Dr Ing Over D.-Senior Project Manager/Construction Manager
Check rate
Experience
Pipeline Construction Manager
ILF
ETL 180 - Construction of 90 Km gas pipeline between Hamburg and Bremen. Supervision of welding, pipe lowering, coating, bending work and pressure testing. Quality assurance. Steel pipe with a diameter of 1,4 m and a wall thickness of 21mm.
Senior Quality Manager
Denys GmbH
- Responsible for quality assurance (QA/QC), as-built documentation and audit planning
- Coordination of inspections of open-cut and trenchless construction works (HDD, Microtunneling)
- Quality control of HDPE pipe welding, conducting quality tests, pigging, pipe calibration and leak testing (pipe diameter 50–500 mm)
- Ensuring the highest safety, environmental and quality standards
Senior Project Manager
Dorsch GmbH
- Detailed design of the hydraulic system for distributing treated wastewater from 22 wastewater treatment plants in 22 cities
- Design of storage pressure tanks (up to 200 m³/d), pumps (up to 2 m³/s, 10 bar) and water transmission pipelines (up to 100 km)
- Design of SCADA and MEICA systems
- Inspection of existing wastewater treatment plants and preparation of feasibility studies
- Tender process, leadership of an international design team (Qatar, Egypt, UAE) and management of subcontractors
- Coordination with stakeholders
Interim Head of Structural Water Engineering
AFRY Deutschland
- Planning and execution of dike rehabilitation, dike construction and flood protection projects
- Water supply and wastewater disposal, drainage planning and water protection
- Technical and disciplinary leadership of project teams
- Business acquisition, controlling and personnel management
Senior Construction Supervisor
DMT GmbH
- Construction supervision of stormwater sewers and retention basins at Sheik Shakhbout Medical Center
- Expansion of stormwater drainage systems for the site and buildings
- Documentation and specification control as well as review of detailed design drawings
- Budget and schedule control
- QA/QC, supervision of contractors and subcontractors/suppliers
- Technical acceptance of materials and machinery
Project Manager
- Technical project management for the expansion of a mining facility
- Evaluation of the tailings dam condition and review of flood data
- Analysis of dam overtopping, dam failure risk and dam safety elements
Project Manager
- Technical project management for the drainage planning of a mining facility
- Planning of the pumping system for open-pit mine drainage
Project Manager
CES Consulting Engineers Salzgitter GmbH
- Management of EPC projects for the planning and construction of water supply, water treatment and stormwater facilities in six cities
- Application of international standards and coordination of multidisciplinary teams
- Review of detailed design documents, tender management and contract award
- Procurement, document and specification control, and review of shop drawings
- Budget and schedule control, QA/QC and construction supervision
Project Manager
CES Consulting Engineers Salzgitter GmbH
- Technical project management, inspection and condition assessment of two wastewater treatment plants with marine outfall
- Review of maintenance measures
Senior Construction Supervisor
CES Consulting Engineers Salzgitter GmbH
- Construction supervision of a wastewater treatment plant
- Evaluation of construction companies and award of construction packages
- Document and specification control, and review of shop drawings
- Budget and schedule control, QA/QC and technical acceptance of materials and machinery
Project Manager
CES Consulting Engineers Salzgitter GmbH
- Technical project management and feasibility study for a 9 MW hydroelectric power plant
Project Manager
CES Consulting Engineers Salzgitter GmbH
- Review of planning documents and construction supervision of a wastewater treatment plant
- Management of construction companies and awarding of construction packages
- Documentation and specification control as well as review of execution drawings
- Budget and schedule control, QA/QC, and technical acceptance of materials and machinery
Team Leader Offshore Wind Turbine Construction
AREVA WIND und AREVA NP GmbH
- EPC-oriented team leadership for the construction of offshore wind turbines
- Responsible for QA/QC, non-destructive testing, supplier management, and technical acceptance
- Experience in manufacturing and assembly processes for steel components under EPC standards and HSE requirements
Project Manager
AREVA WIND und AREVA NP GmbH
- Technical project management of a turnkey EPC project for radioactive water treatment in Fukushima
- QA/QC, international supplier coordination, factory inspections, and commissioning
- Project control under high safety and quality pressure
Project Manager
AREVA WIND und AREVA NP GmbH
- Technical project management for the expansion of the Atucha nuclear facility
- Review and redesign of piping and auxiliary systems
- Quality control of documentation and materials, non-destructive testing, factory inspections, supplier qualification, and technical acceptance
Project Manager
AREVA WIND und AREVA NP GmbH
- Project management and coordination of the manufacture of steel control valves for the OL3 nuclear facility in Olkiluoto
- Quality management (QA/QC), design review and documentation review
- Planning and execution of factory inspections, as well as coordination with suppliers and customers
Project Manager
CES Consulting Engineers Salzgitter GmbH
- Planning of urban water supply systems and pumping systems
- Hydraulic design of a 30 km long water transmission pipeline (DN 600) and water hammer calculations
Construction Supervisor
CES Consulting Engineers Salzgitter GmbH
- Construction supervision of a well field (72 production and 19 monitoring wells) and a 251 km transmission pipeline (197 km GFK, 54 km steel pipe, DN 2000, PN 10–25)
- Review of execution documents, tender management and contract award
- Procurement, documentation and specification control, review of execution drawings
- Budget and schedule control, QA/QC and technical acceptance of materials and machinery
Project Manager
CES Consulting Engineers Salzgitter GmbH
- Project management for Programme II for the rehabilitation of pumping systems
- Evaluation and review of detailed design, training and construction supervision for rehabilitation and expansion projects involving water supply and drainage systems
