Latest Space News
Sun, 17 Nov 2019 23:42:07 +0000
Maj. Gen. Stephen Whiting said the transfer of space traffic management responsibilities can't happen until Commerce gets the necessary resources. SpaceNews.com
Fri, 15 Nov 2019 22:36:16 +0000
The 10-year contract is for operations and support of the Advanced Extremely High Frequency, Milstar and Defense Satellite Communications System constellations. SpaceNews.com
Fri, 15 Nov 2019 18:51:17 +0000
Exos Aerospace said the failed launch of a reusable suborbital sounding rocket last month was caused by a structural failure of the rocket shortly after liftoff. SpaceNews.com
Fri, 15 Nov 2019 12:28:02 +0000
NASA’s inspector general warned in a new report that, because of commercial crew delays, utilization of the International Space Station will drop sharply in 2020 and that NASA runs the risk of losing access entirely by next fall. SpaceNews.com
Thu, 14 Nov 2019 23:52:00 +0000
EchoStar has ordered two tiny S-band satellites from Tyvak Nano-Satellite Systems to jumpstart a low-Earth-orbit constellation using spectrum gained through its October acquisition of IoT startup Helios Wire.  SpaceNews.com
Thu, 14 Nov 2019 22:06:27 +0000
NASA paid Boeing nearly $300 million more than originally planned in its commercial crew contract in part because of agency concerns that the company might drop out of the program, a new report claims. SpaceNews.com
Thu, 14 Nov 2019 21:47:58 +0000
SDA is the new term replacing Space Situational Awareness, according to an Oct. 4 memo from Air Force Space Command. SpaceNews.com
Thu, 14 Nov 2019 20:29:46 +0000
Loft Orbital has raised a fresh $13 million to continue development of a constellation of small satellites purpose-built to carry a mix of payloads for customers who don’t want to fly their own satellites.  SpaceNews.com
Thu, 14 Nov 2019 17:19:54 +0000
With growing bipartisan skepticism that NASA’s current plan to return humans to the moon by 2024 is achievable, members of the House Science Committee used a Nov. 13 hearing to advocate for a different, and arguably more conventional, approach. SpaceNews.com
Thu, 14 Nov 2019 12:04:44 +0000
SpaceX successfully tested Nov. 13 the thrusters used as part of the abort system for its Crew Dragon spacecraft, nearly seven months after a similar test resulted in the loss of another spacecraft. SpaceNews.com
Thu, 14 Nov 2019 04:49:10 +0000
The Senate Commerce Committee approved Nov. 13 a NASA authorization bill introduced a week earlier to extend the life of the International Space Station and support other agency programs. SpaceNews.com
Thu, 14 Nov 2019 01:37:18 +0000
Launcher won its first government funding when the U.S. Air Force awarded the the Brooklyn-based startup $1.5 million to accelerate development and testing of its E-2 rocket engine. SpaceNews.com
Wed, 13 Nov 2019 22:52:54 +0000
Chairman Adam Smith said House-Senate divide is deepening over the establishment of a Space Force SpaceNews.com
Wed, 13 Nov 2019 21:01:43 +0000
Mark Rigolle, CEO of LeoSat, told SpaceNews Nov. 13 that the company laid off all 13 employees — himself included — in August after its earlier investors decided not to fund the company any longer.  SpaceNews.com
Wed, 13 Nov 2019 19:41:33 +0000
Isotropic Systems has completed two-way communications tests of its electronically steered antenna using Avanti’s Hylas-4 satellite. SpaceNews.com
Wed, 13 Nov 2019 17:48:11 +0000
In its ongoing quest to increase launch vehicle production, Rocket Lab has unveiled a new industrial robotic system designed to speed up manufacturing of its Electron rocket. SpaceNews.com
Wed, 13 Nov 2019 17:03:25 +0000
The former chairman of the House aviation subcommittee and adviser to United Launch Alliance argues that all commercial spaceflight companies should support, rather than disrupt, the FAA's ongoing effort to streamline existing launch licensing processes. SpaceNews.com
Wed, 13 Nov 2019 12:56:40 +0000
China launches six remote sensing satellites into orbit with two launches inside three hours from sites in north China. SpaceNews.com
Wed, 13 Nov 2019 11:00:40 +0000
A new study says companies can build, launch and operate constellations to gather global imagery with a resolution of one meter for a fraction of the cost of previous constellations. SpaceNews.com
Wed, 13 Nov 2019 10:29:40 +0000
A NASA official warned that extended delays in finalizing a fiscal year 2020 budget for the agency could have implications for its ability to stay on schedule for returning humans to the moon in 2024. SpaceNews.com
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  • CV: Aerospace Technologist GNC

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    Personal information
     Name:<withheld>
     Age:<withheld>
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    Contact information
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    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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