Aeronautical Principal Engineer at Lockheed Martin
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OBJECTIVE A rewarding position of responsibility that offers the opportunity for advancement and professional growth by allowing me to apply my skills of complex problem solving using my extensive scientific engineering knowledge, experience and ingenuity while assisting in areas of project management, communication and leadership.
ENGINEERING
• Proficient in planning and executing complex software Integration and Verification projects including end-to-end test development and implementation for Space Station and Space Shuttle.
• Skilled in large scale project system engineering and integration including Space Station and Shuttle Systems Engineering & Integration
• Plan and implement Shuttle and Space Station Simulation and Test Environment Requirements Definition, Integration, and development to support Software Integration and Verification
• Experienced in all aspects of aerospace flight vehicle system integration, design, and requirements development in support of Shuttle upgrades and Space Station
• Experience in aerospace vehicle ascent and on-orbit flight trajectory design and analysis, as well as flight software reconfiguration product integration
• Plan and implement development, test and quality assurance philosophies and methodologies for DOD and NASA Software Systems
• Effective in organizing and leading integrated product development teams
MANAGEMENT
• Effective Subcontractor and associate contractor management
• Skilled in Proposal development, evaluation, and negotiation
• Effective supervision and training of personnel including recruitment, staffing, etc.
• Skilled in large program planning including scheduling, creation of Work and Organizational Breakdown Structures
• Skilled in development and implementation of cost reduction policies.
• Highly trained through formal company-sponsored training including Ford Motor Company Supervisory Skills Institute, Situational Leadership II, Total Quality Management, etc.
Verification and Validation lead for Orion Multi Purpose Crew Exploration Vehicle (MPCV) Guidance, Navigation, and Control (GN&C) subsystem. Planning and implementing requirements development, and verification for Design, Development, Test and Evaluation phase of the GN&C verification in support of pad, high altitude abort flight tests, Exo Low Earth Orbit flight tests (i.e., EFT-1 hand crewed Beyond Earth Orbit destination missions. Awarded NASA agency level and Johnson Space Center Innovations and Inventions Software of the year award for Orion Guidance Navigation and Control Software used for Exploration Flight Test 1.
Provide requirements for Ground Test Facilities used for developmental risk mitigation and formal verification, including Autonomous Rendezvous and Docking lab, Exploration Development Lab, and Integrated Avionics and Software Test Labs. Including developing and implementing the validation of high fidelity simulations used for formal verification by analysis of CEV requirements.Responsible for the identification of verification and test approaches and processes for ground and flight test program. Identify ground test facilities and test requirements, both project and institutional to minimize operational risk to the Orion spacecraft. Supported mode team leads in identifying and prioritizing development and operational risk areas, focusing on low Technology Readiness design solutions such as Autonomous Rendezvous, Proximity Operations, Docking and Undocking of the Orion Crew Exploration Vehicle with target vehicles and lunar navigation approaches. Current focus is on the Test and Verification of the GN&C subsystem for the Exploration Flight Test 1 mission. Developing and dry running of test procedures using innovative tools my team developed to automate analysis, test evaluation of test data.
Project Engineer responsibilities include collection and analysis of Shuttle Flight Readiness Statements, issue identification, resolution, and reporting at the Software Readiness Review and Flight Readiness Reviews, as necessary. Responsibilities include Program Change Request evaluation and assessment of impacts. Serving as Shuttle Avionics and Software technical area lead and have provided Shuttle Design Certification Review Support in this capacity. My position often required the ability to provide a team with leadership and direction of tasks, frequently requiring the exhibition of an exceptional degree of ingenuity, creativity and resourcefulness, and is responsible for product quality and delivery to schedule and cost objectives.
Project Engineer responsible for the coordination and technical direction within Boeing NASA Systems Shuttle Flight Systems and Software Engineering (FS&SE) Department for new Space Shuttle Orbiter avionics and flight software projects, as well as assigned hardware items, through development stages. Duties include the coordination and management of support from a diverse set of matrixed engineering organizations, both within and external to Boeing. Responsible for estimating, developing and maintaining schedules and costs associated with the implementation of Shuttle Orbiter upgrade projects, as well as Shuttle Program changes affecting flight software in the Flight Systems and Software Engineering Department. Served as lead requirements and verification engineer for Cockpit Avionics Upgrade (CAU) Shuttle Abort Flight Management (SAFM), CAU Displays, and CAU C-Loads prior to cancellation. Serving as Boeing Flight Software lead requirements and verification engineer for Station to Shuttle Power Transfer Subsystem, Remote Controlled Orbiter and Shuttle Derived Launch Vehicle.