- Documentation and specification control, review of execution drawings
- Budget and schedule control, QA/QC and technical acceptance of materials and machinery
Project Manager
CES Consulting Engineers Salzgitter GmbH
- Design review of the mechanical equipment of a sewer system and wastewater treatment plant in Pazardjik
- Supervision of tests during completion, pre-commissioning, commissioning and the testing phase
Project Manager
CES Consulting Engineers Salzgitter GmbH
- Consulting and peer review for the rehabilitation of 33 wastewater pumping stations in Constanta
- Review of the detailed design
Project Manager
PKW Planungs und Konstruktionsbüro Wolfsburg GmbH
- Project management for R&D infrastructure projects at Volkswagen to improve series production
- Planning and construction supervision of conveyor systems for bodies, doors and seats, as well as steel platforms and ventilation systems
- Simulation of production lines, procurement, documentation, QA/QC, supplier qualification and management, tendering and acceptance
Project Manager
Hidrotec
- Hydraulic planning of the lagoon regulation system (Apata-Tranca) to increase the water volume in the Mantaro Basin
- Planning of the expansion of the Mantaro power plant: Pelton turbines, intake structures, sand traps, forebay reservoirs and penstocks
Researcher
TU Braunschweig Institut für Wasserbau
- Research on river sediment transport, riprap revetments, scour, erosion and sediment transport
Project Engineer
Electroperu
- Technical project coordination and supervision of hydraulic model tests to optimize the water intake, sand traps and diversion tunnels of the Cañon del Pato and Carhuaquero power plants
- In-situ measurements to estimate bed load, suspended load and total sediment transport in the Santa River and in the treatment facilities
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Construction, Energy, Utilities, Education, Automotive, and Manufacturing.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Project Management, Quality Assurance, Procurement, Research and Development, Supply Chain Management, and Operations.
Summary
Dr.-Ing. Over Díaz is an experienced project manager and specialized construction and mechanical engineer with over 25 years of international experience in the successful implementation of large-scale projects in industrial plant construction, especially in the energy, water and environmental sectors. His strengths include managing complex EPC projects (Engineering, Procurement, Construction), quality and risk management, and leading interdisciplinary teams worldwide.
Experienced project manager in industrial plant construction, specializing in EPC projects in the fields of water, energy, environment, infrastructure and pipeline construction. Over 25 years of international experience in the successful planning, management and implementation of complex large-scale projects, including major facilities such as hydropower plants, wastewater treatment plants, offshore wind farms, nuclear energy facilities, as well as extensive pipeline construction projects for water, wastewater and energy transport. Specialized in coordinating all project phases – from concept development and procurement through construction and commissioning.
Skills
Project Management In Industrial And Energy Facilities
International Project Management In 19 Countries
Project Management According To Pmi And Scrum
Construction Supervision, Qa/Qc, Factory Acceptance Tests, Iso-Compliant Audits
Pipeline, Plant And Utility Engineering
Management Of Budgets, Schedules And Subcontractors
Technical Project Management
Technical And Disciplinary Leadership Of Teams
Quality Management (Qa/Qc)
Budget And Schedule Control
Supplier Management
International Projects In 19 Countries Worldwide Have Strengthened My Intercultural Skills And My Ability To Work In Complex Environments.
Languages
Education
Tech. Univ. Braunschweig
Dr.-Ing., Hydraulic Engineering · Hydraulic Engineering · Braunschweig, Germany
Univ. Villareal, Lima
M.Sc. Construction Management · Construction Management · Lima, Peru
Univ. San Marcos, Lima
B.Sc. Fluid Mechanics · Fluid Mechanics · Lima, Peru
Certifications & licenses
Welding Inspector
CESOL Spain
Energy Management Systems Auditor (ISO 50001)
scrum.org
scrum.org
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Dr Ing Over is based in Hamburg, Germany.
Dr Ing Over speaks the following languages: Spanish (Native), German (Advanced), English (Advanced), Portuguese (Advanced), French (Elementary).
Dr Ing Over has at least 33 years of experience. During this time, Dr Ing Over has worked in at least 10 different roles and for 11 different companies. The average length of individual experience is 1 year and 4 months. Note that Dr Ing Over may not have shared all experience and actually has more experience.
Based on recent experience, Dr Ing Over would be well-suited for roles such as: Pipeline Construction Manager, Senior Quality Manager, Senior Project Manager.
Dr Ing Over's most recent position is Pipeline Construction Manager at ILF.
In recent years, Dr Ing Over has worked for ILF, Denys GmbH, Dorsch GmbH, AFRY Deutschland, and DMT GmbH.
Dr Ing Over is most experienced in industries like Construction, Energy, and Utilities. Dr Ing Over also has some experience in Education, Automotive, and Manufacturing.
Dr Ing Over is most experienced in business areas like Project Management, Quality Assurance, and Procurement. Dr Ing Over also has some experience in Research and Development, Supply Chain Management, and Operations.
Dr Ing Over has recently worked in industries like Construction, Energy, and Utilities.
Dr Ing Over has recently worked in business areas like Project Management, Quality Assurance, and Procurement.
Dr Ing Over holds a Doctorate in Hydraulic Engineering from Tech. Univ. Braunschweig, a Master in Construction Management from Univ. Villareal, Lima and a Bachelor in Fluid Mechanics from Univ. San Marcos, Lima.
Dr Ing Over has 4 certificates. Among them, these include: Welding Inspector, Energy Management Systems Auditor (ISO 50001), and Psm I (SCRUM MASTER).
Dr Ing Over is immediately available full-time for suitable projects.
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Average rates for similar positions
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Calculated based on our freelancers’ daily rates as of 27 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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