01
Lockheed · Trident I (C4) · Circa 1982
Trident I (C4) Cable Fabrication
Cable assemblies · harness boards · test
Built and documented Lockheed cable assemblies for the Trident I C4 program.
View Project →EVAN COFFIELD · DESIGN ENGINEER · PROFESSIONAL WORK HISTORY
Engineering Work Portfolio
Selected programs and products from more than 30 years of engineering work. Every card shows where I worked, what system I supported, and what I contributed. Open a project only when you want the deeper story.
Mechanical
Electrical / EWIS
Optical / Photonic
Systems Integration
CAD / PLM
Technical Documentation
PROFESSIONAL ENGINEERING BACKGROUND
Engineering Roles, Contract Assignments & Agency Representation
More than 30 years supporting complex products and programs across aerospace, defense, semiconductor equipment, aviation, medical systems and industrial hardware.
CONTRACT
CONTRACT-TO-HIRE
DIRECT PLACEMENT
- Mechanical / Product Design
- Electro-Mechanical Systems
- Electrical / Cabling / EWIS
- CAD / PLM / Configuration
- Aerospace · Defense · Semiconductor · Medical
Review the professional background, then open only the project examples relevant to the position.
For inquiries, select Contact above.
Defense & Space
Missile, spacecraft, launch-vehicle, military-vehicle and defense-electronics programs.
Semiconductor & Automation
Process tools, inspection systems, precision stages, material handling and production equipment.
Aviation & Transportation
Aircraft avionics, EWIS, RF coax, seating systems and installation-aware integration.
Medical, Optical & Industrial
Laser systems, optical instrumentation, test hardware, electronics and electromechanical products.
02
Lockheed · Advanced Defense Research
Star Lab Program Support
Layouts · presentations · documentation
Produced engineering layouts and military-review presentations for the Star Lab research program.
View Project →
03
Lockheed · Protected Satellite Communications
Milstar Early System Layout Support
Schematics · system layout · documentation
Helped organize early Milstar schematics and protected-satellite system layouts.
View Project →
04
KLA Instruments · Machine Vision
Large-Format PCB Optical Inspection
Legacy drawings · ~300 parts · machine vision
Recreated roughly 300 legacy parts and drawings for a tilting PCB inspection station.
View Project →
05
Coherent Medical · Palo Alto · 1978
Medical Laser Assembly
CO₂ laser · optics · precision assembly
Built medical-laser hardware and precision optical-mechanical assemblies.
View Project →
06
Applied Materials · Semiconductor Equipment
Centura Cluster-Tool Integration
Cluster tool · gas delivery · process kits
Integrated chambers, gas delivery, process kits and manufacturing redlines for Centura tools.
View Project →
07
Cirrus Aircraft · Vision Jet
Vision Jet Avionics & EWIS Integration
Schematics · RF coax · Garmin interfaces
Created avionics schematics and routed VHF, UHF and GPS coax for the Vision Jet.
View Project →
08
Boeing / NASA · Artemis SLS
Exploration Upper Stage Tooling
CATIA V5 tooling · work instructions
Designed CATIA tooling and work instructions for the SLS Exploration Upper Stage.
View Project →
09
Space Systems/Loral · Launched 2003
EchoStar IX / Telstar 13 — Galaxy 23
Reflector supports · spacecraft integration
Supported the vertical structure carrying the spacecraft's communications-antenna reflectors.
View Project →
10
Measurex · Circa 1988–1989
In-Line FTIR Extrusion Analyzer
FTIR optics · CADAM · manufacturing release
Created the complete drawing package for an in-line plastics-analysis system.
View Project →
11
CompuCom · Telecommunications Hardware
9600 Modem — 16-Bit ISA Card
16-bit ISA modem · production drawings
Supported the CompuCom 9600 modem hardware and its production documentation.
View Project →
12
Asyst Technologies · Semiconductor Automation
Linear Wafer Transport Assembly
Conveyor · 90° transfer · fab automation
Detailed a wafer conveyor and 90-degree rotary transfer for fab automation.
View Project →
13
Deep Ocean Engineering · Systems Integration
Deep Rover Research Submersible
Integration · drafting · configuration
Integrated drawings, databases and configuration control for the two-person Deep Rover.
View Project →
14
Lockheed · NASA Space Telescope
Hubble Space Telescope Engineering Support
Schematics · cable drawings
Developed early Hubble system schematics, cable drawings and wiring documentation.
View Project →
15
LLNL · Opto-Mechanical / Fusion Systems
National Ignition Facility
Optics enclosure · controlled drawings
Designed optics enclosures and controlled drawings for National Ignition Facility hardware.
View Project →
16
Semiconductor · Precision Equipment
ASML EXE Reticle-Stage Work
Cabling · sheet metal · reticle stage
Integrated cabling and sheet-metal hardware around ASML EXE reticle-stage assemblies.
View Project →
17
BAE Systems · Bradley · 2024
BAE Systems Bradley Cabling
3D routing · cable drawings · release control
Created and checked routed harnesses and released cable drawings for Bradley upgrades.
