Pieter Polmans

At PVS, I worked on Yocto-based Embedded Linux systems, with a focus on supporting a Yocto upgrade and improving update and recovery reliability in the field.

• •Designed an OTA update trigger that operated reliably within strict bootloader constraints.

• •Enabled seamless transition from the running system to the Recovery OS for automated updates.

• •Designed and implemented a safe runtime solution to extend partitions without altering the recovery OS.

• •Contributed to a Yocto version upgrade within an existing field-update architecture

At DeltaBlue, I worked on large-scale Puppet upgrade rollouts across an estate of 1000+ servers and designed GitLab CI deployment pipelines for business-critical APIs in complex Linux environments.

• •Modernized deployment workflows by introducing GitLab CI and Nexus-based artifact handling

• •Improved maintainability of Puppet code by refactoring manifests into a Roles and Profiles structure

• •Automated upgrade feasibility analysis across a fleet of 1000+ servers

• •Designed a standardized API deployment framework supporting safe rollouts and rollback capability

• •Reduced manual intervention and improved reliability across distributed API deployments

I worked in open-source-oriented Linux infrastructure environments, supporting daily operations, CI/ CD, configuration management, and reproducible automation workflows.

• •Delivered infrastructure and configuration changes in line with internal standards and reproducible workflows

• •Supported troubleshooting and incident resolution within daily operations

• •Delivered technical presentations and internal knowledge-sharing sessions during remote-work periods

• •Presented to graduate audiences, supporting visibility and recruitment efforts