Impact instead of average results - Shape the future of sustainable real estate with us.

Welcome

Greenstone is an independent transaction and asset management company with a clear focus on transforming residential properties with high renovation and optimization potential.

As part of our Manage-to-Green strategy , we further develop existing properties—especially apartment buildings—in terms of energy efficiency, economics, and structure, with the aim of achieving sustainable value appreciation over the entire real estate lifecycle.

We assume full operational responsibility: from acquisition to strategic and operational implementation to exit. Greenstone works closely with investors, financing partners, and operational service providers.

To further expand our portfolio, we are looking for a: Hands-on asset managerwho takes responsibility, builds structures, and helps shape our asset management "from the ground up." Your areas of responsibility

Asset Management & Portfolio Responsibility

• Independent management of a growing residential real estate portfolio (multi-family houses)
  

• Establishment and further development of asset management structures, processes, and standards (greenfield role, no existing setup)
  

• Control and continuous monitoring of all strategic and operational measures throughout the entire life cycle of the property
  

Acquisition & Strategy

• Active involvement right from the purchasing stage: development of property and portfolio strategies (economic, technical, ESG)
  

• Evaluation of business plans, profitability calculations, and energy efficiency measures
  

• Close coordination with transaction, financing, and external advisors
  

Operational implementation

• Creation and implementation of business plans, including budget, CAPEX, and action management
  

• Management of external partners (property management, technical management, project management, consultants)
  

• Ensuring that targets are met in terms of costs, time, quality, and ESG objectives
  

• Active risk management and solving operational challenges during ongoing operations
  

Reporting & Governance

• Establishment of structured reporting for investors and internal stakeholders

• Monitoring of financing covenants and bank reporting

• Preparation of decision-making bases, budgets, and KPI overviews

Your skills and qualifications

• Exclusive or clear experience in the residential real estate sector, focus on multi-family homes
  

• Several years of practical experience in asset management of residential real estate
  

• Management large-volume portfolios (from individual properties to several hundred units)
  

• Hands-on asset management: operationally experienced, not purely strategic or theoretical
  

• Experience in building structures, processes, and standards "at scale"
  

• Very good practical understanding of operational challenges in:
  

  • Operations & Administration
    

  • Technology & Maintenance
    

  • Commercial management
    
    

• Fluent German language skills and English language skills for investors with international capital

• Excellent knowledge of Excel and MS Office, structured and analytical approach to work
  

Nice-to-haves

• Purchasing experience or very good understanding of transaction processes
  

• Initial ESG experience (especially energy measures, funding logic, reporting)
  

• Strong communication skills with investors, banks, and service providers
  

• Mentor mindset and enjoyment of knowledge transfer

• Initial management or technical control responsibility is an advantage
  

• Digital affinity / interest in PropTech solutions
  

Why we

• Highly personal, appreciative working environment with direct access to management
  

• High level of personal responsibility and genuine creative freedom (building a "one-man show")
  

• Fair salary and long-term development prospects
  

• 30 days of vacation+ December 24 and December 31 always off

• BVG ticket

• EUR 1,500 training budget 
  

• Urban Sports Club membership

Welcome We are a fast-growing company specializing in energy-efficient refurbishment and sustainable real estate solutions. Our dynamic team of experts develops innovative residential and commercial projects to the highest ecological standards. We are passionate about reducing CO₂ emissions and developing future-oriented strategies to create sustainable living spaces. In doing so, we ensure that our clients' properties are sustainable, economically viable and value-enhancing. We offer end-to-end solutions for energy-efficient upgrades, green subsidies and financing as well as comprehensive ESG management. Your areas of responsibility

• Independent planning and implementation of energy-efficient refurbishment concepts for existing buildings
• Complete completion of all service phases (KG 300) from the creation of refurbishment concepts, design and approval planning to participation in the awarding of contracts
• Comprehensive advice on sustainable building materials, insulation concepts and building technology
• Coordination with specialist planners and consultation with authorities
• Support in applying for subsidies and energy certificates
• Further development of internal processes for sustainable and energy-efficient construction

Your skills and qualifications

• Completed studies in architecture/civil engineering (Dipl.-Ing., M. Sc. or comparable)
• 5+ years of professional experience in the planning of ideally energy-efficient refurbishments
• Sound knowledge of HOAI service phases 1-7 (focus: preparatory planning)
• License as an architect (registration with the Chamber of Architects) is an advantage
• Experience in using CAD software and tendering programs e.g. Nova AVA
• Confident handling of GEG, EnEV, DIN 18599 as well as basic knowledge in the areas of KfW and BAFA funding programs is an advantage
• Structured and independent way of working as well as high problem-solving skills
• Fluent written and spoken German.

