Thermal/Structural Analyst

ECAPS; Stockholms kommun; On-site; SEK 700,000 - 950,000; Full time

Job summary

ECAPS AB, a Swedish propulsion company, seeks a Structural/ Thermal Analyst to drive simulation-driven design of propulsion systems and spacecraft hardware. The role covers structural and thermal analyses across development stages and collaboration with design, manufacturing, testing, and systems engineering.

Ideal candidates hold a Master's in mechanical or aerospace engineering, with hands-on experience in FEM/FEA and software such as Siemens Simcenter, ANSYS, and Abaqus.

Qualifications

• Master's degree in Mechanical Engineering, Aerospace Engineering, or a related field.
• Experience in finite element analysis for structural and/or thermal applications.
• Strong understanding of mechanics and heat transfer.
• Experience with Siemens Simcenter, ANSYS, Abaqus or equivalent.
• Experience in the space industry and correlating simulations with test results.
• Strong communication skills in English.

Responsibilities

• Perform structural and thermal analyses of spacecraft and propulsion hardware.
• Develop and improve simulation models using FEM and related methods.
• Support design and development activities through simulation-driven engineering.
• Conduct strength, stiffness, vibration, buckling, and thermal stress analyses.
• Predict temperatures, gradients, and thermal flux under operating conditions.
• Correlate simulations with test data and support validation.
• Support qualification, acceptance, and development testing.
• Collaborate with design engineers to optimize components and assemblies.
• Prepare technical reports and design recommendations.
• Contribute to development and improvement of analysis methods and tools.

Skills

FEA/FEM

Structural mechanics

Thermal analysis

English proficiency

Education

Master's degree in Mechanical/Aerospace Engineering

Tools

Siemens Simcenter

ANSYS

Abaqus

Simcenter 3D

Job description

ECAPS AB is a chemical and engineering company specializing in advanced rocket engines and ADN-based propellant solutions for space and defense applications. With more than two decades of experience, ECAPS has established itself as a trusted leader in propulsion technology, blending innovation in chemistry and engineering with robust manufacturing capabilities. The company designs propulsion and fuel systems with a strong focus on performance, reliability, and mission success. ECAPS’ solutions support a wide range of international customers, offering opportunities to work on cutting-edge technology with real-world impact.

About the Role

We are looking for Structural / Thermal Analysts to strengthen our engineering team and support the development of propulsion systems and other spacecraft hardware. The role focuses on simulation-driven design and verification, including structural and thermal analyses throughout the product development lifecycle.

We are looking for an engineer with a solid analytical background and a strong interest in numerical simulations. Candidates may have their primary expertise in either structural mechanics or thermal analysis, experience from both areas is considered advantageous.

The role offers the opportunity to work closely with design, manufacturing, testing, and systems engineering in a highly technical and innovative space environment.

Key Responsibilities

• Perform structural and thermal analyses of spacecraft and propulsion hardware.
• Develop, maintain, and improve simulation models using FEM and related analysis methods.
• Support design and development activities through simulation-driven engineering.
• Conduct structural analyses, including strength, stiffness, vibration, buckling, and thermal stress assessments.
• Perform thermal analyses to predict temperatures, thermal gradients, and thermal flux under operational and environmental conditions.
• Correlate simulation results with test data and support model validation activities.
• Support qualification, acceptance, and development testing.
• Collaborate closely with design engineers to optimize components and assemblies.
• Prepare technical reports, analysis documentation, and design recommendations.
• Contribute to the development and improvement of analysis methods, tools, and processes.

Qualifications & Experience

Master's degree in Mechanical Engineering, Aerospace Engineering, or a related engineering discipline.

Experience in finite element analysis (FEA/FEM) for structural and/or thermal applications, experience from both is desirable.

Strong understanding of mechanics, heat transfer, and engineering fundamentals.

Experience with simulation software such as Siemens Simcenter, ANSYS, Abaqus, or equivalent. Experience with Siemens Simcenter 3D is considered an advantage.

Experience from the space industry. Knowledge of propulsion systems, aerospace structures, or high-performance mechanical systems is advantageous.

Experience correlating simulations with test results is advantageous.

Good written and verbal communication skills in English.

Personal Skills

• Analytical and solution-oriented mindset.
• Ability to work independently while collaborating effectively within multidisciplinary teams.
• Structured and detail-oriented approach to engineering work.
• Strong technical curiosity and willingness to develop new skills.
• Ability to communicate technical findings clearly and efficiently.

Additional Information

• Candidates must be eligible to work in Sweden.
• Swedish citizenship is advantageous.
• Security background checks is required for this position.