Zach Williams

Dell Technologies

Oct 2018 - Present

Served as Feature Lead for the space consumption reduction initiative in the PowerStore product to support Hybrid Flash Array (HFA) environments, leading a team of 12 senior engineers to achieve a ~50% consumption reduction and >30% improvement in large IO performance.
Acted as Technical Lead for the Namespace File System Check (fsck) component in the PowerStore platform, overseeing successful validation and serving as the primary tier-3 escalation contact.
Led a team of 5+ senior engineers in designing and implementing the Data at Rest Encryption (D@RE) management microservice.
Designed and coded validation and recovery processes for custom on-disk B+ Tree elements (Namespace Key-Value Store Realms).
Developed a metadata log destaging optimization that locks multiple metadata pages within a single batch, yielding a 22% reduction in write amplification and 15% write throughput gains under benchmark load testing.
Integrated agentic validation workflows and spec-driven testing models into filesystem verification components, cutting regression runtimes by 40%.

Dell Technologies

Jul 2015 - Oct 2018

Joined as a founding member of the Unity enterprise storage engineering team, taking core responsibility for the System Storage Pools layout.
Coordinated file system integration layers for both Block and File (NAS) components and presented live system architecture demos to executive management.
Served as Feature Lead for the storage provisioning management of background deduplication tasks on the Unity storage product line.
Architected the Unity background activity coordinator to schedule deduplication session priority dynamically, which was later scaled into the system-wide Activity Resource Coordinator.

EMC Corporation

Jan 2009 - Jul 2015

Technical Lead for the CLARiiON SnapView storage copy product, managing product maintenance, release scheduling, and coordination for a team of 5 remote contractors.
Joined the VNX Total Customer Experience (TCE) engineering team as an initial member, handling hotfixes and direct escalation responses across block and filesystem layers.
Authored a checksum-based fault containment routine for the Mapped LU Slice Allocation Table on the VNX appliance, automating recovery for on-disk corruptions and eliminating data unavailability incidents.

EMC Corporation

May 2007 - Jan 2009

Served as Development Lead for the CLARiiON Quality of Service (QoS) software engine.
Integrated control path engine layers with Unisphere management panels, resolving critical data path bottlenecks across 3 VNX appliance updates.
Trained 8 offshore engineers and successfully transitioned QoS engine codebase ownership over a 3-month cycle.

EMC Corporation

Sep 2005 - May 2007

Interned with the MirrorView/A replication development team and tested script deployment modules for the Centera platform.

engineering solid systems.