Senior Platform Engineer

Senior Platform Engineer (Software Consultant) Modern banking depends on technology that is secure, reliable and always available. Behind every payment, transaction and customer interaction is a complex ecosystem of platforms and services that need to perform at scale. As a Senior Platform Engineer, you'll help keep some of ASB's most critical banking systems running while driving improvements that make them more resilient, secure and easier to operate. This is an opportunity to work across a broad technology landscape, combining modern engineering practices with deep infrastructure expertise to support services that thousands of customers and colleagues rely on every day. You'll join ASB's Core Tribe at an exciting time. As we modernise core banking platforms and invest in the future of our technology estate, you'll play an important role in reducing operational risk, improving reliability, increasing automation, and helping engineering teams deliver faster and more safely. About The Team The Core Tribe is responsible for the systems and services that sit at the heart of ASB's banking operations. The Tribe is focused on running and modernising core banking platforms, ensuring they remain secure, resilient and ready to support future innovation. Its mission is to strengthen the foundations of banking by modernising core platforms while maintaining the stability and reliability our customers and colleagues depend on every day. Unlike many engineering roles, this position isn't tied to a single squad. You'll work across multiple teams within the Tribe, helping to uplift platform reliability, infrastructure capability, automation and operational excellence across a broad range of critical services. About The Role This is a senior technical role combining platform engineering, infrastructure operations, automation and site reliability practices. You'll help manage and improve a predominantly on-premises environment with growing cloud and container platform adoption, including Azure and AKS. Working closely with engineers, product teams and operational stakeholders, you'll improve how platforms are built, monitored, secured and maintained. You'll look for opportunities to automate repetitive work, strengthen resilience, improve observability and ensure critical services remain available and secure. Success in this role means balancing day-to-day operational excellence with longer-term platform improvements that help ASB scale and modernise its technology landscape. Key Responsibilities Maintain and optimise critical Windows and Linux server environmentsDrive vulnerability remediation and platform security improvementsImprove patching processes through automation and engineering-led solutionsSupport reliable, secure, and highly available services across the Core TribeDesign and implement operational tooling, monitoring and alerting solutionsBuild and maintain CI/CD pipelines supporting platform and infrastructure deliveryImprove observability through dashboards, metrics, logging and alertingIdentify operational risks and implement preventative controlsParticipate in incident response activities and post-incident reviews when requiredDevelop automation to improve platform management, security and operational efficiencyCreate and maintain technical documentation, runbooks and operational proceduresPromote modern engineering, reliability and automation practices across teamsCollaborate across squads to solve complex platform and infrastructure challenges About You You're an experienced infrastructure and platform engineering professional who enjoys solving complex technical problems and improving the way things work. You're equally comfortable diving into operational issues, building automation solutions, or helping teams adopt better engineering practices. You'll bring a strong sense of ownership, a pragmatic approach to problem solving, and the ability to balance operational reliability with continuous improvement. You'll enjoy working across a variety of technologies and collaborating with teams to deliver outcomes that genuinely make a difference. Most importantly, you'll be motivated by the opportunity to improve critical banking services that support customers across New Zealand. Key Skills & Experience Must-have 10+ years of experience in infrastructure, platform engineering, site reliability engineering, or related disciplinesStrong Windows and Linux server administration experienceProven experience managing and maintaining enterprise infrastructure environmentsExpertise in PowerShell and Python scriptingExperience with infrastructure and platform automationStrong vulnerability management and patching experience across server and container environmentsExperience supporting and improving production services in complex enterprise environmentsExperience with Azure cloud services and hybrid infrastructure environmentsStrong experience building and maintaining CI/CD pipelinesExperience with Git-based source control and modern DevOps practicesStrong monitoring, observability and operational support experienceExcellent communication skills with the ability to engage both technical and non-technical stakeholdersExperience leading technical initiatives and influencing engineering best practice Highly Desirable AKS (Azure Kubernetes Service) experiencePlatform engineering or Site Reliability Engineering experienceExperience with Ansible or similar automation/orchestration platformsExperience with Kibana and observability toolingExperience with certificate management and enterprise networking conceptsExperience supporting highly regulated or large-scale enterprise environmentsAzure Administrator Certification (AZ-104) or equivalent Working for ASB At ASB, we want our people to thrive both professionally and personally. We'll support you with: Hybrid and flexible ways of workingOpportunities to learn, grow and advance your careerAccess to internal mobility and development pathwaysBanking benefits and employee banking offersHealth insurance and wellbeing initiativesParental leave and flexible leave optionsAccess to learning platforms, mentoring and technical developmentA diverse and inclusive culture where different perspectives are valuedThe opportunity to work on meaningful technology that impacts customers across New Zealand This is an opportunity to play a key role in the technology foundations that power one of New Zealand's leading banks. You'll work on critical platforms, influence engineering practices across the Tribe, and help shape the future reliability, security and performance of ASB's core services. If you're passionate about platform engineering, automation, operational excellence and building resilient systems at scale, we'd love to hear from you. Apply Now Apply online today. We welcome applications from people of all backgrounds and experiences and encourage you to apply even if you don't meet every requirement listed above. Your unique skills and perspective could be exactly what we're looking for.