Cyber Defence Analyst (Shift Work)

About One New Zealand

One NZ is working toward a more connected Aotearoa New Zealand and is aiming to become the world’s most AI-enabled telecom provider. The company places strong emphasis on helping people learn, develop, and progress through training opportunities, learning platforms, and career pathways that grow with them.

Employees are encouraged to join a purpose-led environment where curiosity is supported and skills can expand quickly. The organization also highlights its commitment to people, inclusion, and creating meaningful impact.

Role overview

In this position, you will help safeguard One New Zealand and its customers against cyber threats through round-the-clock monitoring, incident handling, and security operations support. You will work within a collaborative Cyber Defence team to investigate alerts, assist with threat detection and containment, and contribute to the reliability, availability, and resilience of the technology environment.

This is a 24/7 Cyber Defence Centre role. The work follows a rotating roster that covers day shifts, night shifts, weekends, and public holidays so that monitoring and response coverage is maintained at all times.

Key duties

• Watch SIEM, EDR/XDR, and related security tools during overnight shifts to spot suspicious behaviour and possible attacks.
• Assess and respond to security alerts, judge the level of risk, and either contain incidents or escalate them in good time.
• Carry out first-pass incident analysis, collect supporting evidence, and keep clear records throughout night operations.
• Carry out threat-hunting tasks based on active threat intelligence and emerging attack patterns.
• Coordinate with senior on-call analysts and other teams when critical incidents need escalation or coordinated response.
• Prepare precise shift handovers with concise incident notes and current status information.
• Adhere to incident response playbooks, operating procedures, and established workflow documents.

What you should bring

• A tertiary-level qualification in Cybersecurity, Information Technology, Computer Science, or a similar field.
• A solid grasp of cybersecurity fundamentals, common threats, and typical attack methods.
• Exposure to tools such as SIEM, IDS/IPS, firewalls, and EDR/XDR platforms.
• The ability to work with direction while quickly learning new systems and technologies.
• Hands-on experience with Linux, Windows, scripting, TCP/IP, DNS, and packet or log analysis is a strong advantage.
• Security certifications such as SSCP, GSEC, or Security+ are preferred.
• Good written and spoken communication skills.

Benefits and rewards

• Flexible working options are available in many roles, including the ability to work from home and adjust hours around work and whānau commitments.
• Fully subsidised Southern Cross health insurance for you and your family.
• Lifestyle leave that lets you buy one or two extra weeks of annual leave.
• Discounts on One New Zealand products and services, plus additional perks.

Additional information

One New Zealand is Rainbow Tick certified and promotes diversity of thought, background, and perspective. Joining the team is described as more than starting a job; it is a chance to contribute to something larger while being challenged and inspired.

The company also expresses a values statement focused on uplifting, supporting, and elevating others.

Shift work: The role includes nights, weekends, and public holidays as part of a rotating roster in a 24/7 environment.