Part-Time Executive Assistant for Construction Advisory

About the role

J.S. Held is seeking a proactive, part‑time Executive Assistant to support its Construction Advisory team in Madrid. The role ensures smooth day‑to‑day operations for a fast‑paced, client‑facing team working on international projects.

Key responsibilities

• Provide comprehensive administrative support to the Construction Advisory team.
• Manage calendars, schedule meetings and coordinate across multiple time zones.
• Organise domestic and international travel, handling logistics and itineraries.
• Assist in preparing presentations, reports and client‑facing materials.
• Track project timelines, deliverables and key milestones.
• Liaise with clients, vendors and internal stakeholders professionally and promptly.
• Maintain accurate records and support basic financial tracking and reporting.
• Coordinate internal and external meetings, events and workshops.
• Identify opportunities to improve processes and enhance operational efficiency.

Required profile

• Diploma in Business Administration, Management or a related field.
• Proven experience as an Executive Assistant, Administrative or Operations support professional in a fast‑paced environment.
• Excellent written and verbal communication skills in English and Spanish.
• Strong organisational and time‑management abilities with attention to detail.
• Ability to manage multiple priorities and work effectively under pressure.

Required skills

• Microsoft Office (Outlook, Word, Excel, PowerPoint).
• Familiarity with ERP systems, preferably Microsoft Dynamics 365.