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About the Role

Optus is seeking a Senior Insider Threat Analyst to enhance security by identifying, investigating, and mitigating insider risks. This role is crucial in protecting the company's people, data, and intellectual property in an evolving cyber threat landscape.

Responsibilities

• Operate and enhance insider risk detection capabilities using technologies like UEBA, DLP, CASB, EDR, SIEM, User Activity Monitoring, and cloud telemetry.
• Develop and maintain analytics, detection rules, investigative playbooks, and monitoring models for various threats including data exfiltration and policy violations.
• Lead and support insider threat investigations, including evidence collection, case management, and reporting.
• Correlate technical indicators with business and people-related risk signals.
• Triage and assess insider risk alerts, determining severity and recommending actions.
• Produce investigation reports and executive briefings for various audiences.
• Coordinate technical and administrative containment activities.
• Drive proactive risk reduction through awareness initiatives and policy reviews.
• Contribute to insider threat governance, metrics reporting, and threat intelligence.
• Stay current on emerging insider threat techniques and best practices.

Requirements

• 3+ years of experience in insider threat, cyber security operations, threat hunting, investigations, fraud intelligence, digital forensics, law enforcement, or a related discipline.
• Experience leading or supporting complex investigations involving sensitive information and multiple stakeholders.
• Strong knowledge of security monitoring and detection platforms (e.g., Microsoft Sentinel, Splunk, CrowdStrike, Defender for Endpoint, DLP, CASB, UEBA).
• Proficiency in security analytics and query languages (e.g., KQL, SPL, SQL).
• Understanding of data exfiltration techniques, insider threat tactics, and behavioural risk indicators.
• Knowledge of evidence handling, chain of custody processes, and creating defensible investigation documentation.
• Strong stakeholder management skills and ability to collaborate across Security, HR, Legal, Privacy, and Compliance.
• Excellent written and verbal communication skills.
• High levels of integrity, discretion, sound judgment, and professionalism.

Skills

• UEBA
• DLP
• CASB
• EDR
• SIEM
• User Activity Monitoring
• Cloud telemetry
• KQL
• SPL
• SQL
• Microsoft Sentinel
• Splunk
• CrowdStrike
• Defender for Endpoint
• Microsoft Purview Insider Risk Management
• Microsoft Defender
• Google Workspace auditing
• PowerShell
• Python

Location

• Hybrid

Work Type

• Hybrid
• Full-time

Experience Level

• Senior

Education Level

• Industry certifications such as Security+, CySA+, GCIH, GCFA, GCFE, CISM, CIPM, or Certified Cybersecurity (CC) are nice to have.
• Knowledge of regulatory and compliance frameworks such as ISO 27001, NIST, SOX, PCI DSS, or privacy legislation is nice to have.

Salary/Compensations

• Competitive remuneration

Benefits

• Employee discounts
• $80 monthly credit
• 25% off Optus products
• Unique shopping discounts with retail partners
• Flexible working arrangements
• Vibrant and collaborative office campus with amenities
• Competitive leave policies
• Additional Connected Days
• Inclusive, carer-neutral paid parental leave of up to 16 weeks
• Ongoing learning and development opportunities
• Employee-led inclusion networks and diversity initiatives
• Access to confidential wellbeing and support services available 24/7

About the Company

• Optus is a leading Telecommunications company known for delivering innovative solutions, disrupting the industry, and evolving as a technology company with a diverse range of products and services.
• At Optus, we are strengthened by others and that means valuing diversity and saying "yes" to embracing individual differences.

Equal Opportunity

• We are committed to ensuring our application process provides equal employment opportunities to all job seekers, including individuals from diverse gender, cultural and linguistic backgrounds, people with disability, LGBTQIA+ individuals, veterans, and Aboriginal and Torres Strait Islander peoples.
• If you require adjustments or accessibility support during the recruitment process, please let us know.