Test & Calibration Engineer – After-Treatment Systems (Vehicle Level)

About Us: AmpsTek – a global technology leader since 2013 – is transforming how businesses approach technology and staffing solutions. Founded by seasoned technology leaders across the UK, Europe, APAC, North America, and LATAM, and with registered offices in 30+ countries, we deliver exceptional service, scalable solutions, and measurable impact. With a portfolio of 200+ clients and millions of users across web and mobile platforms, we empower businesses to innovate, grow, and succeed. Join our team and be part of a dynamic, growth-oriented organization that values talent, creativity, and results. Role: : Test & Calibration Engineer – After-Treatment Systems (Vehicle Level) Location: Stockholm, Sweden-Onsite Duration: Fulltime Department: Powertrain Engineering – After-Treatment Integration Job Description:Client is seeking a skilled Test & Calibration Engineer to support our global commercial vehicle customer in Sweden.The role involves vehicle-level testing, software calibration, and configuration of advanced after-treatment systems for heavy-duty engines.You will be part of the onsite LTTS delivery team, working closely with OEM engineers to achieve emission, performance, and reliability targets.This position involves operating and testing heavy trucks — therefore, a valid Swedish Class C driving license is compulsory.Key ResponsibilitiesPlan and execute vehicle-level after-treatment system tests (DOC, DPF, SCR, thermal management, and regeneration).Perform software calibration, configuration, and validation using OEM-standard tools (ETAS INCA, CANape, MATLAB, Concerto).Conduct on-road and test-cell evaluations for performance, emission, and OBD compliance.Set up and instrument test vehicles; ensure accuracy, safety, and readiness for validation.Perform data logging, analysis, and reporting for emissions and system parameters.Collaborate with engine control, diagnostic, and hardware teams for function verification.Lead technical reporting: test plans, reports, issue lists, and validation records.Support calibration reviews, software release readiness, and emission compliance verification.Drive continuous improvement initiatives in test methodology, tools, and vehicle setup. Required Skills & Qualifications Education: Bachelor’s or Master’s degree in Mechanical, Automotive, or Mechatronics Engineering.Experience: 3–8 years in after-treatment calibration, vehicle testing, or powertrain validation (preferably for heavy-duty vehicles).Hands-on proficiency with ETAS INCA, Vector CANape, MATLAB/Simulink, Concerto, and other calibration tools.Knowledge of engine control systems, after-treatment architecture (DOC, DPF, SCR, DEF dosing), and OBD functionality.Familiarity with Euro VI/VIe/VII emission legislation and validation processes.Strong analytical and problem-solving mindset with attention to detail.Excellent verbal and written communication skills in English.Valid Swedish Class C truck driving licence – COMPULSORY. (Applicants without this licence will not be considered, as the role involves driving test trucks on public roads.) Desirable SkillsExperience with PEMS (Portable Emission Measurement Systems) and RDE testing.Exposure to hybrid or alternative-fuel powertrains (HVO, LNG, biogas).Understanding of CAN, LIN, and XCP communication protocols.Familiarity with onsite-offshore delivery models in automotive R&D.