Lead Cyber Operations Security Expert

Peoplebank; Canberra; On-site; AUD 180,000 - 240,000; Full time

Job summary

Peoplebank is seeking a Lead Cyber Operations Security Expert to lead complex security investigations, proactively identify threats, and drive improvements across security operations. You will partner with cyber security, infrastructure and technology teams as a key escalation point for significant incidents and advise on cloud security controls.

This role demands 7+ years in cyber security, hands-on incident response, threat hunting, and strong SIEM experience in Azure/AWS.

Qualifications

• Minimum 7 years in cyber security or IT with senior/lead experience.
• Proven track record in cyber incident investigations, threat hunting and crisis response.
• Experience with SIEM and security operations platforms (e.g., Microsoft Sentinel, Defender, Splunk).
• Experience in Azure and/or AWS cloud environments; knowledge of Zero Trust principles.
• Familiarity with MITRE ATT&CK and vulnerability management.

Responsibilities

• Lead monitoring, investigation and remediation of cyber security incidents.
• Analyse security events across networks, endpoints and cloud platforms.
• Conduct incident response, forensics and evidence management.
• Perform proactive threat hunting and threat intelligence activities.
• Develop phishing simulations and user awareness initiatives.
• Create dashboards and reports using SIEM platforms.
• Research emerging threats and attack techniques.
• Support security data onboarding and normalization of sources.
• Collaborate with security operations, cloud and infra teams to improve controls.
• Mentor junior security team members.
• Produce incident reports, threat intel briefings and operational security reporting.

Skills

Incident investigation

Threat hunting

Crisis response

Leadership

Mentoring

SIEM expertise

Analytical thinking

Communication

Tools

Microsoft Sentinel

Microsoft Defender Suite

Splunk

EDR/XDR

Job description

About the Role As the Lead Cyber Operations Security Expert, you will be responsible for leading complex security investigations, proactively identifying cyber threats, and driving improvements across security operations capability.

Working closely with cyber security, infrastructure, and technology teams, you will serve as a key escalation point for significant incidents and provide expert guidance on modern cyber security threats, defensive strategies, and cloud security controls.

Key Responsibilities

• Lead the monitoring, investigation, and remediation of cyber security incidents.
• Analyse security events and identify suspicious or malicious activity across networks, endpoints, and cloud platforms.
• Conduct incident response activities, including investigations, digital forensics, and evidence management.
• Perform proactive threat hunting and threat intelligence activities.
• Develop and manage phishing simulation exercises and user awareness initiatives.
• Conduct log analysis and create dashboards, reporting, and visualisations using SIEM platforms.
• Research emerging threats, vulnerabilities, and attack techniques.
• Support the onboarding, ingestion, and normalisation of security data sources.
• Collaborate with security operations, cloud, and infrastructure teams to improve security controls.
• Act as a technical escalation point for complex cyber incidents.
• Mentor and develop junior cyber security team members.
• Produce incident reports, threat intelligence briefings, and operational security reporting.

Skills & Experience

• Minimum 7 years' experience in cyber security or IT, including experience operating in senior or lead-level roles.
• Proven experience leading cyber incident investigations, threat hunting, and crisis response activities.
• Strong experience with SIEM and security operations platforms such as:
• Microsoft Sentinel
• Microsoft Defender Suite
• Splunk
• Endpoint Detection and Response (EDR/XDR) technologies
• Experience working within Azure and/or AWS cloud environments.
• Knowledge of Zero Trust Security Architecture principles.
• Strong understanding of vulnerability management, endpoint security, and network security.
• Experience working with threat intelligence frameworks and MITRE ATT&CK methodologies.
• Excellent analytical, problem-solving, and communication skills.
• Ability to mentor technical teams and provide cyber security leadership.

Highly Regarded

• Experience with digital forensics and incident handling frameworks.
• Knowledge of the Information Security Manual (ISM).
• Experience implementing NIST, ISO 27001, or Essential Eight controls.
• Relevant certifications such as:
• CISSP
• GIAC Certifications
• Azure Security Certifications
• AWS Security Certifications
• Splunk Certifications
• Microsoft Security Certifications

Peoplebank and Leaders IT are committed to creating a diverse and inclusive workplace where everyone belongs. We welcome applications from people of all backgrounds, identities, and experiences. If you need adjustments to the recruitment process due to your circumstances, please let us know—we’re here to support you.