Job Description
Triskele Labs is seeking an experienced offensive security consultant (penetration tester) to join our Offensive Security practice.
We are an Australian-owned and operated cyber security firm delivering sovereign security services to clients across Australia, including managed detection and response, digital forensics and incident response, offensive security, and governance, risk and compliance services.
Our Offensive Security team operates within a CREST-accredited environment, providing clients with confidence that engagements are delivered to recognised industry standards by skilled consultants using mature, repeatable methodologies.
This role is suited to someone who values technical excellence, trusted client relationships, and contributing to a sovereign Australian cyber security capability.
The Offensive Security Consultant will deliver penetration testing engagements end to end, from set-up and information gathering, execution, through to reporting and close-out.
You will test web applications, APIs, mobile applications, thick client applications, internal and external infrastructure, cloud environments, wireless networks, and modern attack surfaces, working to established methodologies and recognised industry frameworks.
You will manage client communication throughout each engagement and produce reports that are accurate, practical, and useful to both technical and executive audiences.
Key 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
Essential Qualifications & Skills
A minimum of two years conducting penetration tests in a consulting or professional services environment, or demonstrable equivalent capability
OSCP certification, or an equivalent hands-on offensive security certification
Demonstrated capability across at least three service streams, such as application testing, infrastructure testing, social engineering, cloud security, offensive security operations, and configuration reviews
Working proficiency with at least one scripting language
Sound technical knowledge of networking, Windows and Linux operating systems, and common enterprise security controls
Strong written communication, with the ability to produce client-ready reports that require minimal revision
Tertiary qualification in information security or a related information technology field, or demonstrable equivalent experience
Full Australian working rights




Willingness to undergo police checks and obtain a security clearance where required
Desirable Qualifications & Skills
Advanced offensive security certifications
CREST Registered Tester (CRT), or the willingness and ability to achieve CRT within twelve months of commencement
Hands-on experience with red teaming, adversary simulation, purple team exercises, source code reviews, and social engineering
Experience with AI tools, AI and LLM security testing, Hardware, OT & IoT Penetration Testing
Tool development, published research, CVEs, conference presentations, or bug bounty and CTF results
Benefits
Team culture is central to Triskele Labs and is one of the reasons we exist.
We are a forward-thinking company that continually looks for ways to strengthen our culture and ensure we remain a destination employer.
We regularly seek feedback from our team on how we can improve the work setting and team member experience at Triskele Labs.
We provide our team with a range of additional benefits, including:
Commitment to training and development
Access to a professional external Employee Assistance Program (EAP)
Social functions organised by our People & Culture Team
Enjoy a brand-new office located in the heart of Melbourne CBD
Access to salary packaging options, novated leasing, and other benefits available through Triskele Labs' employee benefits program
Working Arrangements
Work full-time, Monday to Friday, with hybrid and flexible arrangements.
Out-of-hours work may be required to accommodate client change windows, and interstate travel may be required for onsite engagements

📌 Offensive Security Consultant (New South Wales)
🏢 Triskele Labs
📍 New South Wales