Senior Test & Validation Engineer

Lyten Labs AB

Lyten is leading an industrial revolution through Lyten 3D Graphene™, a breakthrough supermaterial unlocking a new generation of products — from lithium–sulfur batteries and energy storage systems to concrete admixtures, lightweight composites, and next-generation sensors that are revolutionizing industries. Together, these innovations are making a massive global improvement and driving real-world impact across energy, mobility, construction, and defense. Lyten is now seeking Material Development Engineer. You will be responsible for technical activities related to the evaluation and analysis of Li battery cells and associated materials. The position focuses on supporting the development, optimization, and validation of materials and components to ensure reliable performance in both commercial and R&D cell projects. Key Responsibilities Conduct material characterization, electrochemical testing, and performance evaluation of Li battery cells and related components. Analyze test data to assess material behaviours, degradation mechanisms, and cell performance trends. Support design and process optimization efforts to improve cell performance, safety, and manufacturability. Perform failure analysis to identify root causes of performance deviations and propose corrective actions. Collaborate with cross-functional teams—including cell design, process, and quality groups—to ensure consistent material evaluation standards and test methodologies. Prepare technical documentation, data summaries, and reports to support engineering decisions and project reviews. Stay informed on advancements in Li battery materials, analysis techniques, and relevant industry standards. Execute assigned evaluation and analysis tasks in consultation with senior engineers and contribute to achieving project milestones. Qualifications and Experience BSc or MSc in Chemical/Material/Electrical Engineering, and Chemistry. Experience and good understanding in evaluation, testing, or analysis of Li battery cells or related materials. Proficiency in analytical and electrochemical testing methods (e.g., EIS, charge/discharge cycling, material characterization). Strong analytical and problem-solving skills, with attention to data integrity and reproducibility. Effective communication and collaboration skills within a multidisciplinary R&D environment. Specific skills Hands-on experience with electrochemical testing (charge/discharge, EIS, CV). Proficiency in data analysis tools (Excel, Origin, Python preferred). Familiarity with material characterization techniques (XRD, SEM, ICP). Understanding of laboratory QA/QC principles. Ability to follow established test protocols with precision and consistency. At Lyten, we believe the most meaningful careers begin with purpose — and with people who want to make a difference. We’re not just developing advanced supermaterials — we’re about to change the world as we know it, reshaping how energy is stored, how products are built, and how progress is made. We’re entering an exciting growth phase, scaling production across the U.S. and Europe and expanding our team of engineers, scientists, and innovators. Apply now to join our team and be part of something bigger than yourself — where collaboration, creativity, and purpose come together to build the technologies that will define the next century.

Lyten Labs AB

The Data Engineer role exists to ensure that all test‑lab data is trustworthy, accessible, scalable, and usable for engineering, validation, analytics, and decision‑making. The function provides the technical backbone that enables reliable testing, advanced analysis, automation, and long‑term product improvement. The Data Engineer is responsible for designing and operating the data infrastructure that supports all laboratory test activities. This includes connecting test equipment, building pipelines for high‑frequency and large‑volume datasets, ensuring data quality, and enabling engineers, analysts, and scientists to work efficiently with accurate data. As the laboratory and organization expand, the role will evolve into a leadership function that guides the long‑term data strategy and leads a multidisciplinary data team. Key Responsibilities Key responsibilities include (but are not limited to) Design, build, and maintain data pipelines for high‑frequency lab data Integrate test equipment such as battery cyclers (Chroma, Keysight, PEC, PNE), chambers, DAQ systems, and PLCs Develop ETL/ELT processes to transform raw → validated → curated datasets Build scalable data storage solutions (data lakes, time-series DBs, structured metadata stores) Implement data validation, anomaly detection, and quality monitoring Automate data processing for reporting, dashboards, and analysis Ensure data traceability, version control, and audit compliance Work closely with test and validation engineers to understand test profiles, metadata, and measurement methods Support lab technicians with tools that simplify workflows and reduce manual data tasks Integrate with MES, LIMS, PLM, and other enterprise systems Troubleshoot data-related issues in test execution or equipment communication Take increasing ownership of data architecture and long‑term data roadmap Contribute to documentation standards, data governance, and best practices Requirements Qualifications and Experience Engineering in technical data role (Data Engineering, Data Science, Machine Learning) including processing, storage, quality, and management on GCP or AWS +4 years of relevant experience Project management experience Experience in large manufacturing or industrial enterprises with heterogeneous, distributed data sources, demonstrating ability to navigate complexity at scale Specific skills & Knowledge Proven experience scaling and re‑architecting data platforms and infrastructure to handle rapid growth and increasing data volumes Hands-on experience designing and building highly scalable and reliable data architectures using modern cloud and data tooling (e.g., AWS Kinesis, Lambda, Redshift, GCP equivalents; Airflow, dbt; Parquet, Protobuf, Avro) Strong programming skills in Python, SQL, and general-purpose scripting for automation, data processing, and integration Deep understanding of ETL/ELT frameworks (Airflow, dbt, Spark, etc.) and experience building production-grade data pipelines Familiarity with time-series and high‑frequency measurement data, particularly from industrial or test environments Cloud engineering experience in AWS, GCP, or Azure, including serverless architectures, distributed storage, and stream processing Experience with CI/CD, Git-based workflows, Docker, and robust software engineering practices Knowledge of data serialization formats (Parquet, Avro, Protobuf, JSON) and best practices for efficient storage and retrieval Experience integrating systems via APIs; familiarity with hardware communication protocols such as REST, OPC-UA, and Modbus is a strong plus Understanding of machine learning concepts and experience supporting data scientists with structured, high-quality datasets Domain knowledge (Preferred) Solid engineering foundation (electrical, mechanical, chemical, physical), preferably within the energy, electrical testing, or battery domain Understanding of sensor calibration, noise, drift, and data validation

