Wojciech – Kubernetes, Python, Terraform

Distributed software platform running across Kubernetes and hybrid-cloud environments, consisting of multiple services with diverse deployment and infrastructure requirements.

• Designed complex Kubernetes, Docker, and hybrid-cloud environments;
• Prepared existing services for Kubernetes deployment and established reusable Helm deployment patterns;
• Streamlined application delivery using GitLab CI, FluxCD, and Argo CD, introducing GitOps-based workflows;
• Implemented infrastructure as code with Terraform and AWS CDK, alongside Ansible-based host configuration;
• Defined deployment strategies for services with diverse infrastructure and operational requirements;
• Improved deployment repeatability, reliability, and rollback capabilities while reducing manual effort;
• Diagnosed and resolved complex Kubernetes, networking, configuration, and application deployment issues;
• Supported production releases and resolved critical deployment incidents;
• Integrated observability and monitoring into production environments, including Datadog;
• Coordinated the Deployment Team and technical delivery in collaboration with the Project Manager;
• Partnered directly with the client to clarify requirements, evaluate architectural trade-offs, and translate business needs into technical solutions;
• Reviewed deployment architecture and identified opportunities to reduce operational risk and increase automation.

Cloud platform hosting business-critical AI applications and internal services, covering compute, networking, databases, observability, security, backups, and high availability.

• Designed cloud infrastructure based on technical and business requirements;
• Provisioned and managed OVH infrastructure with Terraform;
• Designed highly available production environments, including failure-recovery mechanisms;
• Deployed and maintained Kubernetes and containerized workloads;
• Automated system configuration and operational processes;
• Built and maintained observability and alerting services;
• Designed backup and disaster-recovery processes;
• Deployed and operated databases and other stateful services;
• Implemented security and access-control improvements;
• Troubleshot production infrastructure, networking, and application issues;
• Advised on architectural decisions related to scalability, reliability, and infrastructure costs.

Large-scale analytics and data platform deployed across multiple cloud providers and on-premises Kubernetes environments, comprising application services, databases, internal developer tooling, and observability components.

• Deployed and maintained the product, databases and internal services across Kubernetes environments;
• Operated Kubernetes on EKS, AKS, Huawei CCE, OVH and on-premise infrastructure;
• Provisioned and managed cloud infrastructure with Terraform and Crossplane;
• Built and maintained CI/CD pipelines with Jenkins and GitHub Actions;
• Developed internal platform and developer tooling in Python, JavaScript, and Go;
• Co-developed Kubernetes controllers and operators using CRDs;
• Automated deployment and operational workflows across multiple environments;
• Worked with ClickHouse-based data infrastructure;
• Maintained observability stacks using Prometheus, Thanos, Grafana and related tooling;
• Participated in production on-call rotations and investigated infrastructure incidents;
• Troubleshot Kubernetes, networking, storage, performance and application issues;
• Improved reliability and consistency across heterogeneous cloud providers;
• Supported both application teams and platform operations with reusable automation and tooling;
• Contributed to architectural decisions around multi-cloud deployments and platform scalability.

Large enterprise environment with mixed Linux, Windows, and Kubernetes infrastructure, focused on standardizing configuration, automating operational processes, and improving software delivery.

• Automated server configuration and provisioning workflows with Ansible;
• Introduced Terraform into the project and helped standardize infrastructure-as-code practices;
• Designed and implemented CI/CD automation for previously manual operational tasks;
• Developed automation tools and scripts in Python, Bash and PowerShell;
• Maintained and improved deployment and configuration workflows;
• Monitored Linux and Windows virtual machines and Kubernetes environments;
• Built and maintained monitoring with Prometheus, Grafana and Alertmanager;
• Troubleshot infrastructure, application and deployment issues;
• Reduced repetitive manual work through scripting and automation;
• Supported production environments and investigated operational incidents;
• Worked across heterogeneous infrastructure rather than a single operating system or platform;
• Contributed to technical solution design for automation and infrastructure improvements.

Company IT environment covering servers, workstations, networking, and internal services, supporting day-to-day business operations and internal infrastructure needs.

• Administered and maintained the company's IT infrastructure and internal services;
• Managed Linux and Windows-based systems;
• Automated repetitive administration tasks using Python;
• Used Ansible to standardize and automate system configuration;
• Troubleshot operating system, network, and application issues;
• Maintained user access, permissions, and system configuration;
• Supported server and workstation lifecycle management;
• Monitored infrastructure health and resolved operational incidents;
• Improved repeatability of administrative tasks through scripting and automation;
• Maintained network connectivity and assisted with infrastructure troubleshooting;
• Supported users while also handling backend infrastructure issues;
• Contributed to improving reliability and reducing manual system administration work.