Served as lead verification engineer for Cockpit Avionics Upgrade (CAU) Shuttle Abort Flight Management (SAFM). Developed strategic, tactical and baseline verification approaches for incorporation in verification products. Served as interface to the SAFM Principal Function Manager to develop and implement test sponsor requirements. Duties included development of test plans, procedures, automated scripts, serving as test conductor/test engineer, test troubleshooting, and reporting test results. CAU verification duties also included supervision of and coordination with associate and subcontractor support to Contract End Item and system level verification and validation.
Served Chief Engineer as Upgrades Program Systems Engineering and Integration technical authority as related to flight software design, development, test, & evaluation, and verification & validation program planning and implementation as a member of the Chief Engineer's staff.
Served as functional architect for CAU Fault Detection, Identification, and Recovery (FDIR) principal functions. Architect responsibilities included managing the translation of stakeholder requirements into specific system, application and process designs. Developed strategic, tactical and baseline architectures in hardware and application software domains. Coordinated reviews of the architecture of existing applications and played a coordinating role by holding JAD sessions for the avionics chief engineer and lead architects within the project. Responsibilities included a wide range of design activities from requirement analysis through systems application and /or process design specification. Duties also included concept of operations and utilization development, identification and resolution of requirements and design disconnects.
Performed Stage Flight Software Verification as Test Engineer for group responsible for International Space Station Command and Data Handling (C&DH) software in support of the International Space Station project. Assigned as lead test engineer for Stage Software Verification activities associated with Guidance, Navigation, and Control (GN&C). Served as test director for Russian Space Agency (RSA), Orbiter Interface Unit (OIU), and United States On-orbit Segment (USOS) C&DH flight software and GN&C interface verification. Duties included development of test plans, procedures, automated scripts, serving as test conductor/test engineer, test troubleshooting, and reporting of test results. Duties included supervision of associate and subcontractor support to stage verification and validation. Supported program organization and management approach based on F-22 IPT/AIT methodologies. Experienced with program execution in a multi-company teaming environment.
Performed tasks to manage, integrate, and use simulation software/models required for the integration & verification of SSF and ISS Flight Software and Avionics by the Boeing Prime, Work Packages/PG, Level II, KSC, and SSF/ISS Crew and Payload Training Facilities. Tasks include definition and development of products used to identify simulations developed by various program participants, the technical characteristics of those simulations, and user facility requirements.
Performed management functions as unit supervisor for the Space Station Engineering and Integration Contractor (SSEIC) under Space Station Freedom (SSF) and for follow-on Prime Contractor Boeing for ISS. Led a team of engineers and associate contractor. Duties included the coordination of task personnel and technical support to the prime contractor, Grumman. Developed and maintained Engineering Master Schedules for Space Station software and avionics systems integration and verification activities. Defined and prioritized tasks, products, and manpower. Duties also included the coordination and monitoring of technical personnel from other SSEIC/Prime organizations, Work Packages/Product Groups (PGs), International Partners and KSC. In addition, served as Level II Simulation Requirements and Standards Working Group splinter technical panel chairman under SSFP. Assigned lead position over a Software Verification Facility (SVF) Simulation Working Group with similar responsibilities.
Developed requirements for Level II Integration and Verification facilities concerned with Flight Software Release Build and Verification, as well as Integrated Avionics verification and certification. Duties include the definition of required SSF and ISS Avionics Components, both Flight Software and Hardware. Also defined facility Test Control and Monitor Requirements including the Test Environment and supporting simulations to successfully perform Horizontal Flight Software I&V task. Duties also include the I&V process definition, as well as estimation of required T&O support from WP/PG developers. Process definition includes the assessment of user requirements (e.g., JSC MOD, SSVTF, KSC, and WP/PG IACOs for Flight Software and simulation product deliveries. Additional duties include the development of Requirements Traceability and Verification Matrices which identify allocated verification requirements and supervision of subcontractor responsible for facility development.
