Senior Detection and Response Analyst Sydney

at nib Group
Published June 2, 2026
Location Sydney, Australia
Category Other  
Job Type Full-time  

Description

About this role

As the Senior Detection & Response Analyst, you will protect nib by delivering high-quality threat intelligence and detection & response capability. You will achieve this by monitoring and analysing the evolving threat landscape, producing timely stakeholder reporting, and translating intelligence into improved detections, investigations, and threat-informed security recommendations.

Day to day you will:

Triage alerts and investigate security incidents

Build detections and apply threat intelligence

Automate workflows and optimise response processes

Lead incident response, containment and remediation do

Produce reporting, documentation and insights

Identify vulnerabilities and strengthen security practices

Mentor analysts and support team delivery

About you

You bring strong foundations in incident response, with hands-on experience across containment, investigation and remediation. Comfortable working in fast-paced environments, you understand how to manage security incidents end-to-end and contribute to effective, timely outcomes.

You have practical experience with core security tools such as SIEM, EDR and network detection technologies. You’re confident navigating security platforms, analysing alerts and leveraging tooling to support investigations and strengthen detection capability.

Backed by solid knowledge of public cloud, network and endpoint fundamentals, you understand how systems communicate and how they can be exploited. With a working knowledge of TCP/IP, Windows and Linux environments, you can identify common attack vectors and apply this insight to real-world security scenarios.

You’ll bring:

Ability to analyse security alerts, connect related events, and determine root causes

Can clearly articulate technical findings in reports or during investigations, both written and verbally

Understanding of data protection principles and common security compliance frameworks

Entry- to mid-level security certification (CompTIA Security+, GIAC GSEC, or similar) (desired)

Basic ability to automate repetitive tasks in at least one language (Python, PowerShell, etc.) (desired)

Knowledge of cloud environments (AWS, Azure, GCP) and related security concepts (desired)

Experience with log aggregation and analysis, extracting insights from large datasets (desired)

Experience in scanning tools and interpreting vulnerability reports (desired)

Specific experience configuring and managing cloud security controls (DLP, CASB, etc.) (desired)

We know some people only apply when they meet every requirement. We’re always on the lookout for curious individuals who will add to the culture – so if this role resonates with you and you have relevant experience, we’d love to hear from you!

Who we are

nib is a leader in private health insurance, disability support and health services, reshaping the industry through bold innovation, strategic disruption and trusted partnerships. We deliver great value health insurance and support services to protect, connect and empower you to access healthcare when and where you need.

We have a mission and vision of people enjoying better health. Through our success, we aspire to more prosperous and sustainable communities, helping members and travellers make more informed healthcare decisions and generally live healthier lives.

Diversity, equity and inclusion

We embrace a flexible working environment and welcome candidates who reflect the diversity of the communities in which we operate. We're committed to an environment where everyone has the autonomy and freedom to be their authentic selves, every day. We encourage Aboriginal and Torres Strait Islander peoples, people living with disability, veterans, LGBTQIA+ as well as culturally diverse community members to apply for open roles.