Why we

• Become part of one of the fastest growing ClimateTech start-ups in Europe.
• Backed by leading US and EU investors, we are shaping the future of the sustainable construction and real estate industry.
• Modern HQ in the west of Berlin: optimal logistical connections.
• Hybrid working model with flexible working hours.
• 30 vacation days plus one additional day per year and time off on December 24 and 31.
• We reward recommendations for our open roles with an appreciative referral program.
• After the probationary period: up to five days of training leave per year with a budget of 1,500 euros.
• BVG ticket for local public transport.
• Membership of the Urban Sports Club.
• Join us in shaping decarbonization instead of collaborating.

Welcome We are a rapidly growing company specializing in energy-efficient renovation and sustainable real estate solutions. Our dynamic team of experts develops innovative residential and commercial projects that meet the highest environmental standards. We are passionate about reducing CO₂ emissions and develop forward-looking strategies to create sustainable living spaces. In doing so, we ensure that our clients' properties are sustainable, economically viable, and add value. We offer end-to-end solutions for energy-efficient upgrades, green subsidies and financing, and comprehensive ESG management. Your areas of responsibility

• Developing and implementing a holistic recruiting strategy to fill key roles (tech, ESG, construction, operations, business support) as part of our ambitious growth plans

• Establishment, maintenance, and further development of a scalable talent pipeline and active sourcing process, including the use of modern recruiting tools (e.g., ATS, social recruiting, talent communities)

• Collaboration with hiring managers and executives: consulting, needs analysis, role profiling, interview and selection process, employer branding

• Responsibility for candidate experience, onboarding coordination, and further development of recruiting and preboarding processes in close coordination with People & Culture and Operations

• Reporting and KPI tracking: Analysis and control of recruiting performance (time-to-hire, quality-of-hire, funnel metrics, etc.)

Your skills and qualifications

• Several years of experience in recruiting or talent acquisition—ideally with a focus on tech, ESG, or construction/real estate

• Practical experience with active sourcing, employer branding, interviewing, and stakeholder management at the executive level

• Confident use of recruiting tools and ATS (Personio), very good knowledge of MS Office and recruiting software

• Strong communication skills, confident manner, fluent in German and good English

• Structured, independent working style, high level of responsibility and passion for sustainability issues and innovative organizational models

Why we

• Become part of one of Europe's fastest-growing ClimateTech startups with a clear mission: to drive decarbonization in the building sector.

• Attractive working environment: modern HQ in Berlin, hybrid working models, commitment to innovation, sustainability, and flat hierarchies.

• A period of growth with big plans — your work will have a decisive impact on our team, our culture, and our future.

Your profile
You are enthusiastic about ClimateTech and want to use your recruiting skills to make a decisive contribution to the growth and quality of our team. You know the requirements for high-impact roles, understand stakeholders, processes, and culture, and have a feel for how to build good teams—then you've come to the right place.

Welcome We are a rapidly growing company specializing in energy-efficient renovation and sustainable real estate solutions. Our dynamic team of experts develops innovative residential and commercial projects that meet the highest environmental standards. We are passionate about reducing CO₂ emissions and develop forward-looking strategies to create sustainable living spaces. In doing so, we ensure that our clients' properties are sustainable, economically viable, and add value. We offer end-to-end solutions for energy-efficient upgrades, green subsidies and financing, and comprehensive ESG management.

Your role

As an HR & Talent Acquisition Partner, you combine operational recruiting with generalist HR work. You support managers, build teams, and at the same time ensure stable HR processes throughout the employee lifecycle. A role for go-getters who are equally skilled in recruiting and HR.

