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88,000+ live jobsOil & Gas Process Engineer (utilities)
On-site in Cartagena·Added today (last checked 3 Nov)
358 open roles
Our summary
- Work mode
- On-site, Cartagena
- English
- Required
- Experience
- 8+ years
- Education
- University degree
- Driving licence
- Own vehicle
- Benefits
- Private health insurance, flexible pay plan






Visa options
The ad doesn’t mention sponsorship
Not a refusal, but not a yes. Worth asking in your first message.
Skills
This job advert was originally written in Spanish.
Requirements
What we're looking for
- University degree in Chemical Engineering or similar.
- 8 to 15 years of experience in process engineering for industrial plants, preferably in the oil & gas, refining, petrochemical, or oil treatment sectors.
- Demonstrable experience in FEED and/or detail engineering projects.
- Proficiency in PFD, P&ID, mass and energy balances, process specifications, and equipment sizing.
- Knowledge of international regulations and standards applicable to industrial facilities.
- Ability to coordinate with multidisciplinary teams.
- English B1-B2, with the ability to interpret and prepare technical documentation.
- OWN VEHICLE REQUIRED
Nice to have
Valuable requirements
- Previous experience in Repsol projects.
- Participation in Greenfield projects involving refineries, biofuels, recycling, or used oil recovery.
- Proficiency in Aspen HYSYS, Aspen Plus, or other process simulation tools.
- Experience in HAZOP studies and process safety.
- Knowledge of technologies for the treatment of oils and renewable fuels.
Pay & benefits
What you'll get
- Health insurance
- Training opportunities: Languages, Certifications, Bootcamps, and much more
- Flexible compensation (restaurant, transportation, childcare)
- Incentives for validating or referring talent
You will be part of a company experiencing strong growth both nationally and internationally, made up of more than 1000 specialists. We take care of our team through initiatives and work-life balance programs, and we will offer you a wide range of challenges aligned with your goals.
The role
At BETWEEN Technology, we continue to grow and expand our team, betting on the best talent. In our Facilities Engineering division, we get involved in a wide variety of cutting-edge projects, collaborating with the most innovative clients in the Petrochemical, Chemical, Energy, Pharmaceutical, Food, Construction, and Civil Works sectors.
We are looking for a Process Engineer with experience in the utilities area for Oil&Gas, petrochemical, or oil treatment projects to expand one of our teams in Cartagena, Murcia.
What you'll do
- Industrial process and utilities engineering.
- Design and optimization of OSBL systems, utilities, and integration with ISBL.
- Preliminary detail engineering for a used oil plant.
- Development of process engineering and auxiliary services for OSBL (Outside Battery Limits) facilities of a new industrial plant for the treatment and recovery of used oils.
- Design, calculation, and optimization of utilities systems and industrial services necessary for the operation of ISBL units.
- Definition and sizing of industrial water, cooling water, demineralized water, steam, condensate, compressed air, instrument air, and nitrogen networks, according to project requirements.
- Development of utilities consumption and distribution balances, identifying operational demands and necessary capacities.
- Preparation and review of PFD, P&ID, data sheets, technical specifications, and engineering documentation for auxiliary systems.
- Conceptual design and definition of storage, transfer, and distribution systems for industrial fluids.
- Participation in the definition of water treatment facilities, industrial effluents, and drainage systems.
- Development of hydraulic calculations, pressure drops, and sizing of piping, pumps, and auxiliary equipment.
- Definition of interfaces between ISBL units and OSBL systems, ensuring the integration of the different plant areas.
- Coordination with mechanical, piping, electrical, instrumentation, and civil engineering for the development of auxiliary facilities.
- Review of technical documentation from equipment suppliers and utilities package providers.
- Participation in design reviews, HAZOP studies, and operability and maintainability analyses.
How you'll work
PROJECT: 12-14 MONTHS (possibility of relocation to other projects upon completion)
About BETWEEN Technology
BETWEEN Technology is an IT and engineering consulting firm based in Sant Cugat del Vallès, Spain, specializing in industrial engineering, automation, robotics, and digital transformation. The company provides technical consulting and staffing solutions across sectors such as automotive, pharma, energy, aerospace, and infrastructure, with a strong focus on engineering projects, industrial maintenance, and software development. With around 50 open roles in Spain, it supports clients in both technical and managerial capacities, from CAD design and PLC programming to data engineering and AI.
- Industry
- IT and Engineering Consulting
- Employees
- 1,000
- Headquarters
- Sant Cugat del Vallès, Spain
- In Spain
- Sant Cugat del Vallès, Barcelona, Madrid and 4 more
Good to know if you are moving
- The company is headquartered in Sant Cugat del Vallès, near Barcelona, a major tech and industrial hub in Spain.
- Open roles span multiple locations across Spain, including Madrid, Barcelona, Gijón, Sevilla, and Tarragona, offering flexibility for relocation.
- Many positions require Spanish language skills, but some roles, especially in engineering and IT, may be open to international candidates with strong technical backgrounds.
- The company works on projects in sectors like automotive, pharma, energy, and aerospace, providing opportunities to work on complex industrial systems.
- Some roles involve travel or on-site work, which may be relevant for candidates interested in field engineering positions.
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