View Project →
18
Defense Electronics · Sensor Systems
Raytheon GhostEye Cabling & Wiring
Routing · wiring · Pro/Cabling
Routed internal GhostEye cables and updated Pro/Cabling documentation.
View Project →
19
Defense · Amphibious Vehicle Systems
General Dynamics EFV Cabling & Conduit
Cable/conduit routing · supports
Developed EFV cable and conduit routing, supports and attachment methods.
View Project →
20
Aerospace · Propulsion Tooling
Aerojet AR-1 Engine Tooling
Assembly tooling · fixtures
Designed assembly tooling and fixtures for advanced rocket-engine hardware.
View Project →
21
SolidWorks · Enclosure & Sub-Assembly Design
Electronics Enclosure & Sub-Assemblies
SolidWorks · packaging · sub-assemblies
Reconstructed the enclosure, internal package, cooling and related sub-assemblies in SolidWorks.
View Project →
22
Diebold · ATM / Transaction Equipment
ATM Machine Electromechanical Integration
Cabling · electromechanical packaging
Integrated ATM electronics, cash modules, sensors and service-access cabling.
View Project →
23
Varian · Semiconductor Equipment
Mechanical Equipment Enclosure
Enclosures · piping · service access
Designed equipment enclosures, doors, piping interfaces and service access.
Portfolio Snapshot
24
Test Engineering Support
Thermal & Vibration Test Assemblies
Environmental test · fixtures
Supported thermal, vibration and environmental-test hardware and fixtures.
Portfolio Snapshot
25
Commercial Aircraft Systems
Aircraft Seating — Wiring & Pneumatics
Seat wiring · pneumatics
Integrated aircraft-seat wiring, pneumatics and installation-aware packaging.
Portfolio Snapshot
26
Optical Systems · Precision Hardware
Precision Optical Assembly
Opto-mechanical packaging · interfaces
Designed concentric housings, internal optics, mounts and mechanical interfaces.
View Project →
27
Independent Product Design · Lighting Systems
CFL Hybrid Assembly
Complete original lamp design
Designed the complete CFL hybrid lamp package from envelope to threaded base.
View Project →
28
RF Electronics · Complete Original Layout
RF Electronics Transmitter
100% physical layout · RF packaging
Created the transmitter's complete physical layout, RF packaging and thermal architecture.
View Project →
Mechanical Engineering
Mechanical & Electromechanical Design
Complex top-down assemblies, structures, mechanisms, sheet-metal enclosures, machined parts, fluidics, test fixtures, robotic systems, and design release to manufacturing.
- Creo / Pro-E, NX, SolidWorks, AutoCAD, MicroStation
- GD&T, tolerance stack-up, DFM, DFMEA, FEA awareness
- Large-assembly management and controlled drawing release
Electrical / EWIS
Electrical Systems, Cabling & Harnesses
System schematics, 3D cable and harness routing, flat-pattern and installation drawings, vehicle and avionics integration, power distribution, PCB/RF packaging, grounding, EMI/EMC, connector definition, and electro-mechanical interface control.
- Creo / Pro-Cabling, Creo Schematics, Altium, Capital / Harness tools
- 3D routed harnesses, cable trays/supports, connectors, BOMs and installation drawings
- EWIS, RF/EMI shielding, grounding, environmental test and manufacturing documentation
Optical / Photonic
Opto-Mechanical & Photonic Systems
Precision optical assemblies, lens mounting and retention, alignment mechanisms, infrared through ultraviolet applications, imaging/sensing hardware, fiber-optic components, and optical test fixtures.
- Opto-mechanical mounts, gimbals, precision mechanisms
- CCD/CMOS, thermal imaging, LIDAR and fiber-optic familiarity
- Harsh-environment mechanical support for optical systems
Cabling & Harness Engineering
3D Routing, Harness Integration & Release Documentation
Hands-on cable and harness work across defense, aerospace, aircraft, vehicle and electro-mechanical programs: top-level routing, flat-pattern manufacturing drawings, trays and supports, connectors and backshells, installation definition, BOM documentation, configuration control and manufacturing support.
3D ROUTED HARNESSES
FLAT PATTERNS
INSTALLATION DRAWINGS
EWIS
EMI / EMC
CONNECTORS & BACKSHELLS
TRAYS / CLAMPS / SUPPORTS
CONFIGURATION CONTROL
Representative public-safe visualization based on supplied work examples; not controlled program geometry.
Professional Summary & Qualifications
Professional qualifications presented before the visual project portfolioSenior Mechanical Design Engineer with more than 30 years of experience supporting robotics, semiconductor automation, aerospace, defense, electro-mechanical, optical and advanced-manufacturing programs. Work spans concept development, detailed 3D CAD, prototype iteration, multidisciplinary integration and production release.
Hands-on background includes robotic and wafer-handling equipment, large top-level assemblies, electronic packaging, sheet metal, machined and molded components, fixtures and tooling, cable-management architectures, sensor integration, tolerance analysis, DFM/DFA, supplier coordination and manufacturing support.
