Major industrial projects & engineering
Shaping the industrial world of tomorrow
Here at Ortec, the Major Industrial Projects & Engineering division supports major industry stakeholders in their transformations. Both in France and around the world, our experts work on complex projects in cutting-edge fields: energy, nuclear, infrastructure, and the environment. Explore a wide range of technical and strategic roles that address major industrial challenges.
Our technical and scientific expertise
As the historic backbone of the Ortec Group, our Engineering Division applies multidisciplinary expertise throughout the entire lifecycle of industrial projects. From design to maintenance, including R&D and quality control, our technicians and engineers oversee all projects to ensure the performance, innovation, and reliability of facilities.
Construction, civil engineering
Designing and protecting the industrial infrastructure of tomorrow
Specialists in the Civil Engineering Division assess technical feasibility, create 3D structural models, and oversee fieldwork. They design structures capable of withstanding environmental, seismic, and thermal stresses. They ensure that structures comply with environmental and operational requirements.
Key responsibilities:
- Digital modeling (BIM), strength calculations for materials
- Concrete structures
- Structural frames, monitoring of work progress
- Coordination of trades at the construction site
Process engineering
Optimizing and modeling equipment performance
As the driving force behind industrial performance, process engineers design and size the internal architecture of facilities. They model chemical and physical transformations and design fluid systems to maximize efficiency while reducing energy consumption and the environmental footprint.
Key responsibilities:
- Drafting of process diagrams (PID/PFD)
- Material and energy assessments
- Numerical flow simulation
- Equipment sizing (pumps, reactors, heat exchangers)
- Participation in commissioning tests
Ingénieur études conception de circuits fluides H/F - 13
- CDI
- Marseille 8e Arrondissement, Provence-Alpes-Côte d'Azur
Maintenance engineering
Ensuring the reliability of critical equipment and extending its service life.
Maintenance engineering experts define the maintenance strategy for plants and power stations. They design preventive maintenance plans, analyze repeated breakdowns and prepare for heavy-duty operations to prevent any unexpected shutdown in production.
Key responsibilities:
- Development of maintenance work procedures, equipment criticality analysis
- Identification of strategic spare parts
- Optimization of the CMMS
- Technical support for maintenance teams
Ingénieur(e) Sûreté de Fonctionnement - Dominante Mécanique / Ferroviaire
- CDI
- Bagneux, Île-de-France
Préparateur Installation Générale junior H/F - 13
- CDI
- Martigues, Provence-Alpes-Côte d'Azur
Sustainable mobility, renewable energy
Supporting decarbonization and the development of future networks.
As key players in decarbonization, our engineers adapt industrial infrastructure to meet the challenges of the energy transition. They develop projects involving green hydrogen, photovoltaics, electric vehicle charging networks, and alternative fuels to support the industries of the future.
Key responsibilities:
- Studies on the integration of renewable energy systems
- Sizing of charging and distribution infrastructure
- Life-cycle analyses, Engineering of clean transport networks
Responsable Adaptation Climatique & Résilience H/F
- CDI
- Aix-en-Provence, Provence-Alpes-Côte d'Azur
Responsable Énergie, Décarbonation & Performance Environnementale (H/F)
- CDI
- Aix-en-Provence, Provence-Alpes-Côte d'Azur
Responsable Activité Économie Circulaire & Transformation des Modèles H/F
- CDI
- Aix-en-Provence, Provence-Alpes-Côte d'Azur
Innovation, R&D, tooling prototypes
Designing custom solutions and developing cutting-edge technologies.
When off-the-shelf solutions no longer suffice, our R&D division designs custom equipment. From specialized lifting equipment to inspection robots for harsh environments, these teams create, build, and test prototypes.
Key responsibilities:
- Mechanical design, finite element analysis
- Rapid prototyping, testing
- Qualification testing before deployment
Welding, QA/QC, inspection
Ensuring the integrity, safety and compliance of our work.
With a focus on the requirements of the nuclear, aerospace, and petrochemical industries, our quality and inspection teams scrutinize every centimeter of weld and every pressure vessel to eliminate any risk of failure.
