Senior Site Reliability Engineer

National Australia Bank

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We’re looking for a hands-on, forward‑thinking Senior Site Reliability Engineer to elevate the reliability, automation, and scalability of one of our most strategically important domains.

You’ll combine strong engineering capability with servant leadership to guide the team, automate production processes, improve resilience, and drive operational excellence. You’ll enjoy solving complex operational challenges with code and mentoring others on engineering best practice in a high‑stakes production environment.

What you’ll do

Reliability & Resilience Engineering

• Design and automate production operational processes, including deployments, monitoring, alerting, and self‑service capabilities.
• Relentlessly optimise best practice, balancing between ITIL process rigour and lean principles.
• Improve system resilience, incident recovery, observability, and performance.
• Deliver resilience and recovery testing, including chaos engineering and performance scenarios.
• Balance development speed with reliability targets through well-defined SLOs and engineering standards.

Operational Excellence & Observability

• Analyse metrics across OS, platform, and application layers to support tuning, fault diagnosis, audits, and capacity planning.
• Oversee the SDLC for reliability-focused features, including code reviews, white-box testing, and maintaining test frameworks.

Change & Incident Management

• Participate in automated change delivery, including resilience testing, verification, change control, and user communication.
• Ensure operational readiness as workload and use cases scale, optimising both human and technical resources.

Leadership & Production Ownership

• Act as Product Owner delegate and champion for production resilience and scale.
• Provide data‑driven assessments and readiness reports to support program‑level go/no‑go decisions for major releases, migrations, and customer cutovers.
• Provide technical leadership and mentorship to engineers earlier in their career journey.
• Facilitate blameless post‑mortems and drive engineering‑first problem resolution.

What you’ll bring

Essential

• Strong software engineering background (Java, DevOps, platform engineering, or automation).
• Proficiency with build and automation tools such as Gradle, Jenkins, Ant, Python/Jython, Artifactory, Terraform, SonarQube.
• Knowledge of event-driven architectures with experience in Apache Kafka or IBM MQ.
• Strong Linux (*nix) and cloud hosting skills (AWS preferred).
• Excellent communication skills, with an ability to collaborate across engineering and business stakeholders.

Specialist Skills (Highly Desirable)

• Performance Testing: Ability to measure and validate response time, throughput, and reliability under expected concurrency levels.
• Resilience Engineering: Assess whether current patterns withstand unexpected scenarios and ensure services recover automatically.
• Stress Testing: Identify breaking points and understand system behaviour during and after failure conditions.
• Reliability Engineering: Validate that critical operations (e.g., key rotations, scaling events) occur with zero customer impact and maintain stability under load.
• Observability: Skill in proving production reliability, resilience, and performance using metrics, logs, traces, dashboards, and SLOs.

Why join us?

• Work on systems central to Australia’s financial ecosystem.
• Influence engineering strategy and reliability practices.
• High-impact technical leadership role with strong career growth.
• Culture built around collaboration, learning, and blameless practice.

It’s more than a career at NAB. It’s about more opportunity, more moments to make a difference and more focus on you.
Your job is just one part of your life. When you bring your ideas, energy, and hunger for growth to us, you’ll be recognised and rewarded for your contribution in return. You’ll have our support to excel for our customers, deliver positive change for our communities and grow your career. 

It’s a good time to see what more you can find at NAB as a

A diverse and inclusive workplace works better for everyone.
At NAB, we’re intent on building a culture we can all be proud of. One based on trust and respect. An uplifting environment where every single one of us feels appreciated and empowered to be our true, authentic selves. A diverse and inclusive workplace where our differences are celebrated, and our contributions are valued. It’s a huge part of what makes NAB such a special place to be.

Please note unsolicited CVs from agencies will not be accepted.

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