DevSecOps Engineer — Secure CI/CD & Incident Response

Silentium Defence; City of Salisbury; On-site; AUD 120,000 - 160,000; Full time

Job summary

Silentium Defence, based in South Australia, is seeking an experienced DevSecOps Engineer to fortify secure software delivery. You will work across engineering and operations to embed security into every phase, automate infrastructure, and enhance threat detection and response capabilities.

The role emphasizes secure CI/CD practices, network security, and collaboration to protect critical defence and government projects.

Qualifications

• Degree in Computer Science, Engineering, Cyber Security or related field.
• Excellent communication and collaboration skills.
• Experience in a DevSecOps or similar role.
• Knowledge of cyber security principles, vulnerabilities and threats, or desire to learn.
• Experience with networking infrastructure and security best practice.
• Proficiency in scripting and automation tools such as Python, Bash, Terraform or Ansible.
• Experience with SAST, DAST, SCA and vulnerability scanning tools.

Responsibilities

• Build and maintain secure, automated CI/CD pipelines and infrastructure using Terraform and Ansible on development networks.
• Embed security practices across the software development lifecycle, from design through deployment and monitoring.
• Strengthen and maintain network security, access controls, encryption and data protection per ISM.
• Implement security testing, vulnerability scanning, monitoring and alerting across environments.
• Support secure releases through threat modelling, code reviews and vulnerability management.
• Lead incident response, remediation and continuous security improvement.
• Promote practical security knowledge and collaboration across technical teams.

Skills

CI/CD

Security engineering

Incident response

Automation scripting

Networking security

Education

Bachelor's degree in Computer Science, Engineering, Cyber Security

Tools

Terraform

Ansible

SAST/DAST/SCA tools

Vulnerability scanning tools

Job description

Silentium Defence, based in South Australia, is seeking an experienced DevSecOps Engineer to fortify secure software delivery. You will work across engineering and operations to embed security into every phase, automate infrastructure, and enhance threat detection and response capabilities.

The role emphasizes secure CI/CD practices, network security, and collaboration to protect critical defence and government projects.