Cyber Security Engineer

About One New Zealand

At One New Zealand, we are committed to building the future by creating a better-connected Aotearoa New Zealand. Our ambition is to become the world's most AI-enabled telecommunications company. We are deeply invested in our people’s growth and leadership, offering access to an AI School, world-class learning platforms, and evolving career pathways that nurture curiosity and accelerate skill development.

Join us to be part of a meaningful journey to connect with purpose and redefine possibilities. We believe that people are the greatest asset and stand to uplift, support, and elevate one another.

Your Role as Cyber Security Engineer

In this position, you will play a crucial role in supporting the daily cyber security operations safeguarding One NZ from digital threats. Your responsibilities include implementing and managing security controls across vital platforms and digital assets, maintaining sound security practices, lifecycle management, and continually assessing system security status. Collaborating closely with the broader cyber security team, you will ensure security protocols, tools, and services’ effectiveness and continuous enhancement throughout the organisation.

Key Responsibilities

• Implement and maintain robust security measures supporting a secure and resilient cyber environment.
• Oversee and monitor security event logs for critical assets to identify threats.
• Develop and optimize security use cases by correlating event logs alongside the Cyber Defence Centre team.
• Assist with vulnerability management across both on-premise and cloud infrastructures, ensuring comprehensive tooling coverage.
• Monitor vulnerability scans to detect and aid in remediating potential risks on key systems.
• Manage the overall health and performance of cyber security services, adhering to operational and security standards.
• Stay informed about emerging threats, trends, and advances in cyber security to continually enhance capabilities.
• Participate in an on-call rotation supporting One NZ's 24/7 operational environment as needed.
• Support secure configuration and optimal tuning of security services in line with company policies and SLAs.
• Work with internal teams to report and escalate critical and high-risk vulnerabilities appropriately.

Qualifications and Experience

• Bachelor’s degree in Computer Science, Information Technology, Cyber Security, or related discipline.
• Minimum of 3 years’ experience in cyber security operations or security engineering roles.
• Strong understanding of cyber security protocols, technologies, systems, and security tooling.
• Practical experience with vulnerability management, email security, and SIEM platforms.
• Proficiency with tools such as Palo Alto Prisma Cloud, Google SecOps SIEM, Qualys, UpGuard, Microsoft Defender XDR, and Mandiant ASM.
• Excellent analytical and problem-solving capabilities to effectively identify and mitigate security risks.
• Strong communication and interpersonal skills enabling collaboration with both technical and non-technical teams.
• Industry certifications like CISSP, CISM, or CEH are highly desirable.
• Experience operating within large, complex organisations in cyber security functions.
• Knowledge of relevant regulatory frameworks and standards related to information security.
• Ability to work effectively under pressure, handle competing priorities, and maintain meticulous attention to detail.
• Strong organisational aptitude and proactive mindset towards continuous improvement and operational excellence.

Benefits and Culture

• Work-life balance with flexible arrangements including work-from-home options and adjustable hours to support family commitments.
• Complete Southern Cross health insurance coverage for you and your family.
• Opportunity to purchase additional lifestyle leave to enhance your annual leave entitlement.
• Discounts on One New Zealand products and services.

We are proud to hold the Rainbow Tick certification, celebrating diversity in thought, perspective, and background. Joining our whānau is embarking on an enriching journey to challenge, inspire, and contribute to a greater mission.