Overview
Work History
Education
Certification
Timeline
Generic

William Kries

Milton

Overview

16
16
years of professional experience
1
1
Certification

Work History

Maintenance Mechanic

Vertex Aerospace
06.2017 - 07.2025
  • Performed scheduled and unscheduled maintenance on commercial and general aviation aircraft in accordance with FAA regulations and OEM specifications.
  • Conducted thorough inspections of airframes, powerplants, and related systems to ensure airworthiness and regulatory compliance.
  • Diagnosed and repaired hydraulic, pneumatic, electrical, and fuel systems on a wide range of aircraft models, reducing downtime.
  • Utilized precision measuring instruments and diagnostic equipment to troubleshoot complex mechanical and avionics issues.
  • Collaborated with engineering teams and quality control inspectors to verify repair procedures and component replacements.
  • Performed aircraft modifications and STC installations, including avionics upgrades and structural enhancements.
  • Maintained detailed records of parts usage and inventory through computerized maintenance tracking systems.
  • Supported AOG (Aircraft on Ground) recovery operations, deploying to off-site locations for rapid troubleshooting and repairs.
  • Ensured strict adherence to safety protocols and participated in ongoing training and recurrent certification programs.

Sanitation Worker

Have Garbage Will Travel
08.2015 - 05.2017
  • Operated front-end, rear-end, and roll-off garbage trucks to collect and transport residential and commercial waste on designated routes.
  • Completed daily waste collection routes efficiently and on schedule, servicing up to 300 stops per shift while maintaining a 98% on-time performance rate.
  • Inspected vehicles before and after shifts, reporting mechanical issues and performing minor maintenance to ensure DOT compliance and minimize downtime.
  • Ensured proper loading and compaction of waste to maximize load capacity and reduce the number of trips to the disposal facility.
  • Adhered to all safety protocols and DOT regulations, maintaining a clean driving record and zero at-fault accidents over 3+ years of service.
  • Provided courteous and professional customer service when handling complaints, special pickups, or missed collections.
  • Operated hydraulic lifting mechanisms, compactors, and other mechanical components safely and efficiently.
  • Trained new drivers on safe driving practices, equipment operation, and route navigation using GPS and routing software.
  • Conducted thorough post-trip inspections and maintained accurate logs, contributing to a 100% compliance record during audits.
  • Managed the disposal of recyclable materials and hazardous waste in accordance with local environmental regulations and company policy.

Crewchief

United States Marine Corps
11.2009 - 07.2015
  • Served as primary Crew Chief on the MV-22B Osprey, responsible for in-flight operations, mission readiness, and aircraft safety during domestic and overseas deployments.
  • Conducted pre-flight, post-flight, and turnaround inspections in accordance with NATOPS and Naval Aviation Maintenance Program (NAMP) guidelines.
  • Supervised and performed maintenance on flight control systems, hydraulics, landing gear, engines, and environmental systems, ensuring 100% aircraft readiness for mission tasking.
  • Logged over 1000 flight hours on the MV-22B in various environments, including combat zones, shipboard operations, and humanitarian missions.
  • Coordinated with pilots and maintenance control to execute mission-critical operations, troop insertions/extractions, and logistical resupply in austere environments.
  • Operated hoists, fast-rope systems, and ramp operations to support special operations and tactical insertions under high-stress conditions.
  • Trained and mentored junior Marines in aircraft systems, flight line procedures, safety protocols, and crew coordination, improving unit proficiency and readiness.
  • Maintained accurate aircraft maintenance records using OOMA/NALCOMIS and ensured proper documentation of discrepancies, inspections, and corrective actions.
  • Participated in and passed multiple Marine Corps Aviation Standardization inspections and readiness evaluations with zero major discrepancies.
  • Supported joint operations with Navy, Army, and allied forces, demonstrating flexibility, professionalism, and mission-focused execution in joint-service environments.


  • Acted as Collateral Duty Inspector (CDI), authorized to sign off on critical maintenance tasks and inspections, ensuring compliance with Naval Aviation standards.
  • Performed aircraft weight and balance calculations and assisted in aircraft configuration changes to meet mission-specific load requirements.
  • Monitored and enforced all safety regulations and flight line protocols, contributing to a zero-incident safety record over 6 years.

Education

No Degree - Biology

Roane State Community College
Harriman, TN

Associate of Science - Biology

Pensacola State College
Pensacola, FL
12-2025

Certification

A&P License for 8 years.

Timeline

Maintenance Mechanic

Vertex Aerospace
06.2017 - 07.2025

Sanitation Worker

Have Garbage Will Travel
08.2015 - 05.2017

Crewchief

United States Marine Corps
11.2009 - 07.2015

No Degree - Biology

Roane State Community College

Associate of Science - Biology

Pensacola State College

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William Kries