In-Demand Cloud security incident response Jobs in Parramatta, Nsw

Senior Incident Responder
Optus —Sydney NSW
- On call
- Communication skills
- Parental leave
- Employee discount
23h
Cyber Defense Incident Responder
EY —Sydney NSW
- On call
- Azure
- Management
- Computer Science
- Parental leave
3d
Cyber Security Analyst
Thales —Rydalmere NSW
- Full-time
- Hybrid work
- Microsoft Office
- Analysis skills
- Profit sharing
- Health insurance
Security Operations Centre Specialist
Optus —Macquarie Park NSW
- Azure
- AWS
- Analysis skills
- Parental leave
- Employee discount
8d
Assessment and Authorisation- AU Citizen with Security Clearance
Accenture —Sydney NSW
- Full-time
- Education
- Bachelor's degree
- No degree
- On-the-job training
- Parental leave
Security Architect - Cloud and AI
Deloitte —Sydney NSW
- Azure
- AWS
- AI
- Parental leave
14d
Information Security Program Manager
Fisher Investments Europe —Sydney NSW
- Full-time
- Hybrid work
- Office
- In-person
- Dental insurance
- Annual leave
1h
Senior Cyber Security Engineer
IPP Technologies Pty Ltd —Parramatta NSW
- Up to $800 a day
- Full-time
- Hybrid work
- Analysis skills
- Financial services
Quick Apply
4d
Senior Cloud Network Engineer
HUB24 —Sydney NSW
- Full-time
- Azure
- DevOps
- AWS
Security Engineer (SaaS)
CreditorWatch —Sydney NSW
- Full-time
- Hybrid work
- AWS
- APIs
- AI
- Gym membership
Quick Apply
Cyber Security Systems Engineer
Office of Sport —Sydney NSW
- $116,981 - $129,492 a year
- Full-time
- No degree
- Communication skills
- Employee assistance program
7d
Cyber Security Engineer
Orro Pty Ltd —Sydney NSW
- Hybrid work
- Azure
- Scripting
- Communication skills
- Parental leave
- Employee discount
Cloud Site Reliability Engineer
Australian Payments Plus —Sydney NSW
- Full-time
- Hybrid work
- AWS
Quick Apply
1d
Cyber Security Engineering Lead
AC3 —Sydney NSW
- $140,000 - $160,000 a year
- Full-time
- Azure
- Management
- AWS
Quick Apply
Infrastructure & Systems Engineer
West HQ —Rooty Hill NSW
- PMP
- Employee discount
- Gym membership
AWS Security Engineer
Accenture —Sydney NSW
- Full-time
- AWS
- APIs
- On-the-job training
- Parental leave
Senior Information AI Security Engineer
Westpac Group —Sydney NSW
- Full-time
- Software development
- AI
- Communication skills
Senior Security Technical Program Manager, AWS Security
Amazon Web Services Australia Pty Ltd —Sydney NSW
- Full-time
- Management
- AWS
- Leadership
Senior Cyber Security Engineer
Universal Music Group —Sydney NSW
- Weekend availability
- Azure
- Research
- Administrative experience
Staff Product Security Engineer
Airwallex —Sydney NSW
- Full-time
- Google Suite
- Computer Science
- Salesforce

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Senior Incident Responder

Optus -
Sydney NSW

Apply Now

Job Details

23 hours ago

Benefits

Onsite gym
Parental leave
Employee discount

Qualifications

Incident response
SIEM
Cybersecurity
Communication skills
GCIH

Full Job Description

Date: 3 Sept 2026

Location: Sydney, Australia

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Company: Singtel Group

Optus is a leading Telecommunications company known for delivering innovative solutions to its customers, disrupting the industry, and evolving as a technology company with a diverse portfolio of products and services. As cyber threats continue to evolve, protecting our customers, people, and business remains a critical priority.

We're looking for a Senior Incident Responder to join our Cyber Defence Operations team. This is an exceptional opportunity to play a leading role in defending one of Australia's largest and most complex technology environments, driving incident response outcomes and enhancing our cyber resilience.

What You'll Do

Partnering closely with the Director, Incident Response & Readiness and key stakeholders across Optus, you will be responsible for:

Leading the response to major cyber security incidents, acting as incident commander across complex, multi-team investigations and recovery efforts.
Directing containment, eradication, and recovery activities while ensuring clear coordination across technical teams and business stakeholders.
Performing advanced digital forensic investigations across host, memory, network, identity, and cloud environments.
Owning communications throughout significant incidents, providing clear and actionable updates to leadership, legal, and impacted business teams.
Acting as the primary escalation point for Incident Responders on complex, sensitive, or high-impact security events.
Maintaining investigative excellence by reviewing casework, forensic methodologies, and evidence handling practices.
Leading cyber readiness activities, including simulation exercises, incident reviews, and capability uplift initiatives.
Driving continuous improvement across incident response tooling, automation, procedures, and playbooks.
Participating in the 24x7 on-call roster as a senior escalation point and incident commander for high-priority events.

What You'll Bring
Extensive experience in cyber incident response, digital forensics, and security operations within large or complex environments.
Proven experience leading or commanding major cyber security incidents involving multiple stakeholders and technical domains.
Deep expertise in forensic investigations across endpoints, memory, networks, identities, and cloud platforms.
Strong understanding of evidence handling, investigative methodologies, and regulatory or legal requirements.
Experience using SIEM, XDR, EDR, and log analysis tools to investigate and respond to sophisticated threats.
Strong scripting and analytical capabilities to support large-scale investigations and threat analysis.
Excellent communication skills with the ability to engage technical teams, executives, legal stakeholders, and external partners.
Calm, decisive leadership under pressure and a track record of delivering successful outcomes during high-impact incidents.
Relevant qualifications in Cyber Security, Digital Forensics, Computer Science, or a related discipline. Industry certifications such as GCFA, GREM, GNFA, or GCIH will be highly regarded.

The Good Stuff...
Competitive remuneration and employee discounts. Make life easier (and more affordable) with $80 monthly credit and 25% off Optus products and unique shopping discounts with our retail partners.
Flexible working arrangements with opportunities to work three days in the office, two days remote or home.
Vibrant and collaborative office campus that includes cafes, convenience store, chill out zones, GP, post office, gym and on-site childcare centre.
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.
Direct your own development and build future-ready skills with Optus U's industry-focused micro-credentials, developed with La Trobe and Macquarie Universities.
Build meaningful connections through employee-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.

If you require adjustments or accessibility support to participate fairly and equitably in the recruitment process, please email [email protected] or call 1800 309 170. We're here to help.

Apply Now

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cloud security incident response jobs in parramatta, nsw

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