Senior Cyber Security Engineer

Decipher Bureau; Sydney; On-site; AUD 120,000 - 200,000; Full time

Job summary

Decipher Bureau is seeking a Senior Cyber Security Engineer to design, deploy and continuously improve security controls across on-premises, cloud and SaaS platforms. You will own security platforms, automate workflows, and mentor teammates in a regulated environment.

The role emphasizes technical depth, DevOps-style practices, and strong collaboration with stakeholders. Location is Sydney/Melbourne with a strong salary up to $200,000 base plus super and bonus.

Qualifications

• 6+ years' experience in security engineering or related field.
• 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 engineering outcomes.

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 efficiency, consistency and auditability.
• 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.

Skills

Cloud security

Scripting & automation

Security incident response

Stakeholder communication

Mentoring others

Education

Bachelor’s degree or higher

Tools

Netskope

Mimecast

CrowdStrike

SIEM tooling

Job description

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.

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.

Before getting into it

Salary: Up to $200,000 base + super + bonus

Location: Sydney preferred, Melbourne also an option

Process: 2–3 stages

What you’ll do

• 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

What you’ll bring

• 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

Advantageous

• 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

Why apply

• 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