Your areas of responsibility

Talent Acquisition (50%)

• Management of the entire recruiting process from intake to offer

• Active sourcing for key roles (tech, ESG, operations, business)

• Sparring partner for hiring managers, including conducting interviews and decision-making

• Ensuring an excellent candidate experience

HR Generalist (50%)

• Support for employees and managers in operational HR matters

• Contract management, onboarding/offboarding, HR administration

• Collaboration with payroll, tax advisors, and external partners

• Further development of pragmatic HR processes and standards

Your skills and qualifications

• Several years of experience in recruiting and in a generalist HR role

• Very good knowledge of German labor law and recruiting best practices

• Structured, hands-on approach to work in fast-growing environments

• Confident stakeholder management, clear communication

• Very good German, good English

Why we

• Work for one of Europe's fastest-growing ClimateTech companies with a clear mission

• Scope for creativity during a crucial growth phase — your work has a direct impact on the organization and culture

• Modern office in Berlin, hybrid working models, and short decision-making processes

• Close collaboration with an ambitious, interdisciplinary team from tech, ESG, construction, and operations

What sets you apart

You enjoy working in a structured manner, are service-oriented, and can keep track of many parallel issues. At the same time, you want to not only implement HR and TA operations, but also actively develop them further—pragmatically, professionally, and with a view to sustainable growth.

In short

Do you want to build teams and set up HR properly? Do you like responsibility, pace, and clear ownership? Then this role is a great fit for you.

Welcome Purpose Green is one of Germany's leading ClimateTech companies with the clear goal of completely decarbonizing the building sector. Through our Green+ portal, we combine ESG and energy consulting, technical planning, and operational construction management—digitally, data-driven, and scalable.
Our clients are institutional and private property owners, funds, property management companies, family offices, and portfolio holders. We support individual properties as well as large-volume portfolios, creating ecological impact while simultaneously increasing economic value.

To further professionalize our operational business, we are looking for a Outstanding leadership personality for the position Head of Construction (m/f/d).
In this key role, you are responsible for the Technical, economic and organizational excellence of all construction and renovation projects and lead our construction team to the next level of scaling.

Your areas of responsibility You take over the Overall responsibility for planning, control and implementation of our energy-efficient refurbishment projects in existing buildings - from strategic project structuring to operational quality control.
You ensure that all projects meet the highest technical, economic and organizational standards - and lead your team through expertise, precision and example.

• Overall responsibility for Construction & Project Management
  Management, control and monitoring of all construction and refurbishment projects in the portfolio (residential, commercial and office properties) in compliance with quality, costs, deadlines and ESG specifications.
• Leadership & organization
  Professional leadership of an interdisciplinary team of civil engineers and architects, as well as close cooperation with our TGA planners and energy efficiency experts. Expansion of the organizational structure, establishment of clear responsibilities, coaching and further development of the team.
• Process and quality management
  Development and implementation of standardized processes, procedures and control mechanisms for planning, construction supervision, documentation and invoicing. Ensuring technical and regulatory conformity (HOAI, AHO, VOB, construction contract law).
• Operational management & project excellence
  Active support for projects in all phases - from basic evaluation (LP1) to construction and site supervision (LP8). Quality assurance through structured site inspections, technical inspections and supplementary management.
• Interface management & external partner management
  Management of general contractors, specialist planners and subcontractors as well as close coordination with owners, authorities and internal specialist departments.
• Energy refurbishment & sustainability: Responsibility for the technical implementation of refurbishment measures in accordance with ESG, energy efficiency and subsidy standards.
• Use of modern digital tools and systems (e.g. BIM, project platforms, data models, AI-supported analyses) to increase efficiency, documentation and success monitoring.
• Development of strategic recommendations for action, resource planning, and prioritization of business measures to scale the Construction division.

Your skills and qualifications

• At least 10 years of professional experience in construction management or project management, with a proven track record in the energy-efficient refurbishment of existing buildings.
• Successful overall responsibility for the technical, economic and organizational implementation of complex portfolio and refurbishment projects - with a demonstrable impact on energy efficiency, quality and value development.
• Knowledge of HOAI, AHO and VOB, including contract management, tendering and supplementary processing.
• Leadership experience in teams consisting of project managers/engineers; ability to develop high-performance, autonomous teams.
• Technical understanding of building construction, TGA, building physics, energy efficiency, subsidy management and ESG-compliant refurbishment.
• Management skills in dealing with construction companies, owners, specialist planners, authorities and investors.
• You manage projects based on data and KPIs, work independently and use digital project management tools, BIM systems and modern data and automation solutions with confidence.
• German at a business fluent level and good English 

Why we

• Become part of one of the fastest growing ClimateTech start-ups in Europe.
• Backed by leading US and EU investors, we are shaping the future of the sustainable construction and real estate industry.
• Modern HQ in the west of Berlin: optimal logistical connections.
• Hybrid working model with flexible working hours.
• 30 vacation days plus one additional day per year and time off on December 24 and 31.
• We reward recommendations for our open roles with an appreciative referral program.
• After the probationary period: up to five days of training leave per year with a budget of 1,500 euros.
• BVG ticket for local public transport.
• Membership of the Urban Sports Club.
• Join us in shaping decarbonization instead of collaborating.

