Latest Space News
Thu, 16 Aug 2018 05:05:34 +0000
Descartes Labs announced Aug. 15 a partnership with Airbus to feed high resolution global imagery into its geospatial data platform. The Sante Fe, New Mexico-based startup also completed beta testing of its cloud-based “data refinery,” and added weather data. SpaceNews.com
Thu, 16 Aug 2018 00:21:09 +0000
International mistrust in space could become a bigger problem as the commercial space industry continues to grow and demand a peaceful environment to do business. SpaceNews.com
Wed, 15 Aug 2018 22:55:18 +0000
NASA says an Aug. 14 test of an engine for the Space Launch System was a success despite an unspecified “facility issue” that caused the test to end early. SpaceNews.com
Wed, 15 Aug 2018 18:18:44 +0000
ESA is pushing European industry to continue innovating and finding efficiencies even after Vega C’s introduction in 2019 and Ariane 6’s debut in 2020. SpaceNews.com
Wed, 15 Aug 2018 18:13:20 +0000
China will launch its Chang’e-4 lander and rover mission in December in what will be the first ever attempt at a soft landing on the far side of the moon, authorities said Aug. 15 SpaceNews.com
Tue, 14 Aug 2018 23:33:39 +0000
NASA has done a good job implementing the recommendations of its latest planetary science decadal survey despite past budget problems, but needs to improve some programs, a recent report concluded. SpaceNews.com
Tue, 14 Aug 2018 22:04:46 +0000
The Air Force will use “rapid procurement authorities” in this program and is targeting the first next-generation OPIR launch in 2023. SpaceNews.com
Tue, 14 Aug 2018 21:57:09 +0000
The Pentagon's Joint Oversight Requirements Council will be briefed this fall on potential solutions to a major national security vulnerability: hypersonic weapons that fly into space at supersonic speeds and descend back down to Earth directly on top of targets. SpaceNews.com
Tue, 14 Aug 2018 13:42:54 +0000
Chinese private launch vehicle maker OneSpace has secured $43.6 million in Series B financing as the company looks to its first orbital launch near the end of 2018. SpaceNews.com
Tue, 14 Aug 2018 00:32:25 +0000
Exos Aerospace, a Texas company developing a reusable suborbital rocket, now plans to carry out a first flight of its vehicle in late August as it sets its sights on a follow-on orbital vehicle. SpaceNews.com
Mon, 13 Aug 2018 19:50:09 +0000
Viasat is still working on a medium-Earth-orbit satellite constellation idea revealed almost two years ago, but has not finalized what that system would look like, Mark Dankberg, CEO of Viasat, said Aug. 9. SpaceNews.com
Mon, 13 Aug 2018 03:47:45 +0000
At the annual SMI MilSatCom Conference in 2017, Army Major General Pete Gallagher, former CENTCOM/J6, shared a vignette about U.S. forces fighting ISIS in the CENTCOM Area of Responsibility. SpaceNews.com
Sun, 12 Aug 2018 19:19:58 +0000
Griffin: "The bumper sticker version of my job is that I don’t have anything to do with anything that the Defense Department is currently buying. " SpaceNews.com
Sun, 12 Aug 2018 08:27:36 +0000
A NASA mission to travel closer to the sun than any previous spacecraft is on its way after a successful launch from Cape Canaveral Aug. 12. SpaceNews.com
Sun, 12 Aug 2018 00:07:38 +0000
Deputy Defense Secretary Patrick Shanahan: “It's going to take some time to work this through the Congress." SpaceNews.com
Fri, 10 Aug 2018 22:16:21 +0000
NASA announced more than 20 contracts valued at $55 million Aug. 8 intended to develop commercial technologies for space exploration as well as study future markets for commercial activities in low Earth orbit. SpaceNews.com
Fri, 10 Aug 2018 02:29:36 +0000
Small satellites that have propulsion systems, but don’t have encrypted commanding systems, pose a small but real threat of being hacked and endangering other satellites, according to a new study. SpaceNews.com
Fri, 10 Aug 2018 02:14:18 +0000
French fleet operator Eutelsat sold a jointly-owned satellite to partner Es’hailSat of Qatar, expanding Es’hailSat’s fleet as the company awaits the launch of its second satellite late this year on a Falcon 9 rocket. SpaceNews.com
Fri, 10 Aug 2018 02:04:16 +0000
Jim Simpson, chief executive of Bermuda-based fleet operator ABS since December, is no longer head of the company. SpaceNews.com
Fri, 10 Aug 2018 00:18:26 +0000
Why was the DoD space reorganization report more than a week late? The White House ordered a few tweaks. SpaceNews.com
More space news...
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  • CV: Principal Systems Engineer

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    Personal information
     Name:<withheld>
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    Contact information
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    Candidate Profile
     Date Submitted:26-07-2012
     Last Modified:26-07-2012 (07:33)
    Job information
     Current job:Principal Systems Engineer
     Employment Term:Permanent
     Job location:US only
     Date available:immediately
     Industry:Satellite Manufacturers and Subcontractors, Consulting/Engineering Services
     KeywordsMission Analysis and Orbital Mechanics, Satellite Toolkit
    CV

