Cyber Security Analyst (Australia)

STACK Infrastructure builds, owns, and operates hyperscale and colocation data centers that power the world’s most ambitious technology companies. With a rapidly expanding footprint across APAC, STACK combines deep development expertise, flexible capital, and operational discipline to deliver critical digital infrastructure at scale.

Our clients include the largest hyperscale cloud platforms. We are building a regional platform defined by speed of delivery, power reliability, and long-term partnership — and we are assembling the team to lead that effort.

The Position

We are seeking a Cyber Security Analyst with 2-4 years of experience in an enterprise environment to support day-to-day cyber security operations across our APAC business.

This role plays an integral part in maintaining the organisation's security posture by supporting daily cyber security operations across vulnerability management, endpoint and email security, identity protection, security monitoring, and other operational security functions.

The successful candidate will work closely with the Security Engineer and IT team to maintain a secure, resilient, and compliant technology environment that aligns with ISO 27001 and SOC 2 Type II requirements, while contributing to the continuous improvement of the organisation's overall cyber security posture.

Areas Of Responsibility

• Monitor and triage security alerts, investigate potential threats, and escalate incidents where required.
• Support vulnerability management by validating findings, tracking remediation, and coordinating with system owners.
• Assist with endpoint, identity, email, and network security operations to maintain a secure enterprise environment.
• Perform routine security health checks and verify the effectiveness of security controls.
• Support incident response through evidence collection, documentation, and remediation coordination.
• Work with IT/OT teams to investigate, remediate, and verify security issues and vulnerabilities.
• Review phishing reports and other user-reported security events.
• Maintain security documentation, procedures, operational records, and knowledge articles.
• Support security awareness initiatives and compliance activities, including audit evidence collection.
• Contribute to operational reporting, continuous improvement initiatives, and other cyber security projects as required.

• 2–4 years of experience in a Security Analyst or similar cyber security role within an enterprise environment.
• Practical experience across vulnerability management, endpoint security, identity and access management, security monitoring, and incident response.
• Familiarity with enterprise security technologies, including EDR/XDR, SIEM, vulnerability management, email security, IAM, and network security.
• Good understanding of Windows and Linux/Unix environments, enterprise identity services, and cloud-based productivity platforms, with the ability to troubleshoot and support security-related issues.
• Ability to investigate security alerts, analyses logs, document findings, and support remediation activities.
• Strong analytical, troubleshooting, and problem-solving skills with excellent attention to detail.
• Well-organised, self-motivated, and able to manage multiple priorities in a fast-paced environment.
• Effective written and verbal communication skills, with the ability to work collaboratively and explain technical concepts to both technical and non-technical stakeholders.

• Experience with PowerShell or other scripting languages to automate routine administrative or security tasks.
• Working knowledge of information security frameworks and standards such as ISO 27001, SOC 2, NIST Cyber Security Framework, or CIS Controls.
• Industry certifications such as CompTIA Security+, Microsoft Security certifications, ISC2 Certified in Cyber Security (CC), SSCP, or equivalent.
• Experience supporting security operations in cloud or hybrid enterprise environments.

STACK provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

Reasonable accommodations may be made to enable individuals with disabilities to perform these essential functions.