Latest Space News
Fri, 19 Apr 2019 20:04:50 +0000
Air Force Chief of Staff Gen. Goldfein: 'Our goal is to prevent and deter conflict' SpaceNews.com
Fri, 19 Apr 2019 17:25:55 +0000
Rocket Lab is preparing to launch in late April or early May three U.S. military satellites including the Army Harbinger mission, a test to show whether an inexpensive commercial satellite equipped with a synthetic aperture radar can quickly deliver Earth imagery to soldiers. SpaceNews.com
Fri, 19 Apr 2019 11:13:19 +0000
Virgin Galactic’s chief pilot believes the company will be able to go through the remainder of its SpaceShipTwo test program fairly quickly once test flights of the suborbital spaceplane resume. SpaceNews.com
Thu, 18 Apr 2019 21:29:55 +0000
Fleet operator Intelsat said its first high throughput satellite, Intelsat-29e, is a “total loss” after attempts to save the malfunctioning satellite proved unsuccessful. SpaceNews.com
Thu, 18 Apr 2019 18:12:08 +0000
The European Space Agency’s 22 member states agreed April 17 to a workaround to get Ariane 6 production in full swing despite a dearth of public sector launch contracts. SpaceNews.com
Thu, 18 Apr 2019 14:38:32 +0000
Rajanik Mark, Satixfy’s chief operating officer, said the company has created its own chipsets that it can build in-house to bring down the cost of antenna modules that are built into full user terminals. SpaceNews.com
Thu, 18 Apr 2019 13:28:27 +0000
An independent report concluded that NASA has no chance of sending humans to Mars by 2033, with the earliest such a mission could be flown being the late 2030s. SpaceNews.com
Wed, 17 Apr 2019 21:26:06 +0000
A Northrop Grumman Antares rocket successfully launched a Cygnus spacecraft April 17 carrying nearly three and a half tons of cargo bound for the International Space Station. SpaceNews.com
Wed, 17 Apr 2019 19:20:47 +0000
Iridium moved closer to launching an emergency maritime communications service by signing a public services agreement with the International Mobile Satellite Organization. SpaceNews.com
Wed, 17 Apr 2019 15:59:14 +0000
NASA has proposed to build a lunar orbiting space station, called the lunar Gateway, to use as a base for lunar exploration. This plan is severely defective. SpaceNews.com
Wed, 17 Apr 2019 14:43:00 +0000
Two NASA astronauts will get extended stays on the International Space Station, NASA announced April 17, a move intended to support research on long-duration spaceflight and address uncertainties in the availability of commercial crew vehicles. SpaceNews.com
Wed, 17 Apr 2019 12:38:32 +0000
Machine learning and other artificial intelligence techniques could help forecasters get more out of these data by improving accuracy and speed in almost every step of turning satellite observations into actionable forecasts. SpaceNews.com
Wed, 17 Apr 2019 12:27:01 +0000
A letter sent to Shanahan questions DoD's decision to shift missions away from the Air Force Space and Missile Systems Center. SpaceNews.com
Wed, 17 Apr 2019 12:21:38 +0000
After four years of stealth mode, LyteLoop, a startup planning to store massive amounts of data by moving it continuously between satellites, is coming out of the shadows. SpaceNews.com
Wed, 17 Apr 2019 10:44:34 +0000
For many years, the Commercial Spaceflight Federation (CSF) and the Commercial Space Transportation Advisory Committee (COMSTAC) have recognized the importance of developing industry voluntary consensus standards. SpaceNews.com
Wed, 17 Apr 2019 02:35:46 +0000
SAS Global, in an April 15 notice to the Australian Stock Exchange, said it needs to raise 7.2 million Australian dollars ($5.2 million) to prevent further delays with its constellation of low Earth orbit satellites. SpaceNews.com
Wed, 17 Apr 2019 00:18:30 +0000
The next Northrop Grumman Cygnus cargo mission to the International Space Station will demonstrate two new capabilities, one before launch and the other after the spacecraft departs the station. SpaceNews.com
Tue, 16 Apr 2019 19:20:42 +0000
Even “responsible” ASAT tests put other space users at risk. SpaceNews.com
Tue, 16 Apr 2019 17:47:20 +0000
Aerojet Rocketdyne says it’s committed to completing development of the AR1 rocket engine and is seeking potential partners for a new medium-class launch vehicle that could use the engine. SpaceNews.com
Tue, 16 Apr 2019 11:13:48 +0000
A major soft drink company says it will not pursue plans to advertise its products in space using a Russian startup, avoiding what likely would have been significant public criticism. 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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