Isar Aerospace Sweden AB jobb

Mission Brief The Propulsion Test Design Engineer is part of a multidisciplinary team responsible for the development and verification testing of liquid rocket engines and their subsystems. The role focuses on the design, performance, maintenance, and continuous improvement of propulsion test facilities and ground support equipment, while supporting test operations, commissioning, and troubleshooting activities. Your Role in Our Space Mission: Plan and execute maintenance, modifications, and upgrades of propulsion test facilities to support current and future test campaigns. Monitor, analyse, and improve the performance, reliability, and availability of facility systems through data analysis and troubleshooting. Design, build, and commission test benches, test equipment, and facility upgrades. Develop and improve procedures, risk assessments, and operational processes to ensure safe and efficient test operations. Perform fault investigations, root cause analysis, and corrective actions on facility systems and test equipment. Support test preparations, commissioning, test execution, and anomaly resolution in collaboration with test engineers, operators, and technicians. Qualification Checklist Relevant engineering qualification or engineering bachelor’s or master’s degree in the field of aerospace, mechanical engineering or similar  Hands-on experience in development or testing of complex systems, preferably involving extreme operating conditions such as cryogenic temperatures, high pressures, or high temperatures. Such experience can come from either relevant positions held, or internships, clubs, and other extra-curricular activities  Capable of designing fluid and mechanical systems from theoretical concept to realization and commissioning  Able to perform in high-stress environments, maintaining focus and concentration for long durations  Physical dexterity is required as working in confined spaces is necessary Able to lift and carry 25kg Fluent in English  Bonus Skills Hands-on experience with fluid system and piping/tubing  Experience with at least one programming language (Python, Matlab, C, C#, Cobol...)  Knowledge of hazardous systems (cryogenic, flammable, explosive, or similar)

Mission Brief The Test Operations Engineer is part of a multidisciplinary team responsible for the development and verification testing of liquid rocket engines and their subsystems. The role focuses on the planning, execution, and evaluation of propulsion tests, ensuring safe, efficient, and reliable test operations while coordinating closely with design, maintenance, and operations teams. Your Role in Our Space Mission: Plan and coordinate propulsion test campaigns, supporting development, verification, and qualification activities. Develop, review, and execute test procedures, operational documentation, and risk assessments. Operate and monitor tests from the control room, ensuring safe execution and responding to off-nominal conditions. Analyze test and facility data to verify test objectives, investigate anomalies, and support root cause analysis. Develop and continuously improve test operations procedures, work instructions, and processes. Collaborate with design, maintenance, and facility engineering teams to prepare, commission, operate, and improve test facilities and ground support equipment. Support system commissioning, operational readiness reviews, and the introduction of new test capabilities. Qualification Checklist Relevant technical qualification, bachelor's or master's degree in aerospace, mechanical, chemical, industrial engineering, or a related field. Hands-on experience operating, maintaining, testing, or developing complex mechanical or fluid systems. Experience with process systems involving gases, liquids, pressure systems, pumps, valves, instrumentation, or similar industrial equipment. Ability to troubleshoot technical issues methodically and implement practical corrective actions. Understanding of engineering fundamentals and the ability to support design, modification, and commissioning activities. Comfortable working in fast-paced test environments and maintaining focus during critical operations. Physical dexterity is required, as the role may involve working in confined spaces and on industrial equipment. Able to lift and carry up to 25 kg. Fluent in English. Bonus Skills Experience with high-pressure, cryogenic, hazardous, flammable, or other demanding process systems. Hands-on experience with fluid systems, piping, tubing, valves, regulators, and instrumentation. Experience planning and performing maintenance on industrial or test equipment. Experience commissioning new equipment, facilities, or process systems. Familiarity with data analysis and interpretation of test or operational data. Experience with at least one programming or scripting language (Python, MATLAB, C#, etc.).

Mission Brief The Propulsion Test Engineer is part of a team that performs development and verification tests on liquid rocket engines and their subsystems. A Propulsion Test Engineer takes care of test preparation, maintenance and upgrades of the test bench. Your Role in Our Space Mission: Plan and conduct rocket engine test campaigns together with propulsion development engineers Ensure safe operations by using and developing procedures and processes Take care of test preparations, troubleshooting, upgrades and maintenance of the test bench: both on paper and in reality Assist in designing and building test benches for propulsion testing Qualification Checklist Relevant engineering qualification or engineering bachelor’s or master’s degree in the field of aerospace, mechanical engineering or similar Hands-on experience in development or testing of complex systems, preferably involving extreme operating conditions such as cryogenic temperatures, high pressures, or high temperatures. Such experience can come from either relevant positions held, or internships, clubs, and other extra-curricular activities Capable of designing fluid and mechanical systems from theoretical concept to realization and commissioning Able to perform in high-stress environments, maintaining focus and concentration for long durations Physical dexterity is required as working in confined spaces is necessary Able to lift and carry 25kg Fluent in English Bonus Skills Hands-on experience with fluid system and piping/tubing Experience with at least one programming language (Python, Matlab, C, C#, Cobol...) Knowledge of hazardous systems (cryogenic, flammable, explosive, or similar)

