3E

Senior Renewable Energy Engineer

Join 3E in Cape Town as a Senior Renewable Energy Engineer. Lead solar and wind consultancy projects from feasibility to operation, supporting clients with technical due diligence and owner's engineer services. Enjoy flexible work, a competitive salary, and a vibrant international team with stunning views of Table Mountain.
3E
3E
Cape Town, South Africa Flexible Full time UTC+02:00

3E

Company Overview

Name

3E (3E NV)

Headquarters

Brussels, Belgium

Founded

1999

Size

Approximately 100-150 employees (source: devex.com). No public revenue figures available for 2023 or later.

What They Do

3E focuses on solar energy, wind energy, battery energy storage systems (BESS), sustainable buildings, sites, energy infrastructure, and energy markets. The company offers SaaS platforms and consulting services throughout the entire lifecycle of renewable projects, from development to operation (source: devex.com). Their flagship product, SynaptiQ, is a SaaS platform launched in 2010 that optimizes over 20 GW of connected capacity and provides advice on 90 GW of assets in 2023 (source: 3e.eu). This platform offers performance analytics, proactive monitoring, ROI recommendations, and multi-stakeholder reporting, and is designed for PV, wind, and BESS portfolios.

Projects & Track Record

3E has supported renewable projects in over 40-60 countries with a track record of more than 20 years. A notable project includes optimizing an 800 MW wind portfolio for Renovatio in Eastern Romania through customized measurement campaigns (source: 3e.eu). For Opdenergy in Spain, 3E provided regulatory and technical guidance for hybridizing existing installations with BESS and renewable energy (source: 3e.eu). Ongoing efforts include a partnership with RJE for performance management in Spain and collaborations such as digitizing ReNew Power's 4,100 MW wind/solar portfolio in India via SynaptiQ.

Recent Developments

In 2023, 3E achieved milestones of 20 GW of connected capacity in SynaptiQ and 90 GW of advised assets, and opened an office in Spain (source: 3e.eu). A strategic partnership with BayWa r.e. was announced for global monitoring of PV portfolios using SynaptiQ, focusing on operational excellence across 10 GW of assets (source: baywa-re.com). In 2024-2025, 3E collaborated with TGS on integrating Virtual Met Mast technology into Wind AXIOM for improved wind farm planning.

Working at 3E

3E offers positions in engineering (wind/solar/BESS modeling, system engineering), software/data analysis (development of SynaptiQ, AI solutions), consulting (due diligence, feasibility, project management), and more, with a multidisciplinary team of about 100-150 experts (source: 3e.eu). Active recruitment is taking place at the headquarters in Brussels and at key locations such as Barcelona, Paris, and Cape Town, reflecting the expansions in these regions. The culture emphasizes innovation, international collaboration, and long-term customer relationships, as noted by co-founder/CTO Werner Coppye.


Last updated on Feb 23, 2026 | Report an issue

To anchor our leading market position, we are looking for an experienced Solar and/or Wind expert to join our South Africa team.

In this role, you will take on a pivotal position as a key contact for our customers, overseeing the end-to-end delivery of consultancy projects. With a mix of due diligence and owner's engineer responsibilities, you will support our clients at every stage of project development - from feasibility to operational monitoring.

Specific responsibilities include

Technical Due Diligence

  • Lead and manage technical due diligence assignments, advising clients through the financial close phase.
  • Assess and mitigate technical risks across project CAPEX, OPEX, and revenue forecasts.
  • Coordinate with legal, insurance, and financial advisors to ensure comprehensive project evaluations.
  • Review and negotiate key contracts (e.g., EPC, O&M, PPA, and Wind Turbine Generator Supply agreements) for both solar and wind projects.

Owner's Engineer Services

  • Oversee project feasibility studies, providing detailed technical input from preliminary assessments to full economic analysis.
  • Monitor construction progress, ensuring alignment with design specifications and best practices.
  • Manage EPC and O&M tender preparations, participate in contract negotiations, and guide clients through the award process.
  • Conduct on-site project acceptance testing and commissioning, collaborating with contractors to resolve issues and ensure project milestones are met.
  • Oversee project operations, supporting clients during the operational period to optimize performance and ensure long-term asset integrity.

Additional Tasks

  • Conduct thorough technical reviews of project permits, designs, and resource assessments.
  • Lead and document technical inspections during construction and commissioning phases.
  • Propose strategies for risk mitigation, drawing on comprehensive knowledge of renewable energy project lifecycles.

Requirements

We are seeking a dynamic, organized team player with a proactive approach to problem-solving. The ideal candidate is an adaptable leader with excellent communication skills, able to engage various stakeholders and foster effective collaboration.

Key qualifications include

  • Master's Degree in Engineering or equivalent, with specialized training or experience in renewable energy (wind and/or solar).
  • Minimum of 5 years in renewable energy, with at least 3-5 years in wind and/or solar consultancy.
  • In-depth experience as both a Lender's and Owner's Technical Advisor, handling technical due diligence, particularly in PV EPC, O&M, PPA, and Wind Turbine contracts, including EPC, WTG supply, O&M agreements, and Power Purchase Agreements (PPA).
  • Proven ability to manage and execute Owner's Engineer responsibilities, including design review, project management, and technical advisory throughout the development, construction, and operational phases.
  • Hands-on experience with construction monitoring and inspections, guiding clients through the construction process to ensure adherence to technical and regulatory requirements, industry standards, and project goals.
  • Competency in reviewing and overseeing acceptance testing and commissioning activities performed by contractors, addressing issues promptly to ensure on-time project handover.
  • Familiarity with feasibility studies and resource assessments for solar and wind projects, with an understanding of economic, technical, and operational considerations that influence project viability.
  • Strong analytical and problem-solving skills, with a proven ability to assess technical risks, propose mitigation strategies, and support both TDD and OE functions across CAPEX, OPEX, and revenue forecasts.
  • Excellent project management skills, coordinating multidisciplinary teams, managing timelines, and aligning project deliverables with client expectations.
  • Proficient in technical software tools relevant to both TDD and OE roles, with a demonstrated ability to learn and adapt to new systems quickly.
  • High level of organization, capable of managing complex, concurrent projects while ensuring quality, budget, and schedule targets.
  • Strong interpersonal and communication abilities, with the capacity to convey technical information clearly and adapt messaging to different audiences, including sponsors, contractors, and lenders.
  • Willingness to travel for short assignments across Africa, as required.
  • Fluent in spoken and written English. French and/or Portuguese language skills are advantageous.

Benefits

In addition to joining a fast-growing international company that promotes a stimulating atmosphere in a highly motivated group of people, 3E offers a unique opportunity to further develop yourself in a company/team with an ambitious growth plan, delivering innovative services. You will work in Cape Town's city centre, in an office with wonderful views of Table Mountain.

Furthermore:

  • Salary in line with your level of experience.
  • Salary package: laptop, medical aid allowance, phone allowance, 18 leave days (24 after 1 year of service), 13th month (end of year bonus).
  • Flexible working /Home office.
  • An international environment: projects in over 100 countries worldwide, colleagues of more than 37 nationalities.

Apply now

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About the role

August 27, 2026

August 28, 2026

Full time

Flexible

Company

Solar Energy, Wind Energy

3E

3e.eu

  •  Cape Town, South Africa

Minimum of 5 years in renewable energy

UTC+02:00