I AM A FARMER / LIVESTOCK PRODUCER

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OPEN POSITIONS

  • SENIOR PROCESS ENGINEER – BIOMETHANE

POSITION (TECDES25)

  • Location: Madrid · On-site/hybrid
  • Immediate start

At IAM Carbonzero we develop, build and operate biomethane plants through anaerobic digestion, also valorising the digestate into “organic amendments” and “biofertilisers”. We are looking to add to our Engineering and Process team, in Madrid, a Senior Process Engineer.

Your mission:
Lead the technical design of our biomethane plants, defining robust production processes adapted to each project, including the treatment and valorisation of digestate.

Your tasks:

  • Design and validate anaerobic digestion processes according to the input feedstock and the environment of each plant.
  • Define the treatment and valorisation processes for digestate (solid and liquid fractions) oriented towards the production of biofertilisers and organic amendments.
  • Supervision of basic and detailed engineering in collaboration with technology suppliers and contractors.
  • Control the technical quality of project documentation.
  • Provide senior technical judgement to the Engineering and Process team.

Profile:
We are looking for someone with solid experience in process engineering in biogas, biomethane or similar industrial plants. The following will be valued:

  • 🌱 Knowledge of digestate valorisation and organic/organo-mineral fertilisers.
  • 🧪 Degree in Chemical, Industrial Engineering or similar.
  • 💬 Ability to liaise with contractors and technology suppliers.

#Biomethane #RenewableEnergy #ProcessEngineering #GreenJobs #AnaerobicDigestion

Your main responsibilities will be:
  • Opportunity identification
  • Identify strategic locations for new biomethane plants.
  • Assess access, energy infrastructure and proximity to organic resources.
  • Technical and economic feasibility analysis
  • Assess the types and volumes of available waste.
  • Support the design of initial financial models.
  • Engagement with key stakeholders
  • Negotiate with landowners and local stakeholders.
  • Establish agreements with biomass suppliers (farms, industries, etc.).
  • Liaise with local authorities and communities.
  • Technical coordination
  • Oversee technical studies and preliminary designs with engineering firms and consultancies.
  • Ensure regulatory compliance from the early design stages.
  • Support with permitting and financing
  • Prepare technical and administrative documentation for permits.
  • Support access to public funding programmes (PERTE, NextGen, etc.).
  • Support through the "Ready to Build" stage
  • Coordinate the delivery of documentation and the conditions required to start construction.

Profile requirements:

  • Bachelor’s/Master’s degree in Engineering (Agricultural, Chemical, Industrial, Forestry), Biology or similar.
  • At least 5–7 years’ experience in business development or project management in the energy or environmental sector.
  • Knowledge of Spain’s renewable energy regulatory framework.
  • Experience in investment analysis and project permitting.
  • Strong ability to liaise with public and private entities and local communities.
What we offer:
  • The opportunity to take part in projects with high environmental and social impact.
  • A multidisciplinary team and an innovative environment.
  • Professional development in a rapidly expanding sector.
  • Competitive conditions and location flexibility.
  • JUNIOR PROCESS ENGINEER

POSITION (TECDES25)

  • Location: Madrid · On-site/hybrid
  • Immediate start

At IAM Carbonzero we develop, build and operate biomethane plants through anaerobic digestion, also valorising the digestate into organic amendments and biofertilisers. We are looking to add to our Engineering and Process team, in Madrid, a Junior Process Engineer eager to grow in the biomethane sector.

Your mission:
Support the technical design of our biomethane plants and the definition of their production processes, including the valorisation of digestate.

Your Tasks:

  • Collaborate in the design and validation of anaerobic digestion processes.
  • Support the definition of digestate treatment and valorisation processes oriented towards organic fertilisers.
  • Support the preparation and review of basic and detailed engineering.
  • Provide support in coordination with technology suppliers and contractors.
  • Contribute to quality control of technical project documentation.

Profile:

  • 🧪 Degree in Chemical, Industrial Engineering or similar.
  • ♾️ Interest in renewable energy and the circular economy; experience or internships in biogas/biomethane valued.
  • 🔍 Willingness to learn and grow within a specialised technical team.