Avaron AB

Om företaget Hos Avaron får du tryggheten i en fast anställning kombinerat med variationen av att arbeta ute hos olika kunder. Vi tillsätter specialister inom allt från teknik, IT och industri till projektledning och affärsstöd – och oavsett uppdrag har du en konsultchef som finns där för dig och din utveckling. Om rollen Du kliver in i en nyckelroll i projekt som utvecklar och säkrar framtidens energiinfrastruktur. Här arbetar du med testning, verifiering och driftsättning av högspänningsstationer i en tekniskt avancerad miljö där kvalitet, säkerhet och precision är avgörande. Du samarbetar nära projektledning, site management samt konstruktions- och teknikteam för att säkerställa en säker och effektiv överlämning av anläggningarna. Rollen passar dig som trivs nära den tekniska kärnan, gillar att samordna flera gränssnitt och vill bidra med din erfarenhet i komplexa projekt. Det här är en spännande möjlighet för dig som vill kombinera hands-on commissioning med stort inflytande i samhällsviktig teknik inom energisektorn. ArbetsuppgifterDu planerar, koordinerar och genomför test- och driftsättningsaktiviteter enligt projektets krav. Du driver arbetet med Pre-FAT, FAT, Pre-SAT och SAT och säkerställer att varje steg genomförs strukturerat och effektivt. Du följer upp testresultat, hanterar avvikelser och ser till att dokumentation och överlämning håller hög kvalitet. Du bidrar med tekniskt stöd till design- och projektteam under commissioningfasen. Du samordnar gränssnitt, tidplaner och aktiviteter mellan olika intressenter för att skapa ett smidigt genomförande. Du arbetar aktivt med att säkerställa att driftsättningen uppfyller kvalitets- och säkerhetskrav. Du tar fram commissioningrapporter, red marks och slutdokumentation. Resor till anläggningar ingår som en naturlig del av rollen. KravMinst 10 års erfarenhet av commissioning eller service av Electrical & Control Systems för HV Substations. Gedigen erfarenhet av testning, driftsättning och verifiering av högspänningsanläggningar. Erfarenhet av högvoltsstationer på 400kv. Erfarenhet av att planera och genomföra Pre-FAT, FAT, Pre-SAT och SAT. God kunskap inom elektriska system, HV-produkter och tillhörande kommunikationsprotokoll för stationer. Förmåga att läsa och tolka elkretsscheman och teknisk dokumentation. Erfarenhet av felsökning, problemlösning och tekniskt stöd under commissioningfasen. Erfarenhet av att koordinera aktiviteter med projektledning, site management och tekniska team. B-körkort. MeriterandeErfarenhet av Protection & SCADA-testning. Vi erbjuderFast anställning hos Avaron AB Tjänstepension Friskvårdsbidrag på 5 000 kr per år Ansökan Vi tillsätter löpande – sök gärna så snart du kan.