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PA & Office Manager

Open 16d

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.
  • Coordinate reception activities.
  • 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.

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