Lediga jobb GREEN 14 AB i Stockholm

We are looking for an experienced Chemical Process Engineer with a strong background in silicon and/or silane production technologies to join GREEN14 and help revolutionize sustainable silicon production through hydrogen plasma technology.
At GREEN14, we are developing cutting-edge technology to produce high-purity silicon, an essential material for solar cells, semiconductors, and next-generation battery anodes. As part of our Process Engineering team, you will play a key role in scaling up and industrializing our silicon production process from pilot to factory-scale, ensuring successful technology implementation and optimization.
Key Responsibilities Include (but not limited to):
Lead process design, scale-up, and industrialization of silicon production, including handling and purification systems.
Collaborate with R&D engineers, equipment suppliers, engineering contractors, and production teams to ensure smooth integration of the technology into full-scale production.
Lead vendor selection processes, including technical evaluations, inspections, FATs, and SATs for equipment related to silicon production.
Ensure all chemical processes conform to safety, environmental, and technical requirements, with a strong focus on process safety and risk assessments (HAZOP, SIL).
Develop and review technical documentation, including process diagrams, equipment specifications, and commissioning plans.
Lead commissioning and start-up activities for silicon production lines, ensuring efficient handover to the operations team.
Drive systematic problem-solving initiatives and establish best practices for continuous improvement in silicon production processes.
Implement best-in-class safety, environmental, and quality standards for silicon production under pressurized and inert conditions, ensuring compliance with ATEX and the Pressurised Equipment Directive.



Preferred Skills:
Strong experience in gas separation and purification or silane (MCS, STC, TCS) production or utilization.
Experience in polysilicon production, particularly with CVD reactors or Siemens process.
Familiarity with Fluidized Bed Reactor (FBR) technology and hydrochlorination for silane production.
Expertise in Czochralski crystal growth or Float Zone processing for semiconductor-grade silicon.
Familiarity with waste valorization and materials purification in silicon production.
Knowledge of automation and AI-driven process control in chemical or materials production, with experience optimizing complex chemical processes.
Experience in semiconductor-grade silicon quality control, metrology, and characterization techniques.
Advanced understanding of gas handling systems and safety protocols for pyrophoric gases under ATEX guidelines.



What We’re Looking For:
5+ years of industrial process engineering experience, ideally in the production and utilization of silicon or silane (MCS, STC, TCS).
Degree in Chemical Engineering or a similar field.
Experience in the design and scale-up of chemical production facilities (brownfield/greenfield), especially in silicon production or gas handling systems.
Strong knowledge of chemical reactors, scrubbers, material handling, and equipment commissioning.
Familiarity with risk assessments such as HAZOP, SIL, and ATEX compliance.
Hands-on experience in overseeing the commissioning of chemical production equipment and processes under inert and pressurized conditions. Visa mindre

We are seeking a Computational Engineer to join our team in Stockholm, Sweden, to lead the development of our silicon production model. The role will involve providing technical lead for CFD and Multiphysics modelling, as well as contributing to the improvement and optimization of these processes to support the design phase and develop useable tools for research and production.
Key Responsibilities:
Lead the development of ground-breaking bespoke computational modelling (CFD, MHD, multiphysics) for plasmochemical engineering and refining processes together with best-in-class OEM and research partners.
Evaluate data internal experiments and external sources to implement and validate the model.
Analyze data from internal and external processes to identify areas for improvement and new submodels for research.
Lead the design and implementation of reactor parametrisation and digital twin control measures based on GREEN14’s existing computational models.

Qualifications:
Master’s degree or PhD in Chemical or Mechanical Engineering, Manufacturing, Metallurgy, Material and Processes, or equivalent with a computational focus.
Ability to work with limited technical direction, attention to detail, and initiative to troubleshoot issues with model validation, HPC management, and software project management.
Excellent communication and interpersonal English language skills.
Proficiency in 3D meshing for turbulent CFD analysis, using CAD for CFD in ANSYS suite.
Ability to generate and maintain documentation and manuals for software programs.
Ability to perform chemical engineering calculations (e.g.: energy/material balances, reactive system calculations).
Knowledge of process development covering the range from process modeling/bench scale trials to commercial plant implementation and design.

Preferred Qualifications:
MATLAB/Simulink proficiency as well as experience in C/C++.
Another language is helpful but not essential.
5+ years working knowledge and experience with CFD, MHD, or multiphysical modelling in the aerospace or metallurgical industries: COMSOL or ANSYS suites preferred.
Scientific programming and database skills desirable: Python, R, and .
Knowledge of materials such as silicon preferred. Knowledge of other materials also useful: aluminium, titanium, steel, copper, zinc, lead.

