Senior Offensive Security Engineer

Mantel; Sydney; Hybrid; AUD 130,000 - 180,000; Full time

Benefits offered by this job

Phone provided

Laptop provided

My Deal program

Family Inclusive Workplace

AI Gateway access

Flexible personal leave

Job summary

Mantel is an Australian-owned IT Professional Services consultancy delivering offensive security consulting to enterprise clients. You will perform high quality, technically advanced penetration tests against client systems including web applications, networks, cloud environments, and specialised technologies across various industries.

You will support client engagements, manage stakeholder relationships, and deliver clear, actionable security findings with strong written and verbal

Qualifications

• Experience running multiple types (network/web/mobile) of penetration tests for customers.
• Foundational understanding of networking, operating systems, and common web application security principles.
• Ability to review and understand application source code to identify security issues in business logic, authentication and authorisation, input handling, and data processing.
• Excellent written and verbal communication skills, with the ability to explain technical concepts to both technical and non-technical audiences.

Responsibilities

• Supporting both large scale and targeted penetration testing projects for enterprise customers.
• Conduct penetration tests on client applications (web/mobile/desktop), networks and systems to identify vulnerabilities and weaknesses.
• Work on a mix of blackbox, greybox and whitebox source code assisted penetration tests.
• Perform vulnerability assessments using various tools and techniques, then document findings and suggest remediation actions.
• Contribute to detailed reports that summarise findings, prioritise risks, and provide actionable recommendations for improving security.
• Communicate findings to clients in both technical, and clear non-technical manners and work with them to understand security requirements and potential impacts.
• Provide offensive security experience and recommendations across a wide range of technologies and solutions, including conducting security reviews.
• Stay current with the latest vulnerabilities, exploits, and cybersecurity trends. Contribute to the team’s continuous improvement efforts by researching new tools and methodologies

Skills

Penetration testing

Network security

Web application security

Clear communication

Analytical thinking

Tools

Burp Suite

Metasploit

Nmap

Job description

Mantel is an Australian-owned IT Professional Services consultancy delivering offensive security consulting to enterprise clients. You will perform high quality, technically advanced penetration tests against client systems including web applications, networks, cloud environments, and specialised technologies across various industries.

You will support client engagements, manage stakeholder relationships, and deliver clear, actionable security findings with strong written and verbal