ISPROX \- we are a Human Resources Consulting firm specialized in talent acquisition for business organizations. Our goal is to select talent for companies that best care for human value and maintain a people-focused policy. We are present throughout the national territory to be close to our clients and candidates. Our client is a leading company in the civil construction sector, with over 50 years of experience in developing large-scale projects at national and international levels. With a solid position and continuous investment in innovation and quality, they are now seeking to strengthen their Technical\-Commercial Department by integrating an experienced Civil Engineer who will be responsible for coordinating and preparing technical and commercial proposals for public and private tenders in the civil construction field. **Main Responsibilities:** Prepare technical and commercial proposals in accordance with tender requirements; Coordinate all phases of the proposal preparation process; Ensure compliance with required deadlines and standards; Support the team in managing electronic procurement platforms; Collaborate with multidisciplinary teams in Portugal and abroad. **Desired Profile:** Bachelor's degree in Civil Engineering (preferable); Minimum of 5 years of experience in similar roles; Preference for users of Candy CCS and electronic procurement platforms; Good knowledge of English and French (preferable); Proficiency in Microsoft Office and Microsoft Project tools; Ability to work under pressure and strong sense of responsibility; Availability for travel within national and international territories. **What we offer:** Integration into a solid and growing project; Opportunities for professional development and skill enhancement; Salary package tailored to experience and responsibilities; Additional benefits such as meal allowance and health insurance.