William Sheehan Email & Phone Number
Software Test Engineer - Quality Assurance Engineer Expert @ ManTech
5 free lookup(s).
No credit card required.
William Sheehan Location
- Abingdon, MD, US
William Sheehan Work
- 2025 - now Software Test Engineer - Quality Assurance Engineer Expert @
- 2025 - 2025 Software Engineering, Senior Advisor - Cyber Solutions (BU) @
- 2024 - 2025 Hardware Software Development Engineer @
- 2020 - 2024 Cyber Software Engineer, Sr. Staff @
- 2019 - 2020 Cyber Engineer @
- 2018 - 2019 Principal Software Development Engineer @
- 2017 - 2018 Cyber Software Engineer @
- 2016 - 2017 Senior Embedded Software Engineer @
- 2015 - 2016 Associate @
- 2015 - 2015 Software Engineering Consultant @ Engineering Service Profesonals Inc
- 2013 - 2015 Security Consultant - US Federal @
- 2013 - 2013 Lockheed Martin MS and T Consulting Software Engineer @ Donatech Corporation (thru DCR Workforce)
- 2006 - 2012 Senior Member Technical Staff @
- 2006 - 2006 Software Consultant @ ESP/Engineering Service Professionals
- 2003 - 2006 Software Engineer, Sr. @ DynaLantic Corporation
- 2002 - 2002 Software Consultant at General Dynamics @ Systems Pros
- 2001 - 2001 VxWorks Consultant (for TomoTherapy) @
- 2000 - 2001 Senior Field Software Engineer, post-sales @
- 1997 - 1999 Software Staff Engineer and Principal Analyst @
- 1996 - 1997 Senior Software Engineer @
- 1994 - 1996 Senior Systems Engineer @
- 1993 - 1993 Consultant @ Safe Flight Instrument Corporation
- 1986 - 1992 Software Engineer (EDO Corp) @
William Sheehan Education
- Manhattan College
MEEE (Electrical, Computer Science Engineering)
- Manhattan College
- 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 Expert 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 6 mobile phone numbers on RocketReach.
5 free lookup(s).
No credit card required.
If you need more lookups,
subscriptions start at $34 USD/month.
Looking for a different William Sheehan?
Find contact details for 700 million professionals.
Others Named William Sheehan
William Sheehan
Portfolio Manager
Dallas, TX, US
William Sheehan
Staff Software Engineer
Spokane, WA, US
William Sheehan
Regional Sales Manager
Washington, DC, US
William Sheehan
Senior Director of Legal Affairs
Chapel Hill, NC, US
William Sheehan
Chief Executive Officer
Holbrook, NY, US
William Sheehan
Partner
Albany, NY, US
Top ManTech Employees
Paul Beckman
Chief Information Security Officer
Washington, DC, US
Kevin Phillips
President and CEO
Herndon, VA, US
Darlene Frantz
Vice President, Real Estate Services
Herndon, VA, US
Mike Uster
CIO and CTO, Sr. Vice President at ManTech
Alexandria, VA, US
Steve Lipson
Vice President, Strategic Pursuits
Herndon, VA, US
Gary Grimes
Vice President and Chief Acceleration Officer
Washington, DC, US
Stephen Comber
SVP and General Manager
Washington, DC, US
Tracy Durkin
Vice President Security
Warrenton, VA, US
Kathleen Henry
Vice President Finance and Business Operations
Herndon, VA, US
Michael Humphrey
CNO Cloud Cybersecurity SME
San Antonio, TX, US
Johnathan Villalobos
Chief Technology of Engineering
United States
David Hathaway
President, Defense Sector
Washington, DC, US
John Rigoli
Managing Director
Sterling, VA, US
John Lossing
Vice President - Industry Compliance
Arlington, VA, US
How It Works
Get a Free Account
Sign up for a free account. No credit card required. Up to 5 free lookups. 
Search the #1 Contact Database
Get contact details of over 700M profiles across 60M companies - all with industry-leading accuracy. Sales and Recruiter users, try out our Email Finder Extension. 
Use our AI-Powered Email Finder
Find business and personal emails and mobile phone numbers with exclusive coverage across niche job titles, industries, and more for unparalleled targeting. Also available via our Contact Data API. 
G2 Crowd Trusted
300K+ Plugin Users
© 2026 RocketReach.co