otimo

About the Company

otimo est une société de conseil en ingénierie spécialisée dans les secteurs de l'Énergie, l'Environnement et les Infrastructures. Fondée par des ingénieurs passionnés, nous sommes convaincus que la réussite de nos projets passe par l’épanouissement de nos collaborateurs. Avec plus de 150 collaborateurs répartis entre nos agences de Paris, Lyon, Nantes et Toulouse, nous mettons au cœur de notre démarche des valeurs qui nous guident au quotidien : l’audace de saisir les opportunités, l’excellence dans l’exécution, l’éthique pour garder un cap responsable et l’engagement pour des projets porteurs de sens. Nous croyons aussi que la diversité et la curiosité sont des moteurs qui nous poussent à toujours améliorer nos pratiques. Engagement : Nous sommes fiers de mener des projets d’ingénierie de pointe, tout en minimisant notre impact environnemental. Carrière : Nos consultants évoluent dans un environnement stimulant, avec des missions enrichissantes et des parcours sur mesure. Expertise : Dans chaque projet, que ce soit dans l’industrie, l’énergie ou l’environnement, nous apportons des solutions durables et efficaces à nos clients. Rejoignez-nous, devenez otimiste et construisons ensemble un avenir plus responsable !

Listed Jobs

Company Name

otimo

Job Title

Ingénieur Travaux H/F

Job Description

Job title: Construction Engineer Role Summary: Responsible for planning, coordinating, and supervising construction projects in the building or civil works sectors, ensuring compliance with technical specifications, schedules, budgets, and quality standards. Acts as the main liaison on site under the guidance of a project manager. Expectations: Graduate of an engineering school or equivalent, with at least one year of significant experience or internship in project execution, construction management, or related fields (e.g., MOEX, DET). Key Responsibilities: - Draft technical and administrative documentation required for project execution. - Organize and coordinate field teams, supported by site supervisors. - Monitor financial performance, maintain detailed cost tracking. - Ensure adherence to project planning, budget, and quality requirements; manage contractor performance. - Participate in final inspection and handover of completed works. - Support transition to potential roles in project management or site direction. Required Skills: - Strong understanding of construction processes and project delivery. - Project coordination and team leadership. - Financial tracking and budget management. - Proficiency in planning and scheduling tools. - Effective communication with contractors, stakeholders, and site personnel. - Problem‑solving and decision‑making under time pressure. Required Education & Certifications: - Bachelor’s degree in Civil Engineering, Construction Engineering, or related discipline. - Equivalent professional training accepted. - Valid certification or experience in construction management is a plus.

Île-de-france, France

On site

28-11-2025

Company Name

otimo

Job Title

Ingénieur process/mise en service H/F

Job Description

**Job Title**: Process Engineer / Commissioning Engineer (M/F) **Role Summary**: Design, analyze, and optimize industrial processes for energy and industrial sectors (Oil & Gas, LNG, biomass, heat networks, water treatment, nuclear, food, pharma, chemicals, cosmetics). Apply thermodynamic, mass‑balance, and pressure calculations, simulate processes, size equipment, prepare technical documentation, and participate in safety reviews. **Expectations**: Within 2‑3 years, progress to Technical Lead or Project Engineer role. **Key Responsibilities**: - Perform mass, energy, and pressure balances for process streams. - Conduct process simulations using industry software (e.g., Aspen, HYSYS). - Size equipment such as pumps, columns, heat exchangers, reactors, and select instrumentation. - Draft equipment datasheets and instrument lists. - Prepare and annotate P&IDs and Process Flow Diagrams. - Participate actively in HAZOP and HAZID safety reviews. **Required Skills**: - Process simulation and modeling. - Thermodynamic and kinetic calculations. - Equipment sizing and selection. - Preparation of P&IDs, PFDs, datasheets, and instrument lists. - Understanding of HAZOP/HAZID methodology. - Strong analytical and problem‑solving abilities. - Effective written and verbal communication. - Ability to work cross‑functionally in multidisciplinary teams. **Required Education & Certifications**: - Bachelor or Master in Chemical/Process Engineering (equivalent to French engineering school degrees such as ENSIACET, UTC, ENSIC, ENSGTI). - Familiarity with industry safety standards (e.g., ISO 9001, ISO 14001, NFPA).

Alençon, France

On site

28-01-2026

Company Name

otimo

Job Title

Ingénieur Procédés H/F

Job Description

**Job Title:** Process Engineer **Role Summary:** Conduct process engineering for energy and industrial sectors (Oil & Gas, LNG, biomass, heat networks, water treatment, nuclear, agro‑food, pharma, chemicals, cosmetics). Deliver mass, energy, and pressure balances; simulate processes; size equipment; author datasheets and instrumentation lists; prepare P&ID/PFD drawings; participate in HAZOP/HAZID reviews. Aim for technical leadership or project management within 2‑3 years. **Expectations:** - Generate accurate process balances and simulations. - Design and size pumps, columns, heat exchangers, reactors, etc. - Create comprehensive equipment datasheets and instrumentation inventories. - Draft and critique P&ID and PFD diagrams. - Engage in safety reviews (HAZOP/HAZID). - Progress to a senior or project‑lead role in 2‑3 years. **Key Responsibilities:** - Perform material and energy balances. - Execute process simulations. - Size key equipment (pumps, columns, exchangers, reactors). - Draft equipment datasheets and instrument lists. - Prepare and review P&ID and PFD schematics. - Participate in HAZOP/HAZID sessions. **Required Skills:** - Proficient with process simulation tools (e.g., Aspen HYSYS, CHEMCAD, Fluent). - Strong analytical abilities in mass, energy, and pressure balances. - Knowledge of separation units, reactors, heat exchangers, and pumps. - Skilled in drafting P&ID/PFD using AutoCAD, Visio, or equivalent. - Excellent communication, teamwork, and safety orientation. - Adaptability across multiple industry sectors. **Required Education & Certifications:** - Bachelor’s or Master’s degree in Chemical Engineering or related engineering discipline. - Preferably from ENSIACET, UTC, ENSIC, ENSGTI, or an equivalent institution. - Valid engineering license or equivalent certification. - 1+ year of relevant process engineering experience or internship.

Île-de-france, France

On site

03-02-2026