Senior Security Engineer

Senior Security Engineer - (Foundational Hire) Permanent | Sydney Only | Hybrid Working Competitive salary package (negotiable) + sign-on bonus + relocation support The Company We're partnering with a leading global financial services organisation with a significant technology footprint and a highly engineering-led culture. The security function is responsible for protecting the firm's technology platforms, operational environments, and critical data assets. The Sydney team is continuing to grow as part of a global follow-the-sun security model, working closely with international engineering and security teams. The Role This is a foundational hire - you'll be the first person within the cyber engineering capability in Sydney, helping to build out the team's technical capability from the ground up. It's a genuine opportunity to shape how the function operates locally and to grow with the team as it scales. We're looking for a generalist who can work confidently across multiple tools, platforms, and problem types - someone who brings broad exposure across security domains rather than deep expertise in just one. What Matters Most: Attitude, Then Aptitude We're prioritising attitude and ownership over ticking every technology box. If you haven't worked with a specific platform before, that's fine - what matters is your willingness to dig in, read the white paper, and figure it out. We're looking for someone who: Takes end-to-end ownership of technical componentsIs proactive and gets things done without needing to be chasedCan learn on the job and pick up new tools and concepts quickly Technical proficiency still matters - this isn't a trade-off against attitude, both count - but we're not expecting mastery of every tool in the stack from day one. Key Responsibilities Act as a hands-on generalist across the security platform and tooling landscape, including network security, identity, endpoint, and cloud security domainsMaintain visibility and observability across the security platforms and solutions deployed across the environmentEngage directly with business and technical stakeholders to solve problems pragmatically - security that enables the business, not one that slows it downProcess security-related tickets and change requests, remediate vulnerabilities, and tune controls to balance protection with usabilitySupport and contribute to identity platforms, including SSO/IAM technologiesContribute to the rollout of new security controls with a focus on operability, observability, and long-term maintainabilityCollaborate with the global team as part of a follow-the-sun security model Experience & Background 5+ years’ experience in security engineering or infrastructure security.Strong hands-on experience across network security, identity, endpoint, and cloud security domains.Deep experience with network security technologies including firewalls, proxies, and SASE platforms.Experience with Okta or equivalent IAM/SSO technologies.Infrastructure-as-Code (IaC) and platform engineering experience highly regarded.Strong troubleshooting capability across hybrid infrastructure environments.Programming or scripting capability for automation and operational tooling. Why Join? A genuine opportunity to build a capability from the ground up as the first cyber engineering hire in SydneyCompetitive package including base + super + sign-on bonus + performance bonus + additional allowances (Over $200k Salary Mark)Access to leading AI, cloud, and security tooling in a mature engineering environmentA culture that values broad capability, curiosity, and ownership over narrow specialisationMinimal bureaucracy and genuine autonomy to shape how the role and the team evolveInternational onboarding and collaboration opportunities across global offices How to Apply Click Apply or send your CV to jasmine@decipherbureau.com for a 100% confidential, informal conversation. Your privacy will be fully respected.