PowerShell Evangelist & Author
Creator of WinDAS, DSCB, and 200+ enterprise automation solutions. Led "PowerShell in a Month of Lunches" training series, championing coding culture and Git adoption across teams.
Joshua Walderbach
Systems and Infrastructure Engineer III
Northwest Arkansas • Open to Remote & Relocation
PowerShell
AI
Intune
MECM
Azure
ServiceNow
Git
PCI
Network
Power BI
Professional Summary
Systems and Infrastructure Engineer • 7+ Years at Walmart Global Tech
Architect of enterprise automation solutions serving massive-scale operations. Proven expertise in building scalable infrastructure that enhances operational efficiency, strengthens security posture, and reduces system complexity across global deployments.
Single & Multi-App Kiosk Developer
Expert in building custom Windows kiosk solutions from scratch. Specialist in secure single-app and multi-app kiosk configurations, vulnerability management, and zero-trust endpoint security.
Technology Enablement Leader
Passionate about upskilling colleagues through training, research, and tool development. Created learning platforms, automated solutions, and documentation that empower teams to work more efficiently and embrace new technologies.
Core Competencies
Technical Skills
Leadership & Strategy
Professional Experience
Walmart Global Tech
August 2018 - Present • 7+ Years
Supporting 350,000+ endpoints and 2.1 million users globally
November 2023 - Present
Systems and Infrastructure Engineer III
- Spearheaded and delivered custom Windows 11 upgrade process for 20,000 devices using Configuration Manager, implementing secure multi-user kiosk mode
- Developed custom single-app and multi-app Windows kiosk solutions from scratch for retail environments, ensuring secure and locked-down user experiences
- Developed and deployed WinDAS (Windows Diagnostic Analysis System), a PowerShell-based diagnostic reporting tool that accelerates system health checks by 50% and enhances ServiceNow incident quality
- Developed DSCB (Desired State Configuration Builder), an automation framework enabling automatic detection and correction of configuration drift
- Automated global printer configuration, reducing monthly incident volume by 200 cases
- Led Agile sprint activities utilizing Jira; architected Sprint Retrospective POC to enhance team collaboration; authored and presented "Ways of Working" improvement proposal to senior leadership
- Championed team's Git adoption initiative, creating comprehensive web-based training platform to teach Git/GitHub fundamentals and onboard 50+ engineers to enterprise version control; serving as 1 of 3 enterprise script approvers
October 2021 - November 2023
Systems and Infrastructure Engineer II
- Orchestrated global Intune Health Script deployment managing TLS/SSL cipher suites across 300,000+ Windows devices
- Directed migration of virtual environments from Configuration Manager to Windows Update for Business, reducing change controls from 24 to 6
- Served as technical liaison between OS Engineering and Vulnerabilities teams
- Produced and delivered company-wide Windows 11 readiness video for 300,000+ associates
August 2019 - October 2021
Associate Systems Engineer
- Engineered modular PowerShell GUI tool integrating 30+ scripts, standardizing support desk procedures
- Developed comprehensive automation suite, accelerating resolution time by 40% and reducing support tickets significantly
- Co-architected skills-based assessment framework integrated with ServiceNow
- Implemented automated reporting solutions, reducing escalations by 25%
April 2019 - August 2019
Technician VI
- Led global L2 support desk operations covering collaboration, hardware, telephony, mobile, and virtualized endpoints for 350,000+ users
- Launched "PowerShell in a Month of Lunches" learning series, elevating team-wide automation capabilities
- Constructed dynamic ServiceNow dashboards for real-time ticket trend analysis, improving MTTR by 30%
- Pioneered diagnostic tools that became standard utilities across the support organization
August 2018 - April 2019
Technician V
- Delivered overnight support to global distribution centers
- Specialized in print infrastructure and software troubleshooting via ServiceNow
- Maintained 98% SLA compliance during high-volume support windows
Previous Experience
NagraStar
Anti-Piracy Analyst
Jan 2018 - Jun 2018
Engineered macro-driven automation solution for forensic documentation, accelerating IP analysis workflows by 60%
Pax8
Technical Support Engineer
Jun 2017 - Jan 2018
Provided expert technical guidance to MSPs for Microsoft 365, Symantec, and cloud platform deployments
