Lead Systems Engineer

Lead Systems Engineer - Linux Platform & Security Architecture

📍 Canberra, ACT (On-site)
🔒 NV2 Clearance Required
📄 Permanent Opportunity

The Opportunity We're looking for a senior Lead Systems Engineer to own the design, security, and operational performance of critical Linux platforms in a highly secure environment.

This is a hands-on leadership role focused on:

• Linux platform architecture
• Security hardening & compliance
• Infrastructure lifecycle management
• Reliability & operational excellence

You'll be the technical authority for Linux platforms, working closely with Kubernetes engineers and stakeholders to deliver secure, resilient, mission-critical infrastructure.

What You'll Be Doing
Architecture & Platform Ownership

• Lead the design and evolution of Linux-based infrastructure
• Define platform standards, operating system baselines, and lifecycle strategies
• Make key architectural decisions across secure on-premises environments
• Drive continuous improvement and platform modernisation

Security & Compliance

• Lead Linux hardening initiatives aligned to the Essential Eight
• Manage patching, privileged access controls, backups, and secure configurations
• Ensure infrastructure remains compliant, auditable, and resilient
• Champion security best practices across the platform

Operations & Reliability

• Oversee system build, release, maintenance, and decommissioning activities
• Lead troubleshooting for complex infrastructure incidents
• Establish standards for change control, documentation, and operational readiness
• Improve platform performance, stability, and availability

Leadership & Collaboration

• Mentor engineers and promote engineering excellence
• Work closely with Kubernetes and platform engineering teams
• Provide expert technical guidance to stakeholders and leadership
• Support secure identity and access solutions across Linux environments

What You'll Bring
Essential

• Extensive experience managing and architecting Linux platforms
• Strong background in infrastructure security and system hardening
• Experience working in secure, regulated, or mission-critical environments
• Expertise in platform lifecycle management and operational support
• Scripting and automation skills (Bash and/or Python)
• Ability to lead technical direction and influence engineering outcomes

Desirable

• Windows Server and Active Directory exposure
• Identity and access management experience
• Kubernetes or platform engineering experience
• Defence or Government sector experience

Why Apply?

• Own and shape critical Linux infrastructure
• Work within a highly secure, mission-focused environment
• Influence architecture, security, and platform strategy
• Join a team that values technical leadership and engineering excellence

Apply Now
Submit your resume to apply.

For a confidential discussion, contact:
Katrina Gabriel
📞 0489 923 756
✉️ katrinag@whizdom.com.au

Australian Citizenship and an active NV2 Security Clearance are essential.

Candidates will need to be willing to undergo pre-employment screening checks which may include, ID and work rights, security clearance verification and any other client requested checks.