Andrew Mildahl Email & Phone Number

San Francisco, Ca, Us

Automating release engineering and improving developer experience for GHES releases.Built out tooling for packaging, deploying, upgrade testing, and database change management for GHAE.

Houston, Texas, Us

After the acquisition of Cray, Inc. by HPE, I continued to contribute as a member of Cray's Kernel/OS team.

Houston, Texas, Us

I transitioned to Cray's Kernel/OS team, where I:- Played a key role in supporting the CI/CD/CT processes for Cray's Kernel, OS compute environments, and related software.- Provided ongoing support and guidance to my previous team as they expanded Cray's new build, test, and release pipeline.- Designed and implemented micro-services using Ansible and Helm. These services facilitated tasks on compute nodes such as booting and streaming memory dump collection through a unified CLI that significantly simplified the management of Cray's Shasta Supercomputers.

Houston, Texas, Us

I was invited to join a newly established team tasked with architecting a comprehensive CI/CD/CT pipeline for Cray R&D, with the objective of centralizing existing pipelines. In this role, I collaborated with teams across Cray R&D to:- Design, implement, and maintain an RPM build, test, and release pipeline that adhered to industry standards.- Integrate this pipeline with various build, orchestration, and testing systems.- Ensure compatibility with multiple OS distributions and CPU architectures.

Houston, Texas, Us

I was part of a collaborative team responsible for supporting the build, release, and development processes of the Cray Linux Environment (CLE). My contributions included:- Assisting engineers in debugging build failures across various languages and toolchains, helping them migrate their builds into our pipelines, and providing documentation and presentations on our toolchains.- Significantly enhancing internal tools to clone our SUSE OBS instance for upgrades and feature testing, reducing execution time from 32 hours to just 40 minutes- Automating the release patching process for CLE to streamline workflows.- Developing tools for gathering metrics aimed at identifying recurring causes of day-one patches.- Contributing to the maintenance and expansion of a geographically distributed OpenStack cluster.

As a freelance software engineer, I designed, maintained, and supported legal software utilized by inventors, patent attorneys, and paralegals. The projects involved:- Developing desktop applications in C++ and C# with WPF.- Creating web applications using Ruby on Rails, Java, and Node.js for the backend, and Elm for the frontend.- Utilizing Docker for containerization and Docker Swarm for orchestration.- Maintaining a WordPress-based website with WooCommerce, including custom plugins for customer management, product keys, and telemetry.The software solutions included:- Patent and Trademark searching utilities, enabling automation of document retrieval, report generation, and docket/case organization.- A patent writing application to assist inventors in creating and filing patent applications.- A patent viewer that enhanced readability through OCR analysis.- IDS (Information Disclosure Statement) management software with granular permissions, facilitating collaboration within firms and simplifying PDF generation for disclosure statements.

Houston, Texas, Us

After the acquisition of SGI by HPE, I continued to contribute as a member of SGI's filesystem team.

Milpitas, Ca, Us

I was part of a dynamic engineering team where I:- Worked on SGI's CXFS, as well as SGI's enhanced versions of NFS, Samba, and Lustre- Led a project to fork XFS to allow SGI's eXFS to co-exist on a system with XFS- Conducted in-depth kernel core dump analysis, addressing internal and customer crash issues.- Proficiently profiled systems to identify bottlenecks and scalability concerns, with a focus on SGI's UV2000 and UV300.- Designed and maintained high-availability configurations for SGI's eNFS and CXFS.- Improved automated testing tools for continuous testing across diverse environments for CXFS and Lustre.- Authored a white paper outlining strategies to optimize NFS I/O performance on large NUMA systems.

Austin, Texas, Us

Collaborated with a team to design and develop the next generation of applications for Oracle Retail, leveraging Oracle's Application Development Framework (ADF).

Fedora City, Open Source, Us

Moorhead, Mn, Us

During my college years, I served as a Systems Administrator, where I:- Developed and supported web applications and system software using various languages, including PHP, Perl, Python, Bash, Java, and C.- Managed servers and labs utilized by students and faculty campus-wide.- Installed, configured, and maintained hardware, servers (Linux and Windows), and services (e.g., Apache2, MySQL, PostgreSQL) while ensuring seamless server migrations with zero downtime.- Played a role in making campus-wide decisions regarding systems and policies.- Created plugins for Moodle and conducted quarterly upgrades for the campus Moodle instance.- Established and maintained the authentication process for campus computer labs, including home directory mounting via Samba and custom authentication modules (PAM).- Developed a Proof of Concept (PoC) for a single-sign-on (SSO) system, streamlining authentication processes and supporting authentication against both email and MNSCU StarID.

Fargo, North Dakota, Us

I was part of a team responsible for developing the web application FlexMLS. During this role, my tasks included:- Transferring essential functionalities to Ruby on Rails to modernize the application's architecture.- Gradually breaking down the monolithic codebase into modular components to improve maintainability.- Addressing and resolving bugs within the legacy codebase, enhancing system reliability.This experience also involved gaining proficiency in FlexML, a custom in-house language unique to FlexMLS with server-side JavaScript support via SpiderMonkey, which added an interesting dimension to my work.

Washington, Dc, Us

I collaborated with a small team of researchers focused on crop genetics. My contributions included:- Developing a user-friendly web interface for uploading and modeling research data collected from various global research facilities.- Resolving several performance issues within a MySQL database, which contained tens of millions of records with problematic or conflicting indexes. These optimizations resulted in a significant improvement, reducing query times from minutes to seconds.

Master’S Degree, Computer Science

Bs, Computer Science