Are you looking for a new opportunity to grow professionally? Grupo Marco is much more than a business group—we build the future. For over 30 years, we have been transforming our environment through Construction, Public Works, Mining, and Industry, consistently committing to excellence, safety, and the talent of the people who form part of our team. At Grupo Marco, we are continuously growing and currently need to incorporate an Administrative Officer (Construction Projects) into our Facilities and Energy team. Madrid **Key responsibilities:** * Registration, filing, and control of contracts, budgets, certifications, and invoices. * Preparation and monitoring of administrative and financial reports. * Support in budget preparation and supplier comparison analyses. * Control of construction site expenses and reconciliation with the approved budget. * Management of delivery notes, proforma invoices, invoicing, review of subcontractor documentation on occupational health and safety (OHS) platforms, and payments. * Oversight of construction certifications and their processing with the technical management team. * Supervision of employment-related and occupational risk prevention documentation. * Administrative liaison between headquarters and construction sites. What do we expect from you? Required skills and experience * Education in Administration or related field. * Knowledge of the Spanish General Accounting Plan (PGC) and International Financial Reporting Standards (IFRS), as well as accounting principles. * Advanced proficiency in office software. * Familiarity with ERP systems (e.g., Navision) is desirable. * Immediate availability to join is a plus. What will you find if you join us? The position offers an indefinite contract from day one and full-time working hours, Monday to Friday. Attractive financial conditions: We offer a competitive compensation package, with a market-aligned salary adjusted to your experience and professional profile. **Professional development and training plan:** We’ll walk this path together—you’ll receive a tailored career development plan, and you set the pace. You’ll have access to free English classes to further your development, as well as additional training programs designed to strengthen your technical and interpersonal competencies. Flexibility and work-life balance: We champion a flexible and secure work environment. At Grupo Marco, we understand flexibility is essential to strengthening relationships with our teams. Social benefits: You’ll enjoy private health insurance as part of flexible compensation, fresh fruit if you’re in the office daily, and complimentary coffee. Additionally, we offer a pension plan and other flexible compensation options such as childcare vouchers. We also organize padel leagues, participate in running races, and host various team-building activities. Excellence: We plan, manage, and execute all our projects with sound judgment, efficiency, and integrity. Are you interested in joining our team? Apply to this vacancy and we’ll contact you to get to know you better. At Grupo Marco, we are committed to fostering an inclusive and equitable workplace where everyone has equal access to employment opportunities. As an employer promoting equality, we guarantee that our selection and hiring processes are based solely on candidates’ skills and qualifications—without distinction based on gender.