Senior Database Administrator

BNZ; Auckland; Hybrid; NZD 120,000 - 160,000; Full time

Job summary

BNZ is seeking an experienced Senior Database Administrator to manage cloud-hosted MongoDB environments on AWS. You will design, deploy, and optimize infrastructure with Terraform, implement backups, security, and high-availability, and collaborate with cross-functional teams to support deployments and data analytics.

The role emphasizes automation, IaC, and strong SQL skills, with a focus on performance tuning, monitoring, and incident response.

Qualifications

• Experience administering MongoDB in production environments.
• Proven experience with AWS services (infrastructure, networking, security).
• Hands-on Terraform and IaC practices.
• Strong SQL querying skills and experience with relational databases.
• Familiar with CI/CD pipelines, automation, and DevOps practices.

Responsibilities

• Administer, maintain, monitor, and optimize MongoDB databases hosted in AWS.
• Design, deploy, and manage cloud infrastructure using Terraform and IaC.
• Support performance tuning, backups, recovery, and high availability configurations.
• Implement and maintain database security, access controls, and compliance requirements.
• Troubleshoot database, infrastructure, and application performance issues.
• Collaborate with development, platform, and infrastructure teams for deployments.
• Develop automation scripts and deployment pipelines for database infrastructure.
• Create and maintain technical documentation and runbooks.
• Support data analysis and reporting through SQL query development.
• Participate in incident management, change implementation, and continuous improvement.

Skills

MongoDB administration

SQL querying

DevOps mindset

Automation mindset

Tools

Terraform

CI/CD

AWS infrastructure services

Job description

## Senior Database AdministratorApply: Hybrid Role: BNZ Place Auckland, 80 Queen Street: Full time: Posted Today: End Date: October 5, 2026 (12 days left to apply): JR120932Worker Type:PermanentHere at BNZ, it's about more than just banking. We work together in an agile, energising environment to create innovative solutions through our promise \"If you can imagine a better future, let's find a way.\"We support wellbeing, flexible working and have a generous leave offering. There is the opportunity for growth, learning and career development. No two days are the same.**Mō te Tūranga | About the Role**We are seeking an experienced Database Engineer with expertise in **MongoDB**, AWS cloud services, and Terraform to support and manage our cloud-hosted database platforms. The successful candidate will be responsible for the administration, maintenance, optimization, and automation of **MongoDB** environments running in AWS, while also providing broader database support and SQL query expertise. **This is a 12 month fixed term opportunity!** **What are they key day to day tasks the person in this role will complete?*** Administer, maintain, monitor, and optimize **MongoDB** database environments hosted in AWS.* Design, deploy, and manage cloud infrastructure using Terraform and Infrastructure as Code (IaC) principles.* Support database performance tuning, capacity planning, backup and recovery, and high availability configurations.* Implement and maintain database security, access controls, and compliance requirements.* Troubleshoot and resolve database, infrastructure, and application performance issues.* Collaborate with development, platform, and infrastructure teams to support application deployments and operational requirements.* Develop and maintain automation scripts and deployment pipelines for database infrastructure.* Create and maintain technical documentation, operational procedures, and support guides.* Support data analysis and reporting requirements through SQL query development and optimization.* Participate in incident management, change implementation, and continuous improvement activities.**What attributes will this person have in order to be successful?*** Strong experience administering **MongoDB** databases in production environments.* Proven experience working with AWS services, including infrastructure, networking, security, and cloud operations.* Hands-on experience with Terraform and Infrastructure as Code practices.* Strong understanding of database concepts including performance tuning, backup and recovery, replication, and monitoring.* Solid SQL querying skills and experience working with relational databases.* Experience troubleshooting complex database and cloud infrastructure issues.* Knowledge of CI/CD pipelines, automation, and DevOps practices.* Strong analytical, problem-solving, and communication skills. The ideal candidate combines database administration expertise with cloud engineering capabilities, has a strong automation mindset, and can effectively manage **MongoDB** platforms within AWS while supporting broader database and data management requirements. **Nau Mai ki te Pēke o Aotearoa | Come to the Bank of New Zealand**This is an exciting opportunity to join us! We're bold thinkers who are taking brave steps to create a company that people want to work for, and customers want to bank with. If you're ready to join a fun organisation where we are proud of our culture and how we are helping New Zealander's to 'Find their way', then show your interest by submitting your application - we can't wait to read it. *Ehara taku toa i te toa takitahi, engari he toa takitini\" - Success is not the work of an individual, but the work of many.”*Closing Date: 04 October 2026Applications will be reviewed regularly across the advertising period, but we do reserve the right to close applications early.