What we offer:

  • The opportunity to take part in projects with high environmental and social impact.
  • A multidisciplinary team and an innovative environment.
  • Professional development in a rapidly expanding sector.
  • Competitive conditions and hybrid working.

#Biomethane #RenewableEnergy #ProcessEngineering #GreenJobs #FirstJob

Your main responsibilities will be:
  • Opportunity identification
  • Identify strategic locations for new biomethane plants.
  • Assess access, energy infrastructure and proximity to organic resources.
  • Technical and economic feasibility analysis
  • Assess the types and volumes of available waste.
  • Support the design of initial financial models.
  • Engagement with key stakeholders
  • Negotiate with landowners and local stakeholders.
  • Establish agreements with biomass suppliers (farms, industries, etc.).
  • Liaise with local authorities and communities.
  • Technical coordination
  • Oversee technical studies and preliminary designs with engineering firms and consultancies.
  • Ensure regulatory compliance from the early design stages.
  • Support with permitting and financing
  • Prepare technical and administrative documentation for permits.
  • Support access to public funding programmes (PERTE, NextGen, etc.).
  • Support through the "Ready to Build" stage
  • Coordinate the delivery of documentation and the conditions required to start construction.

Profile requirements:

  • Bachelor’s/Master’s degree in Engineering (Agricultural, Chemical, Industrial, Forestry), Biology or similar.
  • At least 5–7 years’ experience in business development or project management in the energy or environmental sector.
  • Knowledge of Spain’s renewable energy regulatory framework.
  • Experience in investment analysis and project permitting.
  • Strong ability to liaise with public and private entities and local communities.
What we offer:
  • The opportunity to take part in projects with high environmental and social impact.
  • A multidisciplinary team and an innovative environment.
  • Professional development in a rapidly expanding sector.
  • Competitive conditions and location flexibility.
  • BUSINESS DEVELOPMENT TECHNICIAN – BIOMETHANE (CLOSED)

POSITION (TECDES25)

  • Location: Extremadura (hybrid working possible)
  • Immediate start
Are you passionate about developing sustainable projects? Do you have experience in renewable energy and want to be part of a team leading the energy transition through biomethane? We are looking for someone with strategic vision, technical expertise and strong stakeholder management skills to drive the development of new plants across different regions of Spain.
Your main responsibilities will be:
  • Opportunity identification
  • Identify strategic locations for new biomethane plants.
  • Assess access, energy infrastructure and proximity to organic resources.
  • Technical and economic feasibility analysis
  • Assess the types and volumes of available waste.
  • Support the design of initial financial models.
  • Engagement with key stakeholders
  • Negotiate with landowners and local stakeholders.
  • Establish agreements with biomass suppliers (farms, industries, etc.).
  • Liaise with local authorities and communities.
  • Technical coordination
  • Oversee technical studies and preliminary designs with engineering firms and consultancies.
  • Ensure regulatory compliance from the early design stages.
  • Support with permitting and financing
  • Prepare technical and administrative documentation for permits.
  • Support access to public funding programmes (PERTE, NextGen, etc.).
  • Support through the "Ready to Build" stage
  • Coordinate the delivery of documentation and the conditions required to start construction.

Profile requirements:

  • Bachelor’s/Master’s degree in Engineering (Agricultural, Chemical, Industrial, Forestry), Biology or similar.
  • At least 5–7 years’ experience in business development or project management in the energy or environmental sector.
  • Knowledge of Spain’s renewable energy regulatory framework.
  • Experience in investment analysis and project permitting.
  • Strong ability to liaise with public and private entities and local communities.
What we offer:
  • The opportunity to take part in projects with high environmental and social impact.
  • A multidisciplinary team and an innovative environment.
  • Professional development in a rapidly expanding sector.
  • Competitive conditions and location flexibility.
  • ENVIRONMENTAL PERMITTING SPECIALIST – BIOGAS/BIOMETHANE PROJECTS (CLOSED)

POSITION (TECTRA25)

  • Location: Madrid | On-site / Hybrid (depending on profile)
  • Minimum experience: 3 years
  • Contract type: Permanent

Are you passionate about sustainability and want to be part of the energy transition on the ground? We are looking for an Environmental Technician with proven experience in environmental permitting for renewable projects—especially biomethane plants—and strong ability to liaise with public authorities and local stakeholders.

