We Want YOU as a Senior Propulsion Engineer
Are you passionate about shaping the future of space systems? We are looking for a Senior Propulsion Engineer with experience in electric propulsion development to join our team in Stockholm. You will be part of an environment where technology, creativity, and collaboration come together.
About the Role
Role Overview
The Senior Propulsion Engineer will serve as a high-level technical contributor within the propulsion function, positioned just below Project Manager level. The role is expected to evolve toward technical leadership (e.g., Technical Lead, Subsystem Architect, Technical Responsible). However, new hires will not be placed into formal leadership roles from day one.
Typical Responsibilities
Depending on team placement and individual preference, responsibilities may include:
In-orbit propulsion system engineering
Electric propulsion development (key priority)
Hall Effect Thruster (HET) development
Analysis, testing, and verification
Procurement and supplier interaction
Technical support for sales and proposals
Mentoring junior engineers
Celsus Engineering fosters a strong culture of aligning engineers’ tasks with their strengths (e.g., hands-on testing versus analytical focus).
Essential Requirements
Must-have qualifications:
Senior-level experience in in-orbit propulsion
Strong background in electric propulsion
Previous employment within established European or US space organizations
Relevant background examples include experience at:
Desirable Attributes
Broad propulsion lifecycle experience (development through testing)
Ability to operate at subsystem/system engineering level
Comfortable working in a growing and evolving organization
Collaborative mindset with mentoring capability
Direct experience with Hall Effect Thrusters (HET)
Location & Working Model
Primary location: Kista, Sweden
On-site expectation: Ideally 5 days per week
Up to 1 remote day per week acceptable
Additional flexibility possible if well justified
Working hours: 40 hours per week
This is a fantastic opportunity to work with next-generation space systems in an environment that encourages innovation, collaboration, and growth.
Location: Stockholm, Sweden (Hybrid)
Apply today and join Ultra Group AB!
About Us
Ultra Group AB is a collective of consulting companies collaborating with clients across Aerospace, Defence, Marine, Automotive, Industrial, IT, Cybersecurity, Functional Safety, and AR/VR sectors.
We do not just offer a wide range of assignments — we build strong connections between our clients and our employees, always with your satisfaction at the core.
Founded by consultants themselves, Ultra Group is built on a foundation where people always come first.
Visit our website for more information:
https://ultragroup.se/about-us/
Ultra Group Offers
Competitive salaries
25 days of paid vacation
Wellness allowance (up to 5,000 SEK annually, including massage and other wellness benefits)
Healthcare through our partnership with one of Sweden’s leading providers — instant access to care without long waiting times or referrals
