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Maximilian GrünenthalMG

Maximilian Grünenthal

Technical Managing Director & Construction Manager

€1,400/day
Landau in der Pfalz, DE
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Maximilian

Construction Manager & Technical Managing Director for Civil Engineering, Structural Engineering, and Earthworks

Are you looking for a master-qualified, leadership-experienced personality for demanding major projects, strategic restructurings, or operational construction site interventions? I combine in-depth technical expertise as a master craftsman in bricklaying and concrete construction with stringent commercial C-level management and full P&L responsibility for multi-million euro budgets (up to €7 million p.a.).

My operational & commercial added value for your project:

Successful Construction Management in Civil and Structural Engineering: Many years of experience in the operational, on-time execution of complex structural and civil engineering projects. Proven success in the turnkey realization of special constructions, logistics infrastructures, and demanding large-scale earthworks projects while adhering to the strictest quality specifications.

Seamless Documentation & Construction Supervision: Consistent control, capacity planning, and quality supervision on-site. Through legally compliant daily construction log documentation according to VOB/B, I precisely secure all construction services and create the basis for successful claim management.

Procurement & Subcontractor Awarding: Strategic management and supervision of overall procurement, as well as structuring of tenders and targeted negotiation of subcontractor services to sustainably maximize your project margins.

Commercial Controlling: Conception and successful implementation of detailed cost center systems for precise, project-related post-calculations and comprehensive budget monitoring.

Material Flow & Landfill Management: Legally compliant handling of mineral residual materials, precise declaration checks, and comprehensive proof of compliance with LAGA and the new Replacement Construction Materials Ordinance (EBV).

I offer you absolute discretion, entrepreneurial foresight, and 100% readiness for deployment nationwide on-site. Let us lead your project to success together!
  • German

    Native or bilingual

  • English

    Basic

Can work on-site
Landau in der Pfalz (up to 50km)

Experience

  • Mittelständische Unternehmensgruppe der Rohstoffgewinnung & Deponiewirtschaft
    Interim Manager / Technical Managing Director & M&A Consultant
    RAW MATERIALS INDUSTRY
    September 2021 - November 2025 (4 years and 2 months)
    Landau in der Pfalz, Germany
    Interim overall management (COO/Technical Managing Director) & M&A Consulting

    Responsibility for the operational, construction technology, and commercial management of the entire corporate group, including all subsidiaries. Full P&L responsibility for an annual revenue volume of approx. €7 million, as well as disciplinary personnel management and deployment planning of 22 employees.

    Core competencies & measurable successes in this mandate:

    M&A Transaction Success at Investor Level: Leading operational preparation and full strategic support of the successful overall sale of the corporate group. Independent execution of sales and contract negotiations directly at the investor and shareholder level.

    Commercial Controlling & Transparency: Conception and successful implementation of a detailed cost center system. This ensures precise, project-related post-calculations and a significant increase in transparency of operational margins.

    Strategic Procurement & Cost Reduction: Management and supervision of the entire central procurement (operating materials, service providers, heavy equipment). Establishment of comprehensive purchasing control for sustainable minimization of operational overhead costs.

    Excavation Planning & Resource Optimization: Strategic and operational realignment of excavation activities in quarrying and extraction operations to ensure long-term supply and optimal deposit utilization.

    Fleet Management: Introduction of a permanent monitoring system for the entire machinery and vehicle fleet for highly efficient resource allocation and reduction of downtime.

    Process Optimization: Holistic analysis and restructuring of all administrative and operational processes in production, construction logistics, and administration for sustainable efficiency improvement.
    Management Operations Management Negotiation Management Negotiation Skills Strategic Planning
  • Mittelständisches Tief- und Erdbauunternehmen
    Lead Construction Manager / Project Manager – New Construction of Hazardous Material Warehouse & Transshipment Area
    CIVIL ENGINEERING
    March 2019 - February 2020 (11 months)
    Grünstadt, Germany
    Lead Construction Manager / Project Manager – New Construction of Hazardous Material Warehouse & Transshipment Area

    Independent operational, technical, and commercial project execution of a highly specialized logistics and warehouse complex for sensitive hazardous materials. Management of all trades on-site with a clear focus on adherence to schedule, budget compliance, and compliance with the strictest quality and safety standards in industrial infrastructure construction.

    Core tasks & milestones in this project:

    Turnkey Construction Management: Leading operational construction management for the turnkey construction of a modern, technically sophisticated hazardous material warehouse. Successful realization of a large-scale, extremely high-load-bearing container transshipment area in monolithic concrete construction.

    Special Civil Engineering & Drainage Infrastructure: Technical detailed planning and comprehensive operational supervision of complex infrastructure drainage systems. Implementation of specialized separation and emergency systems for the absolutely safe separation and drainage of surface water under strict hazardous material conditions.

    Authority Management & Compliance: Independent coordination, consultation, and implementation of all complex environmental, water (WHG), and building law authority requirements. Ensuring comprehensive documentation to guarantee the final operational safety of the entire facility.

    Subcontractor & Interface Management: Targeted management and coordination of all involved subcontractors, specialist engineers, and testing engineers to avoid downtime and ensure optimal resource utilization.
    Construction Management Civil Engineering Structural Engineering Drainage Planning Schedule Planning
  • Mittelständisches Bauunternehmen
    Interim Operations Manager / Senior Construction Manager – Heavy Civil Engineering, Earthworks & Structural Engineering
    CIVIL ENGINEERING
    July 2016 - September 2021 (5 years and 2 months)
    Grünstadt, Germany
    Interim Operations Manager / Senior Construction Manager – Heavy Civil Engineering, Earthworks & Structural Engineering

    Technical management, comprehensive construction supervision, VOB-compliant documentation, and profit-oriented commercial control of all regional and supra-regional major projects. Full responsibility for operational work preparation, complex bid calculations, resource allocation, and heavy equipment dispatch for demanding infrastructure measures.

    Core tasks & measurable successes in this mandate:

    Strong Leadership in Construction Management & Documentation: Responsible operational construction management, capacity planning, and comprehensive quality supervision on-site. Through legally compliant daily construction log documentation according to VOB/B, all construction services rendered were precisely secured.

    Subcontractor Awarding & Strategic Procurement: Leading management of tenders, structuring complex service catalogs, and negotiating subcontractor services and material procurement to achieve optimal project margins.

    Successful Claim Management: Strategic management and highly professional negotiation of claims based on comprehensive documentation in structural and civil engineering to actively secure and increase project success.

    Leadership & Capacity Planning: Disciplinary leadership and forward-looking deployment planning of trade employees on demanding infrastructure measures with strict enforcement of quality and occupational safety standards.

    Environmental Compliance & Material Flow: Professional supervision and management of material flow-compliant utilization and disposal of mineral waste in accordance with current LAGA guidelines.
    Operations Management Construction Management Civil Engineering

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Education

  • Master Craftsman Examination in Bricklaying and Concrete Construction Trade
    Chamber of Crafts of the Palatinate & Chamber of Crafts of Rheinhessen
    2019
    Meisterprüfung im Maurer- und Betonbauerhandwerk
  • Apprenticeship as a Bricklayer
    Medium-Sized Construction Company
    2013
    Berufsausbildung zum Maurer

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