[Remote] Platform Engineer

Note: The job is a remote job and is open to candidates in USA. Five9 is a leading provider of cloud contact center software, dedicated to enhancing customer experience. They are seeking a Platform Engineer to join their Cloud Operations team, responsible for shaping the infrastructure and tooling that powers their cloud contact center, focusing on reliability and developer productivity.ResponsibilitiesDesign, build, and maintain public and private cloud infrastructure with a focus on reliability, scalability, and developer productivityBuild and maintain internal developer environment tooling, primarily in Go and Python, to accelerate engineering workflows and reduce friction across the SDLCDrive automation initiatives that improve availability, reduce toil, and increase operational efficiency across Five9’s cloud platformCollaborate with Engineering teams to deliver high-quality software in a fast-paced environment, contributing technical depth to architecture and implementation decisionsMonitor production and development environments, proactively identifying and resolving issues before they impact customersContribute to incident response, SRE practices, and continuous improvement efforts to lower MTTD and MTTRHelp define and evolve the platform engineering roadmap as Five9 scales its infrastructure for the next phase of growthSkills4+ years of Software Development Life Cycle experience, preferably in Agile/Scrum environments3+ years of public cloud experience (GCP or AWS)3+ years of systems and networking experienceStrong proficiency with Kubernetes, Helm, GKE, and Docker; experience with ArgoCD and GitOps workflows is essentialExperience designing and operating large-scale distributed systemsProficiency in Python and/or other scripting languages; experience with Go (Golang) is a strong plusInfrastructure as Code experience with TerraformExperience with CI/CD tooling including GitLab, Jenkins, Spinnaker, or similarFamiliarity with config management tools such as Ansible, Puppet, or ChefExperience with Incident Management processes and SRE best practicesDemonstrated ability to independently scope, prioritize, and execute complex infrastructure projects with minimal oversightStrong verbal and written communication skillsBS in Computer Science or equivalent experienceExperience with SIP telephony (Freeswitch, Asterisk, Kamailio, WebRTC) is a plusBenefitsAnnual performance bonusStockOther applicable incentive compensation plansHealth, dental, and vision coverage, beginning on the first day of employment. Five9 covers 100% of the employee portion of the health, dental and vision coverage and shares a high portion of the dependent cost.Short & Long-Term DisabilityBasic Life Insurance401k saving plan with employer matchingAccess to an innovative mental health support platform that offers personalized care and resources in areas such as: therapy, coaching and self-guided mindfulness exercises for all covered employees and their covered dependents.Generous employee stock purchase plan.Paid Time OffCompany paid holidaysPaid volunteer hours12 weeks paid parental leaveCompany OverviewFive9 is a cloud-based call center software company that specializes in sales, marketing, and customer service. It is a sub-organization of Five Rivers Solutions. It was founded in 2001, and is headquartered in San Ramon, California, USA, with a workforce of 1001-5000 employees. Its website is http://www.five9.com.Company H1B SponsorshipFive9 has a track record of offering H1B sponsorships, with 4 in 2026, 13 in 2025, 15 in 2024, 13 in 2023, 20 in 2022, 15 in 2021, 15 in 2020. Please note that this does not guarantee sponsorship for this specific role.