Sean O’Brien – Sr. Engineer

240-***-**** –or- 301-***-****

acefsf@r.postjobfree.com -or- acefsf@r.postjobfree.com

h ttp://www.linkedin.com/in/seandobrien/

S U M MARY

Creative, project-oriented engineer with over 20 years of management, design and

analysis experience. H ighly innovative problem solver. Extensive experience with

consumer, industrial, automotive and Defense development as engineer, manager and

technical director. Active Secret clearance. Accomplished in:

o o

Mechanical Design Project & Program

o M anagement

o

Vendor

M anagement and 2D & 3D CAD

o

Development,

domestic & Acoustics &

i nternational V ibration

o o

Finite Element Test & Qualification

A nalysis

o

Team Building &

Leadership

EXPER I E NCE

Meggitt Sensing Systems, Germantown, MD 2011 –

2014

Senior Mechanical Engineer & Project Manager

Managed design and development of new sensor systems for Industrial and Mili tary

Customers

• Team Leader for Mechanical Engineering - managed work of department: 3

engineers and 1 technician.

• Technical lead on numerous concurrent sensor projects, both industrial and

m ilitary.

• Successfully managed multiple military aerospace and marine sensor

qualification projects and internal R&D projects, including key sensor systems

for a Navy helicopter program worth $1.6M to the company with a sales life of

20+ years.

• Led project to develop new high-temperature sensor that improved maximum

temperature performance by 40% with only a 10% increase in cost.

• Designed new components and systems for Navy using CAD, FEA and materials

research to satisfy tough weight and performance targets.

• Project manager and technical lead for innovative hand-held portable

electromagnetic shaker that could drive 3x as many frequencies and 20% more

weight than competition for same retail price.

• Developed proposals and designs for wearable blast sensors for monitoring

warfighters’ health that utilized proprietary technology and was thinner and

l ighter with better performance than competing sensors.

• Designed new test & measurement systems: One that tested 10 million

combined mechanical and thermal cycles for military sensors; Another saved

$10k per test by internalizing tests previously done at outside facilities.

• Wrote and edited patent applications for the Maryland division, including 1

g ranted. Analyzed and advised Sr. Management on competitors’ patents for

p rior art.

• Inst rumental in filling 5 open positions in company, both permanent and

contract.

Polk Audio, Baltimore, MD 2002 -

2011

Senior Engineer & Technical Director

Developed audio systems and subsystems for Polk products

• Managed all technical aspects –acoustical, electromagnetic, mechanical- of

t ransducer development for all Polk products; Had significant input on 95% of

Polk’s product lines.

• Technical director for multiple simultaneous projects.

• Lead development of automotive systems including Signature Reference, Mobile

M onitor and DXi that were responsible for over 90% of company’s sales in mobile

loudspeaker market.

• Inst rumental in developing new test methodology, tone-burst testing, that is now

an industry-wide test and which delivered significant improvements to product

d urability including doubling the life of subwoofers.

• Developed extensive foreign suppliers and sub-suppliers; Directed them in

designing, building and testing products for Polk, including t roubleshooting

performance and process functions on sight.

• In tegrated product lines from merged division into Polk’s development process

and improved performance of those product lines while handing them off to new

vendors.

• Performed all FEA work, including acoustical, electromagnetic and thermal

• Developed and maintained measurement systems, including laser-based

t ransducer tests systems that created new testing methodologies.

• Created simple-to-use spreadsheet based tools that Engineering used to

accelerate development work.

• Managed work of 1-3 technicians.

U.S. Patent & T rademark Office 2001 -

2002

Patent Examiner

• Specialized in examining patents relating to internal combustion engines and

medical devices.

Walker Electronic Silencing,

D ivision of Tenneco Automotive, L inthicum, MD 1999 -

2001

Senior Engineer

Created and developed cutting-edge active noise control systems for domestic and

foreign automotive and industrial customers

• Managed development of key subsystems and integration of electronic exhaust

systems, including electronic hardware, software, and t ransducers.

• Improved durability of system by a factor of 10

Noise Cancellation Technologies, I nc., Linthicum, MD 1996 -

1999

Lead Product Engineer

Developed new and modified existing home, professional, aeronautical and automotive

p roducts to maximize acoustical performance

Onkyo America, Columbus, I N 1995 - 1996

Design Engineer

Cost-effective t ransducer and system design for automotive OEMs

Ha rman-Motive, Mar tinsville, I N 1991 -

1994

Design Engineer

H igh-performance t ransducer designs for premium OEM audio systems

E D UCAT ION

• M.Sc. Engineering Management, The George Washington University, DC

• B.S. Acoustical Engineering, Purdue University, W. Lafayette, I N

T RA I N I NG

•

• •

Project Management, including Finite Element Analysis (COMSOL,

Earned Value Analysis A NSYS)

• •

Systems Engineering Forklift operation

• Multiple CAD/CAE Systems

( Inventor, Pro/E, AutoCAD, others)

ADD I T IO NAL I N FOR MAT IO N

•

• •

Secret Clearance One patent awarded (#6,142,254)

• Passed EIT

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