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CesiumAstro creates out-of-the-box communication systems for space and airborne platforms.
The Role
Designs and develops mechanical components, assemblies, structures, and spacecraft hardware from concept through manufacturing, testing, qualification, and in-orbit support. Performs thermal, structural, vibration, tolerance, and FEA analyses; creates CAD models, drawings, bills of materials, and technical documentation; supports testing, root-cause investigations, design reviews, manufacturing, quality, and supply-chain collaboration. Requires strong communication and expertise in electronics packaging, CNC manufacturing, EMI/EMC mitigation, and mechanical design validation.
Summary Generated by Built In
Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State.
At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team.
The Skylark product line is focused on the rapid design, build, and test of cutting-edge active phased array antennas (AESA) for terrestrial and airborne applications. Current programs span high-power, large-scale ground terminals for missile defense to commercial airline and helicopter connectivity solutions.
We are looking to add a Mechanical Design Engineer II to our team. If you enjoy working in a startup environment and are passionate about developing leading-edge hardware for satellites, spacecraft, and aerospace systems, we would like to hear from you.
In this position, you will be responsible for mechanical designs of CesiumAstro products through all phases of the development process. The ideal candidate will be proficient in electronics packaging design, mechanical simulations and analyses, computer-aided design (CAD), spacecraft mechanical interfaces, and environmental qualification of electronic assemblies.
As a CesiumAstro mechanical team member, you will be responsible for mechanical designs from initial concept design through requirements definition, detailed design, simulation, analysis, manufacturing, testing, qualification, and in-orbit support of CesiumAstro's products. Required skills and experience include thermal management design, precision machining principles, thermal simulation and analysis, shock and vibration simulation and analysis, electromagnetic interference/compatibility (EMI/EMC) mitigation techniques, geometric dimensioning and tolerancing (GD&T), finite element analysis (FEA), and cost analysis to develop, validate, and optimize mechanical designs.
The successful candidate will also present engineering design review materials to our customers and leadership team. As such, excellent written and verbal communication skills are required.
JOB DUTIES AND RESPONSIBILITIES
- Assist with the design and development of mechanical components, assemblies, structures, mechanisms, and hardware supporting products and manufacturing activities.
- Perform engineering analyses, calculations, tolerance studies, structural evaluations, and design trade studies supporting mechanical engineering activities.
- Review engineering drawings, CAD models, specifications, and technical documentation while supporting mechanical design decisions.
- Perform mechanical testing, verification, qualification, and validation activities supporting engineering and manufacturing objectives.
- Analyze engineering data, test results, inspection findings, and manufacturing information to identify trends and recommend solutions.
- Support root cause investigations, engineering changes, corrective actions, and design improvement initiatives.
- Collaborate with engineering, manufacturing, quality, supply chain, and operations teams to support mechanical engineering activities.
- Develop engineering drawings, 3D models, technical reports, design documentation, bills of materials, and engineering change documentation supporting engineering decisions.
- Participate in design reviews, engineering investigations, manufacturing reviews, and product development activities.
- Maintain engineering documentation, design records, configuration-controlled technical data, and product documentation.
- Apply mechanical engineering methodologies, engineering standards, company procedures, and customer requirements throughout product development.
- Recommend improvements that enhance product performance, manufacturability, reliability, quality, and engineering effectiveness.
JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS
- Bachelor of Science (BS) or Master of Science (MS) degree in Mechanical or Aerospace Engineering from an accredited university or institution.
- Minimum of 2 years of industry experience in design and analysis of electronics packaging, including thermal, vibration, and stress dynamics or in spacecraft structures and mechanisms.
- Familiarity with electronics assemblies and experience working closely with electrical engineers.
- Experience with professional mechanical and FEA CAD tools, such as Solidworks Simulation.
- Experience with CNC manufacturing.
- Experience with EMI/EMC mitigation techniques.
- Excellent written and verbal communication skills.
CesiumAstro considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate’s work experience, education/training, and key skills. Full-time employment offers include company stock options and a generous benefits package including health, dental, vision, HSA, FSA, life, disability and retirement plans.
CesiumAstro is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law.
Please note: CesiumAstro does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to CesiumAstro team members will be considered property of CesiumAstro, and we will not be obligated to pay any referral fees.
Skills Required
- Bachelor of Science or Master of Science degree in Mechanical or Aerospace Engineering from an accredited institution
- At least 2 years of industry experience designing and analyzing electronics packaging, including thermal, vibration, and stress dynamics, or spacecraft structures and mechanisms
- Familiarity with electronics assemblies and collaboration with electrical engineers
- Experience with professional mechanical and FEA CAD tools, such as SolidWorks Simulation
- Experience with CNC manufacturing
- Experience with EMI/EMC mitigation techniques
- Excellent written and verbal communication skills
- Must meet United States Government Space Technology Export Regulations eligibility requirements
CesiumAstro Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about CesiumAstro and has not been reviewed or approved by CesiumAstro.
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Healthcare Strength — Health coverage includes medical, dental, vision, life and disability insurance, plus FSAs and mental health benefits. Feedback suggests the health package is comprehensive for a growth-stage aerospace firm.
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Retirement Support — Offerings include a 401(k) with company matching and other retirement-plan elements. Feedback suggests core retirement mechanisms are in place alongside standard financial benefits.
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Leave & Time Off Breadth — Generous PTO, paid holidays, paid sick days, and bereavement leave are included. Feedback suggests time-off options are broad on paper across multiple leave types.
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The Company
What We Do
We build high-throughput, plug-and-play phased array communication payloads for space and airborne platforms. CesiumAstro’s full-stack, multi-mission hardware and software products enable a diverse range of commercial and defense objectives. Full-system engineering design is at the heart of every CesiumAstro product. We deliver high-performance solutions under rapid development timelines.
Why Work With Us
At CesiumAstro, we’re a team. We’re passionate, respectful, and determined colleagues ready to help at a moment’s notice. We’re mentors excited to enable our peers with the knowledge they need to succeed. Together, we’re visionaries committing to building memories that will last a lifetime.
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