We are looking for a candidate who is curious, innovative, and takes ownership of their work. A flexible and entrepreneurial spirit, along with the ability to think beyond rules and procedures with safety in mind, will be highly valued. Visa mindre

GREEN14 is at the forefront of revolutionizing silicon production through advanced hydrogen plasma technology. Our mission is to contribute significantly to the green transition and achieve European independence in silicon supply chains. We are committed to developing ultra-pure silicon, a critical component in renewable energy and semiconductor technologies. Our approach integrates cutting-edge simulation intelligence, multi-physics, and AI-driven methodologies to overcome traditional limitations in reactor design and optimization.
Role Summary:
We are seeking a highly skilled Chemical Modeling Specialist to join our dynamic research and development team. The ideal candidate will possess deep expertise in chemical modeling techniques, including FactSage and molecular dynamics simulations, with a specific focus on plasma- and gas-based processes for silicon and silane production. This role involves conducting advanced simulations to optimize reactor designs and processes, contributing to our goal of revolutionizing silicon production.
Key Responsibilities:
Develop and implement chemical models for hydrogen plasma interactions in silicon production using FactSage and molecular dynamics simulations.
Collaborate with the engineering team to integrate chemical models into multi-physics and multi-scale simulation frameworks.
Utilize AI-driven methodologies for optimizing reactor design and process parameters, with a focus on achieving high-purity silicon output.
Analyze simulation data to understand plasma-material interactions, thermodynamics, and kinetics in the reactor environment.
Participate in the design and execution of experimental validations for simulation models.
Contribute to the development of innovative solutions to enhance the efficiency and sustainability of silicon production processes.
Stay abreast of the latest advancements in chemical modeling, plasma physics, and material science related to silicon production.

Desired Experience and Skills:
Master’s degree or PhD in Chemical Engineering, Plasma Physics, Materials Science, or a related field.
Proven experience in chemical modeling, particularly with FactSage and molecular dynamics simulations.
Strong understanding of thermodynamics, kinetics, and plasma-material interactions.
Experience with multi-physics simulation tools and AI-driven optimization methodologies is highly desirable.
Excellent analytical, problem-solving, and computational skills.
Ability to work collaboratively in a multi-disciplinary team environment.
Strong communication skills, with proficiency in English.

What We Offer:
A unique opportunity to be part of a pioneering project with significant environmental and socio-economic impact.
A dynamic, innovative, and supportive work environment.
Competitive salary and benefits.
Opportunities for professional growth and development. Visa mindre

We are seeking a Computational Engineer to join our team in Stockholm, Sweden, to lead the development of our silicon production model. The role will involve providing technical lead for CFD and Multiphysics modelling, as well as contributing to the improvement and optimization of these processes to support the design phase and develop useable tools for research and production.
Key Responsibilities:
Lead the development of ground-breaking bespoke computational modelling (CFD, MHD, multiphysics) for plasmochemical engineering and refining processes together with best-in-class OEM and research partners.
Evaluate data internal experiments and external sources to implement and validate the model.
Analyze data from internal and external processes to identify areas for improvement and new submodels for research.
Lead the design and implementation of reactor parametrisation and digital twin control measures based on GREEN14’s existing computational models.

Qualifications:
Master’s degree or PhD in Chemical or Mechanical Engineering, Manufacturing, Metallurgy, Material and Processes, or equivalent with a computational focus.
Ability to work with limited technical direction, attention to detail, and initiative to troubleshoot issues with model validation, HPC management, and software project management.
Excellent communication and interpersonal English language skills.
Proficiency in 3D meshing for turbulent CFD analysis, using CAD for CFD in ANSYS suite.
Ability to generate and maintain documentation and manuals for software programs.
Ability to perform chemical engineering calculations (e.g.: energy/material balances, reactive system calculations).
Knowledge of process development covering the range from process modeling/bench scale trials to commercial plant implementation and design.

Preferred Qualifications:
MATLAB/Simulink proficiency as well as experience in C/C++.
Another language is helpful but not essential.
5+ years working knowledge and experience with CFD, MHD, or multiphysical modelling in the aerospace or metallurgical industries: COMSOL or ANSYS suites preferred.
Scientific programming and database skills desirable: Python, R, and .
Knowledge of materials such as silicon preferred. Knowledge of other materials also useful: aluminium, titanium, steel, copper, zinc, lead.

We are looking for a candidate who is curious, innovative, and takes ownership of their work. A flexible and entrepreneurial spirit, along with the ability to think beyond rules and procedures with safety in mind, will be highly valued. Visa mindre