Project Management / Integration
Systems & Product Development
Mechanical, electrical, optical and packaging development from concept through manufacturing release, including design reviews, DFMEA/risk identification, validation planning, vendor/supplier coordination, configuration management and schedule-aware release.
Mechanical Engineering
Mechanical & Electromechanical Design
Top-down assemblies, structural and payload hardware, sheet-metal enclosures, machined parts, weldments/castings, fluidics/hydraulics, mechanisms, tooling and fixtures, robotic systems, plus plastic-enclosure, snap-fit, press-fit, ultrasonic-weld and thermoplastic-staking design.
Opto-Mechanical Engineering
Precision Optical Systems
Micro/macro optical assemblies, lens selection and retention, alignment, precision mounts, steering mirrors and gimbals, IR-through-UV applications, LIDAR, CCD/CMOS and thermal-imaging hardware, fiber-optic components and harsh-environment support structures.
Electrical Engineering / EWIS
Schematics, Cabling & Power
System schematics, cable/harness routing and documentation, vehicle and avionics power distribution, PCB/RF packaging, grounding and shielding, EMI/EMC considerations, interface definition, environmental-test support and electro-mechanical packaging.
CAD / PLM / Digital Engineering
Configuration & Engineering Data
Creo/Pro-E, NX/Unigraphics, SolidWorks, AutoCAD and MicroStation with Windchill, Teamcenter, ENOVIA, Intralink/Pro-PDM and related file-library administration, CAD translation, controlled release, large-assembly management, kinematics and motion-simulation workflows.
Specifications / Validation
Drawings, Standards & Test Support
GD&T and controlled technical drawings plus experience in ASME, NASA, FAA/RTCA, MIL-STD, electrical and manufacturing documentation environments; design/test support includes vibration, thermal cycling, decompression, ESD, tolerance, failure-analysis and manufacturing-release considerations.
Manufacturing / Plastics / Tooling
Manufacturing, Plastics & Tooling
Design for manufacturing and assembly across machined parts, sheet metal, weldments/castings, plastic extrusions and injection-molded enclosures, snap-fit and press-fit features, ultrasonic welding, thermoplastic staking, plus assembly tooling, transport carts, drill fixtures and functional gauges.
Electrical Integrity / Test
EMI / EMC & Environmental Verification
Grounding and shielding strategies, conductive gasketing and filtering, RF/EMI awareness, low- and high-voltage distribution, cable-manufacturing processes, plus support for vibration, thermal cycling, altitude/decompression, ESD and other environmental verification activities.
DRAWING PRACTICE
GD&T / ASME Y14.5
Production drawings, datum strategies, tolerance stack-ups, interface definition and inspection-aware documentation.
PRODUCT RELEASE
ECO / ECN & Configuration Control
Revision-controlled drawings, BOMs, redlines, release packages and change workflows in Windchill, Teamcenter, ENOVIA and related PLM systems.
MANUFACTURING READINESS
DFM / DFA & Supplier Coordination
Design reviews, prototype builds, fabrication feedback, discrepancy resolution and cross-functional support through production release.
PROGRAM ENVIRONMENTS
Aerospace, Defense & DOE Rigor
Experience supporting NASA, FAA/RTCA, MIL-STD, ASME and NFPA documentation and verification environments without overstating certification authority.
Mechanical CAD
Pro-E / Creo · Siemens NX / Unigraphics · SolidWorks · AutoCAD · MicroStation
Electrical / Harness
Altium Designer · Pro/Cabling · Creo Schematics / RSD · Mentor Capital Logic & Harness
PLM / PDM
Windchill · Teamcenter · ENOVIA · Intralink · Pro/PDM · ProjectWise · DOORS
Analysis / Test
ANSYS · FEMAP · SimWise 4D · LabVIEW · MATLAB · engineering validation and test support
Aerospace & Aviation
Spacecraft
Defense
Semiconductor Equipment
Optical / Infrared Systems
Deep-Ocean Systems
Medical Devices
Consumer Products
Automotive Concepts
Rail / Transportation
RF / Microwave
Fiber Optics
M.S. Space Studies
American Military University
Degree awarded 2014
B.A. Project Management
Ashford University
Degree awarded 2012
A.S. Design Drafting Technology
The Master's Institute
1990 · plus Six Sigma training
Additional professional experience
Goodrich · Optical / telescope systems
EchoStar IX / Galaxy 23 · Satellite antenna support structure
Varian · High-current equipment enclosures
RF / microwave packaging
Aircraft seating wiring & pneumatics
Wafer / cluster-tool equipment
Medical laser / diagnostic equipment
CAD / PDM administration
Technical presentations & design reviews
Vendor / supplier coordination
Projects shown represent selected professional engineering work performed for or in support of the respective organizations. Program names and trademarks remain the property of their respective owners. Public-safe representative graphics are used where original project imagery would be proprietary, controlled, unclear, or unsuitable for public display. No classified, export-controlled, proprietary, or build-level program data is reproduced. Projects 23–25 are concise portfolio snapshots and intentionally remain on the main page.