Full-Time

Principal Mechanical Engineer I

Posted on 6/3/2024

CesiumAstro

CesiumAstro

201-500 employees

Develops compact communication systems for space

Compensation Overview

$120k - $155k/yr

No H1B Sponsorship

Broomfield, CO, USA

This position is onsite in Broomfield, CO.

This position is onsite in Broomfield, CO.

This position is onsite in Broomfield, CO.

US Citizenship Required

Category
đź”§Mechanical Engineering (1)
Required Skills
GD&T
Requirements
  • Bachelor of Science (BS) in Mechanical or Aerospace Engineering from an accredited university or institution
  • Minimum of 9 years of experience in space antenna and payload mechanical engineering to include electronics packaging, thermal, shock, vibration, stress dynamics, and cost. A Master’s degree may count as two years of experience.
  • Experience in conducting architectural trade studies including parametric and first-order cost and physical analysis.
  • Experience with professional mechanical and FEA CAD tools, such as Ansys Mechanical, SolidWorks Simulation, and Thermal Desktop
  • Experience with CNC manufacturing and GD&T
  • Experience with advanced aerospace manufacturing and materials including sandwich panels and carbon composites, OR experience with high-reliability deployment mechanisms for space applications (including deployment, HDRMs, power delivery, etc.).
  • Proficiency in detailed mechanical design (3D CAD, drawings, etc.)
  • Experience designing and manufacturing mechanisms and mechanical actuators.
  • Experience with EMI/EMC mitigation techniques
  • Familiarity with satellite thermal architectures including heat pipes, phase change materials, contact resistance, and surface finishes as well as fundamental understandings of orbital thermal control in a LEO environment.
  • Familiarity with launch and LEO environments (thermal, shock, vibe, radiation, etc.)
  • Familiarity with design for test, manufacturability, assembly, and reliability
  • Excellent written and verbal communication skills
Responsibilities
  • Responsible for mechanical design aspects of Cesium phased array antennas, subsystems, and interfaces through all phases of the development process.
  • Responsible for mechanical designs from concept through space flight including requirements definition, architecture trades and block diagrams, analysis, manufacturing, testing, qualification, and in-orbit support.
  • Present engineering design review materials to our customers and executive team.
  • Participate in proposal-writing efforts.

CesiumAstro creates compact and efficient communication systems specifically for space applications. Their products, such as the Nightingale Series and CommPack, are designed to be small and scalable, meeting high standards for Size, Weight, Power, and Cost (SWaP-C). The company also offers a range of products including a software-defined radio, a credit-card-sized single-board computer, and a compact DC-to-DC converter. CesiumAstro differentiates itself from competitors by providing modular hardware and software that can be easily integrated to create customized communication solutions for clients like NASA. The goal of CesiumAstro is to deliver affordable, mission-ready communication payloads by leveraging advanced semiconductor and manufacturing technologies.

Company Size

201-500

Company Stage

Grant

Total Funding

$208.2M

Headquarters

Austin, Texas

Founded

2017

Simplify Jobs

Simplify's Take

What believers are saying

  • Increased demand for small satellite constellations aligns with CesiumAstro's offerings.
  • Growing interest in dual-use technologies benefits their flexible phased array systems.
  • Expansion of Space Development Agency initiatives offers supply opportunities for CesiumAstro.

What critics are saying

  • Intellectual property theft poses a risk, as seen in the lawsuit against Erik Luther.
  • Emergence of competitors like AnySignal increases competition in space-based radio technology.
  • Reliance on venture capital funding may lead to financial instability if rounds fail.

What makes CesiumAstro unique

  • CesiumAstro offers compact, high-performance communication systems for space applications.
  • Their products set a new standard for Size, Weight, Power, and Cost (SWaP-C).
  • They provide modular hardware and software for mission-specific payload configurations.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

Health Savings Account/Flexible Spending Account

401(k) Retirement Plan

Stock Options

Growth & Insights and Company News

Headcount

6 month growth

↓ -3%

1 year growth

↑ 0%

2 year growth

↓ -4%
Aviation Week
Mar 16th, 2025
CesiumAstro Secures $55M for Satellite Development

CesiumAstro has secured a $55 million strategic funding increase from AFWERX to advance the development of its Element satellite, a multibeam active phased array satellite. The satellite, equipped with L-band and Ka-band payloads, is designed to enhance the capabilities of the Space Development Agency (SDA).

SatNow
Dec 4th, 2024
CesiumAstro and Axiom Space Collaborates to Develop Advanced Spacesuit Technology

CesiumAstro and Axiom Space collaborates to develop advanced spacesuit technology.

Military & Aerospace Electronics
Oct 2nd, 2024
CesiumAstro announces dual-use Element flexible phased array satellite

AUSTIN, Texas - CesiumAstro in Austin, Texas has unveiled its new satellite platform, Element, designed for use in defense and commercial sectors.

Business Wire
Jun 19th, 2024
Phillip Sarofim’s Trousdale Ventures Leads CesiumAstro Series B+ Funding Round

Trousdale Ventures, a global venture capital firm founded by Phillip Sarofim, announces its role as lead investor in the oversubscribed Series B+ fina

Finsmes
Jun 19th, 2024
CesiumAstro Raises $65M in Series B Funding

CesiumAstro Inc., an Austin, TX-based provider of space communications technology, closed a $65m Series B+ funding round

INACTIVE