Performance Test Engineer

Sirius.; Sydney; On-site; AUD 129,000 - 148,000; Full time

Job summary

Sirius. in Sydney is seeking a Lead Performance Engineer Consultant to drive end-to-end performance engineering across cloud-native platforms, Siebel CRM, API and data layers.

You will lead testing strategies, mentor engineers, and collaborate with architects, DevOps and business stakeholders to ensure production readiness. The role requires 10+ years in performance testing and engineering, hands-on leadership, and strong experience with LoadRunner or equivalent tools on Azure/AWS.

Qualifications

• 10+ years of dedicated IT experience in performance testing and engineering.
• Experience leading performance initiatives across enterprise platforms.
• Hands-on expertise with LoadRunner/Performance Center and cloud environments.

Responsibilities

• Define and implement enterprise-wide performance testing strategies.
• Lead performance engineering across cloud-native, API, and data platforms.
• Mentor performance engineers and collaborate with architects, DevOps and stakeholders.
• Embed performance testing in CI/CD and drive optimisations.

Skills

Performance testing

Leadership

CI/CD

DevOps

Chaos engineering

AI-assisted Perf Eng

Tools

LoadRunner

Performance Center

Job description

Role Title: Performance Engineer Consultant

Location: Sydney, NSW

Contract Duration: 9-12 Months

Daily Rate: $736 / day (inclusive of Super + GST)

About the Opportunity

A leading enterprise organisation in the banking sector is seeking a highly experienced and hands‑on Lead Performance Engineer Consultant for a 9-12 month contract based in Sydney.

In this role, you will lead end-to-end performance engineering initiatives across complex cloud-native, distributed, and enterprise platforms (including Siebel CRM, cloud architectures, and payments systems). You will collaborate closely with architects, developers, DevOps teams, and business stakeholders to define performance strategies, drive optimisation, and mentor team members.

Key Responsibilities

Performance Strategy & Technical Leadership

• Define and implement enterprise-wide performance testing and performance engineering strategies across digital, API, cloud, payments, mainframe, and data platforms.
• Establish Non-Functional Requirements (NFRs), SLAs, SLOs, and capacity planning models.
• Drive performance governance and reporting for large-scale transformation programmes.
• Provide technical direction, guidance, and mentoring to performance engineers.

Performance Testing & Engineering Execution

• Design, develop, and execute load, stress, spike, endurance, failover, and scalability testing suites.
• Analyse complex system bottlenecks and engineer targeted performance optimisation solutions.
• Build workload models based on transaction volumes and real-world business usage patterns.
• Conduct performance tuning across application, middleware, database, and cloud layers.
• Embed continuous performance testing within CI/CD pipelines and develop reusable automation frameworks using Java and scripting.
• Evaluate and optimize applications hosted across Microsoft Azure and AWS platforms.
• Partner with infrastructure and cloud engineering teams on sizing, capacity planning, resilience, and chaos engineering exercises.
• Assess the performance of microservices, REST APIs, Kafka-based event systems, payments, Big Data, and mainframe integrations.

Monitoring & Observability

• Build comprehensive performance monitoring dashboards and telemetry frameworks.
• Analyse system metrics via observability tools to generate actionable insights and support root-cause investigations for performance incidents.

Key Requirements & Technical Capabilities

• Experience: 10+ years of dedicated IT experience in Performance Testing and Performance Engineering across enterprise-scale applications.
• Core Engineering Tools: LoadRunner Professional / Enterprise, Performance Center.
• Enterprise & Domain Platforms: Siebel CRM, REST APIs, Microservices, Event-Driven Architecture, Payments Systems, Big Data/ETL, Mainframe.

Desired Skills

• Chaos engineering and AI-assisted performance engineering.
• Expertise in CI/CD integration, DevOps pipelines, Agile, and SAFe delivery models.

Success Criteria

The successful consultant will:

• Lead performance certification for critical enterprise software releases.
• Ensure applications strictly adhere to NFRs and production readiness standards.
• Proactively reduce production performance incidents through front-footed engineering practices.
• Establish a culture of continuous performance engineering across delivery squads.