Penetration Tester — Offensive Security (Hybrid)

Triskele Labs; Australia; Hybrid; AUD 90,000 - 150,000; Full time

Benefits offered by this job

Training and development

Employee Assistance Program (EAP)

Social functions organized by People &

Brand-new office in Melbourne CBD

Salary packaging options and novatedLe

Job summary

Triskele Labs seeks an experienced Offensive Security Consultant to deliver end-to-end penetration testing across web, mobile, APIs, and infrastructure within a CREST-accredited environment. You will manage client communications, craft client-ready reports, and contribute to improving testing methodologies.

The role emphasizes technical excellence, trusted client relationships, and strengthening Australia’s sovereign cyber security capability, with hybrid working arrangements and opportunities

Qualifications

• Minimum of two years conducting penetration tests in a consulting or professional services environment.
• OSCP certification, or an equivalent hands-on offensive security certification.
• Experience across at least three service streams, such as application testing, infrastructure testing, cloud security, and social engineering.
• Working proficiency with at least one scripting language.
• Sound knowledge of networking, Windows and Linux operating systems, and common enterprise security controls.
• Strong written communication for client-ready reports.
• Tertiary qualification in information security or related IT field.
• Full Australian working rights.
• Willingness to undergo police checks and obtain security clearance where required.

Responsibilities

• Execute penetration tests across web, mobile, thick client applications and APIs, internal and external infrastructure, cloud environments, AI/LLM systems, and wireless networks.
• Contribute to red team, purple team, adversary simulation, and social engineering engagements.
• Produce comprehensive engagement reports detailing vulnerabilities, impact, technical detail, risk ratings, remediation complexity, and recommendations.
• Contribute to the continual improvement of testing methodologies, standard operating procedures, and internal tooling.
• Maintain current knowledge of security threats, tooling, standards, and frameworks.

Skills

OSCP certification

Scripting

Penetration testing

Report writing

Networking knowledge

Education

Tertiary qualification in information security

Job description

Triskele Labs seeks an experienced Offensive Security Consultant to deliver end-to-end penetration testing across web, mobile, APIs, and infrastructure within a CREST-accredited environment. You will manage client communications, craft client-ready reports, and contribute to improving testing methodologies.

The role emphasizes technical excellence, trusted client relationships, and strengthening Australia’s sovereign cyber security capability, with hybrid working arrangements and opportunities