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Senior Mechanical Engineer I

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.


We are looking to add a Senior Mechanical Engineer I to our Mechanical Engineering team. If you enjoy working in a startup environment and are passionate about developing space hardware for leading-edge communications satellites, we would like to hear from you. 


 In this position, you will be responsible for mechanical design aspects of Cesium phased array antennas, subsystems, and interfaces through all phases of the development process. The ideal candidate will be versatile and proficient in mechanical analysis, electronics packaging, computer-aided design (CAD), mechanical interfaces, thermal architecture, spacecraft propulsion, deployable and actuated structures, and environmental qualification of spacecraft antennas and payloads. You will be 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. 


 The successful candidate will also present engineering design review materials to our customers and executive team, as well as participate in proposal-writing efforts. As such, excellent written and verbal communication skills are required. 


JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS
  • Bachelor of Science (BS) in Mechanical or Aerospace Engineering from an accredited university or institution 
  • Minimum of 4 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 


PREFERRED EXPERIENCE
  • Python, C++, or other programming languages 
  • Experience with large, deployable antenna arrays which drive your vision for the next generation of on-orbit communications and sensor arrays.
  • Robotics and control systems experience 
  • PCBA experience.


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 not through our approved vendor list or Talent Acquisition will be considered property of CesiumAstro, and we will not be obligated to pay any referral fees.

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What You Should Know About Senior Mechanical Engineer I, CesiumAstro

CesiumAstro is on the lookout for a passionate Senior Mechanical Engineer I to join our innovative Mechanical Engineering team in Austin, TX. If you're an individual who thrives in a collaborative and fast-paced environment, this could be the perfect opportunity for you! We pride ourselves on our unique approach to developing cutting-edge communication systems for satellites, UAVs, and other airborne platforms. In this role, you’ll take the reins on the mechanical design aspects of our advanced phased array antennas and subsystems. You’ll oversee the entire development process, from concept to final space flight, ensuring every detail meets the rigorous demands of space. We’re seeking someone with strong skills in mechanical analysis, electronics packaging, and thermal architecture, along with proficiency in computer-aided design platforms. As a Senior Mechanical Engineer I, you will perform critical tasks, including requirements definition, conducting architectural trade studies, and presenting engineering designs to both our leadership and customers. Your excellent communication skills will be pivotal as you navigate the responsibilities of design reviews and proposal writing. If you’re excited about the prospect of building the next generation of spacecraft hardware and contributing to our mission of advancing space technology, we would love to hear from you. Join us at CesiumAstro, where your work makes a difference in shaping the future of space communication!

Frequently Asked Questions (FAQs) for Senior Mechanical Engineer I Role at CesiumAstro
What are the main responsibilities of a Senior Mechanical Engineer I at CesiumAstro?

As a Senior Mechanical Engineer I at CesiumAstro, your primary responsibilities will include overseeing the mechanical design of phased array antennas and associated subsystems from inception to space flight. This entails requirements definition, analysis, manufacturing processes, testing, and providing in-orbit support. You will engage in architectural trade studies, present design materials to clients and the executive team, and contribute to proposal writing. Your role is integral to ensuring that all mechanical aspects align with CesiumAstro's innovative goals.

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What qualifications are required for the Senior Mechanical Engineer I position at CesiumAstro?

To qualify for the Senior Mechanical Engineer I role at CesiumAstro, applicants must hold a Bachelor of Science (BS) in Mechanical or Aerospace Engineering, along with a minimum of four years of relevant experience in space antenna and payload mechanical engineering. Candidates should be proficient in mechanical analysis, CAD software, and production processes, and must demonstrate strong communication skills to effectively collaborate across teams and present ideas.

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What skills are preferred for the Senior Mechanical Engineer I position at CesiumAstro?

While the minimum qualifications for the Senior Mechanical Engineer I position at CesiumAstro are essential, preferred skills include proficiency in programming languages like Python or C++, experience with large deployable antenna arrays, knowledge of robotics and control systems, and familiarity with PCBA processes. Additionally, proficiency in advanced manufacturing techniques and materials, such as composites and high-reliability mechanisms for space applications, will be advantageous.

