Sheldon Hassell
Aliso Viejo
Summary
Experienced with coordinating administrative tasks and maintaining organized office environments. Utilizes strong organizational skills to enhance office efficiency and support team operations. Track record of effective communication and multitasking to meet diverse administrative needs.
Overview
16
16
years of professional experience
Work History
R&D Cleanroom Assistant, Temp
RxSIGHT
Aliso Viejo, CA
10.2025 - 02.2026
- Accurately inputted data into company databases and spreadsheet software (e.g., Molding Log, Inventory Log).
- Verified and cross-checked entries for accuracy and consistency.
- Maintained data integrity by updating and purging outdated records.
- Reviewed data for completeness and accuracy.
- Reported discrepancies on any data quality issues to the appropriate team members.
- Maintained both digital and physical records, including scanning and filing.
- Developed and updated filing systems for efficient information retrieval.
Compliance Administrator
Ensign Services
San Juan Capistrano, CA
08.2021 - 04.2025
- Assisted in developing, implementing, and monitoring compliance policies and procedures.
- Maintained and organized compliance documentation, ensuring accuracy and accessibility.
- Supported internal and external audits by preparing necessary reports and documentation.
- Communicated compliance updates to relevant departments and provided administrative support.
- Ensured adherence to company policies and regulatory requirements by conducting routine checks.
- Managed confidential compliance-related records and ensured secure handling of sensitive information.
WCAB Legal Records Administrator
H-Wave - Electronic Waveform Lab, Inc.
Huntington Beach, CA
06.2019 - 11.2019
- Prepared court exhibits such as Declarations of Readiness.
- Managed lien calendar and coordinated hearing schedules.
- Uploaded legal documents via EAMS; maintained hearing rep communications.
- Created comprehensive court files, including exhibit lists and representation notices.
Temp, Office Assistant
H-Wave - Electronic Waveform Lab, Inc.
Huntington Beach, CA
02.2019 - 06.2019
- Retrieved, scanned, and archived document files.
- Maintained clean and organized filing systems.
- Shredded confidential materials and completed office tasks as needed.
Office Administrator
Minuteman Industries, Inc.
Garden Grove, CA
12.2018 - 02.2019
- Managed front office billing and utilized platforms like Field Edge, Service Channel, Maximo, and Ariba.
- Coordinated scheduling for meetings and appointments, optimizing team collaboration and efficiency.
- Oversaw inventory management, maintaining accurate records of supplies and equipment.
- Answered multi-line phone system, routing calls, delivering messages to staff and greeting visitors.
- Tracked office supplies and restocked low items to keep team members on-task and productive.
Administrative Assistant, I-I Staff
4th Civil Affairs Group, FHG
Hialeah, FL
04.2017 - 07.2018
- Conducted 1st and 2nd stage audits, service record book audits, and unit diary preparation for newly assigned personnel, improving onboarding accuracy and compliance.
- Resolved travel claim pay and entitlement discrepancies, ensuring timely corrective actions and improved pay accuracy.
- Managed and tracked enlisted promotion processes, verifying composite scores and ensuring timely submission of recommendations and non-recommendations.
- Tracked and reported mandatory training compliance, increasing readiness and accountability across units.
- Prepared discharge packages, including separation orders, travel orders, and official certificates, ensuring smooth personnel transitions.
- Ensured service members received full Department of Defense benefits (medical, commissary, exchange, MWR), improving access and satisfaction as DEERS operator.
Administrative Assistant
5th Battalion, 14th Marine Regiment, 4th Marine Division
Seal Beach, CA
08.2014 - 04.2017
- Drafted and issued letters and certificates of appreciation, supporting morale and recognition initiatives.
- Maintained confidentiality of sensitive information by adhering to strict privacy policies and implementing secure filing systems.
- Ensured accurate record-keeping with diligent data entry and database management for vital company information.
Administrative Assistant
2d Battalion, 11th Marines, 1st Marine Division
Camp Pendleton, CA
08.2010 - 08.2014
- Processed and delivered Permanent Change of Station (PCS) and Permanent Change of Assignment (PCA) orders with high accuracy and timeliness.
Education
High School Diploma -
Sol C. Johnson High School
Savannah2010
Skills
- Policy & Procedure Development
- Records Management & Data Entry
- Workflow Management & Calendar Coordination
- Personnel Administration & Military Records Management
- Audit & Compliance (1st/2nd Stage Inspections)
- Travel Pay & Entitlement Resolution
- Promotions & Training Tracking
- Orders Processing (PCS/PCA)
- Separation & Transition Documentation
- Confidential Records Handling
- Microsoft Office Suite (Excel, Word, Outlook)
Timeline
R&D Cleanroom Assistant, Temp
RxSIGHT
10.2025 - 02.2026
Compliance Administrator
Ensign Services
08.2021 - 04.2025
WCAB Legal Records Administrator
H-Wave - Electronic Waveform Lab, Inc.
06.2019 - 11.2019
Temp, Office Assistant
H-Wave - Electronic Waveform Lab, Inc.
02.2019 - 06.2019
Office Administrator
Minuteman Industries, Inc.
12.2018 - 02.2019
Administrative Assistant, I-I Staff
4th Civil Affairs Group, FHG
04.2017 - 07.2018
Administrative Assistant
5th Battalion, 14th Marine Regiment, 4th Marine Division
08.2014 - 04.2017
Administrative Assistant
2d Battalion, 11th Marines, 1st Marine Division
08.2010 - 08.2014
High School Diploma -
Sol C. Johnson High School