Role Title
Security Engineer

Location
Sydney OR Melbourne

Working Arrangement
Onsite

Clearance required
Applicants must be Australian citizens and hold NV2 or TSPV, with the ability to successfully complete an Organisational Suitability Assessment. For more information regarding security clearances please visit https://www.agsva.gov.au/

Company overview
Our client is a global leader in cloud and digital infrastructure, delivering highly secure, large-scale platforms that support enterprise and government customers. Operating across complex and distributed environments, they provide cutting-edge technology solutions underpinning critical national capability.

The organisation is currently delivering a significant long-term program supporting national security customers, focused on the build and operation of highly secure cloud and data centre environments.

Job Description
We are seeking a Security Engineer to join a highly technical team responsible for protecting critical systems and infrastructure within a complex cloud environment. This is a hands-on engineering role suited to candidates with strong technical depth and real-world experience in security operations, threat detection and incident response.

You will play a key role in identifying and responding to threats, improving detection capability, and embedding security into engineering practices. The environment is cloud-heavy and requires strong understanding of core fundamentals, particularly across networking, DNS and system behaviour.

This role is highly visible and requires strong technical credibility, with a focus on practical capability rather than reliance on specific tools.

Duties and Responsibilities

• Perform security event monitoring, incident management and response
• Investigate and respond to security alerts, acting as an escalation point for complex incidents
• Develop, tune and maintain SIEM detections, dashboards and correlation rules
• Conduct proactive threat hunting across network, endpoint and system data
• Analyse DNS activity and support DNS-focused threat modelling and incident investigations
• Collaborate with engineering and service teams to remediate vulnerabilities and improve security posture
• Support integration and optimisation of security telemetry within SIEM platforms
• Contribute to continuous improvement of security operations processes, including SOPs and runbooks
• Apply security frameworks such as MITRE ATT&CK and NIST in alignment with government standards including ISM and PSPF
• Produce metrics, dashboards and reporting to measure security performance and effectiveness
• Participate in on-call activities outside standard business hours

Knowledge/Skills required

• Minimum 3+ years experience in a SOC Analyst or defensive cyber role
• Strong hands-on experience with SIEM platforms such as Splunk, Sentinel or similar
• Proven capability in incident response, threat detection and security monitoring
• Strong understanding of core networking concepts and protocols including HTTP, DNS and TCP/IP
• Demonstrated experience applying threat modelling in practical scenarios
• Excellent analytical, problem-solving and communication skills
• Ability to operate in a highly technical, fast-paced environment

Desirable:

• Experience in high-security or government environments
• Knowledge across key security domains such as cryptography, identity and access management and application security
• Exposure to cloud-based environments
• Strong understanding of OSI model and network fundamentals
• Experience identifying and responding to advanced persistent threats

Employment benefits

• Competitive total compensation package including base salary, bonus and equity
• Opportunity to work on a large-scale, long-term national security program
• Access to structured training and industry certifications
• Mentorship and strong career development pathways
• Exposure to complex, large-scale cloud and security environments
• Flexible working arrangements supporting work-life balance
• Opportunities to participate in advanced internal training and security exercises

Diversity and Inclusion:
We value diversity and are committed to creating an inclusive environment for all employees.
Veterans:
Defence and Federal Government industry experience is highly desirable We strong encourage veterans and individuals with Defence experience to apply. Your unique skills and background are highly valued, and we are committed to supporting your transition into this role.
About Cleared:
At Cleared, we provide tailored recruitment solutions to individuals seeking their next opportunity and to organisations searching for talent within Defence Industry, Intelligence and National Security.