Senior Security Engineer

Senior Security Engineer - Penetration Testing At SEEK, we serve a noble purpose: to help people live more fulfilling and productive working lives and to help organisations succeed. By joining us, you’ll be part of a multi‑national technology business with a start‑up working culture that focuses on collaborative values and dynamic cultures. We’re one of Asia Pacific’s largest tech companies, helping millions across the region solve high‑impact problems. We offer a fast‑growing environment with innovation, investment in responsible AI, and opportunities for career development. Job Description About the role As a Senior Security Engineer at SEEK, you will lead complex penetration testing engagements, mentor junior team members, and identify advanced vulnerabilities and exploits across networks, operating systems, and applications. You will report to the Head of Offensive Security and collaborate with the offensive security team on various projects. Responsibilities Manage full‑scope testing projects, from planning to execution, reporting, and presenting findings. Conduct comprehensive iOS mobile application penetration testing. Perform advanced exploitation techniques. Participate in red team exercises. Streamline processes with automation tools where possible. Contribute to a high‑performing culture, encouraging knowledge sharing and professional growth. Contribute to quality assurance and technical review on findings. Write high‑level reports, including executive summaries. Communicate and manage stakeholders to articulate complex concepts effectively. Identify novel attacks and vulnerabilities affecting the software stacks used at SEEK. Mentor junior penetration testers and improve testing methodologies. Qualifications Skills and experience Essential Qualifications, Skills, and Experience 5–7 years working in an offensive security role. Well versed in web application and API security. Advanced skills in Burp Suite, Metasploit, and various exploitation frameworks. Familiar with advanced exploit writing techniques. Proficient in at least one programming language (Typescript, JavaScript). Basic proficiency in databases and Linux/Windows/system administration. OSCP/GPEN/Crest CCT. Other Qualifications, Skills and Experience iOS mobile penetration testing experience. Proficient with software development tools (git, vscode, etc.). Experience with secure or offensive code review preferred. Published research, exploits, and vulnerabilities (CVEs). Excellent communication skills. Perks and benefits Support of flexible working, including a mix of office and work‑from‑home days depending on your role. Commitment to preparing for the impacts of climate change and the transition to a low‑carbon future. Opportunity to work from anywhere for up to 4 weeks per financial year. Frequent events including sports days, year‑end party, hackathon, and trivia. Casual dress every day. At SEEK, we are passionate about fostering a culture of inclusion and wellbeing that embraces and values the diversity of our people. We welcome applications from people with diverse backgrounds and life experiences, especially regarding gender, sexual identity, culture, faith, disability, and life stages. If you have the skills, curiosity, and an adaptable mindset but don’t meet every responsibility or qualification listed, please still get in touch. If you require any specific support or adjustments throughout the recruitment process and beyond, please advise us and we will be happy to assist. For this role, only those with eligible right to work will be considered. SEEK kindly requests no unsolicited resumes or approaches from recruitment agencies and will not be responsible for any associated fees. #J-18808-Ljbffr