Marcin J. Email & Phone Number

Chicago, Illinois, Us

• Architected and implemented a Google Cloud Platform (GCP) infrastructure, driving cloud adoption and enhancing platform scalability.• Led AWS cost optimization efforts, including rightsizing EC2 instances and terminating unused resources across multiple accounts, resulting in a 30% reduction in cloud costs.• Architected cloud Kubernetes clusters utilizing spare capacity (Spot instances), achieving compute cost savings of 60-80% by efficiently managing workloads on low-cost instances.• Orchestrated a hybrid Kubernetes platform (AWS EKS, GCP GKE, and on-prem Talos) to optimize costs by aligning workloads with appropriate infrastructure needs.• Consolidated multiple source control management systems (on-prem Bitbucket, Gitea, Bitbucket Cloud, GitHub Team Cloud) into GitHub Enterprise Cloud, reducing operational costs and significantly improving the developer experience.• Implemented CI/CD pipelines for Kubernetes deployments using GitHub Workflows and ArgoCD, enabling continuous deployment and reducing deployment times.• Developed a self-service platform for infrastructure provisioning, empowering development teams to provision resources via Terraform and GitOps, reducing provisioning time from 2 days to 2 hours.• Established DevSecOps practices by integrating vulnerability scanning (SAST, SCA) into CI/CD pipelines, reducing deployments with critical vulnerabilities by 95%.• Mentored junior engineers in cloud infrastructure, container orchestration, and CI/CD best practices, fostering a collaborative DevOps culture within the organization.

Chicago, Illinois, Us

Chicago, Illinois, Us

Chicago, Illinois, Us

Austin, Texas, Us

• Automated application deployment and server configuration by writing Puppet manifests, reducing manual setup time by 80% and improving consistency across environments.• Provisioned servers in VMware vSphere and AWS environments with Terraform, removing manual processes and time.• Installed and maintained physical infrastructure using Dell servers, improving system reliability and reducing hardware failure incidents by 20%.• Administered and optimized multiple Jenkins servers for fully automated CI/CD pipelines, increasing deployment frequency by 70%.• Managed Cloudera Hadoop big data clusters, improving data processing efficiency and minimizing downtime for high-volume data operations.• Leveraged Atlassian products (JIRA, Confluence, Bitbucket) to streamline issue tracking, collaboration, and version control, reducing ticket resolution times by 25%.• Monitored applications and infrastructure using tools like Nagios, Observium, Prometheus/Grafana, AWS CloudWatch, and Pingdom, enhancing system observability and reducing incident response time by 40%.• Implemented and maintained centralized logging with the ELK stack, improving log management efficiency.• Enhanced security for cloud and on-prem environments by managing IAM, security groups, and firewalls.

95877 Bezons, Fr

• Developed and maintained Ansible playbooks to automate deployment and server configuration, streamlining operations and reducing manual intervention.• Configured and managed server patching using RedHat Satellite Server, ensuring up-to-date security and compliance across all environments.• Provisioned virtual servers in VMware vSphere and AWS environments with Terraform.• Installed and deployed physical servers using RedHat Kickstart and SUSE AutoYaST profiles, optimizing installation processes and minimizing setup time.• Configured and managed standard services such as SAMBA, NFS, SNMP, SMTP, DNS, and Apache, ensuring reliable and secure service delivery.• Installed and integrated third-party applications, delivering comprehensive solutions tailored to customer requirements.• Implemented a SIEM solution using McAfee Enterprise Security Manager, enhancing security monitoring and threat detection capabilities.• Maintained Oracle Exadata racks for a DBaaS platform, ensuring high availability and performance for database operations.• Managed hardware from HP, IBM, and Dell servers, ensuring optimal performance and lifecycle management.• Performed vulnerability assessments using FusionVM Critical Watch, identifying and remediating security findings to maintain system integrity.• Managed IP address utilization and availability through Infoblox Grid, ensuring efficient and accurate network resource management.• Maintained detailed documentation in Runbooks and Technical Recovery Guides, improving operational readiness and disaster recovery processes.

Armonk, New York, Ny, Us

• Installed, configured, and administered servers on SUSE Linux and Novell OES platforms, ensuring optimal performance and reliability.• Performed system patching, monitoring, and performance tuning, while proactively troubleshooting server-related issues to minimize downtime and ensure smooth operations.• Executed disaster recovery procedures, server upgrades, and decommissioning, safeguarding business continuity and infrastructure integrity.• Diagnosed and resolved hardware and software issues, coordinating escalations with vendors to ensure timely resolution of critical problems.• Managed server hardware from HP and IBM, overseeing lifecycle management and ensuring optimal performance of physical infrastructure.

Warszawa, Mazowieckie, Pl

• Installed, configured, and administered servers on Novell NetWare and Microsoft Windows NT/2000/2003 platforms, ensuring stable and efficient system operations.• Performed system patching, monitoring, and performance tuning, while troubleshooting server-related issues to maintain optimal performance and minimize downtime.• Executed disaster recovery plans, conducted server upgrades, and managed decommissioning processes, safeguarding critical data and ensuring seamless transitions.• Diagnosed and resolved hardware and software issues, providing effective troubleshooting and collaborating with vendors when necessary to ensure timely issue resolution.• Developed and implemented backup strategies using Symantec NetBackup, ensuring reliable data protection and quick recovery in case of system failures.• Managed server hardware for IBM systems, overseeing maintenance and ensuring hardware availability and performance.

Engineer’S Degree, Ocean Engineering

Master’S Degree, Marketing/Marketing Management, General