Winfried Lieberenz
Project and Construction Manager
Experience
Project and Construction Manager
Freelance Work
- Establishing and monitoring a schedule in the form of a bar chart
- Keeping a construction log, including time records for each trade
- Coordinating and supervising the specialist companies involved in the construction
- Checking measurements together with the executing companies
- Determining costs according to the applicable calculation rules or DIN 276 and reviewing invoices
- Monitoring, including detailed corrections
- Applying for official building acceptance and personally attending the official inspection
- Overseeing defects found before and during acceptance, including listing the limitation periods for construction defects
- Controlling costs using data from the scope of services and monitoring the executing construction companies by comparing estimates and contract prices
- Setting up, updating, and monitoring detailed cost, time, and capacity plans
- Obtaining expert reports
- Compiling and submitting all documents for the building authority
Head of Maintenance Department
WEST Pharmaceutical Services Germany
- Responsible for four areas: Electrical, metalworking shop, toolmaking, stamping operations
- Technical and personnel responsibility for 49 employees
- ISO 50001, GMP, lean production
- Ensuring energy supply (electricity, gas, compressed air)
- Controlling and managing maintenance, VEFK
- Responsible for cleanroom technology
- Project manager for repairs and new construction measures
- Business analysis
- Further development of maintenance staff (TPM)
TGA Site Manager
Bilfinger Bonn
- Technical and personnel responsibility for 18 employees
- Controlling and managing maintenance
- Supervising construction execution of renovation measures
- Project development and implementation to adjust service offerings
TGA Site Manager
Wisag Bremen
- Technical and personnel responsibility for 16 employees
- Controlling and managing maintenance
- Supervising construction execution of renovation measures
- Business analysis
- Realigning the department to a changed market situation
- Project development and implementation to adjust service offerings
Department Head (Head of I&C Oberhausen-Zurich-Berlin Turbo & GT)
MAN Diesel & Turbo Oberhausen
- Technical and personnel responsibility for 28 employees (instrumentation and control engineers)
- Developing and implementing a strategy for the instrumentation and control business (I&C)
- Business analysis
- Project development and implementation to adjust service offerings and process definitions
- Achieving cost reductions across all three locations
Head of Department Electrical and Utility Engineering, Control Systems and Process Automation, Communication Technology
Forschungszentrum Jülich
- Responsible for technical and personnel matters for 93 employees and 3 plant managers
- Head of technical and structural building management for the properties
- Management of department projects: new telecom infrastructure, new hazard management, renewable energy sources, energy concepts, smart power supply, plant security concept
- Responsible for all electrical power supply
- Responsible for energy supply contracts for the coming years
Workshop Manager for Process Control Technology (PCT) and Control Valves
EC erdölchemie GmbH (Ineos Köln GmbH)
- Workshop manager for process control technology and control valves, with responsibility for 92 employees
- Responsible for budget and cost centers
- Significantly improved employee know-how
- Successfully established a competence center
- Successfully implemented the CE conformity process for switchgear construction and control panels (manufacturer of electrotechnical products and control components)
- Jointly responsible for supervising apprentices
- Defined operating instructions, manuals, process instructions, and requirements and functional specs
- Authorized person according to Industrial Safety Regulation §14.6, recognized by the Cologne regulatory authority
- Explosion protection expert
- Audits: ISO 9001, WHG §19
- Responsible for performing overhaul work on petrochemical plants
- Member of various working groups: standards committee, responsible electrical specialist, recognized qualified persons, standardization
Responsible for Setting Up and Maintaining Individual Plant Networks
EC erdölchemie GmbH (Ineos Köln GmbH)
- Responsible for setting up and maintaining individual plant networks
Data Center
EC erdölchemie GmbH (Ineos Köln GmbH)
- Set up a commercial LAN
Skilled Worker (Telecom Operator) in Underground Operations
Zeche Sophia Jacoba Hückelhoven
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Chemical (21.5 years), Manufacturing (7.5 years), Pharmaceutical (7 years), Construction (5 years), Metals and Mining (5 years), and Professional Services (3.5 years).
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Operations (29.5 years), Project Management (16.5 years), Quality Assurance (13.5 years), Information Technology (9 years), Procurement (3.5 years), and Business Intelligence (0.5 years).
Skills
Head Of Department With Many Years Of Technical And Leadership Experience In The Business Segment, Focusing On Energy Supply, Energy Management, Plant Engineering, Equipment Safety Regulations (Betrsichv), And Predictive Maintenance (Industry 4.0)
Control And Oversight Of Technical And Construction Services In Plant Management
Ensuring Gmp-compliant And Regulation-compliant Maintenance
Goal-oriented, Pragmatic Process Optimization And Control
Planning And Execution Of Overhaul Work In Petrochemical And Pharmaceutical Plants (€5 Million Budget And Up To 950 Employees)
Expansion And Strengthening Of Business Processes
Entrepreneurial, Flexible Team Player With Strong Communication Skills And High Resilience
Maintenance
Atex
Regulations
Laws
Standards
Lean Management Method
Sap R/3
Cafm
Vob
Revision Processes
Vde 0105+1000, 0185-305 Parts 1 To 4
Iso 50001
Atomic Law Procurement
Microsoft Products
Languages
Education
Aachen University of Applied Sciences
Diploma in Engineering · Electrical Engineering, specializing in communications engineering · Aachen, Germany
Erkelenz Technical College
Advanced technical diploma · Technology · Erkelenz, Germany
Alsdorf Vocational School of Technology
Secondary school diploma · Technology · Alsdorf, Germany
Certifications & licenses
Recognized qualified person according to §14.6
Regional Authority Cologne
Profile
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