Influence Technologies
DevOps Engineer
Jun 2015 - Jan 2017
Architected CI/CD pipelines using TeamCity and Octopus Deploy, accelerating feature delivery by 35%
UnityPoint Health
Information Technology Specialist
May 2011 - Apr 2015
Delivered Tier 2 desktop and application support, achieving 99% uptime for critical patient-facing systems
iHeartRadio
Traffic Manager / Radio Producer
Aug 2007 - Apr 2011
Managed ad traffic scheduling across 4 radio stations ensuring 100% FCC compliance; produced live sports broadcasts using NexGen automation
The Flamingo Group
Manager of Information Technology
Apr 2001 - Apr 2011
Directed comprehensive IT operations spanning infrastructure, Active Directory, configuration management, and enterprise patch management systems
Sky High Speed
Network Engineer
Feb 2005 - Mar 2006
Designed and implemented network infrastructure solutions enabling reliable high-speed internet service delivery
University of Iowa
Human Resources Assistant
May 2004 - Feb 2005
Facilitated HR operations and streamlined administrative processes for university staff and faculty
Aureon
Network Engineer
Aug 1999 - Apr 2001
Architected Intermapper-based network monitoring for telephony and optical connections, enabling proactive issue detection and resolution
AgVision
IT Technical Services Specialist
Jun 1998 - Jul 1999
Delivered technical support and managed infrastructure for mission-critical agricultural technology solutions
Dairy Queen
General Manager
Apr 1997 - Jun 1998
Directed franchise operations, staff development, and P&L management for high-volume location generating $1M+ annual revenue
Software Etc
Assistant Manager
Apr 1996 - Apr 1997
Drove store performance from bottom 50 to top 10 nationwide through strategic merchandising and bundled sales initiatives
Personal Projects
Simple Sky
Web application for astrophotographers and astronomy enthusiasts. Features intelligent object recommendations, real-time space tracking, and advanced sky quality assessment for planning perfect nights under the stars.
TheAmerica.app
Data-driven web application for exploring and comparing US state metrics across economics, demographics, education, health, infrastructure, and more. Features interactive data visualization and real-time comparative analysis.
VHS Tap
Innovative NFC-powered media player that bridges physical nostalgia with digital convenience. Tap 3D-printed VHS tapes containing embedded NFC tags to instantly play movies on Jellyfin. Features retro-styled admin panel, SQLite database for movie mappings, and rich metadata integration with OMDB.
GitHub101
Interactive training platform designed to teach Git and GitHub fundamentals to developers of all skill levels. Covers essential version control and collaboration skills for modern software development teams.
WinDAS
Windows Diagnostic Assessment Suite - PowerShell-based system diagnostics tool that generates detailed HTML reports. Collects information across OS, hardware, network, software, drivers, browsers, printers, and event logs. Privacy-focused with offline operation and no data transmission.
PULSE
Performance Utilization & Latency Sampling Engine - PowerShell diagnostic tool for Windows 11 Enterprise workstations. Features hardware inventory, 60-second performance sampling, process analysis, browser memory monitoring, configuration health checks, and event log analysis with dual JSON/HTML output.
Project Hampton
Educational platform teaching developers how to leverage AI for coding projects. Demonstrates modern development practices and AI-assisted programming techniques.
Configuration Blender
Self-healing configuration management system for Windows endpoints. Features a visual configuration builder for non-technical staff, automatic drift detection, and self-remediation via Microsoft Intune. Supports 15 check types including registry, services, applications, and firewall rules.
Education & Certifications
Education
Kirkwood Community College
Certificate in Website Development
University of Michigan
Certificate in Internet History, Technology, and Security
Certifications
2025
Competency in AI Essentials - CompTIA
2022
Microsoft Certified: Azure Fundamentals
2019
Apple Certified Support Professional 10.14
2017
ITIL® Foundation Certificate
2006
CompTIA Network+
2006
CompTIA i-Net+
2006
HDI Customer Support Specialist
1999
CompTIA A+
Awards & Recognition
🏆 Making A Difference Award - Walmart Global Tech
🏆 Bravo Award - Walmart Global Tech
Get In Touch
I'm always interested in discussing new opportunities and challenges in systems engineering and infrastructure automation.