Dennis Mason
Colfax,IL
Summary
Hands-on technician with extensive experience in battery cell processing, module support, and production troubleshooting. Adept at diagnostic testing, torque tool use, and clear documentation. Committed to safe work practices, dependable line support, and consistent quality results. Fast-learning professional known for staying on task and meeting deadlines. Consistent performance in structured environments and high-volume workflows. Quick adoption of new tools, procedures, and expectations to maintain productivity.
Overview
16
16
years of professional experience
Work History
Drive Unit Technician
Rivian
Normal, Illinois
07.2026 - Current
- Inspected parts for quality, fit, and finish
- Used hand tools and torque tools for assembly tasks
- Cleaned work areas and organized station supplies
- focused on dismantling units and reintroducing units for line navigation capability of systems and spreadsheets tracking work performed
Battery Technician
Rivian
Normal, Illinois
05.2026 - 07.2026
- Advanced technician responsibilities in California by conducting research and development for seam weld cells and learning battery module and pack build processes step by step
- Tested battery voltage, continuity, and insulation with diagnostic tools
- Disassembled battery components following Rivian safety procedures and PPE requirements
- Assisted troubleshooting of battery faults during Rivian production support
Cell Processing
Rivian
Normal, Illinois
08.2022 - 05.2026
- Executed end-to-end cell processing across every station, including tote load ASRS and CUAD, troubleshooting faults via HMI and accessing machines to clear issues and sustain line throughput with expected quality.
- Completed day-to-day duties accurately and efficiently.
- Worked with the battery hospital to fix mods and get them reintroduced via MES.
- Worked successfully with diverse group of coworkers to accomplish goals and address issues related to our products and services.
Customer Service Representative
Afni
Bloomington , IL
07.2010 - 08.2022
- Answered inbound calls for Afni customer support requests
- Resolved billing questions using account records and service guidelines
- Verified customer information before accessing sensitive account details
- Documented call notes in CRM systems for Afni records
- Guided customers through service troubleshooting and account updates
- Explained plan details, charges, and policy changes clearly
- Led customer service team scheduling and daily coverage planning
- Coached representatives on calls, chats, and complaint handling
- Resolved escalated customer issues using service policies and procedures
- Trained new hires on systems, scripts, and support standards
Education
High School Diploma -
Bloomington High School
Bloomington06-2000
Skills
- Unit assembly
- Diagnostic testing
- HMI troubleshooting
- MES navigation
- Torque tool use
- Quality inspection
- Safety compliance
- Team collaboration
- Attention to detail
- Process documentation
- Time management
- Line support
Timeline
Drive Unit Technician
Rivian
07.2026 - Current
Battery Technician
Rivian
05.2026 - 07.2026
Cell Processing
Rivian
08.2022 - 05.2026
Customer Service Representative
Afni
07.2010 - 08.2022
High School Diploma -
Bloomington High School