Full-Time

Office Assistant

Greenvolt

Greenvolt

201-500 employees

Develops biomass, wind, solar, storage assets

No salary listed

Madrid, Spain

In Person

Category
Administrative & Executive Assistance (1)
Required Skills
Inventory Management
Word/Pages/Docs
Excel/Numbers/Sheets
Microsoft Outlook
PowerPoint/Keynote/Slides

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Requirements
  • A high school diploma or equivalent is required.
  • Proven experience as an office assistant or in a similar administrative role is required.
  • Proficiency in Microsoft Office Suite, including Word, Excel, PowerPoint, and Outlook, is required.
  • Excellent organizational and multitasking abilities are required.
  • Strong verbal and written communication skills are required.
  • Ability to work independently and as part of a team is required.
  • Attention to detail and problem-solving skills are required.
  • Fluency in English is required.
Responsibilities
  • Provide general administrative support to various departments.
  • Manage office supplies and inventory, ensuring a well-equipped and organized workspace.
  • Assist in organizing meetings, preparing agendas, and taking minutes.
  • Handle incoming calls, emails, and correspondence professionally.
  • Maintain filing systems and databases, ensuring they are up to date.
  • Coordinate travel arrangements and accommodations for staff.
  • Support the onboarding process for new employees.
  • Assist in the preparation of reports and presentations as needed.
Desired Qualifications
  • Additional qualifications in office administration are a plus.
  • Proficiency in additional languages is a plus.

Greenvolt is a pan-European independent power producer and renewable energy developer focused on three pillars: sustainable biomass, utility-scale wind and solar projects, and distributed generation. It manages the full lifecycle of green energy assets—from development and construction to operation and strategic asset rotation—across multiple geographies. Its products come from electricity generation tied to long-term power purchase agreements, with revenue also derived from the strategic sale of mature renewable assets. The company is expanding into battery energy storage to enhance grid flexibility. Greenvolt distinguishes itself through strong execution capabilities, deep technical expertise, and a growing project pipeline supported by solid institutional backing. Its goal is to accelerate the global energy transition by enabling large-scale renewable developments and decentralized self-consumption, improving grid reliability, and helping customers reduce their carbon footprints.

Company Size

201-500

Company Stage

IPO

Headquarters

Lisbon, Portugal

Founded

2005

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Simplify Jobs

Simplify's Take

What believers are saying

  • UniCredit funded €218 million for Polish BESS on 27 August 2026.
  • Turośń Kościelna began operations in July 2026, validating Greenvolt’s execution.
  • May 2026 bond issuance raised €70 million, extending growth capital for projects.

What critics are saying

  • Ełk must reach COD in 4Q26; delays pressure financing and returns.
  • Greenvolt depends on merchant storage economics and Polish regulation for 2026-2027 BESS margins.
  • KKR owns 97.7%; minority investors lost liquidity, and delisting cuts talent appeal.

What makes Greenvolt unique

  • Greenvolt operates 400 MW/1.6 GWh of Polish BESS, among Europe’s largest builds.
  • It combines development, construction, operations, and asset rotation across biomass, wind, solar, storage.
  • KKR controls Greenvolt, providing deep capital for aggressive infrastructure scaling.

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Benefits

Flexible Work Hours

Professional Development Budget

Training Programs

Growth & Insights and Company News

Headcount

6 month growth

30%

1 year growth

30%

2 year growth

32%
Renewables Now Ltd
Aug 27th, 2026
Greenvolt lands UniCredit debt for 400 MW of Polish BESS

Portuguese renewable energy company Greenvolt Group said on Thursday it has closed a EUR-218-million (USD 253.9m) funding deal with Italy’s UniCredit SpA (BIT:UCG) supporting two of its Polish battery projects totalling 400 MW/1,600 MWh.

Media9Par, S.A.
Sep 19th, 2025
Greenvolt Completes €50M Capital Increase

Greenvolt completed the second phase of its capital increase, raising an additional €50 million. The first phase, amounting to €100 million, occurred in August. This brings the total capital increase to €150 million, fully subscribed by shareholder KKR. The recent €50 million was contributed by GVK Omega, SGPS. Following this, Greenvolt's subscribed and paid-up capital now totals €917.1 million, represented by 205,348,791 ordinary shares.

ESG Today
Jul 31st, 2025
KKR Commits $170 Million to Grow Clean Energy Platform Greenvolt - ESG Today

Clean energy developer and producer Greenvolt announced today a €150 million (USD$171 million) share capital increase, fully subscribed by alternative asset and private equity investor KKR, aimed at supporting its growth, with a particular focus on its large-scale battery storage solutions. Founded in 2021, Portugal-based Greenvolt was acquired by KKR in 2024 for €1.2 billion. […]

Media9Par, S.A.
Jul 31st, 2025
Greenvolt Raises €150M with KKR Investment

Greenvolt is increasing its capital by €150 million through an investment from KKR, conducted in two phases: €100 million in early August and €50 million by September 30. This move aligns with Greenvolt's strategic plan and enhances its execution capacity, particularly in utility-scale projects and large-scale battery storage solutions. The company aims to strengthen its position in the energy transition, with significant investments planned in this technology.

Greenvolt Group
Jul 31st, 2025
Share Capital Increase - €150 Million - Greenvolt

Greenvolt Group Announces €150 Million Share Capital Increase Fully Subscribed by KKR