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Senior Security Engineer - Defence

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Senior Security Engineer - Defence in Others

  • Auckland, New Zealand

Responsibilities

  • Design, build, and operate production security capabilities and services.
  • Develop detection, monitoring, and response workflows across SIEM, SOAR, EDR, and cloud security platforms.
  • Automate security operations to reduce manual work and accelerate threat response.
  • Measure detection coverage, control effectiveness, and operational reliability.
  • Explore safe and valuable applications of automation and AI in security engineering.
  • Lead complex technical initiatives and influence engineering direction across Security Defence and the wider Security team.
  • Collaborate with Security Operations, Security Response, CX, Product, and Engineering teams.

Requirements

  • Hands-on experience designing, building, and operating production security capabilities or services.
  • Programming or scripting skills, ideally in Python, with sound software engineering practices.
  • Strong knowledge of security monitoring, detection, threat intelligence, incident response, and automation.
  • Experience with SIEM, SOAR, EDR, or cloud security platforms.
  • Experience working in cloud environments, particularly AWS, including cloud logging, identity, networking, and security services.
  • Understanding of adversary behaviors and frameworks such as MITRE ATT&CK.
  • Ability to measure detection coverage and control effectiveness.
  • Experience leading complex technical initiatives and influencing outcomes without formal authority.
  • Ability to clearly explain technical risks and trade-offs.

Benefits

  • Hybrid working model based in Auckland or Wellington, with flexibility to work from home.
  • Connection with colleagues in modern office spaces during designated boost days.
  • Global scope of work and collaboration across the wider Security team.

Xero

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