Senior System Support

Join our diverse and talented people and work at the heart of national security, providing essential intelligence to the NZ government to protect New Zealand and its people.

Mō te tūranga mahi – about the role

Step into a role where your skills directly impact national security. As a Senior System Support/COMSEC Advisor, you will be at the forefront of safeguarding the cryptographic assets that keep GCSB and NZSIS running 24/7. You’ll join a fast-paced, high-performing team that balances a drive for excellence with a genuine commitment to collaboration and teamwork.

In this role, you will own the full lifecycle of our security material, from managing keys and policies to ensuring flawless custodianship across the NZIC. You will be the definitive escalation point for our partners, providing the decisive support that ensures our operations never miss a beat.

Your day-to-day will blend technical leadership with proactive vigilance. Whether you're monitoring the GCSB wide-area network to resolve anomalies, validating critical equipment, or mentoring the next generation of specialists, your work ensures our collective defence remains seamless and secure.

Ko wai koe – about you

We are looking for someone who loves the challenge of staying one step ahead. You likely possess a blend of technical precision and strategic foresight, with a knack for spotting network irregularities and turning complex security challenges into clear, actionable guidance.

You enjoy an environment where the work truly matters and where precision is valued. With a proactive, "can-do" mindset and a commitment to excellence, you’re ready to take ownership of New Zealand’s most critical communications infrastructure.

What you will bring to the team:

• Experience: 5+ years in IT support or service delivery (Windows/UNIX environments).
• Network

Skills

• A proven ability to operate and maintain LAN and WAN infrastructures.
• COMSEC Knowledge: A solid grasp of cryptographic principles, equipment, and procedures.
• Service Mindset: Hands-on experience with ITIL-based service management (incident, change, and problem management).
• Formal messaging expertise (principles, systems, and applications) is highly desirable.

This is more than just a technical role; it is a chance to work at the heart of New Zealand’s intelligence community. You will be part of a friendly, supportive team where your contributions are visible, valued, and vital to our national security.

The expected appointing range for this position is between $87,048 - $92,851 per annum.

Before you apply

Working within our unique environment means we have to ensure you're eligible for employment.

You must:

• Have been a New Zealand Citizen for at least 10 years OR hold a current NZ Residency Class Visa and ideally have been a citizen of the UK, USA, Canada or Australia for at least 10 years,
• AND
• Be eligible to obtain a Top Secret Special (TSS) security clearance
• Ordinarily, this means you'll have a 15 year checkable background in countries NZSIS Vetting can make meaningful and reliable checks.

Still unsure? Use this online tool to self-check your eligibility for a TSS security clearance: [external link]

The NZIC treats all applications for employment in the strictest confidence and we expect that you maintain a similar level of confidentiality during the recruitment process and throughout your career.

We’ll provide you with information and tips throughout the recruitment process, but in the meantime check out our tips on applying and the security clearance process here.

You can also learn more about our work and understand our areas of focus by reading New Zealand's Security Threat Environment | New Zealand Security Intelligence Service.