Mechanical & Systems Technician, 18+ Years Experience

Frazer Andrew Walker

[Clarksville, Tennessee ****2] [1-931-***-****] [************@*****.***] [https://www.linkedin.com/in/frazer-walker-25a852170]

Mechanical / Engineering Technician

Mechanical / Engineering Technician with 18+ years of experience supporting, maintaining, testing, and troubleshooting mechanical, electrical, hydraulic, pneumatic, and automated systems in military and defense-contractor environments. Proven ability to perform component-level diagnostics, system integration support, technical inspections, and maintenance documentation. Experienced in collaborating with engineers to implement design changes, perform system upgrades, and improve equipment reliability and readiness. Skilled in field service, depot-level maintenance, HVAC, heavy equipment, and automated control systems.

Core Competencies

Mechanical & Electromechanical Systems

Engineering Support & System Integration

Preventive & Corrective Maintenance

Troubleshooting & Root Cause Analysis

Component-Level Repair & Replacement

Technical Drawings & Schematics

Test, Inspection & Verification (TIV)

Hydraulic & Pneumatic Systems

HVAC & Environmental Control Systems

Building Automation (LON / BACnet)

Electrical Diagnostics (Multimeters)

Maintenance Documentation & Reporting

Safety Compliance & Risk Mitigation

Field Service & Customer Support

Technical Skills

Mechanical & Electromechanical Systems:

Hydraulic & Pneumatic systems

Heavy equipment & tactical vehicles

Diesel engines, generators, and auxiliary systems

HVAC & environmental control systems

Fire suppression systems

Controls & Automation:

Building automation systems (BACnet, LON)

Programmable logic controllers (PLCs)

Sensors, actuators, valves, dampers

Diagnostics & Software:

Allison DOC, Cummins Insite, CAT ET, Bendix, LogMASTRE

Electrical and mechanical fault isolation

Preventive and corrective maintenance tracking

Test, Inspection & Verification (TIV) procedures

Tools & Equipment:

Multimeters, oscilloscopes, and diagnostic tools

Welding, fabrication, and metalworking tools

Precision hand tools and power tools

Material handling and calibration equipment

Technical Documentation & Platforms:

Reading and interpreting schematics, blueprints, and technical manuals

Microsoft Office (Word, Excel, PowerPoint)

SharePoint and Teams for project collaboration

Maintenance documentation and reporting

Platforms: Windows, macOS, Microsoft Office, SharePoint, Teams

Professional Experience

Field Service Representative — Tactical Workforce Solutions (2020– Present)

Provide engineering and technical support for U.S. military systems, including installation, inspection, troubleshooting, testing, and component-level repair of mechanical, electrical, hydraulic, and pneumatic subsystems.

Perform system diagnostics and fault isolation to support corrective maintenance and sustainment operations.

Support engineering changes, system upgrades, and equipment modifications in coordination with program and engineering teams.

Prepare maintenance records, service reports, and technical documentation for internal and government stakeholders.

Interface directly with customers to provide technical status, recommendations, and system readiness assessments.

Key Impact:

Trained 100+ maintainers with zero safety incidents, improving system reliability and operational readiness.

Heavy Equipment Mechanic (SOCOM) — Mantech International (2019– 2020)

Performed maintenance, diagnostics, testing, and repair on tactical vehicles, generators, and mechanical systems using OEM diagnostic tools.

Conducted component-level troubleshooting across mechanical, electrical, and auxiliary systems.

Supported test and verification of repaired systems to ensure mission readiness.

Documented all maintenance actions accordance with DoD and SOCOM standards.

Key Impact:

Logged 300+ maintenance hours in LogMASTRE within 8 months, achieving full system ability and improving maintenance throughput.

Led hands-on technical training to improve diagnostic effectiveness of supported personnel.

Mechanical /Engineering & Utilities Technician — United States Army (2005–2019)

Installed, supported, tested, and repaired HVAC and environmental control systems, including fuel, water, and refrigerant subsystems.

Conducted system performance testing, inspections, leak checks, and part replacements.

Served as Environmental Control Officer, ensuring compliance with safety and hazardous materials procedures.

Interpreted technical drawings, specifications, and manuals for fabrication and installation of mechanical systems.

Fabricated ductwork and mechanical components using welding and metalworking tools.

Managed tools, equipment, and supply accountability.

Led maintenance operations for 45+ mechanical systems and vehicles valued over $1.6M.

Oversaw preventive maintenance programs, inspections, repairs, and safety compliance.

Installed and serviced mechanical compliance. Utilities including blowers, valves, dampers, and duct systems.

Performed troubleshooting, repairs, and system inspections using technical manuals and schematics.

Education & Certifications

Universal CFC/HCFC Refrigerant Processing Certificate

EPA 609 Refrigerant Certification

Military Technical & Leadership Training (Utilities, HVAC, Maintenance, HazMat, Leadership)

High School Diploma

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