DAVID LENTSC
SENIOR IT APPLICATION ENGINEERING MANAGER
Wauconda,IL
Summary
Dynamic enterprise systems professional who empowers on- and offshore technical teams to refine technology strategy. A collaborative leader who builds cross-functional alignment to enhance business performance, customer experience, and employee engagement. Known for improving efficiency and elevating the quality of IT deliverables through mentorship and continuous improvement initiatives.
Overview
1
1
Certification
28
28
years of professional experience
Work History
Senior Manager, Web and Mobile Application Development
USCELLULAR, INC.
01.2022 - 08.2025
- Directed a team of 10 software developers responsible for full life cycle application development and oversight of 100+ enterprise vendor team members, supporting full customer relationship management (CRM) application suite.
- Created and institutionalized Agile framework that reduced delivery cycle time 6-9 months to 2-4 months.
- Improved software quality due to iterative approach and increased interaction with clients.
- Developed epics and user stories that streamlined user flows, simplifying screens to reduce overall flow time by approximately 20 seconds and individual screen time by 1-3 seconds.
- Developed and delivered burn down plan for Americans with Disabilities Act (ADA) defects in partnership with the digital business resulting in a 90% reduction accomplishing a key organizational objective.
- Forged partnerships with stakeholders and senior executives to align on strategy and achieve 80% of key organizational objectives.
- Leveraged leadership and mentorship, achieving 100% retention and facilitating 20% team promotions.
- Conducted effective one-on-one meetings with employees focusing on individual development and continuous career coaching.
- Conducted annual succession planning sessions for 1-, 3-, 5-year career plans to adjust to business needs.
Program / Project Manager, ATT IT Engineering
INSIGHT GLOBAL (ON ATT ACCOUNT)
02.2021 - 12.2021
- Managed complex, multi-year initiative for large business customers, enabling online management and automation of network circuits while delivering $3M project on time and within scope.
- Developed comprehensive, fully integrated project plan to align stakeholders across multiple business units.
- Directed cross-functional project plans supporting telecom account deliverables and stakeholder expectations.
- Coordinated schedules, dependencies, and resources to keep initiatives aligned with business priorities.
- Led status meetings and communicated risks, blockers, and action items to internal teams.
Release Manager / Scrum Master, Technology Development
IBM, INC.
09.2019 - 08.2020
- Directed monthly software releases to production, coordinating deployments across development, quality assurance, data and systems administration, and user acceptance testing. Served as Scrum Master for SAFe systems team.
- Delivered and deployed 100% of monthly releases to production with zero downtime.
Senior Software Engineering Manager, Premier PMO
AT&T, INC.
02.1998 - 08.2019
- Led team of project managers through entire IT life cycle of application engineering and development, directing over 30 contractors to deliver 200-250 strategic and business-critical projects.
- Developed framework and conducted workshop to implement Agile methodology, reducing delivery cycle time by 20-30%.
- Designed and integrated one-PM model, combining business and tech dev PM, eliminating ~40% overlap across teams and enhancing client satisfaction.
Senior Technical Director, Digital Experience ABS Compliance
AT&T, INC.
01.2014 - 03.2015
- Managed team overseeing corporate compliance for 100+ applications in Sarbanes-Oxley (SOX), User Access Management (UAM), Sensitive Personal Information (SPI), Records Information Management (RIM), and Annual Operational Business Continuity Planning (OBCP).
- Executed removal or full encryption of 100% of SPI from applications, 100% audit scores of 3 (acceptable) or higher, and attained “Gold” certification 2 years running on OBCP plan.
- Directed technical strategy for network and software initiatives, aligning architecture with business priorities.
- Led cross-functional teams through system implementations, upgrades, and production readiness reviews.
- Evaluated emerging technologies to improve service reliability, scalability, and operational efficiency.
Senior Technical Director, PMO, DSL/LD Compliance and Operations
AT&T, INC.
02.2011 - 12.2014
- Responsible for end-to-end management and oversight responsibility for Amdocs and Accenture vendors in operations and compliance. Managed program office and project managers for all DSL-related efforts. Established compliance tracking dashboard, developed training, and instructed teams on compliance principles.
- Outperformed all compliance objectives for technology footprint of over 100 applications. Achieved 100% project on-time delivery and within budget.
Senior Technology Director, Finance Initiatives Team Senior Technology Director, Application Development / Architecture, Senior Technical Architect, OMS Performance, Technology Director, Project Controls / Metrics
AT&T, INC.
02.1998 - 01.2011
- Additional Positions with AT&T, Inc.
Education
Bachelor of Science (BS) - Business Administration
University of Illinois-Chicago
Chicago, ILSkills
- Process Improvement: An analytical problem solver who utilizes Agile project management framework
- Leadership: Organizational compliance and development, staff development and motivation, navigating difficult and complex conversation
- Systems Integration: Improved application stability through streamlined data flows and simplified code modules for 99% website availability and average user satisfaction scores above 46
- Program Management: Subject matter expert (SME) tasked with integrating teams through process alignment, establishing communication protocols, and coordinating training sessions to ensure readiness for Day 1 of major system integrations or application mergers
- Programming Languages: Proficient across client-server, cloud, Unix/Linux, Oracle, MongoDB, Windows, Apple, and deploying to Google Play and Apple App Store
- Platforms: Proficient in client-server, cloud, Unix/Linux, Oracle, MongoDB, Windows, Apple, Google Play, and Apple App Store
- Productivity Tools: Skilled in productivity and DevSecOps tools: GitHub, jFrog, SonarQube, Dynatrace, Content Square, Jira, Confluence, Remedy, and Quality Center for secure software delivery and team collaboration
Certification
SAFe Certified Agilist
Timeline
Senior Manager, Web and Mobile Application Development
USCELLULAR, INC.
01.2022 - 08.2025
Program / Project Manager, ATT IT Engineering
INSIGHT GLOBAL (ON ATT ACCOUNT)
02.2021 - 12.2021
Release Manager / Scrum Master, Technology Development
IBM, INC.
09.2019 - 08.2020
Senior Technical Director, Digital Experience ABS Compliance
AT&T, INC.
01.2014 - 03.2015
Senior Technical Director, PMO, DSL/LD Compliance and Operations
AT&T, INC.
02.2011 - 12.2014
Senior Software Engineering Manager, Premier PMO
AT&T, INC.
02.1998 - 08.2019
Senior Technology Director, Finance Initiatives Team Senior Technology Director, Application Development / Architecture, Senior Technical Architect, OMS Performance, Technology Director, Project Controls / Metrics
AT&T, INC.
02.1998 - 01.2011
Bachelor of Science (BS) - Business Administration
University of Illinois-Chicago