As an AIT (Assembly, Integration & Test) Technician at our rocket engine test site in Kiruna, you will be responsible for the preparation, assembly, integration, checkout, and troubleshooting of rocket engines, test articles, and associated hardware. Working closely with engineers and test operators, you will ensure test articles are ready for safe and successful test execution while supporting commissioning and test campaigns. Your Role in Our Space Mission: Perform assembly, integration, disassembly, and inspections of rocket engines, test articles, and associated mechanical systems. Prepare and configure test articles for testing, including instrumentation installation, checkouts, and pre-test verification activities. Support commissioning, pressure testing, and hotfire campaigns through execution of operational procedures and test preparations. Troubleshoot and resolve issues related to test articles, engine hardware, and mechanical interfaces. Conduct maintenance, repairs, and modifications of test articles and associated support equipment. Assist in the installation, removal, and transportation of engines and test hardware within the test facility. Maintain accurate records of assembly, inspections, non-conformances, maintenance activities, and test preparations. Ensure compliance with operational procedures and safety requirements during all activities. Proactively identify opportunities to improve processes, tooling, and test article handling methods. Support facility maintenance and infrastructure activities when required by operational priorities. Qualification Checklist At least 3 years of experience in a hands-on mechanical, assembly, or integration role. Experience assembling and troubleshooting complex mechanical systems. Ability to read and interpret engineering drawings, procedures, and assembly instructions. Experience using precision measurement tools, hand tools, and workshop equipment. Strong troubleshooting and problem-solving skills. Safety-conscious mindset and ability to work in hazardous environments. Effective communication skills and ability to work within a multidisciplinary team. Fluent in English, both spoken and written. Bonus Skills Experience with rocket propulsion systems, aerospace hardware, or development testing. Experience with instrumentation installation and checkout activities. Familiarity with pressure systems, leak testing, and cryogenic operations. Crane, forklift, or rigging certifications. Relevant technical education or vocational training

Mission Brief As a Maintenance Technician at our rocket engine test site in Kiruna, you will be responsible for the installation, maintenance, troubleshooting, and reliability of the test facility infrastructure. This includes fluid systems, piping networks, valves, ground support equipment, and mechanical facility systems that enable safe and efficient propulsion testing. Your Role in Our Space Mission: Perform preventive and corrective maintenance on facility systems, including piping, valves, pressure systems, mechanical equipment, and ground support infrastructure. Troubleshoot mechanical and fluid system issues to maximize facility availability and test readiness. Install, modify, and commission facility systems and test support equipment required for test campaigns. Execute rigging, lifting, and installation activities associated with facility upgrades and test preparations. Support pressure testing, leak checks, commissioning, and operational readiness activities. Assist engineers with facility modifications, improvements, and infrastructure upgrades. Maintain maintenance records, inspection reports, calibration documentation, and work instructions. Ensure compliance with operational procedures, safety standards, and regulatory requirements. Proactively propose improvements to increase facility reliability, maintainability, and operational efficiency. Support test article integration and AIT activities when required by operational priorities. Qualification Checklist At least 3 years of experience in industrial maintenance, mechanical systems, process facilities, or similar environments. Strong experience with piping systems, valves, pumps, pressure systems, and mechanical equipment. Experience performing troubleshooting, maintenance, and repairs on industrial infrastructure. Ability to read and interpret P&IDs, technical drawings, schematics, and maintenance procedures. Experience with rigging, lifting operations, and mechanical installations. Strong mechanical aptitude and proficiency with tools, measurement instruments, and maintenance equipment. Safety-conscious mindset and ability to work in hazardous environments. Effective communication skills and ability to work collaboratively with engineers and technicians. Fluent in English, both spoken and written Bonus Skills Experience with cryogenic, high-pressure gas, or propulsion test facilities. Welding, pipefitting, hydraulic, or pneumatic system experience. Crane, forklift, or rigging certifications. Experience in a development test environment. Relevant technical education, certifications, or trade qualifications.

Mission Brief As a Mechanical Technician at our rocket engine test site in Kiruna, you will play a vital role in supporting engine development and flight test operations. You will help operate, maintain, and upgrade state-of-the-art test facilities, engines, and related components. Your work will directly contribute to the safe and efficient testing of rocket engines and support our broader space mission. Your Role in Our Space Mission: Perform assembly, maintenance, calibration, and repair of mechanical systems—including test rigs, rocket engines, high-pressure gas systems, and facility infrastructure. Support test operations by preparing mechanical systems—including test rigs, rocket engines, high-pressure gas systems, and facility infrastructure. Support commissioning, pressure testing, and engine hotfire activities by preparing equipment, following operational procedures, and documenting results. Troubleshoot mechanical issues with engines and test facility systems, collaborating with your team and other functions (e.g., engineering, logistics) to resolve problems efficiently. Assist with the installation and configuration of test equipment, ensuring correct setup for various test scenarios. Follow established operational and safety procedures to ensure all activities are conducted safely and in accordance with company and regulatory requirements. Maintain accurate records of maintenance, calibration, test activities, and incidents, as per company policy. Participate in regular safety briefings and training to maintain high standards of competence. Proactively suggest improvements to processes, tooling, and equipment to enhance safety, reliability, and efficiency. Maintain the cleanliness, organization, and readiness of work areas, tools, and equipment. Qualification Checklist At least 3 years of experience in a technical, hands-on mechanical role (preferably in aerospace, energy, or high-pressure systems). Practical experience with hazardous systems/environments (e.g., cryogenics, pyrophorics, explosive atmospheres) is highly valued. Hands-on experience with high-pressure gas systems: assembly, commissioning, leak checking, and operation. Strong mechanical aptitude and proficiency in the use of hand and power tools, measurement instruments, and test equipment. Familiarity with maintenance and troubleshooting of complex mechanical and fluid systems. Basic proficiency in reading and interpreting technical drawings, schematics, and procedures. Safety-conscious mindset and knowledge of relevant safety regulations and compliance standards. Effective communication skills and ability to work collaboratively within a multidisciplinary team. Good organizational skills and attention to detail. Fluent in English, both spoken and written. Bonus Skills Experience in a development test environment, especially with cryogenics and high-pressure gas systems. Relevant technical education, certifications, or licenses. Experience with CAD software and MS Office suite. Ability to work well under pressure and manage multiple priorities. Strong problem-solving skills and initiative