Key Skills

Job Description

As Proposal Engineer, you develop the thermal design and technical content of our heat exchanger proposals. You turn customer requirements into feasible, accurate, well-documented solutions, working closely with the Technical Sales Manager. Location: Netherlands, Den Haag and/or Tiel. Key responsibilities Review customer inquiries, specifications and datasheets, and identify missing or unclear information Perform thermal design and rating, and prepare datasheets, technical descriptions and preliminary drawings Document assumptions, exclusions, deviations and risks, and maintain clarification logs Prepare cost inputs and man-hour estimates Support customer meetings and negotiations with technical clarification Prepare handover documentation for project execution on order intake Support business development, including customer visits and industry events Equipment experience Core experience with: Shell-and-tube heat exchangers (TEMA types, e.g. fixed tubesheet, U-tube, floating head) Pressure vessel heat exchangers Coolers Condensers Feedwater preheaters Nice to have (coil and tubular equipment): Economizers Flue gas coolers Flue gas condensers Air coolers Air preheaters Technical competencies Thermal design and rating of shell-and-tube and tubular heat exchangers Preparing process and thermal datasheets (e.g. TEMA datasheets) as the basis for mechanical design and GA drawings Single-phase, condensing and evaporating services Optimizing heat transfer surfaces, tube layouts and baffle arrangements against pressure drop and fouling Flow-induced vibration assessment Material selection for corrosive and high-temperature service. Experience with exotic materials (titanium, nickel alloys) and/or duplex and super duplex stainless steels is strongly preferred, including an understanding of why they are selected Basic understanding of EN and ASME design principles, to work effectively with mechanical engineers Standards and codes Knowledge of: TEMA API 660 (a plus) Working familiarity with: ASME Section VIII Div. 1 ASME I EN 13445 PED 2014/68/EU Software Hands-on experience with either: HTRI Aspen Industries Experience in one or more of the following. Chemical industry experience is strongly preferred. Chemical industry Process industry Power generation Waste-to-energy Biomass District heating Pulp & paper Education and experience Bachelor's degree in Mechanical, Process or Chemical Engineering, or equivalent 1–2 years of relevant experience in heat exchanger design or proposal engineering Clear, structured and traceable technical documentation Awareness of fabrication, QA/QC and cost drivers Professional working proficiency in English, written and spoken At senior level, additionally 5+ years of experience in a comparable role Independently owns complex, high-value or high-risk inquiries Mentors junior colleagues and reviews their work Acts as first point of escalation and deputizes for the Technical Sales Manager when delegated Contributes to improving tools, procedures and best practices

Core Responsibilities

Develop thermal designs and technical proposal content for heat exchangers, including reviewing customer requirements, preparing datasheets and preliminary drawings, and documenting assumptions, deviations, and risks. Support cost estimation, customer discussions, order handovers, and business development activities.

Requirements

A bachelor's degree in Mechanical, Process, or Chemical Engineering (or equivalent) and 1–2 years of relevant experience are required; senior candidates need 5+ years of comparable experience. Candidates should have heat exchanger design expertise, familiarity with relevant codes and software, strong technical documentation skills, and professional working proficiency in English.