Key responsibilities:
- Drafting welding procedures
- Performing non-destructive testing
- Monitoring workshop manufacturing
- Conducting regulatory compliance audits
Ingénieur IWE suivi fabrication matériels mécaniques
- CDI
- Saint-Denis, Île-de-France
Tuyauteur Nucléaire Expérimenté H/F - GD et/ou Atelier localisé à Pierrelatte
- CDI
- Laudun-l'Ardoise, Occitanie
Management, performance and risk management
Beyond technical expertise, the success of major industrial projects depends on professionals skilled in project management, risk management, and organizational leadership. These roles ensure that contractual commitments, safety standards, deadlines, and budgets are met.
Project management
Coordinating and overseeing industrial projects.
The project manager acts as the conductor of the operation. They serve as the point of contact between the customer, design engineers, procurement specialists, and operational teams. They ensure that the schedule is maintained, finances are under control, and the safety of all staff is guaranteed.
Key responsibilities:
- Developing the master schedule
- Managing customer relationships
- Overseeing project profitability
- Managing project teams
- Monitoring performance indicators
Chef de projet HVAC H/F
- CDI
- Marseille 8e Arrondissement, Provence-Alpes-Côte d'Azur
Branch management
Leading a branch, supporting teams, and growing the business.
Branch managers, who operate at the crossroads of management, sales, and strategy, oversee all commercial, financial, and human resources activities within their scope.
Key responsibilities:
- Local development strategy
- Profitability management
- Team leadership
- Ensuring compliance with QHSE policies
- Managing relationships with major regional accounts.
Chargé de Mission Direction Générale H/F
- CDI
- Aix-en-Provence, Provence-Alpes-Côte d'Azur
Ergonomics of organizational and human factors
Making human performance and safety the centerpiece of systems.
In industrial settings, our ergonomists anticipate operational risks, analyze human factors, and optimize working conditions to design safer and more efficient work environments.
Key responsibilities:
- Operational analysis
- Ergonomic assessments
- Workstation organization
- Prevention of psychosocial risks,
- Change management
Ingénieur Facteur Organisationnel et Humain confirmé (FEOH) H/F
- CDI
- Lyon, Auvergne-Rhône-Alpes
Safety, risk management, operational dependability, ILS
Anticipating failures and strengthening the resilience of facilities.
In high-risk sectors (nuclear, defense, chemicals), our engineers model potential breakdowns right from the design phase to develop fail-safe safety barriers and plan for the supply of parts over decades.
Key responsibilities:
- Conducting studies, drafting safety reports, modeling
- Developing logistics support plans
Document drafting and management (EDM)
Organizing, securing, and ensuring the reliability of technical data.
A major industrial project generates tens of thousands of drawings, reports, and procedures. Document management experts ensure complete traceability of information and provide reliable data to field teams.
Key responsibilities:
- Administration of EDM tools
- Verification of the technical document approval process
- Compliance checks on deliverables
- Regulatory archiving.
[ORALYS]Consultant Senior Gestion de Configuration & Documentation H/F
- CDI
- Fontenay-sous-Bois, Île-de-France
Boost your expertise
Join our teams working on high-added-value technical projects for major industry stakeholders around the world.
Whether you’re an engineer, technician, or expert, the Ortec Group gives you the opportunity to develop your skills in the most demanding industrial environments and build a career path tailored to your ambitions.
FAQ
A resume is required to apply for a position at Ortec. A cover letter is optional but can help us better understand your career goals.
At Ortec, we recruit both women and men with a variety of backgrounds: technicians, engineers, site managers, operators, HSE experts, project managers, and support staff. Whether you’re looking for a technician position, an engineering career, or a work-study opportunity, you’ll find job openings that match your interests.
Ortec is hiring in a wide range of fields: industrial maintenance, engineering, construction, environmental services, nuclear, energy, logistics, HSE, support functions, and project management. Learn More.
Absolutely. If there are currently no job openings that match your profile, you can submit an unsolicited application so that we can consider you for future opportunities.
Joining the Group gives you access to dynamic ongoing training, personalized support, and real opportunities for internal mobility—whether geographic or across job functions. In addition, you’ll enjoy the employee benefits of a large corporation committed to the well-being of its teams, including, notably, a group health insurance plan. To ensure these programs and additional benefits are as closely aligned as possible with the realities on the ground, they are tailored to each subsidiary.
Yes. To help employees settle in and get their careers off to a good start, the Ortec Group offers specialized support to all employees through the Action Logement program. This provides access to practical assistance with finding housing, securing a security deposit, or financing the security deposit.