Senior DevOps Engineer (AWS/Azure)

For our client operating in the energy industry, we are looking for a Senior DevOps Consultant to support the migration of Kubernetes-based platforms and applications from Azure/Azure DevOps to AWS/GitHub Actions.LocationHybrid – 2 days/week from Warsaw officeTasksPlan and execute the migration of Kubernetes-based applications and platform components from Azure to AWSDesign, build, and maintain cloud infrastructure using Terraform across Azure and AWS environmentsMigrate CI/CD pipelines from Azure DevOps to GitHub Actions and ensure secure, scalable deployment processesDeploy, operate, and optimize Kubernetes platforms, including workload troubleshooting and production supportLead migration activities related to networking, identity, security, storage, and application integrationsSupport migration of data and persistent storage, including backup, restore, validation, cutover, and rollback activitiesDeploy and manage JupyterHub/JupyterLab environments on Kubernetes, ensuring scalability, security, and operational stabilityImplement monitoring, logging, alerting, and observability solutions across cloud and Kubernetes environmentsDefine and enforce cloud security best practices, IAM/RBAC models, workload identity, and secrets managementAutomate operational processes, validation checks, and migration tasks using Python, Bash, and Infrastructure as CodeCollaborate with application, platform, security, and infrastructure teams to ensure successful migration deliveryExpectations5+ years of hands-on experience in DevOps, Platform Engineering, or Cloud Infrastructure roles, including Kubernetes-based application migrations and production cloud environmentsStrong hands-on experience with Kubernetes, Docker, Helm and/or Kustomize, including RBAC, service accounts, ingress controllers, workload troubleshooting, and production cluster operationsStrong experience with both AWS and Azure cloud platforms, including:AWS: EKS, IAM, IRSA, VPC, Route 53, CloudWatch, Secrets Manager/Parameter Store, S3, RDS, EFSAzure: AKS, Azure DevOps, Azure Container Registry, Key Vault, Azure Monitor, Log AnalyticsExpert-level experience with Terraform, including reusable modules, remote state management, environment separation, and infrastructure migration patternsExpert-level experience with GitHub Actions and CI/CD best practicesHands-on experience deploying and operating JupyterHub/JupyterLab on Kubernetes, preferably on AWS EKS, including authentication, storage, scaling, resource management, and cloud-native integrationsPractical experience with application, database, and storage migration activities, including migration planning, validation, cutover, and rollback strategiesStrong understanding of cloud and Kubernetes networking, including VPC/VNet, DNS, TLS certificates, load balancing, ingress/egress traffic, private connectivity, and service discoveryStrong security mindset with experience in IAM, workload identity, Kubernetes RBAC, secrets management, container image security, and compliance-related requirementsExperience with monitoring and observability tools, including CloudWatch, Azure Monitor, Prometheus, Grafana, OpenTelemetry, logs, metrics, traces, and alert migrationProficiency in Python or Bash scripting for automation and operational toolingNice to haveExperience with AKS to EKS migrationsExperience migrating Azure DevOps YAML pipelines to GitHub ActionsAdditional experience with JupyterHub/JupyterLab in large-scale enterprise environmentsExperience within data-intensive, analytics, or research-focused platformsWe Offer Ongoing support from a dedicated agent, taking care of your project continuity, client contact, necessary formalities, work comfort and development, Consultant Development Program – advice on growth planning based on the latest trends and market needs in IT, including consultations with agents and growth mentors, Access to 7N Learning & Development – a development and educational platform with webinars, a library of articles and industry reports, and regular invitations to one-time and recurring development events – technical, business, and lifestyle, Spectacular integration events, both for you (e.g., annual Kick-Off trip, Christmas parties, or Summer Olympics sports events) and for your loved ones (e.g., family picnics, movie premieres), Professional development not only during the project – you can get involved in knowledge transfer to others within the 7N Services offering directed at 7N clients, Relationships and access to the knowledge of the most experienced IT experts in the market – the average professional tenure of our consultants in Poland is over 10 years, A complete benefits package, including funding for medical care, life insurance, sports cards for you and your loved ones, as well as discounts in stores in Poland and abroad. About 7N Constantly searching for projects, difficult rate negotiations, lack of development support – sound familiar? At 7N, you gain not only stability of contracts but also the personal involvement of a dedicated agent who ensures your professional comfort and continuous access to development initiatives. Our goal is to provide you with stable and comfortable cooperation, contributing to your success as an IT expert and the success of our clients. We build long-lasting relationships based on Scandinavian values and 30 years of experience in creating IT solutions for over 200 organizations.