Senior Electrical Mechanical Technician

Stephen S. Sargent

**A Hampstead St.

Methuen, MA 01844

Cell 978-***-****

************@*****.***

Qualifications Summary

Over twenty years experience in cryogenic / thermal / mechanical / electrical engineering and manufacturing support with a solid track record in cryogenic / refrigeration / thermal / mechanical test set-ups, electrical assembly, data collection, analysis and miniature thermometry. Three years experience in cleanroom environment performing precision cleaning, assembly and test of optical space hardware and instruments. Mechanical, test and field support for pre production superconducting motors. I have excellent manual dexterity and mechanical aptitude with a focus on precision assembly and test of mechanical / cryogenic / electrical devices. Experienced in welding (OAW, MIG, TIG and stick). Resourceful in finding information when not readily available. Self motivated employee who gets the job done.

Related Experience

EXCELLIMS CORPORATION - Acton, MA 7/13 – Present

Precision Electrical/Mechanical Engineering Technician – Electrical/Mechanical/R&D:

Assemble all components and subassemblies for various company products comprising of Ion detection and Chromatograph equipment.

Document assembly processes including improving assembly methods and techniques requiring a high amount of precision work and attention to detail.

Assembly of internal cabling and PCB tray carrier assemblies including reviewing and correcting existing documentation.

Procure parts, hardware and tools used for projects and specialized equipment.

Review and correct BOM’s for various assemblies and associated components.

Document all assembly processes, electrical and mechanical with written and digital photographs.

Inspection of incoming parts to make sure specifications are met.

Perform receiving and shipping as required.

Organize all hardware and components for easy identification and stock status updating.

SUSTAINX, INC. - Seabrook, NH 09/11 – 05/13

Engineering Technician – Electrical/Mechanical/R&D:

Assembly of R&D Hydraulic test platforms for ongoing testing and evaluation hi pressure energy storage capabilities.

Assembly and refurbishment of the Pilot Platform used to test proof of concept design.

Assembly and test of accelerated corrosion test stand and testing of oil pipeline utilizing anti-corrosion inhibitors.

Procure parts, hardware and tools used for projects and specialized equipment (hydraulic and torque tool items).

Create picture documentation library of hydraulic valves and test assemblies.

Document assembly processes, electrical and mechanical for all assemblies worked on, written and digital photographs.

Train new, present employees, interns and contractors on assembly and testing techniques.

Maintain machine shop and produce various R&D parts using Bridgeport and lathe for test setups and devices.

XCELLEREX - Marlborough, MA 11/09 – 09/11

Engineering Technician – Electrical/Mechanical/R&D:

Assembly and test of 50, 100, 200, 500, 1000 and 2000L Bioreactors.

Assembly and test of 50,100,200,500 and 1000L plastic and SS jacketed Biomixers.

Assembly and test of electrical instrument Hoffman enclosures used for Biopharmaceutical equipment which includes fuses, power supplies, switches, cabling, sensors and sensor readouts, chip programming for motor drives, R&D components and electrical layouts.

Procure parts, hardware and tools used for projects and specialized equipment.

Create BOM’s for various mixer assemblies and associated components.

Document assembly processes, electrical and mechanical for all assemblies worked on, written and digital photographs.

Perform Field Service work when needed in the United States.

Train new, present employees and contractors on assembly and testing techniques.

BARBOUR STOCKWELL INC.- Woburn, MA 07/07 – 11/09

R&D and Manufacturing

Engineering Technician:

Assemble high speed spin test equipment and all ancillary equipment including hydraulics, vacuum equipment, mechanical assembly, gas, water and hydraulic plumbing, welding of mechanical assemblies, preventative maintenance and documentation.

Light machining, precision grinding to within .0005", inspection and assembly of precision bearing assemblies, heat treating of 4340 and A2 steels.

Help develop new assembly methods.

Retrieve Solidworks / AutoCAD drawings and associated documentation for equipment assembly.

Learned welding taking after hours courses : OAW, MIG, TIG and stick welding.

Utilized welding skills for product fabrication and subassemblies.

MILL LANE ENGINEERING - Lowell, MA 01/07 – 07/07

Manufacturing - High Vacuum Systems and Components

Senior Engineering Technician:

Assemble high vacuum equipment and all ancillary equipment including electrical, mechanical assembly, precision alignment or web rolls, gas and water plumbing, preventative maintenance documentation and He leak detection of all vacuum related equipment,

Help develop new assembly methods, prove them and transfer the technique to others.

Identify new equipment, material and tool requirements as needed to improve assembly processes.

MATERIAL SYSTEMS INC.- Littleton, MA 07/05 - 12/06

R&D and Manufacturing

Senior Engineering Technician:

Contribute to the development of one of a kind as well as standard acoustic sonar transducers for underwater use.

Help develop new assembly methods, prove them and transfer the technique to others.

Identify new equipment and material requirements as needed to improve assembly processes.

Performed and wrote procedures for the preventative maintenance and repair of manufacturing equipment such as epoxy pressure vessels, pneumatic epoxy dispensing machine, grit blaster and a programmable hydraulic press.

Write various instructional documents, such as, to instruct in the cleaning and inspection of parts in preparation for epoxy bonding as well as Process Operating Procedures (POP's).

AMERICAN SUPERCONDUCTOR - Westborough, MA 01/01 – 07/05

Cryogenic Engineering Department – Electric Motor and Generator Group (EMG)

Senior Vacuum Technician:

Helium leak testing and cryogenic support for EMG group.

