TREYSTA Ingenieure Holding GmbH

Manager

• You support our subsidiaries in efficiently designing operational processes related to project tenders and procurement procedures for engineering services.
• Continuous monitoring of relevant procurement platforms (EU, federal, state, municipality/city, and private).
• Early detection and identification of new business opportunities and proactive reporting of potentials to management.
• Preparation, compilation, and submission of public tenders and prequalification documents, as well as management and coordination of external service providers during the tendering process.
• Maintenance and management of reference databases and standard documents (e.g., forms, declarations, compliance documents).
• Close collaboration with operational and commercial teams to prepare proposal content.
• Ensuring compliance with internal deadlines and coordination with contracting authorities.

Project Manager, Tendering and Procurement Procedures

Recruitment

• Verantwortung über den End-to-End Recruiting-Prozesses mehrerer unserer Tochtergesellschaften, mit Fokus auf komplexen Bauingenieurpositionen.
• Durchführung von Interviews sowie enge Begleitung der Entscheider:innen in unseren Ingenieurbüros.
• Sicherstellung einer herausragenden Candidate Experience und aktiver Beziehungsaufbau zu internen Stakeholdern.
• Active Sourcing für anspruchsvolle Ingenieurpositionen, Überwachung und Optimierung zugehöriger KPIs, systematischer Aufbau von Talentpools sowie kontinuierliche Marktbeobachtung.
• Unterstützung des Head of Talent Acquisition, insbesondere im Stakeholdermanagement und bei der Prozessoptimierung.

Senior Talent Acquisition Manager

Civil Engineer

• Planning and handling projects in the area of drainage and sewer rehabilitation.
• Taking on financial/project responsibility for sewer networks and structures (e.g., pumping stations, stormwater treatment facilities, stormwater retention chambers).
• Performing water-management planning and consulting tasks in urban water management, including hydraulic calculations and general drainage planning (service phases 1–9 according to HOAI).
• Independent project planning from the concept phase through implementation.
• Assessment of structural and hydraulic condition as part of sewer rehabilitation planning.

Civil Engineer / Civil Engineering Technician — Urban Water Management

• Management and coordination of service providers in the area of real estate.
• Participation in contract drafting, e.g., purchase and usage agreements, as well as management and maintenance of land rights.
• Responsibility for interfaces between internal departments and external partners during coordination processes for property-related encumbrances and security measures along the planned route alignment.
• Support in preparing approval/permit documentation under NABEG for linear infrastructure projects.
• Assistance in obtaining access permits for preparatory measures such as geotechnical investigations, surveys/mapping, or archaeological prospections.

Real Estate Project Manager

• Ownership of the end-to-end recruiting process for several of our subsidiaries, with a focus on complex construction engineering positions.
• Conduct interviews and closely support decision-makers in our engineering offices.
• Ensure an outstanding candidate experience and actively build relationships with internal stakeholders.
• Active sourcing for demanding engineering roles, monitoring and optimizing relevant KPIs, systematic talent-pool building, and continuous market monitoring.
• Support the Head of Talent Acquisition, particularly in stakeholder management and process optimization.

Senior Talent Acquisition Manager – m/f/d

• Support our subsidiaries in designing efficient operational processes for project tenders and procurement procedures.
• Continuously monitor relevant procurement platforms (EU, federal, state, municipal/city, and private).
• Early identification of new business opportunities and proactive reporting of potential leads to management.
• Prepare, compile, and submit public tenders and pre-qualification documents, and manage and coordinate external service providers during the tendering process.
• Maintain and manage reference databases and standard documents (e.g., forms, declarations, compliance documents).
• Work closely with operational and commercial teams to develop bid content.
• Ensure adherence to internal deadlines and coordinate with clients.

Tender Manager – Engineering Services (m/f/d)

• Verantwortung für Kanalsanierungsprojekte von der Planung bis zur Umsetzung in den Leistungsphasen 1–9 der HOAI.
• Auswertung von Kanalinspektionen.
• Bewertung des baulichen und hydraulischen Zustands sowie Festlegung der Sanierungsabschnitte, geeigneter Sanierungsmaßnahmen und Prioritäten.
• Ausschreibung, Vergabe und Überwachung der Sanierungsmaßnahmen.
• Abstimmung mit Auftraggebern, Behörden, Nachunternehmen sowie weiteren Projektbeteiligten.

Bauingenieur, Bautechniker Kanalsanierung

• Planning, design and supervision of projects.
• Ensuring compliance with quality standards and regulatory requirements.
• Collaboration with an interdisciplinary team of specialists.
• Developing solutions for the sustainable management of water resources.
• Managing sewer network projects — from new construction to sustainable maintenance measures.
• Preparing flood risk assessments for external areas of residential and commercial projects and ensuring protection and climate adaptation.
• Supporting project implementation by preparing tender documents.
• Using specialized software such as Vestra: Kanal, Tandler: Kanal++, STORM and BricsCAD.

Civil Engineer, Stormwater, Drinking Water, Wastewater

• Planning, design and supervision of projects.
• Ensuring compliance with quality standards and regulatory requirements.
• Collaboration with an interdisciplinary team of professionals.

