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Operate and maintain IP networking in a 24/7 SaaS environment. Troubleshoot network issues, manage service providers and equipment, perform capacity planning, execute network changes, assist with network activations, and participate in projects to improve WAN/connectivity and integrate partners and acquisitions.

Design, develop, and maintain React/TypeScript frontend applications and a reusable component library. Translate Figma into accessible WCAG-compliant components, manage design tokens, implement testing and CI/CD, improve tooling and performance, collaborate with cross-functional teams, and mentor other engineers.

The Senior Platform Configuration Engineer at Five9 will manage the implementation and configuration of cloud contact center solutions, lead projects, mentor colleagues, and optimize client solutions through advanced integrations and technical expertise.

Design, automate, and operate large-scale distributed systems. Build tooling for availability, scalability, and efficiency. Partner with engineering teams on CI/CD, monitoring, incident management, and SRE practices; participate in on-call rotations.

Lead a team of test engineers to own end-to-end QA strategy for cloud SaaS products. Drive test automation framework design, CI/CD integration, performance/security/reliability testing, production on-call support, and adoption of AI-powered testing. Mentor, hire, and report to engineering leadership while collaborating cross-functionally to improve release confidence and system stability.

Lead modernization of legacy Linux systems and build internal tooling to automate operations. Implement observability (SLIs/SLOs, dashboards, alerts), manage CI/CD and IaC, participate in on-call/incident response, optimize cloud costs and capacity, and maintain security/compliance for production services.

The People Operations Representative will manage HR processes like employee lifecycle transactions and provide tier 1 HR support, ensuring compliance and data integrity.

As a Software Engineer II, you'll design and maintain backend solutions, build scalable systems, collaborate with teams, and mentor engineers.

The Senior Mid-Market Account Director manages existing customer relationships and drives sales strategy, focusing on upselling and cross-selling Five9 products while exceeding sales targets.

The Senior Director, Network Reliability leads and rebuilds the network function, focusing on modernizing operations, team development, and enhancing network performance and automation.