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E-Space

Sustainable satellite constellations for AIoT data

Mechanical Test Engineer - Deployable Antenna Structures

Mechanical EngineeringConfirmed live in the last 24 hours
Full-timeArlington, TX, USA$140k - $210k /yr

About the Job

Requirements

  • A BS, MS, or PhD in Mechanical or Aerospace Engineering, or equivalent practical engineering experience.
  • Hands-on experience testing physical mechanisms or deployable hardware, including personally setting up, operating, measuring, and troubleshooting hardware.
  • Practical mechanical judgment, including reasoning about forces, motion, friction, stiffness, alignment, and how a test fixture influences the measured hardware.
  • Experience developing test procedures and using force, torque, motion, or optical measurement instrumentation to obtain repeatable data.
  • Ability to investigate anomalies systematically and explain what the evidence supports, what remains uncertain, and what should be tested next.
  • Understanding that a ground test under gravity does not automatically reproduce flight deployment conditions.
  • Flexibility to occasionally work extended hours or weekends during critical periods.

Responsibilities

  • Own the antenna assembly’s mechanical deployment test program, from test requirements and procedures through fixture development, test execution, data reduction, and reporting.
  • Design, build, and improve gravity-offload and support fixtures for large flexible structures, and characterize rig friction and compliance to separate their effects from antenna behavior.
  • Set up and run physical deployment tests; measure force and torque profiles, boom tip trajectories, deployment timing, and deployed shape using appropriate instrumentation and optical measurement methods.
  • Investigate unexpected motion, inconsistent deployment, and geometry outliers through inspection, measurements, and controlled follow-up tests.
  • Establish deployment repeatability against defined requirements, and characterize sensitivity to sequencing, temperature, and lubricant state where required by the test plan.
  • Work with the deployment mechanism team to characterize actuator output, locked-state stiffness, and backlash.
  • Coordinate subsystem testing and assembly-level deployment testing with the responsible engineers.
  • Work with the IAS structures analyst to correlate test results with structural and deployment models, quantify ground-test artifacts, and bound what the results establish about flight deployment.

Desired Qualifications

  • Deployment testing of antennas, solar arrays, booms, or other flexible flight structures.
  • Design or operation of gravity-offload rigs, including characterization of friction and support compliance.
  • Experience with deployable booms (rollable, telescoping, hinged, or coilable lattice) and membrane or other tensioned deployable hardware.
  • Photogrammetry or other optical measurement of deployed shape and motion.
  • Experience with mechanism friction and lubrication across temperature ranges, thermal-vacuum deployment tests, or deployment model-test correlation.

About the Company

E-Space

Sustainable satellite constellations for AIoT data

E-Space designs small, easy-to-install satellite devices that can be tracked and connected from anywhere on Earth. Its E-Space LEO platform uses AIoT to optimize data from these devices, turning it into actionable insights and automated actions. By redesigning spacecraft, antenna, and deployment methods, it lowers the cost of satellite systems and makes space technology more accessible for governments, businesses, communities, and individuals. The company aims to be an ESG-aligned partner, using space data to support sustainable decisions and responsible planetary stewardship.

Company size
51-200
Company stage
Seed
Total funding
$50M
Headquarters
Arlington, TX
Founded
2021

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