Cyber Security Engineer
2 weeks ago
Cyber Security Engineer - Defence Sector | Linux
Posted: 01/09/2025
Overview
Support defence cyber operations in high-trust environments. Harden Linux systems to CIS benchmarks. Conduct forensic investigations and vulnerability analysis.
Responsibilities
- Lead the detection and triage of threats within defence networks.
- Harden systems and services against intrusion using best-practice security models.
- Write automation scripts (Bash/Python) for response playbooks and compliance.
- Deploy and maintain firewall configurations across hybrid environments.
- Perform forensic log analysis and vulnerability assessments.
- Ensure environments remain compliant with ACSC Essential Eight and NIST.
Core Linux Skills
- Deep command-line expertise (grep, awk, sed, tcpdump).
- Secure configuration of services and logging systems.
- Firewall lockdown and secure rule creation.
- Automated patch deployment across multiple workloads.
What You Will Bring
- NV1 clearance (active or previously held).
- Strong Linux administration and hardening background.
- Familiarity with SIEM and EDR tools (Splunk, Vision One).
- Proficiency in Bash and Python scripting.
- Experience working under defence or regulated frameworks.
- Desirable certifications: OSCP, GCFA, GCIH, Security+.
Why This Job?
Based in Newcastle, this role gives you a pathway into Australia’s defence and critical infrastructure programs. You’ll harden systems against advanced threats while building long-term expertise in classified environments. NV1 clearance essential. Hybrid role with Linux-first responsibilities to defend defence networks.
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