    Education:  B.S. Aerospace Engineering – University of Colorado, Boulder 1988

     

    Clearances: Current TS / SCI / SSBI

     

    Work Experience:

     

    2008 – 2012  : Comtech AeroAstro, Littleton, CO

                Modeling and Simulations / Principal Systems Engineer

     

    • Mission Analysis: Responsible for design, analysis and performance evaluation of various small satellite systems.  Used STK/Matlab to perform various parametric trade studies, analyze orbital events and optimize vehicle design configurations to support proposal and design efforts. Typical examples:

     

    • Satellite eclipse, beta-angle analysis, and solar angles of incidence
    • Optimal placement and orientation of star-trackers
    • Orbit maintenance, station-keeping maneuvers and propellant budgets
    • Orbital decay and de-orbit burn requirements
    • Constellation design with coverage and access requirements
    • Space radiation environment analysis
    • Technical animations to support attitude, thermal, power and mission analysis

     

     

    1999 – 2008  : Lockheed Martin, Denver, CO – Advanced Surveillance & Reconnaissance Programs

                  Modeling and Simulations / Mission Analyst

     

    • Mission Analysis: Responsible for design, analysis and performance evaluation of various advanced classified satellite systems.  Performed parametric trade studies of various satellite and constellation designs for customer presentations. Analyzed orbital events, vehicle design configurations and synergies with other national assets. Typical examples:

     

    • Constellation design, population, phasing and optimization
    • Optimal orbital transfers, maneuvers and upper-stage performance
    • Orbital decay and station-keeping propulsion requirements
    • Satellite revisit times and coverage
    • Mutual satellite visibility
    • Post-mission satellite disposal
    • Antenna placement, blockage, gimbal angles and slew-rates
    • Long term orbit propagation and perturbation effects
    • Sensor placement, blockage, constraints and collection optimization

                                             

    • Simulation & Modeling: Created 3-D visualizations of proposed advanced classified satellite system concepts and architectures using Satellite Tool Kit.  These technically accurate scenarios/visualizations were used to support various proposals, IRADs, and customer demonstrations to help to sell new programs, keep existing programs sold, support various trade-studies and parametric analyses, and to elucidate complex geometric spacecraft scenarios to our customers.  Typical examples:

     

    • Launch, orbit-insertion, station-keeping maneuvers, housekeeping maneuvers, attitude verification, deployment, satellite systems check-out
    • Satellite constellation phasing and build-up strategies
    • Satellite articulations (solar-panels, antennas, payload gimballing)
    • Sensor blockage (terrain or s/c body)
    • COMM coverage (sat-to-sat, sat-to-relay, ground-sites)
    • Tip-off, trip-wire, force-protection, ground vehicle tracking
    • Antenna design trades (footprint size, agility, power, phased-array types)
    • Spacecraft survivability / Threat avoidance
    • Coastal monitoring, weather, open-ocean surveillance
    • Digital terrain modeling with orthorectified imagery overlays
    • Ground, air, sea and space asset synergy (also System-of-Systems)
    • Spacecraft telemetry simulator

     

     

    1995 – 1999  : Martin Marietta, Denver, CO – Advanced Special Programs 

                            Mission Analyst / Systems Analyst

     

    • Provided mission and systems analysis support of proposal, IRAD and contract activities for Advanced Special Programs. Responsible for the formulation, test, verification, validation, documentation and implementation of analytic methods to support performance analysis. Tasks also included mission analysis, orbit and constellation design, and various aspects of system performance analysis.

     

     

    1993 – 1995  : Martin Marietta, Reston, VA – Engineering Services

                            Mission Analyst / Systems Analyst

     

    • Provided technical analysis and support to oversee prime contractor development and verification of end-to-end spacecraft system simulator. Evaluated system metrics and algorithms used to model overall system performance.

     

     

    1988 – 1993  : Martin Marietta, Denver, CO – Special Programs  

                            Mission Analyst

     

    • Developed software to aid in spacecraft anomaly resolution and predict various geometric orbital events.  Performed mission analysis tasks for orbit-transfers, constellation design, low-level long-term thrust scenarios, GPS performance and other spacecraft related issues.

     

     

    Technical Publication

     

    “Efficient Computation of Satellite Visibility Periods”, M. A. Chylla and C. D. Eagle, AAS 92-146.  Presented at the AAS/AIAA Spaceflight Mechanics Meeting, Colorado Springs, Colorado, February 24–26, 1992.

     

    Computer  Skills:  MatLab, FORTRAN, STK CONNECT, HP Rocky Mountain BASIC.  Course-work in JAVA and C, MS Office Suite, Satellite Tool Kit, Adobe Premiere, Google Earth (kmz, kml)

     

     

    Hobbies and Interests:  Acoustic guitar, racquetball, billiards, computers, active in local church-work and out-reach activities.


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