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Fri, 18 Sep 2020 20:34:34 +0000
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Xage Security, a Silicon Valley cybersecurity startup, announced a contract Sept. 17 to develop a data protection strategy for the U.S. Space Force. SpaceNews
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The longtime president of the Commercial Spaceflight Federation is stepping down next month to become an executive with one of the organization’s member companies. SpaceNews
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Wed, 16 Sep 2020 23:17:14 +0000
The contract is for the Evolved Strategic Satellite Communications program, known as Evolved Strategic Satcom. SpaceNews
Wed, 16 Sep 2020 22:21:45 +0000
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Wed, 16 Sep 2020 22:11:10 +0000
The sixth Advanced Extremely High Frequency (AEHF-6) communications satellite successfully completed on-orbit testing Aug. 27. SpaceNews
Wed, 16 Sep 2020 20:27:23 +0000
Lockheed Martin will analyze the risks in the process of migrating a SBIRS geosynchronous satellite to the next-generation Enterprise Ground Services. SpaceNews
Wed, 16 Sep 2020 11:42:12 +0000
The lunar lander under development by Dynetics for NASA’s Artemis program will make use of in-space refueling of cryogenic propellants and require three launches in quick succession, company officials revealed. SpaceNews
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  • CV: Aerospace Technologist GNC

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    Personal information
     Name:<withheld>
     Age:<withheld>
     Country:<withheld>
     Location:<withheld>
    Contact information
     Email:<withheld>
     Phone:<withheld>
     Mobile:<withheld>
    Candidate Profile
     Date Submitted:18-05-2013
     Last Modified:19-05-2013 (04:54)
    Job information
     Current job:Aerospace Technologist GNC
     Employment Term:Permanent
     Job location:Anywhere
     Date available:immediately
     Industry:Satellite Operators
     KeywordsGNC analysis and design, Systems Engineering, spacecraft operations
    CV

    AST Control Systems, GS 14

    NASA Langley ED/ESB

    August 2009 – Present

     

    EXPERIENCE:

    As a PI for Advanced Flight Computer (AFC) running Single Event Effects (SEEs) radiation detection testing algorithms on MISSE-X experiment, I conducted regular technical review meetings with manufactures (Space Micro), algorithm developers at JPL and MISSE X team members at Langley to resolve technical issues during design, development, and testing.

     

    As a LaRC team member of IPAS (Integrated Power, Avionics, and software)  integration test bed facility  at JSC, I  coordinated with C&DH team to develop Model  Based System engineering (MBSE) models for the design,  analysis and testing of interfaces  (using Magicdraw & SysML tool) for the  Advanced Exploration Systems (AES) projects.

     

    As a Common Instrument Interfaces (CII) project manager, directed the team members from JPL, GSFC, ARC, MSFC, and LaRC centers in developing CII guidelines for the Earth Science Missions.   Also arranged workshops with CII stakeholders and PIs for the new Earth Science instruments and reviewed NASA draft guidelines.

     

    Studied the test setup details for the ORION Boiler Plate Test Article (BTA) drop test for impacting in the water at constant attitude and calculated velocity and position from accelerometers and rate gyros data.  Developed Matlab scripts and compared analytical impact velocity and position of BTA with the sensor measurements.

     

    As a Lead Attitude Control system Engineer for CLARREO spacecraft, I ran the simulations for the analysis of control laws and made successful presentation at Peer and Integrated Mission review meetings.

    DFRC/ Structures branch, GS 13, CA

    May 2008 – August 2009

     

    EXPERIENCE:

    Reviewed design documents for the ARES launch abort system (LAS) structures and verified that strength, stiffness, and other requirements are satisfied with good safety margins. Also analyzed LAS Attitude Control motor design requirements, initial concepts, and PDR presentations.

     

    Coordinated with team members and measured CG and mass properties of Crew Exploration Vehicle (CEV) using load cells.

     

    Senior Software Engineer

    Instrynx Technologies Corporation, CA

    June 2007 - May 2008

     

    EXPERIENCE:

    Writing skills in developing Algorithm and equation specifications documents for NASA Exploration Systems Mission Directorate (ESMD) Constellation Program

     

    Reviewed Crew Launch Vehicle (CLV) and Crew Exploration Vehicle (CEV) documents related to Propulsion Engineering domain including both solid and liquid rocket propulsion systems and discussed various technical approaches with other multi discipline modeling team members. Knowledge of producer/consumer maps and identification of the components and devices for several subsystems of the propulsion system models.

    Had knowledge in developing mathematical models for different types of loads acting on the Flight vehicles and flight mechanics. Had experience in the rule based expert systems and gathering domain knowledge for the development of propulsion engineering models.