Welcome We are a fast-growing company specializing in energy-efficient refurbishment and sustainable real estate solutions. Our dynamic team of experts develops innovative residential and commercial projects to the highest ecological standards. We are passionate about reducing CO₂ emissions and developing future-oriented strategies to create sustainable living spaces. In doing so, we ensure that our clients' properties are sustainable, economically viable and value-enhancing. We offer end-to-end solutions for energy-efficient upgrades, green subsidies and financing as well as comprehensive ESG management. Your areas of responsibility

• Independent planning and implementation of KG 400 trades in work phases 1-7
• Complete completion of all service phases (KG 400) from the creation of refurbishment concepts, design and approval planning to participation in the awarding of contracts
• Client advice on technical building services
• Carrying out quality controls and acceptances
• Coordination with specialist planners and consultation with authorities
• Documentation and reporting of projects

Your skills and qualifications

• Successfully completed studies in technical building equipment (TGA), supply engineering, electrical engineering, building services engineering, building climate control, energy technology or comparable qualification (e.g. master craftsman/technician)
• 5+ years of professional experience in the planning, implementation or maintenance of TGA systems
• Sound knowledge of heating, ventilation, air conditioning, sanitary engineering, possibly electrical engineering
• Sound knowledge of HOAI service phases 1-7
• Experience in using CAD software and tendering programs
• Basic knowledge of the relevant regulations and legal requirements as well as confident handling of VOB, HOAI and optionally AHO
• Structured and independent way of working as well as high problem-solving skills
• Fluent written and spoken German.

Why we

• Become part of one of the fastest growing ClimateTech start-ups in Europe.
• Backed by leading US and EU investors, we are shaping the future of the sustainable construction and real estate industry.
• Modern HQ in the west of Berlin: optimal logistical connections.
• Hybrid working model with flexible working hours.
• 30 vacation days plus one additional day per year and time off on December 24 and 31.
• We reward recommendations for our open roles with an appreciative referral program.
• After the probationary period: up to five days of training leave per year with a budget of 1,500 euros.
• BVG ticket for local public transport.
• Membership of the Urban Sports Club.
• Join us in shaping decarbonization instead of collaborating.

Welcome We are a fast-growing company specializing in energy-efficient refurbishment and sustainable real estate solutions. Our dynamic team of experts develops innovative residential and commercial projects to the highest ecological standards. We are passionate about reducing CO₂ emissions and developing future-oriented strategies to create sustainable living spaces. In doing so, we ensure that our clients' properties are sustainable, economically viable and value-enhancing. We offer end-to-end solutions for energy-efficient upgrades, green subsidies and financing as well as comprehensive ESG management. Your areas of responsibility

• Responsibility for budget planning, forecasts and annual planning in close cooperation with the specialist departments
• Carrying out target/actual comparisons, variance analyses and scenario calculations
• Preparation of monthly investor and management reporting with a focus on KPIs, business performance and strategic recommendations
• Creation and further development of sales and cash flow forecasts as a basis for management decisions
• Profitability analyses for investment projects (e.g. CAPEX)
• Participation in strategic initiatives such as cost optimization, growth planning or process improvement

Your skills and qualifications

• Completed studies in business administration, finance, controlling or a comparable course of study
• At least 4 years of professional experience in FP&A, Controlling or Financial Business Partnering
• Strong analytical skills paired with a keen understanding of business models and business contexts
• Confident with Excel, Google Sheets and ideally BI tools
• Strong communication skills, ability to work in a team and high self-motivation
• Business fluent in German, good knowledge of English

Nice to have

• Experience in the creation of financial models is a strong advantage
• Treasury experience

Why we

• Become part of one of the fastest growing ClimateTech start-ups in Europe.
• Backed by leading US and EU investors, we are shaping the future of the sustainable construction and real estate industry.
• Modern HQ in the west of Berlin: optimal logistical connections.
• Hybrid working model with flexible working hours.
• 30 vacation days plus one additional day per year and time off on December 24 and 31.
• We reward recommendations for our open roles with an appreciative referral program.
• After the probationary period: up to five days of training leave per year with a budget of 1,500 euros.
• BVG ticket for local public transport.
• Membership of the Urban Sports Club.
• Join us in shaping decarbonization instead of collaborating.