Senior Insider Threat Analyst

About this role

Date: 29 Jul 2026

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Company: Singtel Group

Optus is an Australian telecommunications company, delivering more than 11 million services to our customers every day across mobile, broadband and digital solutions.

As a Senior Insider Threat Analyst, you will play a critical role in protecting Optus by identifying, assessing, and responding to risks that may impact our people, systems, information, and operations.

Working as part of a highly collaborative security function, you will investigate potential insider risks, contribute to the continuous improvement of security controls and processes, and provide trusted advice to stakeholders across the business. This role requires a combination of analytical thinking, investigative expertise, sound judgement, and the ability to work confidently with sensitive and confidential information.

Due to the requirements of this role, we are currently only able to consider applications from Australian Citizens.

What You’ll Do | Your day to day will consist of

Lead and support insider threat investigations, including evidence collection, timeline reconstruction, case management, formal reporting, and stakeholder engagement.

Operate and improve detection and analytical capabilities across multiple technologies.

Develop and maintain investigative and response playbooks, determining severity, impact, and recommending appropriate remediation and risk mitigation actions.

Support a whole of organisation approach by collaborating with key stakeholders to support risk mitigation and resolution activities.

Drive proactive risk reduction through the continuous improvement of policies, processes, controls and awareness initiatives that strengthen organisational security.

Maintain knowledge of emerging threats and industry guidelines relating to insider risk and investigations.

What You Bring | What makes you perfect for the role?

Experience in cyber security, security operations, investigations, intelligence analysis, risk management, digital forensics, law enforcement, or a related field.

Strong analytical and investigative abilities, capable of evaluating complex situations and making well-founded, evidence-supported decisions.

Experience leading or supporting complex investigations involving highly sensitive information and multiple stakeholders, with a high degree of professionalism, integrity, discretion, and confidentiality.

Knowledge of evidence handling, chain of custody processes, and the creation of defensible investigation documentation.

Experience working with security technologies, monitoring platforms, or investigative tools within a corporate or government environment.

Strong written and verbal communication skills, with the ability to engage effectively with technical and non-technical stakeholders.

Experience producing data driven reports, findings, and recommendations for a range of audiences.

Experience and knowledge of security, risk, governance, and compliance principles within a complex organisational environment.

A proactive approach, strong attention to detail, and a dedication to continuous improvement.

The good stuff…. | What’s in it for you?

Competitive remuneration and colleague discounts. Make life easier (and more affordable) with $80 monthly credit and 25% off Optus products and outstanding shopping discounts with our retail partners.

Flexible working arrangements with opportunities to work three days in the office, two days remote or home.

Competitive leave policies, including additional 'Connected’ days to focus on culture, family, health, community, or whatever’s important to you.

We support growing families with inclusive, carer-neutral paid Parental Leave of up to 16 weeks.

Build meaningful connections through colleague-led networks and diversity initiatives including Culture Connect, Elevate Women, Disability Network and Express Yourself (LGBTQIA+).

Put your wellbeing first with free access to counselling and support services, 24/7 — in-person, by phone, SMS, or video.

At Optus, we are strengthened by others and that means valuing diversity and saying ‘yes’ to embracing individual differences. We are committed to ensuring that our application process provides an equal employment opportunity to all job seekers, including individuals from diverse gender, cultural and linguistic backgrounds, individuals with a disability, individuals identifying as being part of the LGBTQIA+ community, individuals who may have served in the armed forces or who identify as Aboriginal and/or Torres Strait Islander. We also want to do our best to make our recruitment process inclusive. If you require any adjustments or accessibility support to participate fairly and equitably in the recruitment process, please email AccessibleRecruitment@optus.com.au or call 1800 309 170. We're here to help.

For more information on Diversity, Inclusion & Belonging at Optus, please visit https://www.optus.com.au/about/inclusion-diversity

About cyber security & digital forensics roles for ex-police

Cyber security, digital forensics and incident-response roles. DMIs, cybercrime investigators and digital forensics officers bring evidential discipline and investigative judgement that DFIR and security teams struggle to hire.