Test and evaluation of 30 - 100 watt Gifford McMahon cryogenic coolers.

Contributed to the design, assembly and testing of a 5K horsepower superconducting motor.

Development of test fixtures and technical procedures for thermal, cryogenic and manufacturing applications.

Purchase and maintenance of equipment within the Leak Test Laboratory.

Precision electrical and mechanical assembly of motor subassemblies.

Associate Engineer:

Assist in the design, mechanical test and procedural documentation for low speed rotational seals.

Test and evaluation of newly designed neon and helium refrigeration systems.

Field service work relating to mechanical, electrical, cryogenic and refrigeration systems on an MVAR superconducting synchronized condenser motor for use on the power grid to control line voltage fluctuations.

Test and evaluation of subassemblies - mechanical and cryogenic.

Calibration of temperature sensors.

SS TECHNICAL SERVICES - Tewksbury, MA (This is my own business I do in spare time 02/03 – 12/03

Contractor to Natick Soldier Center (NSC) – Energy and Equipment Team

Technical Support Specialist:

Provided technical services to setup, test, and evaluate a prototype stirling cycle cogeneration system for military applications.

Install all ancillary fuel storage and delivery systems, hot water and space heating devices.

Collect data with a data acquisition system, i.e.: time, temperatures, noise and fuel consumption.

Prepare a report containing system energy balance, reconciling all energy going into and out of the system.

Assist engineering with selecting and proposing an environmental temperature/humidity chamber for ECU’s and refrigeration units.

Contractor to PTB Sales, 1331 Mountain View Circle, Azusa, CA 91702 10/05 - 12/06

Technical Writer:

Provided technical and written documentation for the complete disassembly, inspection/repair and reassembly of the CTI Cryo-Torr 8/8F Cryopump.

GEO - CENTERS, INC - Natick, MA 01/00 – 12/00

Contractor to Natick Soldier Center (NSC) – Energy and Equipment Team

Mechanical Technician IV :

Assist engineering staff as a food equipment specialist in the fabrication and testing of experimental pre-production equipment designed to meet present and next generation military requirements in the field. Equipment includes food service applications, heating devices, cogeneration technologies, thermoelectric devices, refrigeration and PLC controls.

Assist in food service equipment displays, presentations and demonstrations.

Develop test procedures and technical reports for various equipment including refrigeration, chiller units and thermoelectric devices.

Incorporate of modifications and design features, mechanical and electrical, into commercial and experimental equipment.

Detailed testing of mobile kitchens including acoustic measurements, sound abatement, heating devices and gas analysis.

Participate in safety audits, training and MSDS cataloging and HAZMAT training.

Attend meetings/conferences and acting as liaison to contractors regarding technical, operational and equipment requirements.

LOCKHEED MARTIN IR IMAGING SYSTEMS - Tactical Systems, Lexington, MA 11/89 – 12/99

Thermal/Structural Engineering Department

Technical Associate/Lead of Thermal Engineering Lab:

Thermal testing, set-ups and designs for programs company wide.

Company wide vacuum and cryogenic consulting including environmental chambers.

Performing tests and evaluation of watt stirling cycle coolers and Joule Thompson cryostats for THAAD IR sensors.

Prepare and analyze metallurgical specimens, tensile and hardness testing using ASTM methods.

Contribute to the design, assembly and analysis of a flexible thermally conductive link for JPL and NASA.

Development of high pressure cryogenic gas delivery systems used on various missile and space programs.

Design of mechanical/thermal test fixtures and assembly/test procedures for thermal and cryogenic applications.

Purchase and maintenance of equipment, MSDS cataloging and HAZMAT training.

Participate in environmental and safety audits and training.

Perform field service support requiring extensive U.S. travel.

Mechanical/cryogenic/cleanroom support for space satellite system (THAAD, AIRS and GOES: precision cleaning, assembly and test of satellite and missile hardware).

JANIS RESEARCH COMPANY, INC. - Wilmington, MA 06/85 – 11/89

Cryogenic Laboratory Department

Senior Lab Technician:

Train new and present employees on assembly and test of cryogenic equipment including optical cryostats, superconductive magnet systems and LHe transfer lines.

Interface with engineering and immediate supervisor to review assembly procedures and solving system problems.

Assist in field service support and in-house R & D.

Use of temperature controllers and various thermometry (Si, GaAs diodes, PRT’s and thermocouples) for cryogenic applications.

Handle, clean and install various optical elements into cryogenic devices.

Hardware/Software

Cryogenics: LHe/LN2 test dewars, Joule Thompson cryostats, leak detection, sterling cycle and Gifford McMahon coolers.

Test Equipment: HP 7500 data acquisition unit and HP Benchlink software, Ion and TC vacuum gauges, Instron (tensile/load testing), vacuum and turbo pumps, temperature controllers, thermometry, metalographic and electronic test

equipment.

Operating Systems: Windows 98 - 2000, HP Benchlink Software, Beginner SolidWorks

Welding: I have experience in OAC, GMAW, SMAW, and TIG.

Certifications/Clearances

Have been ESD and solder certified. Can obtain and hold a SECRET clearance.

CPR and AED certified.

Fork truck operation certified.

Education

University of Massachusetts, Lowell, MA 1989 - 1991

Multiple evening courses towards Mechanical Engineering Degree: College Algebra, Trig., Pre-Calculus, Tech Writing and English Lit., Engineering Drafting, Physics I and labs.

Awards

Technical Excellence Award 1997

SPOT Award 1993

Engineering Teamwork Award 1991

I am also viewable on www.linkedin.com

Professional references available upon request

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