{"id":1518960,"url":"https://alion.io/job/paypay-cloud-platform-engineer-k8snw-specialist","title":"Cloud Platform Engineer (K8S&NW Specialist)","company":{"id":328,"name":"PayPay","domain":"paypay.ne.jp","url":"https://alion.io/company/paypay","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"C","score":65,"open_postings":36,"ghost_share":0.5,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":103,"computed_at":"2026-10-20T05:45:00Z"}},"role":"DevOps","role_family":"DevOps","seniority":null,"employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":[],"countries":[],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Amazon EKS","optional":false},{"name":"ArgoCD","optional":false},{"name":"AWS","optional":false},{"name":"cert-manager","optional":false},{"name":"CI/CD","optional":false},{"name":"GitOps","optional":false},{"name":"Istio","optional":false},{"name":"Karpenter","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linkerd","optional":false},{"name":"Python","optional":false},{"name":"Service Mesh","optional":false},{"name":"Terraform","optional":false},{"name":"Amazon CloudWatch","optional":true},{"name":"Amazon EC2","optional":true},{"name":"Amazon ECS","optional":true},{"name":"Amazon S3","optional":true},{"name":"Argo Workflows","optional":true},{"name":"Atlantis","optional":true},{"name":"AWS Lambda","optional":true},{"name":"DynamoDB","optional":true},{"name":"GitHub Actions","optional":true},{"name":"Grafana","optional":true},{"name":"IAM","optional":true},{"name":"Jenkins","optional":true},{"name":"KEDA","optional":true},{"name":"Kyverno","optional":true},{"name":"OpenTelemetry","optional":true},{"name":"Prometheus","optional":true}],"status":"live","first_seen_at":"2025-07-10T01:16:17Z","employer_posted_date":"2026-09-30","last_verified_at":"2026-10-21T01:20:43Z","board_verified":true,"closed_at":null,"days_open":468,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":467},"description":"About PayPay\nPayPay is a FinTech company that has grown to over 75M (as of August 2026) users since its launch in 2018. Our team is hugely diverse with members from over 50 different countries.\nOUR VISION IS UNLIMITED_\nWe dare to believe that we do not need a clear vision to create a future beyond our imagination. PayPay will always stay true to our roots and realize a vision (future) that no one else can imagine by constantly taking risks and challenging ourselves. With this mindset, you will be presented with new and exciting opportunities on a daily basis and have the opportunity to grow and reach new dimensions that you could never have imagined. We are looking for people who can embrace this challenge, refresh the product at breakneck speed and promote PayPay with professionalism and passion.\n※ Please note that you cannot apply or be selected in parallel with PayPay Corporation, PayPay Card Corporation and PayPay Securities Corporation.\n\nJob Description\nWe are seeking a highly skilled and experienced Platform Engineer to manage and enhance our end-to-end application delivery platform, from CloudFront to the underlying EKS clusters. Moving beyond standard maintenance, this role combines production infrastructure ownership with software engineering. You will build and scale robust in-house platform tools, develop custom Kubernetes controllers, and automate complex workflows safely. \nThe ideal candidate will have a strong foundation across cloud infrastructure, networking, Kubernetes, and service mesh technologies, with deep expertise in at least one of these areas. The candidate will also have production experience in Python or Go and the versatility to become productive in the other. We particularly value engineers who can quickly understand unfamiliar systems, capable of using AI-assisted development effectively while remaining accountable for production stability, code maintainability, and operational safety.\nIn this role, you will play a pivotal part in raising our engineering velocity and defining the reliability standards of our platform.\nMain Responsibilities\nDevelop, maintain, and automate in-house tools, Kubernetes manifest generator engine and scripts using programming languages like Python or Go to improve platform operations and efficiency.\nPerform upgrades and patching of EKS clusters and associated components, and improve the process through safe, repeatable automation.\nManage and optimize related components such as Karpenter (cluster autoscaling) and Argo CD (GitOps continuous delivery).\nImplement and manage service mesh solutions (e.g., Istio, Linkerd) for enhanced traffic management, security, and observability.\nParticipate in an on-call rotation to provide 24/7 support for critical platform issues and monitor the platform for potential issues and implement preventative measures.\nConfigure and manage CloudFront distributions, WAF web ACLs for efficient & secure content delivery & traffic management.