BESS Construction Project Manager
OX2
Company Overview
What They Do
OX2 is a prominent renewable energy developer that specializes in wind power, having established its foundational expertise in this area since its inception in 2004. The company has developed and initiated construction on approximately 3.9 GW of onshore wind projects aimed at industrial and institutional customers, while also expanding its portfolio to include offshore wind, solar power since 2018, and energy storage solutions such as battery energy storage systems (BESS) (source: ox2.com). OX2 provides comprehensive end-to-end services across the renewable energy value chain, which encompasses financing, permitting, construction, technical and commercial management, and the sales of turnkey projects. This includes notable hybrid projects like the 119 MW solar plus 100 MW BESS SEC Renewable Energy Park Horsham in Australia (source: ox2.com). The company targets markets across Europe and Australia, catering to industrial customers, institutional investors, and utilities through power purchase agreements (PPAs), including significant contracts with major corporations like Google (source: renewables.digital). OX2 has established itself as Europe's leading developer of large-scale onshore wind projects since 2015, with over 3.2 GW developed and sold historically, leveraging its full value-chain integration and competitive pricing strategies (source: peas.com).
Projects & Track Record
OX2 has successfully completed numerous notable projects across Europe and Australia, including a variety of onshore wind farms such as Riberget in Ljusdal, Sweden; Ribäcken in Maalahti, Finland; and Rustari in Kurikka, Finland. Other significant projects include solar initiatives like the Ross River Solar Farm in Townsville, QLD, Australia, and the Wyalong Solar Farm in Wyalong, NSW, Australia (source: ox2.com). Currently, OX2 is engaged in major projects such as a 277 MW onshore wind initiative in Finland, which recently commenced construction, and several wind and battery storage projects in regional Western Australia. The company is also developing onshore wind projects like Skarpen in Ljusdal, Sweden, and Ukonpalo in Kuusamo, Finland, alongside solar projects like the Summerville Solar Farm in Rappville, NSW, Australia (source: renewables.digital). OX2's strategic partnerships with clients such as Google and Ellevio for offshore wind projects further solidify its competitive position in the renewable energy sector (source: renewables.digital).
Recent Developments
In the past two years, OX2 has made significant strides in its project portfolio, including the initiation of construction on a 277 MW onshore wind project in Finland and the acquisition of three wind power projects in Romania. The company has also secured contracts for major wind and battery storage projects in Western Australia and completed its first BESS in southern Sweden in 2024, while divesting another in Finland (source: ox2.com). Additionally, OX2 expanded its footprint by purchasing over 500 MW of solar and wind projects in Greece in March 2022, further enhancing its operational capabilities in the region (source: renewables.digital). In 2024, EQT Infrastructure VI made a strategic investment in OX2 to support its transition towards becoming an asset owner, which is expected to bolster the company's growth trajectory in the renewable energy sector (source: eqtgroup.com).
Working There
OX2 offers a diverse range of roles across various departments, including development, financing, permitting, construction, technical and commercial management, and operations. The company emphasizes a knowledge-based culture that promotes empowering leadership, open dialogue, and respect for local communities (source: ox2.com). Hiring occurs at its headquarters in Stockholm and other European hubs, including Finland, Poland, Romania, Greece, and Italy, as well as in Australia, particularly in Queensland and New South Wales, where active projects are underway (source: ox2.com). The company prides itself on its workforce diversity, with 42% of its staff being women and 38% in management positions, and it focuses on local job creation in areas surrounding its projects (source: altor.com). While specific employee benefits are not publicly detailed, OX2 encourages applications through its website, highlighting growth opportunities in expanding markets and technologies (source: ox2.com).
Last updated on Feb 23, 2026 | Report an issue
At OX2, we accelerate the transition to renewable energy by delivering sustainable infrastructure at scale. Finland is one of the world's leading countries in the utilisation of renewable energy sources.
In OX2 Finland we are now looking for a Construction Project Manager - BESS to lead utility-scale energy storage projects from Financial Close to Commercial Operation (COD) and final delivery.
The role
You will take full ownership of BESS project execution-ensuring delivery on time, budget, quality, and safety. This is a hands-on leadership role at the center of complex, high-impact projects. You will report directly to the Head of Construction in Finland.
You will be responsible for
- HSSE performance and safety culture
- Budget (CAPEX) and cost control
- Project schedule and milestones
- Quality, contracts, and compliance
- Stakeholder coordination and risk management
You'll act as the main interface between internal teams, contractors, suppliers, authorities, and clients.
Key responsibilities
Safety & Quality
- Drive HSSE standards across all activities
- Ensure compliance with legal and internal requirements
- Oversee quality assurance and reporting
Project Delivery
- Lead BESS projects from ready-to-build to COD
- Coordinate contractors, consultants, and suppliers
- Ensure smooth handovers across project phases
Budget, Schedule & Risk
- Manage timelines, costs, and forecasting
- Identify and mitigate risks
- Report progress and deviations
Contracts & Stakeholders
- Support contract negotiation and execution
- Manage interfaces between contractors
- Represent OX2 toward external stakeholders
Technical Coordination
- Support technical topics (BESS, grid, construction)
- Collaborate with engineering and procurement teams
- Contribute to project close-out and warranties
Qualifications
The right person for this position has strong experience in construction/project management (energy, infrastructure, or industrial projects)
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Experience in BESS, solar, or wind is a plus
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Solid understanding of contracts, construction execution, and delivery
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Ability to manage complex stakeholders and contractors
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Strong leadership and communication skills
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Commercial mindset and negotiation skills
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Structured, solution-oriented, and resilient
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Fluent in English (Finnish is considered a plus)
Why OX2
- Work on large-scale renewable energy projects
- Join a fast-growing international company
- Real impact on the energy transition
- Strong development opportunities
- Mix of office and site work with travel
Recruitment Process
At OX2, we believe diverse perspectives strengthen our teams and lead to better decisions. We welcome applicants from all backgrounds and encourage everyone with the right competence and experience with the permission to work in Finland to apply.
Our recruitment process is competence-based, which means the qualifications for the role guide the selection and evaluation of candidates.
Based on that, we conduct assessments as part of the process to make sure that our process is fair, unbiased, and data driven. Last application date, 2026-06-05. However we will review applications continuously and are ready to move quickly with the right candidate, so please do not hesitate to send your application today.
Apply now
Job expired?Please let OX2 know you found this job on Rejobs. This will help us grow and get more people to work on renewable energy!
Apply now
Job expired?Please let OX2 know you found this job on Rejobs. This will help us grow and get more people to work on renewable energy!
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About the role
May 20, 2026
Full time
Company
- Helsinki, Finland
- Tampere, Finland
- Oulu, Finland
- Vasa, Finland
Strong experience in construction/project management
UTC+02:00