Your mission

You will provide direct support to the Environmental Director within the Engineering and Construction area, ensuring projects’ environmental compliance and technical liaison with public authorities across different regions of the country.

Main responsibilities
  • Environmental permitting
  • Coordinate and review Environmental Impact Studies (EIA/DIA).
  • Assess and obtain permits: Integrated Environmental Authorisation (AAI), DIA, planning compatibility, use of rural land, etc., energy infrastructure and proximity to organic resources.
  • Monitor compliance with regional, national and European environmental legislation.
  • Document management and sector-specific permits
  • Liaison with River Basin Authorities, ministries, town councils and other entities.
  • Manage authorisations: protected natural areas, water, works, etc.
  • Environmental supervision during construction
  • Coordinate the environmental monitoring plan.
  • Monitor actual impacts on the natural environment.
  • Liaison and advisory
  • Participate in public participation processes and prior consultations.
  • Issue technical reports for the project developer.
  • Liaise with public authorities at all levels.

Profile requirements:

  • University degree in Environmental Sciences, Engineering (Chemical, Agricultural, Forestry, Industrial) or Biology.
  • At least 3 years’ experience in environmental permitting for energy projects.
  • Knowledge of regional, national and European environmental regulations.
  • Strong ability to liaise with public bodies and local stakeholders.
  • Proficiency in tools such as ArcGIS and AutoCAD (a plus).
  • Availability for occasional travel within Spain.
We offer:
  • Be part of a company driving the circular economy and the decarbonisation of the agri-industrial sector.
  • Multidisciplinary teamwork with an innovative approach.
  • Projects with real impact on the territory and the environment.
  • Job stability and professional development in a growing sector.
  • INVESTMENT ANALYST INTERNSHIP (CLOSED)

POSITION (INVESTMENT ANALYST INTERNSHIP)

  • Location: Madrid / Immediate start
  • Contract type: Permanent

We are looking for an intern to support the evaluation, structuring and monitoring of sustainable projects in renewable energy, biogas, biomethane and biofertilisers. You will join a dynamic, multidisciplinary environment, collaborating with technical, financial and impact profiles.

About the company

IAM CarbonZero develops and finances energy transition and circular economy projects, focused on producing biomethane and biofertilisers from agricultural and livestock waste. Our purpose: to decarbonise with sustainable technological solutions that turn waste into clean energy and high value-added products. We combine financial rigour and technical innovation, and we promote partnerships that generate shared value for the environment, investors and local communities.

Our values

  • Professional excellence: the highest technical and financial standards to improve the world.
  • Authentic impact: projects with real, measurable and intentional results.
  • Shared value: collaboration and teamwork as a driver of sustainable transformation.

Key responsibilities

  • Market research: sector analysis, regulatory trends and investment opportunities.
  • Investment analysis and due diligence: assessment of companies and projects, risk analysis and impact metrics.
  • Financial modelling: projections, valuations, scenarios and return/risk analysis.
  • Support in strategy and negotiation: financial materials and participation in meetings with partners and investors.
  • Candidate profile
  • Passion for finance, sustainability and the energy transition.
  • Analytical mindset, eagerness to learn and a drive to excel.
  • Service mindset and teamwork.
  • Strong academic record and currently in the final years of a bachelor’s or master’s degree, preferably at ICADE (E3 Analytics, E2, Business Administration) or ICAI (Industrial Engineering, Energy Engineering or similar), or equivalent programmes with a technical and financial focus.
  • High level of English.
  • Conditions
  • Paid internship, with the possibility of a university agreement.
  • Duration: 6 months, full-time.
  • Start: immediate.
  • Possibility to combine with a bachelor’s/master’s thesis (TFG/TFM) under the supervision of the investment team.

How to apply

Send your CV, cover letter and academic transcript to hablamos@iamcarbonzero.com
Subject: “Application – IAM CarbonZero Investment Analyst Internship”.

If you would like to send us your CV proactively, upload it HERE and we will consider you for future positions.