Cyber Security Analyst

Aplus Agency; Adelaide; On-site; AUD 90,000 - 120,000; Full time

Job summary

Operational Systems Pty Ltd (OPSYS) in Adelaide is seeking an experienced Cyber Security Analyst to join its Security Operations Centre. You will perform first-line alert review, triage security events, and assist with investigations alongside senior analysts.

You will review logs, correlate data across sources, and handle Microsoft 365 security alerts while documenting activity per SOC procedures. This role offers growth within a growing SOC capability and exposure to diverse customer

Qualifications

• Tertiary study, vocational training, or industry certification in cyber security, information technology, or a related discipline.
• Sound understanding of core cyber security principles, threat landscapes, network security, and operating systems (Windows/Linux).
• Hands-on exposure to SIEM platforms, log analysis tools, and Microsoft 365 Security environments.
• Analytical mindset with strong problem-solving and attention to detail when reviewing logs and anomalies.
• Excellent written and verbal communication for incident documentation and handovers.
• Team player able to collaborate within a SOC and meet customer SLAs.
• Opportunity for growth within a structured SOC capability pathway.
• Hands-on experience across diverse customer environments and technologies.

Responsibilities

• Alert triage and initial investigation in the SOC, analyzing security events and identifying false positives.
• Escalate confirmed or complex incidents with clear context and documentation per SLAs.
• Review and correlate logs from multiple sources to establish incident context.
• Triage Microsoft 365 security alerts (email threats, suspicious sign-ins).
• Document triage and investigation activity in tickets following SOC playbooks.
• Learn from senior analysts and leads to deepen technical depth and incident handling skills.

Skills

Analytical Mindset

Communication

Team Player

Hands-On Experience

Education

Industry Certification in Cyber Security

Tools

SIEM platforms

Log analysis tools

Microsoft 365 Security

Job description

Adelaide, Australia | Posted on 18/08/2026

A PLUS Agency is working withOperational Systems Pty Ltd (OPSYS) to recruit for an Experienced Cyber Security Analyst.

About OPSYS:

Operational Systems Pty Ltd (OPSYS) is an Australian-owned, enterprise-level managed

IT and cyber security service provider headquartered in Adelaide, South Australia. Born from a commitment to protecting sovereign assets, OPSYS provides round-the-clock security coverage and managed IT services to organisations ranging from growing businesses to critical infrastructure, government, and global enterprises. Driven by a philosophy of being "Secure by Design", our team combines deep technical expertise with advanced detection platforms and a local Security Operations Centre (SOC) to deliver rapid incident response, threat hunting, and managed security solutions.

About the Role

We are seeking a dedicated Cyber Security Analyst to join our Adelaide-based Security

Operations Centre (SOC). In this critical operational role, you will be responsible for first-line alert review and triage within the SOC, assessing incoming security events for validity, severity, and potential customer impact.

Working with Senior Analysts and Cyber Security Lead, you will perform initial investigations, gather log data and context, and ensure complex incidents are escalated efficiently. This role plays a key part in maintaining high service quality, supporting ongoing detection tuning, and protecting our customes' digital environments.

Key Responsibilities

• Alert Triage & Initial Investigation: Perform first-line triage of security alerts within the SIEM platform. Conduct initial log analysis, enrich alerts, identify false positives, and document rationale for alert closure.
  
• Escalation & Handover: Escalate confirmed or complex incidents to Senior Analysts with clear, complete, and well-structured context and documentation in line with SLAs and SOC procedures.
  
• Log Review & Correlation: Review and correlate logs across multiple sources to assist in establishing incident context and verification across diverse customer environments.
  
• Microsoft 365 Alert Handling: Perform initial review and triage of M365 security alerts (email-borne threats, suspicious authentication, account alerts).
  
• Documentation & Process Adherence: Maintain accurate records of triage and investigation activity in ticketing systems while strictly following SOC playbooks and customer-specific procedures.
  
• Continuous Growth: Participate in structured learning and development activities, shadowing Senior Analysts on complex investigations to expand your technical depth.
  

Requirements

• Qualifications (Required): Tertiary Study, Vocational Training, or Industry Certification in Cyber Security, Information Technology, or a related discipline.
  
• Technical Knowledge: Sound understanding of core cyber security principles, threat landscapes, network security, and Operating Systems (Windows/Linux).
  
• Hands-on Exposure: Prior experience or familiarity with SIEM platforms, log analysis tools, and Microsoft 365 Security environments.
  
• Analytical Mindset: Strong problem-solving ability with high attention to detail when investigating logs and anomalous activity.
  
• Communication: Excellent written and verbal communication skills for clear incident documentation and handovers.
  
• Team Player: Ability to work collaboratively within a team environment while adhering to customer SLAs and internal operational standards.
  
• Genuine Career Growth: We are committed to supporting our team members & professional development with clear progression opportunities within our growing SOC capability pathway.
  
• Hands-On Experience: Work across diverse customer environments and technologies using modern detection platforms.
  
• Supportive Environment: Learn directly from experienced Senior Cyber Security Analysts and Leads.