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Orro Group

Cyber Security Analyst

Orro Group

. Investigate SIEM events and own incident response from triage through escalation to resolution .

Posted 11/11/2026full-timeSydney • AustraliaMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in incident response and detection rule tuning within enterprise-scale security operations, leveraging tools like Microsoft Sentinel, SentinelOne, and Splunk. Possesses strong analytical skills to assess risks and communicate technical details effectively to diverse audiences.

Highest-signal resume keywords
Incident ResponseDetection Rule TuningMicrosoft SentinelSIEM ToolsMITRE ATT&CK

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Incident ResponseDetection Rule TuningSIEMXDREDRMicrosoft SentinelSplunkLinuxUnixVulnerability Management
Soft Skills
CommunicationCollaborationAnalytical Thinking
Tools & Technologies
Microsoft SentinelSentinelOneSplunkRapid7TenableQualys
Certifications & Qualifications
SC-200Blue Team Level 1Blue Team Level 2SANS Incident ResponderGIAC GCDA
Industry Keywords
Security OperationsPhishing AnalysisLogging GapsNISTISO 27000

Tech Stack

Tools & technologies
CloudLinuxSplunkUnix

About the role

Key responsibilities & impact
  • Investigate SIEM events and own incident response from triage through escalation to resolution
  • Analyse phishing activity, suspicious domains and IP addresses to identify genuine risk
  • Author reliable detections for defined behaviours across Microsoft Sentinel, SentinelOne and Splunk
  • Apply thresholds, aggregation and suppression to detection rules
  • Tune routine rules to reduce false positives without losing true positives
  • Document the rationale behind detection rules
  • Build detections aimed at each customer's stated risks and most critical assets
  • Explain detection logic in business terms
  • Audit customer logging against intended coverage
  • Identify concrete logging gaps and explain their impact
  • Work across daily operations, detection and continuous improvement for a broad customer base
  • Collaborate with fellow analysts, threat hunters and customer stakeholders remotely and onsite

Requirements

What you’ll need
  • 3 or more years in an enterprise-scale security operations environment, including hands-on incident response
  • Hands-on experience with modern detection and response tooling, including SIEM, XDR and EDR
  • Experience writing or tuning detection rules in Microsoft Sentinel, SentinelOne or Splunk, using their query languages
  • Solid grounding in Microsoft security technologies
  • Confidence working across Linux or Unix environments
  • Working knowledge of MITRE ATT&CK, NIST and ISO 27000
  • Ability to explain technical detail to technical and non-technical audiences
  • Current certifications such as SC-200, Blue Team Level 1 or 2, SANS Incident Responder or GIAC GCDA are bonus points
  • Broad understanding of cloud, networking and firewall technologies is a bonus
  • Experience with vulnerability management tooling such as Rapid7, Tenable or Qualys is a bonus
  • Unrestricted right to work in Australia
  • Applicants must undergo state and federal police background checks
  • Visa sponsorship is not available

Benefits

Comp & perks
  • Competitive base salary plus superannuation
  • Benefits
  • Public holiday swaps supporting family and cultural diversity
  • Generous parental and caregiver leave
  • Flexible work options
  • Company-wide mentoring
  • Emerging Leaders Development Program
  • 3 days of paid volunteer leave each year
  • Novated leasing
  • Employee discounts
  • Full access to a wellbeing platform with expert fitness plans, nutrition tips, and wellness tools