We Dream. We Design. We Deliver. Join hummgroup, one of Australasia’s most successful and enduring non-bank financial services institutions. We specialise in fast, easy finance with a market‑leading range of business asset finance, credit cards and point of sale payment plan solutions designed around the core needs of today’s businesses and retail consumers. Come join our team and be a part of our next chapter of innovation and growth.

What Does an Average Day Look Like?

Act as the senior technical escalation point for complex production incidents, leading major incident coordination and stakeholder communications when required. Investigate and resolve application, integration, and system issues across distributed platforms using log analysis, SQL, and troubleshooting tools. Support critical production operations, including batch processing, transaction validation, reconciliations, and controlled remediation activities. Monitor platform health and performance, leveraging observability tools to identify risks, improve monitoring coverage, and drive proactive issue resolution. Partner with Engineering, Infrastructure, Product, and vendor teams to strengthen platform reliability, resolve root causes, and reduce recurring incidents. Drive continuous improvement through automation, process optimisation, knowledge sharing, and mentoring team members to uplift operational maturity.

Who will thrive in this role?

You're a seasoned application support professional who thrives in complex environments, takes ownership of critical issues, and is passionate about driving operational excellence.



You combine strong technical capability with stakeholder management skills, enabling you to lead major incidents, mentor others, and continuously improve system reliability.

You’ll bring:

- Significant experience in Application Support, Production Support, SRE, or a similar role within a complex enterprise workplace.
- Proven expertise in major incident management, root cause analysis, and driving permanent resolution of production issues.
- Strong technical skills across SQL, Linux/Unix, scripting (Python, Bash, or PowerShell), cloud platforms (AWS/Azure), and observability tools.
- Experience with DevOps practices, CI/CD pipelines, automation, and improving operational processes and system resilience.
- Excellent communication and stakeholder management skills, with the ability to engage confidently across technical and business teams.
- Financial services, payments, or fintech experience, together with exposure to modern cloud‑native architectures, containers, and Infrastructure as Code, will be highly regarded.

Benefits

- Flexible and hybrid working arrangements.
- A collaborative, inclusive team culture where your ideas and improvements are actively encouraged.
- Access to professional development, certifications, and training.
- Competitive salary, superannuation, and benefits package.
- On‑call allowances for after‑hours support.

We invite candidates of all gender expressions, ethnicities, ages, and other culturally diverse groups to apply. We are committed to making reasonable adjustments to provide a positive, barrier‑free recruitment process and welcoming and supportive environment where all our people can thrive.

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📌 Senior Application Support Engineer (City of Sydney)
🏢 Humm BNPL
📍 City of Sydney