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Senior Cyber Security EngineerDecipher Bureau · Sydney, New South Wales, Australia
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Decipher Bureau

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Senior Cyber Security Engineer

🗓️ Posted 2026-09-22 Sydney, New South Wales, Australia Full-time Hybrid ICT
💰 Salary Not shared 📊 Market A$10,833–A$15,000/mo

About the Company

Our client is a well-established Australian business in a heavily regulated sector, with continued investment in its cyber security capability. They're hiring a Senior Cyber Security Engineer to take on the hands-on delivery, integration and continuous improvement of security controls across their on-premises, cloud and SaaS environments.

About the Role

You'll be a senior technical contributor within the Security Engineering team, working across complex security challenges and helping shape engineering standards and solutions. The role is hands-on, with a focus on technical depth, automation and solving complex problems, while also supporting and sharing knowledge with the wider team. Salary: Up to 200,000 base + super + bonus Location: Sydney preferred, Melbourne also an option

Responsibilities

  • ● Design, build, configure, test and deploy security controls across on-premises, cloud and SaaS environments
  • ● Own and optimise assigned security platforms, including architecture, configuration, tuning, lifecycle and vendor management
  • ● Design, review and govern network security policies, including firewall rules, segmentation and secure connectivity
  • ● Apply scripting, workflow automation, APIs and DevOps-style practices to improve the efficiency, consistency and auditability of security engineering work
  • ● Manage SIEM/log onboarding, tune detection use cases and alert logic, and support vulnerability remediation across technology teams
  • ● Provide secondary/backup support for identity and access management (IDAM) and privileged access management (PAM)
  • ● Share technical expertise and mentor other engineers, and contribute to architecture and governance forums

Requirements

  • ● 6+ years' experience in security engineering, cloud/security platform engineering or infrastructure security, including handling complex, ambiguous problems independently
  • ● Hands-on experience across four or more of: SASE/network security, firewall and network security policy, email security, EDR, SIEM/security monitoring, cloud/SaaS security, vulnerability remediation
  • ● Experience with scripting, APIs or workflow automation (e.g. PowerShell, Python, Power Automate, Logic Apps)
  • ● Ability to work effectively in a regulated environment, translating policy, risk and audit requirements into practical, evidenced engineering outcomes
  • ● Excellent communication skills, confident engaging with stakeholders at varying levels of seniority
  • ● Demonstrated experience mentoring or guiding other engineers
  • ● Relevant tertiary qualifications or equivalent practical experience
  • ● Hands-on experience with platforms such as Netskope, Mimecast, CrowdStrike, or SIEM/vulnerability management tooling
  • ● Experience securing Microsoft Azure and/or AWS environments
  • ● Industry certifications such as CISSP, CISM, CCSP, AZ-500, SC-200, GSEC, CEH or OSCP
  • ● Experience identifying practical automation or AI-enabled use cases for security engineering
  • ● Hands-on technical role with real depth and autonomy.
  • ● Work across the full security stack: network, cloud, SaaS, SIEM and endpoint
  • ● Flexible, inclusive workplace
  • ● Strong investment in Security, with budget allocated for continued growth
  • ● Click Apply or send your CV for a 100% confidential, informal conversation.
  • ● [email protected]