Civil Engineer, Stormwater, Potable Water, Wastewater

• Planung und Bearbeitung von Projekten im Bereich Entwässerung und Kanalsanierung
• Übernahme der wirtschaftlichen Projektverantwortung für Kanalnetze und Bauwerke (z. B. Pumpwerke, Regenwasserbehandlungsanlagen, Regenrückhalteräume)
• Durchführung wasserwirtschaftlicher Planungs- und Beratungsaufgaben in der Siedlungswasserwirtschaft, inkl. hydraulischer Berechnungen und genereller Entwässerungsplanung (LPH 1–9 nach HOAI)
• Selbstständige Projektplanung von der Konzeptphase bis zur Umsetzung

Bauingenieur oder Bautechniker – Siedlungswasserwirtschaft

• Technical and economic project responsibility for projects of all sizes in the area of networks (sewers, drinking water pipelines) and special structures (e.g., pumping stations, stormwater treatment, stormwater retention basins)
• Water management planning and consulting tasks for general drainage planning
• Independent planning of projects
• Working independently and presenting results internally as well as to clients

Civil Engineer – Urban Water Management

• Planning, design and supervision of projects.
• Ensuring compliance with quality standards and regulatory requirements.
• Collaboration with an interdisciplinary team of specialists.
• Developing solutions for the sustainable management of water resources.
• Managing sewer network projects — from new construction to sustainable maintenance measures.
• Preparation of flood assessments for outdoor areas of residential and commercial projects and ensuring protection and climate adaptation.
• Participation in project implementation through the preparation of tender documents.
• Use of specialized software such as VESTRA: Kanal, Tandler: Kanal++ and BricsCAD.

• Take responsibility for planning and implementing municipal civil engineering projects (traffic infrastructure, water management, water supply, hydraulic engineering).
• Prepare tender documents and coordinate the planning team.
• Serve as point of contact for authorities and clients.
• Supervise construction work and manage technical coordination with internal and external partners.

Civil Engineer, Infrastructure and Road Construction

• Independent project management: planning and execution of municipal civil engineering projects.
• Design and calculations: planning and calculation of sewer networks and combined sewer overflow facilities.
• Sewer rehabilitation planning: creating GIS-supported sewer rehabilitation plans.
• Coordination and presentation: coordinating plans with clients and regulatory authorities.
• Construction supervision and accounting: responsible for tendering, evaluating bids, and overseeing construction.

Civil Engineer – Urban Water Management, m/f/d

• Planning and execution of projects in the areas of drainage and sewer rehabilitation
• Taking economic responsibility for projects involving sewer networks and structures (e.g., pumping stations, stormwater treatment facilities, stormwater retention chambers)
• Carrying out water management planning and consulting tasks in urban water management, including hydraulic calculations and overall drainage planning (service phases LPH 1–9 according to HOAI)
• Independent project planning from concept phase through implementation
• Assessment of structural and hydraulic conditions as part of sewer rehabilitation planning

Civil Engineer or Construction Technician – Urban Water Management

• Manage and coordinate service providers in the area of real estate/property management.
• Contribute to contract drafting, e.g. purchase and usage agreements, and the administration and maintenance of land rights.
• Act as the interface between internal departments and external partners during coordination processes for real security interests/encumbrances along the planned route alignment.
• Support the preparation of approval documentation under NABEG (German Grid Expansion Acceleration Act) for linear infrastructure projects.
• Assist in obtaining right-of-entry permits for preparatory measures such as geotechnical investigations, mapping/surveys, or archaeological prospection.

Project Manager – Real Estate

Financial Planning and Analysis

• Preparation of monthly, quarterly and annual financial statements in accordance with the German Commercial Code (HGB) at group level and execution of monthly consolidation postings.
• Preparation of consolidated reports and management analyses for the leadership team and shareholders.
• Support in the preparation for external audits.
• Further development and automation of consolidation and reporting processes.
• Point of contact for tax advisors, auditors and internal stakeholders.
• Independent management of finance projects (e.g., digitization, process optimization).

Senior Associate Finance

Affiliate Manager

• Coordination and scheduling of measurement teams for utility surveys in the field
• Coordination with project managers, site supervisors and external partners from utilities, municipal utilities and construction companies
• Surveying and documentation of utility lines (gas, water, electricity, district heating) in accordance with the scope of services
• Execution and evaluation of engineering and construction surveys for above- and below-ground construction projects as well as GIS applications
• Processing, calculation and visualization of survey data (e.g., using Trimble Access and Caplan)
• Participation in utility route planning including permit applications (crossing permits) and preparation of route and as-built plans

Surveying Engineer – m/f/d

• Preparation of quotes, invoices and reports, as well as monitoring of time tracking in the Abacus ERP system.
• Follow-up on outstanding receivables and support in dunning procedures.
• Maintenance, documentation and analysis of project data as part of project controlling, and responsibility for commercial reporting.
• Management and updating of master data and administration of contracts for engineering services.
• Support of the department management in daily operations – both administratively and organizationally.

Commercial Specialist – Engineering Firm

• Surveying and documentation of utility lines for various providers and municipal utilities (gas, water, electricity, district heating).
• Processing and calculation of survey data (using Trimble Access and Caplan).
• Creation and development of route and as-built plans.
• Participation in planning and utility construction projects.

Project Manager, Tendering and Procurement Procedures

Senior Talent Acquisition Manager

Civil Engineer / Civil Engineering Technician — Urban Water Management

Real Estate Project Manager

Senior Talent Acquisition Manager – m/f/d

Tender Manager – Engineering Services (m/f/d)

Bauingenieur, Bautechniker Kanalsanierung

Civil Engineer, Stormwater, Drinking Water, Wastewater

Civil Engineer, Stormwater, Potable Water, Wastewater

Bauingenieur oder Bautechniker – Siedlungswasserwirtschaft

Civil Engineer – Urban Water Management

Civil Engineer, Stormwater, Drinking Water, Wastewater

Civil Engineer, Infrastructure and Road Construction

Civil Engineer – Urban Water Management, m/f/d

Civil Engineer or Construction Technician – Urban Water Management

Project Manager – Real Estate

Senior Associate Finance

Surveying Engineer – m/f/d

Commercial Specialist – Engineering Firm

Surveying Technician – Geomatics Specialist