William Sheehan Email & Phone Number

Software Test Engineer - Quality Assurance Engineer @ ManTech

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William Sheehan Location

Abingdon, MD, US

William Sheehan Work

Software Test Engineer - Quality Assurance Engineer @ (November 2025 - Present)
Software Engineering, Senior Advisor - Cyber Solutions (BU) @ (April 2025 - July 2025)
Hardware Software Development Engineer @ (April 2024 - February 2025)
Cyber Software Engineer, Sr. Staff @ (September 2020 - March 2024)
Cyber Engineer @ (September 2019 - March 2020)
Principal Software Development Engineer @ (April 2018 - September 2019)
Cyber Software Engineer @ (April 2017 - April 2018)
Senior Embedded Software Engineer @ (August 2016 - April 2017)
Associate @ (May 2015 - August 2016)
Software Engineering Consultant @ Engineering Service Profesonals Inc (February 2015 - May 2015)
Security Consultant - US Federal @ (August 2013 - February 2015)
Lockheed Martin MS and T Consulting Software Engineer @ Donatech Corporation (thru DCR Workforce) (January 2013 - June 2013)
Senior Member Technical Staff @ (September 2006 - January 2012)
Software Consultant @ ESP/Engineering Service Professionals (August 2006 - September 2006)
Software Engineer, Sr. @ DynaLantic Corporation (March 2003 - July 2006)
Software Consultant at General Dynamics @ Systems Pros (January 2002 - January 2002)
VxWorks Consultant (for TomoTherapy) @ (November 2001 - December 2001)
Senior Field Software Engineer, post-sales @ (January 2000 - January 2001)
Software Staff Engineer and Principal Analyst @ (January 1997 - January 1999)
Senior Software Engineer @ (January 1996 - January 1997)
Senior Systems Engineer @ (January 1994 - January 1996)
Consultant @ Safe Flight Instrument Corporation (January 1993 - January 1993)
Software Engineer (EDO Corp) @ (January 1986 - January 1992)

William Sheehan Education

Manhattan College
MEEE (Electrical, Computer Science Engineering)
Manhattan College
BEEE (Electrical Engineering)
Queensborough Community College

William Sheehan Skills

NIST 800-53
Public Key Cryptography
Embedded Systems
Embedded Software
Software Design
Testing
VxWorks
Software Development
TCP/IP
C
Linux
Software Engineering
Integration
Operating Systems
Object Oriented Design
Unix
Simulations
System Architecture
RTOS
Configuration Management
Eclipse
Visual Studio
Security Clearance
Debugging
Systems Engineering
DO-178B
Telelogic DOORS
C#
Solaris
Software Configuration Management
MKS
UDP
SDLC
Requirements Management
System Design
VSS
VMware
ISO
Team Building
HP-UX
ITAR
Cross-platform Development
Workbench
Ada Language
GPS
VDD
DOORS
Assembly
PPC
Motion Simulator
Verification
ClearCase
Air Force
SQL Server
Domain Driven Design
Consulting
Specifications
Sound
X11
Infrastructure
Windows
User Experience
Sales
Net
Analog
Hubs
Proof
Revisions
Mentoring
Oversight
Purchase
Visuals
Liability
Rational Apex
Customer Support
Flexlm
Satellite Tool Kit
MMA
Design
VMS
Cyber
CompTIA
Security
Cross Platform Development
Programming Languages
Hub
Metrics
Serena
Procedure Development
Signal
RFQ
MS Excel
Assembly Language
Graphs
Reliability
Messaging
Networking
Software Requirements
QNX
Timing
IP
Cross Platform
Test Execution
Wireshark
Tests
Project Cost
Engineering
TCL
CVS
Pcap
Timers
Sound System
Ethernet
Wind
Microsoft Office
Computer Programming
Android
Training
Contractor Selection
Control Software
MKS Integrity
RTI
Planning Software
Bids
Teamwork
Psos
Tornado
CGI
Hardware
Inspection
SEI CMM
STK
GUI
R
Software Verification
Workstations
Telemetry
Kubuntu
Sockets
Software Build
Intel
Sniffer Pro
Modifications
TCP
Quality Assurance
OpenGL
Gnu C
Cost Savings
ATP
Operations
New Media
Command
Microsoft Access
GIS
Change Management
CMS
Assembler
PowerPC
Security Audits
Icd
IDE
SQL
Open Systems Architecture
Electronic Warfare
Servers
Project Support
Software Integration
Windchill
Tcpdump
Milestones
Subversion
Code
Unit Testing
Fddi
Dfd
Resources
Visual Effects
Interfaces
FoxPro
Government
Prevention
NIST
Hp Ux
CAD
Microsoft Dynamics
Nispom
Visio
SAS
Software
Oracle
Satellite
Test Scripts
Do 178b
Analytical Skill
Cash
Administration
JavaScript
C++
Sniffer
Console
Software Configuration
Requirements Traceability
Legacy Systems
Aerospace
Device Drivers
Emulator
DBMS

William Sheehan Summary

William Sheehan, based in Abingdon, MD, US, is currently a Software Test Engineer - Quality Assurance Engineer at MANTECH. William Sheehan brings experience from previous roles at Peraton, Clarity, Lockheed Martin and CACI International Inc. William Sheehan holds a MEEE in Electrical, Computer Science Engineering @ Manhattan College. With a robust skill set that includes NIST 800-53, Public Key Cryptography, Embedded Systems, Embedded Software, Software Design and more. William Sheehan has 3 emails and 8 mobile phone numbers on RocketReach.