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What does the work environment look like for a Senior Mechanical Engineer I at CesiumAstro?

At CesiumAstro, the work environment for a Senior Mechanical Engineer I is dynamic and collaborative. The company emphasizes cross-functional teamwork, allowing engineers to engage with various disciplines and learn from one another. This startup atmosphere encourages innovation and provides opportunities for hands-on involvement in cutting-edge space hardware development. If you thrive in an energetic setting, you will find CesiumAstro to be an exciting place to grow your career.

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What benefits does CesiumAstro offer to its Senior Mechanical Engineer I employees?

Employees in the Senior Mechanical Engineer I position at CesiumAstro benefit from a comprehensive benefits package that includes health, dental, and vision insurance, short- and long-term disability coverage, and retirement plans. Additionally, the company offers stock options and flexible spending accounts (FSA & HSA). CesiumAstro prides itself on fostering a supportive work environment that values its team members and invests in their professional and personal well-being.

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Common Interview Questions for Senior Mechanical Engineer I
Can you describe your experience with mechanical design for space applications?

When answering this question, detail your specific experiences with mechanical design in the context of space engineering. Highlight projects you've worked on that involved phased array antennas or similar technologies. Be sure to convey your understanding of the mechanical requirements and challenges in a space environment, emphasizing how you've successfully navigated these hurdles.

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What software tools do you use for mechanical engineering analysis?

Be prepared to mention specific CAD and analysis tools relevant to the Senior Mechanical Engineer I role, such as Ansys Mechanical or SolidWorks. Discuss how you’ve utilized these tools in past projects to enhance your design efficiency and accuracy, illustrating your proficiency and commitment to using modern engineering software.

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How do you approach designing systems that must withstand harsh space conditions?

In your response, focus on your methodical approach to design, which includes rigorous analysis of materials, structural integrity, and thermal management. Discuss how you apply FEA techniques and conduct environmental qualifications. Mention any relevant projects that illustrate your ability to meet these demanding conditions successfully.

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How do you ensure effective communication during a project?

Efficiency in communication is crucial for the Senior Mechanical Engineer I role. Explain your strategies for maintaining clarity among project collaborators, such as regular updates, concise documentation, and utilizing visual aids during presentations. Offer examples of past experiences where effective communication led to project success.

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Can you give an example of a challenging project you managed, and how you overcame it?

Use the STAR method to outline a specific project. Discuss the challenges faced, such as technical setbacks or tight deadlines, and explain the steps you took to address and resolve these issues. Emphasize your problem-solving skills and highlight how the experience contributed to your growth as a Senior Mechanical Engineer.

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What is your experience with thermal architecture in satellite design?

Discuss your familiarity with satellite thermal architectures, including aspects like heat pipes and phase change materials. Provide insights into how you've designed for thermal management in past projects and the techniques you’ve employed to address thermal control in orbit, demonstrating your technical knowledge relevant to the role.

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What role does CAD play in your design process?

Explain the significance of CAD in your workflow as a Senior Mechanical Engineer I. Discuss how you use CAD software for everything from initial concept sketches to detailed drawings. Highlight any projects where CAD was crucial to the design process and the value it brought to your overall engineering decisions.

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How do you handle feedback during engineering design reviews?

Talk about your open mindset and appreciation for constructive criticism in design reviews. Share approaches you use to solicit feedback from peers and stakeholders actively and how you prioritize and integrate that feedback into your designs to improve the final product.

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Describe your familiarity with mechanical and structural testing.

Detail your knowledge and experience with mechanical testing protocols applicable to space technology. Discuss specific testing methodologies you've employed in previous roles, including stress testing, vibration analysis, and shock testing, emphasizing their importance in the safety and reliability of designs.

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How do you stay current with advancements in aerospace engineering?

Mention your commitment to continuous learning through various channels: attending industry conferences, participating in webinars, reading relevant journals, and engaging with professional networks. Illustrate how staying informed about the latest advancements helps you integrate new techniques and technologies into your work.

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DATE POSTED
March 20, 2025

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