\nDevelop and maintain documentation for platform architecture, processes, and troubleshooting guides.\nTech Stack\nAWS: VPC, EC2, ECS, EKS, Lambda, CloudFront, WAF, R53, RDS, ECR, ElastiCache, DynamoDB, S3, CloudWatch, Cognito, SQS, KMS, Secrets Manager, VPC Lattice, IAM.\nIAC: Terraform, Atlantis.\nCICD: Jenkins, Argo CD, Argo Rollouts, Argo Workflows, GitHub Actions.\nObservability: Prometheus, Grafana, OpenTelemetry, Quickwit.\n Platform Tools: Istio, Karpenter, Kyverno, KEDA, Artifactory, AWS Load Balancer Controller, ingress controller, cert-manager.\nRequired Qualifications\nDemonstrable experience with advanced software engineering practices, including unit/integration testing.\nDeep understanding of Kubernetes internals and the controller-runtime framework, experience developing, testing, and maintaining custom controllers/operators and CustomResourceDefinitions.\nProven experience as a Platform Engineer, Site Reliability Engineer (SRE), or similar role with a focus on end-to-end platform ownership.\nStrong understanding and practical experience with Karpenter, Argo CD, Terraform..\nStrong networking fundamentals and the ability to troubleshoot an end-to-end request path across CloudFront, WAF, load balancers, Kubernetes networking, service mesh, and workloads.\nBachelor's degree in Computer Science, Engineering, or a related field (or equivalent practical experience).\nPreferred Qualifications\nPrior experience working with service mesh technologies (preferably Istio) in a production environment.\nDemonstrable experience with SSL/TLS certificate management.\nExperience with multi-cluster Kubernetes architectures.\nExperience building AZ isolated, DR architectures.\nPayPay 5 senses\nPlease refer PayPay 5 senses to learn what we value at work.\nWorking Conditions \nEmployment Status\nFull Time\nOffice Location\nHybrid Workstyle※ You will be expected to work in the office, in alignment with organizational guidelines and team objectives.\n\n LIFE in JAPAN FACTBOOK\nWork Hours\nSuper Flex Time (No Core Time)\nIn principle, 9:00am-5:45pm + 1h break (actual working hours: 7h45m + 1h break)\nHolidays\nEvery Sat/Sun/National holidays (In Japan)/New Year's break/Company-designated Special days\n\nPaid leave\nAnnual leave (up to 14 days in the first year, granted proportionally according to the month of employment. Can be used from the date of hire)\nPersonal leave (5 days each year, granted proportionally according to the month of employment）＊PayPay's own special paid leave system, which can be used to attend to illnesses, injuries, hospital visits, etc., of the employee, family members, pets, etc.\n\nSalary\nAnnual salary paid in 12 installments (monthly)\nBased on skills, experience, and abilities\nReviewed once a year\nLate overtime allowance＊Payroll payment can be changed to digital salary payment “PayPay Paycheck” for an amount set by you\n\nBenefits\nSocial Insurance (health insurance, employee pension, employment insurance and compensation insurance)\n401K\nTranslation/Interpretation support\nVISA sponsor + Relocation support\nOther Information:\n PayPay Inside-Out (Corporate Blog) /JP\n PayPay Inside-out (Corporate Blog) /ENG\nPayPay Product Blog /JP\nPayPay Product Blog /ENG\n PIVOT動画：PayPayが仕掛ける金融革命","description_format":"text","description_chars":6185,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[{"language":"Japanese","level":"Advanced (C1)","optional":false}]},"benefits":["401k plan","Annual leave","Health insurance"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":true,"industries":["Payment Processing & Gateways"],"lifecycle":[{"event":"open","at":"2026-09-30T10:52:45Z"}],"visa":[],"liveness":{"score":5,"band":"cold","label":"Long shot","p_open":1,"p_active":0.161,"p_room":0.28,"age_days":467,"expected_fill_days":103,"reasons":["conf:1","stale_co","ghost","win:tail","crowd:"],"computed_at":"2026-10-20T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/paypay-cloud-platform-engineer-k8snw-specialist","json_url":"https://alion.io/job/paypay-cloud-platform-engineer-k8snw-specialist.json","meta":{"generated_at":"2026-10-21T04:38:08Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":6749,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-22T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":328},"rest":"https://alion.io/mcp/rest/get_company?id=328"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fpaypay-cloud-platform-engineer-k8snw-specialist"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fpaypay-cloud-platform-engineer-k8snw-specialist"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fpaypay-cloud-platform-engineer-k8snw-specialist"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/paypay-cloud-platform-engineer-k8snw-specialist\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fpaypay-cloud-platform-engineer-k8snw-specialist"}]}