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Senior Mechanical Design Engineer

ReOrbit

ReOrbit

Design
Helsinki, Finland
Posted on Dec 3, 2025
Helsinki, Finland · Hybrid

Senior Mechanical Design Engineer

ReOrbit is looking for a Senior Mechanical Design Engineer to join our team in our HQ in Helsinki, Finland.

Working as part of a multi-disciplinary team this individual will be part of a team leading the full end-to-end lifecycle of the mechanical activities. This is an important position in the company as it will contribute to the direction we take with the development of our mechanical systems. It's an exciting opportunity to be involved from the beginning in projects that are pushing the boundaries of existing space technology.

Responsibilities

  • Satellite and launcher requirements analysis.
  • Physical Architecture trade-off analysis (including Primary/Secondary Structural Design) based on multiple mission & satellite constraints.
  • Launch and Flight Configuration trade offs.
  • Mass budget management, CoG, Alignment, Moments of Inertia, Structural, quasi static and vibration aspects between others.
  • Field of view and motion mechanism design & analysis.
  • Support the AIT design and implementation Flow and GSE Design/trade-off analysis.
  • Satellite Alignment Strategy Design & implementation.
  • Working with System Engineering Team in tasks such as unit accommodation, trade-off analysis, system-level FMEA, electrical architecture.
  • Supply chain technical management and components pre selection.
  • Support feasibility studies and concurrent engineering activities.

Skills and Requirements

  • Minimum of a bachelor's degree in mechanical or industrial engineering or a related field.
  • 5-10 years of relevant experience in the space industry.
  • Knowledge and professional experience of the full lifecycle of space related mechanical subsystems.
  • Ability to analyse large amounts of data with scripting or other tools, derive conclusions, and manage design documentation as well as review and approve design changes.
  • Comfortable working closely with external vendors and consortium partners.
  • Experience in participating in a space related mechanical and/or thermal qualification campaign.
  • Professional experience within development life cycle (design trades, CAD design, prototyping, manufacturing, testing, qualification).


What does ReOrbit do?

ReOrbit builds the foundation for the next generation of space applications by transforming satellites into truly intelligent, interconnected platforms, defined by software.

Our satellite design philosophy revolves around the idea that satellites must network, communicate with each other and thus improve mission efficiency. How can this be achieved? Thanks to a flexible software-first architecture, where all these aspects are dealt with upfront in the mission concept, as integrated functionalities.

ReOrbit’s top-notch team of software engineers and system architects develop in-house software, procure hardware from the best-in-class suppliers, and seamlessly integrate the components to create flexible and secure satellites.

Today, we are a rapidly growing company building a very strong multidisciplinary team to support our activities. We are headquartered in Helsinki, Finland with subsidiaries in Bristol, UK and Bariloche, Argentina.



Working at ReOrbit

At ReOrbit, we are focused on building a strong team as we believe nothing can be accomplished without innovative, humble and curious minds working together on a common goal. We’re all about fostering an inclusive, dynamic environment where equality and diversity are our strength.


We offer

  • Challenging but rewarding environment – you will thrive if you are always reflecting on how to make things better. Your ideas will be heard.
  • Ambitious and supportive network of people, who are motivated to change the space industry, bringing expertise from both classic and new space.
  • Benefits such as lunch vouchers, events, parties, occupational health care and additional health insurance - but most importantly a possibility to be a part of a unique and diverse team, connected by similar mindset and sense of humor.
  • We like to spend time together! You can choose activities whichever is to your liking – runOrbit, climbOrbit; become ping pong or board games champion.
  • We support relocation and integration into Finnish society.


Please, submit your application as soon as possible - we are excited to hear from you and can’t wait to discover your unique skills and experiences.


For agencies: We do not accept unsolicited CVs for our open vacancies. Any CV sent to our team unsolicited will reserve us the right to pursue a candidate without obligation to the sender. All candidate submissions must be conducted through our official channels and in accordance with our terms of engagement.

Remote status
Hybrid

About ReOrbit

Today we are a rapidly growing company and building a very strong multidisciplinary team to support our activities. We are headquartered in Helsinki, Finland with a subsidiary in Bariloche, Argentina.

Join us in our journey of building software-enabled satellites for secure communications
and, thus, creating the most compelling in-space data flow company of the new space era.

Founded in 2019
Coworkers 70
Helsinki, Finland · Hybrid

Senior Mechanical Design Engineer

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