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Senior Mechanical Engineer I

CesiumAstro

Job Location:

Munich - Germany

Monthly Salary: Not provided by the employer

Posted: 21 August 2026 (Yesterday)

Application Deadline: 18 November 2026

Vacancies: 1 Vacancy

Job Summary

AtCesiumAstro 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 aSenior Mechanical EngineerI 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 inspace antenna and payloadmechanical engineering to include electronics packaging thermal shock vibration stress dynamics and cost. A Masters 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 compositesORexperience 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 candidates work experience education/training and key skills.

Please be aware that many roles will be subject to both security and export control restrictions. These restrictions mean that factors including new starters nationality any previous or dual nationalities held place of birth and country of residence may limit those roles that you can perform for the organization.

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.

We may use artificial intelligence (AI) tools to support parts of the hiring process such as reviewing applications analyzing resumes or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed please contact us.

Required Experience:

Senior IC

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