Mainstream Renewable Power

PA & Office Manager

Join Mainstream Renewable Power in Santiago as a PA & Office Manager. Support executive operations, manage office administration, and coordinate events in a dynamic renewable energy environment. Benefit from a collaborative culture and competitive compensation.

Mainstream Renewable Power

Company Overview

Name

Mainstream Renewable Power

Headquarters

Dublin, Ireland

Founded

2008

Size

Approximately 400 employees globally (source: mainstreamrp.com). Revenue data for 2023 is not publicly available.

What They Do

Mainstream Renewable Power is a leading global developer of renewable energy projects, focusing on onshore wind, solar PV, offshore wind, and hybrid solutions. The company has a robust development pipeline of 12.3 GW in onshore wind, 7.1 GW in solar PV, and 4.5 GW in offshore wind, including innovative floating technologies. Their commitment to sustainability extends to green hydrogen initiatives aimed at hard-to-abate sectors, showcasing their versatility in the renewable energy landscape (source: mainstreamrp.com). Mainstream operates under a Global Development Standard that ensures bankability and reliability in their utility-scale assets, which are crucial for meeting the growing energy demands of various markets.

Projects & Track Record

Mainstream has an impressive track record of completed projects across multiple continents. Notable projects include Ireland's Raragh (12 MW onshore wind), Carrickeeny (sold to IKEA), and the operational Arklow Bank offshore wind farm, which was the first of its kind in Ireland. In South Africa, they have developed significant assets such as the Jeffreys Bay wind farm and the De Aar solar project, both operational since 2017. In Chile, they have made strides with the 33 MW Negrete Cuel wind farm and the 105 MW Valle Escondido solar project, contributing to a total of 1.4 GW in operating or under construction assets (source: mainstreamrp.com). Their ongoing projects include a substantial 23.9 GW net pipeline, with significant developments in onshore wind and offshore wind across various regions.

Recent Developments

In recent years, Mainstream has achieved several significant milestones. In May 2024, they secured a feasibility licence for a 2.5 GW offshore wind project in Australia, marking a major expansion into new markets. In 2023, they completed the sale of Lekala Power, Africa's largest pureplay renewable IPP, and divested their Chilean joint venture Aela Energia while launching the 1 GW Nazca Renovables platform in Chile. The company also announced plans to create 100 new jobs at their Dublin headquarters to support global growth and local offshore developments (source: mainstreamrp.com). These developments reflect Mainstream's strategic focus on expanding their footprint in the renewable energy sector.

Working There

Mainstream offers a diverse range of roles across various departments including development, construction, operations, finance, and engineering. The company emphasizes hiring at their expanded Dublin headquarters, where they announced the creation of 100 new jobs to support their growth initiatives. Their culture is characterized by a strong sense of Irish heritage and a unified mission to lead the energy transition globally. Employees benefit from a collaborative environment that encourages continuous improvement and stakeholder engagement, although specific benefits are not detailed in available sources (source: mainstreamrp.com). The company also invests in employee development through in-person education sessions and the use of modern tools to enhance productivity.


Last updated on Jun 30, 2026 | Report an issue

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.

Apply now

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About the role

August 4, 2026

August 7, 2026

Full time

On-site

Company

Solar Energy, Wind Energy

Mainstream Renewable Power

mainstreamrp.com

  •  Santiago, Chile

Not specified, but requires strong organizational and communication skills.

UTC-03:00