Assessed Shuttle hardware and mission operations enhancements and impacts and resulting from the replacement of the Solid Rocket Boosters with Liquid Rocket Boosters (LRBs). Tasks included the coordination of hardware developer contractors, Marshall Space Flight Center Project Office, and JSC Mission Operations and Engineering Directorates. Assessed Kennedy Space Center facilities impacts resulting from deployment of an LRB, including the analysis of KSC launch tower clearances for various booster designs.
Defined Level II mission requirements, groundrules, and constraints. Analysis included the development of Baseline Reference Missions, consisting of target performance goals to serve as design points used as a basis for H/W developer designs. Analyzed proposed configurations to verify Reference Mission, as well as programmatic requirements were met, and provided feedback. Tasks included the coordination of requirements and analysis results with Martin Marietta, General Dynamics, Marshall Space Flight Center, and Rockwell Downey. Performed task management functions as LRB Integration Lead such as coordinating and integrating tasks and personnel in the LRB integration assessment. Duties also included the coordination and monitoring of technical personnel from other LESC departments, subcontractors, and Mission Operations Directorate as required to support the assessment of LRB systems.
Provided Analysis and flight design of Space Shuttle Ascent Abort flight phases including Return-to- Launch-Site and Transoceanic Abort Landings. Duties included the design and testing of flight software initialization loads using 3-DOF and 6-DOF simulation support tools. Performed ascent trajectory integration for Space Shuttle flight design activities as lead Ascent Flight Design Integrator. Duties included the coordination and scheduling of flight design tasks associated with mission planning of conceptual and operational flight profiles, flight software initialization load change request delivery and ascent flight design product development and quality assurance.
Served as secretary for the Abort Mode Implementation Group in support of post Challenger accident return to flight. Duties included documentation of findings and reporting of results directed as a result of Roger's Commission Findings. Results included changes to reduce the probability of catastrophic failure (e.g., preflight placarding due to natural and induced environmental conditions, enhanced nominal and intact abort vehicle margins( and future studies of new innovative Abort strategies, including Split-S Return to Launch Site, Glide return and other potential Guidance and Control changes.
Lead Test Engineer for group responsible for the Independent Verification and Validation of Simulator Reconfiguration System software in support of the Shuttle Mission Simulator Multi- Mission project, as well as flight controller workstation Mission Support Software in the Space Shuttle Mission Control Center.
Software systems engineering and test for the Liquid Hydrogen LH2, Liquid Oxygen LO2, and Launch Accessory Checkout Control and Monitor Subsystem Applications Programs for West Coast Space Shuttle automated launch operations in support of the United States Air Force and NASA launch site (Space Launch Complex-6). Analyzed requirements, engineering specifications, drawings, and operations criteria to design operational software used in External Tank lightweigh tank cryogenic load and drain operations. Developed formal test plans and procedures designed to demonstrate software capabilities and detect anomalies. Conducted Formal Qualification Tests, isolated software anomalies and directed the correction of affected modules. Evaluated hardware and software change requests and developed impact assessments. Significant accomplishments were development of an innovative test approach to LH2 fill and drain Reactive Control Logic software and hardware that lead to discovery of integrated hardware and software timing defects that could have caused catastrophic failure of the Launch Processing System and External Tank. High Fidelity simulations of the internal External Tank and loading system environment allowed testing to predict the probability that under certain conditions of ET propellant quanities, vent valve operations, and safing of the ground loading valves a over spec pressure spike might be experienced at the storage tank. Initially thought to affect only the Vandenberg automated system, I was informed later found to affect Kennedy Space Center LPS safing software and nominal loading process as well. West Coast Shuttle was terminated eventually due to the Challenger accident, but efforts there led to changes at Kennedy Space Center as well.
The present invention relates to one or more ground tubes connected and channelized to provide a counter-flow heat exchanger with an annular space to permit water injection into the subsurface water table.
The course Management of Engineering Projects focuses on using a system engineering approach for project management. Practical assignments are combined with accepted standards for managing and leading engineering projects. This includes topics such as risk, time and resources management of engineering projects among other subjects.
A preview of what LinkedIn members have to say about David:
David is a true source of industry and 'how to get it done' knowledge. He always seemed to know what, why, who, and how the job at hand was being done. Great to work with and a true value to his employer.
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