Technical Scrum Master & Agile Transformation Leader

EXPERIENCE

Technical Scrum Master Product Owner Agile Coach

T-Mobile Data Science & Analytics 07/2022 – 11/2025 Overland Park, KS

•Served as Technical Scrum Master and Enterprise Agile Coach across 8–10 cross-functional delivery teams building AI/ML and data science products, guiding SAFe Program and Portfolio execution in partnership with the Lean-Agile Center of Excellence (LACE); embedded in the full SDLC alongside Engineering, QA, and Data Science stakeholders to remove impediments and accelerate delivery.

•Facilitated all SAFe ceremonies, including Sprint Planning, Daily Stand-Ups, Sprint Reviews, Retrospectives, and Backlog Grooming, across 60+ sprints and 8–10 teams, achieving 97% on-time sprint review completion; gathered and reported Program-level KPIs and coached leaders on interpreting metrics to drive continuous improvement and Lean budgeting alignment.

•Partnered with Engineering and QA teams to instrument sprint metrics and AI model deployment tracking via Power BI dashboards tied to OKR frameworks; translated technical delivery data into executive-level visibility, increasing sprint throughput 25% within 90 days and enabling data-driven prioritization decisions.

•Facilitated all SAFe and Scrum ceremonies, including Sprint Planning, Daily Stand-Ups, Sprint Reviews, Retrospectives, PI Planning, Scrum of Scrums, System Demos, and Inspect & Adapt, across 8–10 IT delivery teams, driving Agile maturation and measurable throughput improvements at Program and Portfolio levels.

•Conducted comprehensive risk assessments and developed mitigation plans across active project portfolios; proactively communicated project status, risks, and mitigation strategies to 40+ stakeholders, improving forecasting accuracy 25% through story point calibration.

•Governed enterprise Jira Align and Confluence environments, enforcing process adherence and quality standards across 40+ leaders; standardized Scrum artifacts and program dashboards to ensure predictable, high-quality project outcomes.

•Established and optimized CI/CD workflows via Azure DevOps Pipelines in close collaboration with Engineering and DevOps engineers; applied technical understanding of build, test, and deployment pipelines to identify bottlenecks, increasing successful AI model deployments 15% and accelerating cycle times through systematic blocker removal.

•Championed organizational change management across a 40+ leader stakeholder group; founded and led a Community of Practice (CoP) that amplified cross-team Agile adoption by 40% and supported the enterprise shift from project-centric to product-oriented delivery; coached leadership at all levels in creating a culture of continuous learning and improvement.

•Built and maintained strong stakeholder relationships across business and technical units; proactively resolved conflicts, reduced meeting overhead by 6 hours per week, and maintained high stakeholder satisfaction through transparent communication of project progress and risks.

Agile Coach Product Owner Senior Scrum Master

T-Mobile Finance 06/2021 – 07/2022 Overland Park, KS

•Led end-to-end project management for IT business application development within a regulated finance business unit, increasing team velocity 40% within 6 months by applying SAFe Scrum and driving continuous delivery improvement.

•Applied strong technical understanding of software development and SDLC to drive IT application modernization of credit card processing via third-party API integrations; collaborated with Engineering and QA to manage compliance risks, reducing regulatory penalties 30% and strengthening CI/CD pipeline reliability.

•Decreased manual billing intervention by 25% through automation, saving the finance team 40+ hours per month and reducing customer account errors.

•Coached and directed a cross-functional, distributed team of 18 across four locations (Kansas, Texas, Washington, India) through five Program Increments; provided Agile coaching to Scrum Masters, Product Owners, and team members to increase deliverable content 20% and reduce defects 40%.

Agile Scrum Master

Northrop Grumman & Peraton for US Postal Service 10/2014 – 06/2021 Topeka, KS

•Oversaw end-to-end project management and Agile delivery in a large government/defense contractor environment, one of the most complex and regulated structures, delivering IT solutions on time and within budget constraints, exceeding USPS operational requirements by 15%.

•Coached 6–8 development teams through the full SDLC using Scrum and Kanban frameworks as Scrum Master and Agile Coach in a large federal government environment; leveraged prior hands-on software and middleware development background to bridge communication between Engineering, QA, and DevOps; integrated Jira dashboards boosting team efficiency 20% within 3 months.

•Championed Oracle ERP infrastructure rollout (Oracle DB, Oracle EBS) by leading sprint cycles and feedback sessions across regions, directly supporting enterprise consolidation efforts.

Manager Senior Project Manager

ADB Wireless 2013 – 2014 Blue Springs, MO

•Directed ERP system integration for 400+ site surveys, conducting earned value management (EVM) to reduce budget variance to 5%.

•Awarded $4M+ in radio tower build contracts via RFP/RFQ; drove Six Sigma and Built-in Quality adoption, improving team adherence by 18%.

•Guided cross-functional decision-making via Power BI and MS Project, cutting issue closure time by 32% across 10 infrastructure projects.

EDUCATION

Bachelor of Professional Studies (BPS), Business & Management

Excelsior University 05/2026

AAS, Computer Science and Electronic Technology

Mount Washington College

CORE COMPETENCIES

Agile Leadership:

Enterprise Agile Coach, SAFe Practice Consultant (SPC), Release Train Engineer (RTE), Lean Thinking, Systems Thinking

Program Facilitation:

Sprint Planning, Daily Stand-Ups, Sprint Reviews, Retrospectives, PI Planning, Scrum of Scrums (SoS), System Demos, Inspect & Adapt (I&A)

ERP & Systems Integration:

Oracle ERP, EAI Middleware (IBM/WebSphere), API Integration, CI/CD Pipelines, Software Development Concepts, SDLC

Strategic Alignment:

Lean Portfolio Management, Lean Budgeting, Org Design for Agile, Value Stream Mapping, ART Formation & Launch, Change Management, Organizational Change Management

Tools:

Azure DevOps (ADO), Jira Align, Jira Cloud, Rally, Power BI, VersionOne, Confluence

STRENGTHS

Enterprise Agile Coaching (Portfolio & Program)

Technical SDLC Fluency & DevOps / CI/CD Collaboration

Servant Leadership & Organizational Change Mgmt

Lean Portfolio Mgmt & Lean Budgeting

Communities of Practice & Role-Based Training

Agile Transformation at Scale (SAFe / Multi-ART)

Coaching RTEs, POs, Epic Owners & Scrum Masters

Large/Regulated Org & Federal Program Experience

CERTIFICATIONS

SAFe 6 Practice Consultant (SPC)

SAFe 6 Agile Release Train Engineer (RTE)

SAFe 6 Product Owner & Manager (POPM)

SAFe 6 Scrum Master (SSM)

Certified Scrum Master (CSM)

Professional Project Manager (PPM)

Lean Six Sigma Green Belt (CLSSGB)

ITIL v3 Foundation Certification

WILLIAM RUBIN

Technical Scrum Master SAFe Practice Consultant Agile Coach

785-***-**** *****.**@*****.*** Linkedin.com/in/wmrubin US Citizen

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