    Lockheed Martin Company, CA

    Senior Software Engineer

    December 2005 – April 2007

     

    EXPERIENCE:

    Mission design, mission analysis and flight vehicle operational experience skills to identify primary and secondary mission objectives and transformation of these objectives to set of mission requirements and constraints on the space missions, and their operations.

     

    Provided technical and leadership skills for the design, analysis and testing of Space Based Infrared Sensors (SBIRS) Spacecraft Flight Systems.

     

    QSS Group Inc. /SGT, MD                  

    Senior Systems Engineer

    January 2002 – December 2005

     

    EXPERIENCE:

    Wrote  test scripts for normal spacecraft operations such as daily momentum dumping, station keeping and Delta V maneuvers.  Developed skills in command execution and anomalies resolution of spacecraft during orbit maneuvers.

     

    Computer Sciences Corporation, MD

    Senior Computer Scientist

    August 2000 – January 2002

     

    EXPERIENCE:

    Mission Analysis and Mission design skills for the architecture for end-to-end Low Rate Information Transmission (LRIT) of GOES imagery in digital format.

     

    Software Corporation of America, MD

    Senior Software Engineer

    October 1999 – August 2000

     

    EXPERIENCE:

    Integration testing for Science Key Parameter Generation Software (KPGS) for different NASA Spacecraft.

    Level Zero processing of Instrument data, updating calibration files for different instruments and maintenance of Central Data Handling Facility (CDHF) database.

    Netplex Inc., VA
    Programmer/Analyst
    01/1999 - 09/1999

     

    EXPERIENCE:

    Developed and tested software programs for Revenue Management system involving DB2, QMF and Embedded SQL.
     

    Orbital Sciences Corporation, VA
    Principal Systems Engineer
    08/1997 - 10/1998

     

    EXPERIENCE:

    Defined attitude and orbit control subsystem architecture and interfaces for the Vegetation Canopy Lidar (VCL) program including propulsion requirements for the orbit raising and attitude maneuvers. As a lead Attitude Control System (ACS) engineer for VCL program, performed on orbit disturbance torque analysis and sized reaction wheels, thrusters and torque rods.


    Reviewed VCL attitude knowledge and pointing requirements and participated in the selection of VCL sensor complement (LN 200S and AS201 star tracker) based on the covariance analysis for different gyros with program constraints such as cost and weight. Participated in the preparation of VCL concept, preliminary design, detailed design and critical design review documents and made effective presentations to the review panel.

     

    Computer Sciences Corporation, MD
    Computer Scientist
    04/1990 - 08/1997

     

    EXPERIENCE:

    Served as task leader and provided technical direction for studying mission support problems for several NASA missions such as Hubble Space Telescope, Cosmic Background Explorer, Extreme Ultra-Violet Explorer, WIND, POLAR, SAMPEX, FAST, and DE. Experience in developing simulation models for the flight systems and flight vehicle designs.

    Simulated accelerometers output used for controlling the WIND spacecraft orbit during the radial maneuvers using thrusters and studied the effect of torques due to thrusters on the accuracy of DELTA-V calculations.

    Knowledge of launch system environment for the design of spacecraft (Acceleration, Vibration, Aerodynamic, Acoustic and Shock) subsystems.

    Informatics Inc., MD
    Senior Analyst
    03/1988 - 03/1990

     

    EXPERIENCE:

    Developed simulator and  analyzed LACE spacecraft dynamics and control laws.
    Also analyzed the trimming of pitch librations of LACE satellite using flexible booms for tracking the plumes of missiles and targets within the specified accuracy limits.

    Indian Space Research Organization, India
    Lead Integration & Flight testing
    01/1970 - 08/1984

     

    EXPERIENCE:

    Provided integration and flight-testing operational support for several launch vehicles consisting of solid and liquid propulsion stage motors. Had experience in the design and development of propulsion systems

     

    EDUCATION:

    Ph.D Aerospace Engg, Howard University, USA

    MS Computer Science, University of Maryland, USA

    MS Engineering Mechanics, Indian Institute of Technology, India

    BS Mechanical Engineering, Andhra University, India

     

    TRAINING:

    • Proposal Writing course Nov. 03, 2011
    • Briefing and Presentation skills course Nov. 16, 2011
    • APPEL-Crucial Conversationsat NASA Headquarters in Washington, DC on

    February 6-7, 2012

    • Attended NASA Project Management (PM) Challenge held in Orlando, Fla., on

    Feb. 22- 23, 2012.

    • LaRC Project Management System Engineering course

     

    AWARDS/HONORS:

    NASA Group Achievement Award for IPAS Pathfinder Team 2012


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