ThreatDefence is a fast-growing Australian cybersecurity vendor, delivering best-in-class threat detection and response services to a global market. We are looking for a Technical Support Engineer to join our security operations team and support both local and international customers. In this role, you will be part of the ThreatDefence team, ensuring seamless service delivery and uninterrupted cybersecurity operations.

The ideal candidate will have a strong passion for cybersecurity technology, excellent analytical and troubleshooting skills, and a solid technical foundation.

Responsibilities

Responding to customer requests and managing service provisioning

Providing support to other engineering teams

Managing and administering Linux environments, including installation, configuration, and testing

Ensuring system uptime through monitoring and incident response

Diagnosing and troubleshooting technical issues and performance problems

Maintaining technical system documentation.

Ideal Candidate Profile

Strong passion for cybersecurity technology, with knowledge of OS and network security, modern security threats, and security data analysis

Hands-on technologist with working knowledge of Linux operating systems (essential)

Basic scripting skills (Bash, Python)

Experience with monitoring platforms (Zabbix, Grafana, Prometheus)

Understanding of IP network fundamentals (IP, DNS, routing, firewalls, load balancing)

Good grasp of cybersecurity principles, including access control, security protocols, vulnerability management, and incident response

Strong technical ability to resolve complex incidents and problems

Effective written and verbal communication skills.

Qualifications & Experience

1-2 years of relevant IT experience

OR hands-on experience from a home sysadmin lab (Linux, networking, scripting, Windows)

If you are passionate about cybersecurity, enjoy working with Linux, and have a strong understanding of OS and networking concepts, we encourage you to apply!