Junior Mechanical Engineer

Help grow a safer, cleaner, healthier future for everyone, every day.Who are we? is an industrial product company providing leading edge integrated corrosion and erosion monitoring systems, including non-intrusive and intrusive technologies. Since 1950, Cosasco has provided solutions for such diverse industries as oil and gas, petrochemical, water treatment, chemical, pulp and paper, pharmaceutical, and utilities.Cosasco is a subsidiary of Halma plc (“Group”). Halma plc is listed on the London Stock Exchange whose purpose is to grow a safer, cleaner, healthier future for everyone every day! Halma plc has a current market capitalization of approximately £7 billion. The group has nearly 50 businesses operating through four sectors (Medical, Environmental & Analysis, Process Safety, Infrastructure Safety) in more than 20 countries and major operations in Europe, North and South America and Asia, supplying customers in 160 countries and employing more than 6,600 people worldwide.Job Summary:We are looking for a detail-oriented and self-driven Mechanical Engineer to join our Engineering team in Santa Fe Springs, CA. This is a hands-on role that spans mechanical design, drawing and CAD model management, engineering change control, and cross-functional support across Production, Sales, and Project teams. The successful candidate will work directly on Cosasco’s hardware product lines including high-pressure access fittings, chemical injection quills, retrievable corrosion monitoring tools, and associated accessories and will contribute to compliance activities including ASME, ASTM, PED, and hazardous area certification processes.Duties/Responsibilities:Maintain mechanical drawings and 3D models using AutoCAD and Autodesk Inventor, adhering to Cosasco drafting standards and GD&T practices.Support the Engineering Request (ER) and Engineering Change Notice (ECN) process by reviewing check prints, confirming part numbers and revision levels, and verifying BOM accuracy following drawing release.Develop and maintain technical documentation including drawings, specifications, and bill of materials (BOM) within the ERP system.Perform and support General Arrangement Drawing (GAD) reviews per the Engineering GAD SOP, verifying connection definitions, envelope dimensions, and interface accuracy.Support documentation activities related to pressure equipment compliance, including familiarization with PED 2014/68/EU requirements and how they apply to Cosasco’s product range.Assist in preparing and organizing documentation packages for ASME and ASTM compliance, including gathering material certifications, test records, and relevant specifications as directed.Support hazardous area certification activities by helping to compile and organize documentation for ATEX/IECEx submissions under engineer guidance.Provide technical support to the Production team for manufacturing and fabrication queries, helping resolve job operation issues without unnecessary production delays.Review and respond to technical queries (TQs) from the Sales and Customer Service teams, providing engineering input on product configuration, specifications, and customer application requirements.Help review and organize procedure documentation (hydrostatic testing, NDE, PMI, painting) when customers submit comments, and support preparation of addendums as directed.Support alternate supplier identification for standard components by researching options and compiling data for senior engineering review.Assist in reviewing supplier drawings for basic conformance (correct part number, revision, key dimensions) before escalating to senior engineers for full technical approval.Maintain and update Jira tickets, track open actions, and help coordinate follow-ups ahead of weekly engineering review meetings.Keep engineering records, drawing files, and documentation organized within the ERP and document control systems in accordance with the Cosasco QMS.Support material traceability and procurement activities in alignment with the Cosasco QMS and ASTM/ASME material requirements.Support various areas of the business as needed, demonstrating flexibility and a collaborative approach.Required Skills/Abilities:RequiredBachelor’s degree in Mechanical / Materials / Industrial Engineering.1–3 years of professional experience in a manufacturing or industrial engineering environment.Knowledge in mechanical design using AutoCAD and/or Autodesk Inventor (2D drawings and 3D modeling).Knowledge of ASME and ASTM standards as they apply to pressure equipment and materials.Familiarity with PED 2014/68/EU compliance requirements and the documentation processes associated with CE marking.Ability to read and interpret engineering drawings, BOMs, and technical specifications.Strong attention to detail and the ability to manage multiple concurrent tasks.Effective written and verbal communication skills for cross-functional collaboration.PreferredExperience with ERP systems (Epicor) for BOM and work order management.Background in oil and gas, petrochemical, or fluid handling equipment manufacturing.Weld code practices experience, not essential but advantageousFamiliarity with QMS environments operating under ISO 9001:2015.#CosascoNot the right fit? 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