role.

Responsibilities

Provide operational engineering support for AirTrunk's electronic security systems across the full system lifecycle, including design review, implementation, maintenance, upgrades, and decommissioning; Act as the senior technical escalation point for complex security systems incidents, faults, and performance issues; Deliver high-level technical support and subject matter expertise to Security Operations, Data Centre Operations, ICT teams, project teams, and other business stakeholders; Manage and coordinate security system changes through established change management processes; Monitor system health, performance, resilience, and availability; Lead root cause investigations and corrective actions following system failures, incidents, or outages; Support disaster recovery, redundancy testing, and business continuity activities; Conduct regular system reviews, health checks, audits, and technical assessments; Develop, maintain, and continuously improve security systems standards, technical baselines, and operating procedures; Maintain accurate system documentation, engineering records, drawings, asset inventories, and configuration management databases; Support new data centre developments, campus expansions, security upgrades, and technology refresh programs; Lead security systems requirements gathering, design reviews, testing, commissioning, and operational handovers; Manage relationships with security systems integrators, software vendors, maintenance providers, and consultants; Monitor vendor performance against service levels, contractual obligations, and security requirements; Manage and govern vendor ICT access to electronic security systems; Support internal and external audit activities relating to physical security technology; Conduct security systems risk assessments and support remediation activities; Build and strengthen internal engineering capability across the Security function; Mentor stakeholders and promote best practice across security systems operations and lifecycle management; Contribute to the development of long-term security technology roadmaps and capability uplift initiatives

Requirements

10+ years' experience in electronic security systems engineering, physical security technology, critical infrastructure, or related environments; Demonstrated experience supporting enterprise-scale or critical infrastructure security systems; Strong experience with Genetec Security Center, Access Control Systems, Video Management Systems (VMS), CCTV Analytics, Intrusion Detection Systems, Security Monitoring Platforms, and Integrated Security Management Systems; Proven experience delivering and supporting security technology projects across multiple sites and stakeholders; Experience managing security systems incidents, change management processes, and operational support activities; Strong vendor, contractor, and systems integrator management experience; Experience conducting security system audits, compliance reviews, health checks, and technical assessments; Strong knowledge of security systems governance, lifecycle management, and engineering best practices; Excellent communication, stakeholder engagement, and relationship management skills; Demonstrated ability to work effectively in fast-paced operational environments; Strong analytical, problem-solving, and troubleshooting capabilities; Ability and flexibility to travel throughout Australia, the APAC region and beyond

Nice to have

Experience within data centres, critical infrastructure, telecommunications, or highly regulated environments; Genetec certification and/or extensive operational experience; Experience with LenelS2, Gallagher, Milestone, Avigilon, or similar enterprise security platforms; Project management, engineering, or security-related qualifications; Understanding of ICT and physical security convergence; Experience supporting regional operations across APAC