Job Description
At Centorrino Technologies (CT), we're more than just tech—we're a community that goes beyond expectations. We've been recognised as a Excellent Place to Work in **** and one of the Best Places to Work Medium Size in Australia for ****, with an outstanding eNPS score of 68. And we're not stopping there. We're on a mission to redefine the customer experience, and we need a passionate Cyber Security Team Leader to join our team in Australia.
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The Cyber Security Lead plays a critical leadership role in our security operations, responsible for real-time threat monitoring, escalation handling, and mentoring a growing cyber team. This role combines technical expertise with a hands‐on approach to cyber defence, ensuring that security incidents are swiftly identified, analysed, and resolved while continuously strengthening our security posture.
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The successful candidate will lead continuous improvement across our Security Operations Centre (SOC) and drive proactive threat hunting, vulnerability assessments, and stakeholder engagement across internal teams and customers.
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What You'll Do:
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Act as the technical escalation point for junior analysts and mentor their professional development.
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Lead incident investigations, coordinate responses, and ensure root cause analysis and post‐incident reviews are completed.
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Drive team engagement through monthly security meetings and awareness initiatives.
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Perform real-time "eyes on glass" monitoring of security alerts using SIEM solutions (FortiSIEM and Microsoft Sentinel).
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Analyse and triage security events and incidents, ensuring accurate escalation and incident management.
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Tune detection rules and use case logic to reduce false positives while maintaining detection quality.
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Fine‐tune and manage security tools, including EDR (e.g., Defender for Endpoint), application control (e.g., ThreatLocker, WDAC), anti‐malware solutions, and intrusion detection systems.
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Perform vulnerability assessments using tools such as Tenable and Microsoft Defender, and define remediation strategies in collaboration with infrastructure and service teams.
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Support the integration and optimisation of cloud and on‐prem security controls.
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Maintain up‐to‐date documentation on security operations, procedures, and incident response playbooks.
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Lead and document monthly customer security reviews.
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Provide insight and recommendations to improve internal security processes and controls.
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Deliver cyber awareness training to internal teams and clients using platforms such as uSecure or Microsoft modules.
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Collaborate with service delivery, compliance, and infrastructure teams to ensure alignment between security operations and client SLAs.
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Proactively communicate with clients to provide guidance, incident updates, and reporting.
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Identify and implement process improvements to streamline operations.
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Collaborate with other departments to deliver the best quality solutions.
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What You'll Bring:
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You must hold a Negative Vetting 1 (NV1) Security Clearance to be eligible for this role.
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Extensive experience with SIEM platforms (FortiSIEM, Microsoft Sentinel preferred).
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Knowledge of EDR, IDS/IPS, firewall configurations, and endpoint protection technologies.
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Strong background in network protocols, security architectures, and authentication models.
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Familiarity with vulnerability management tools (e.g., Tenable, Microsoft Defender).
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Experience with identity and access management (IAM),



conditional access, and cloud security monitoring.
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Strong leadership capabilities, including mentoring, stakeholder management, and driving technical discussions.
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Excellent written and verbal communication skills, able to simplify complex topics for technical and non‐technical audiences.
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Proven ability to manage incidents under pressure with professionalism and control.
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High attention to detail, with strong analytical and critical‐thinking skills.
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Ability to manage multiple priorities in a fast‐paced and dynamic environment.
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Business acumen to align cyber operations with commercial and client goals.
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Passion for cybersecurity and innovation, with a mindset of continuous improvement.
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Preferred Certifications:
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Microsoft: SC-200, SC-100, SC-300
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Fortinet: NSE5+
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Tenable Vulnerability Management Specialist
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Other certifications such as CISSP, CISM, CEH, or CompTIA Security+ will be highly regarded.
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Why You'll Love Working Here:
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Our company is more than just a workplace, it's a hub of inspiration and creativity where employees love to work! Here's why:
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Hybrid working (for majority of our roles) with team anchor days to support collaboration.
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Extensive training and development opportunities that enable continual growth as part of your career planning.
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Extensive discounts and benefits to maximise your money.
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A choice of your IT equipment to maximise your success and access to cost‐price tech for your personal needs.
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Fun team events to celebrate achievements and connect with colleagues outside work as part of our engaging culture.
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CT celebrates diversity and enables every voice to be heard as we drive to create the world we want.
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Note: A valid Vulnerable People / Working with Children Check (WWCC) and Police Check are required.

📌 Cyber Security Team Leader (New South Wales)
🏢 CENTORRINO TECHNOLOGIES
📍 New South Wales