Assistant(e) de Direction & Responsable de Bureau (H/F)

Job Description

If you are passionate about renewable energy and want to contribute to the transition toward a more sustainable future, we invite you to join our team. At Mainstream, you will have the opportunity to work alongside experienced and diverse professionals while contributing to projects that have a meaningful long-term impact.

• Reporting to: PA & Office Manager.
• Department: Office Management
• Job Location: Santiago, Chile.
• Travel Required: No.

What do we do?

Mainstream Renewable Power is a leading renewable energy company with significant experience in renewable energy projects worldwide, spanning wind, solar, and emerging clean energy technologies. With a growing portfolio of renewable assets in operation, Mainstream is committed to delivering sustainable energy solutions to support the global energy transitionds.

What are we looking for?

The PA & Office Manager will provide high-level executive support while ensuring the efficient day-to-day operations of the office. This role combines managing the executive's schedule, communications, and travel with overseeing office administration, vendor coordination, and workplace services to create a well-organized and productive environment.

What Challenges will you face?

• Manage the General Manager's calendar, meetings, and travel arrangements.
• Act as the first point of contact with the travel agency to arrange flights, accommodations, and ground transportation in line with company policy.
• Prepare materials, presentations, and communications.
• Oversee information flow, expenses, budget, and reporting.
• Coordinate and execute internal and external events, offsites, and company meetings.
• Supervise and develop administrative and support staff.
• Oversee office operations, budgets, and vendor contracts.
• Manage office facilities, seating plans, and equipment.
• Support onboarding by preparing workstations and coordinating IT setup.
• Serve as liaison with building administration, security, and SHEQ teams.
• Provide backup reception support when required.
• Support with employee events and internal communications.

What knowledge do you require?

Educational, knowledge and experience background

• Strong organizational and time management skills to handle multiple priorities effectively.
• Excellent communication and interpersonal skills to interact with stakeholders at all levels.
• High attention to detail and accuracy in managing information, reporting, and scheduling.
• Problem-solving and decision-making abilities to address challenges proactively.
• Proficiency in MS Office Suite (Word, Excel, PowerPoint, Outlook) and familiarity with office systems.
• Discretion and professionalism in handling confidential information.
• Ability to work independently and as part of a team in a fast-paced environment.

Language skills

• Spanish
• English proficiency is considered an advantage.

What we offer?

We offer the opportunity to work in a collaborative and diverse environment within the renewable energy industry, with exposure to a wide range of projects and teams. We also provide a competitive compensation and benefits package.