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88,000+ live jobsOil & Gas Process Engineer
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 detailed 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 oil treatment technologies 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 Oil&Gas, petrochemical, or oil treatment projects to expand one of our teams in Cartagena, Murcia.
What you'll do
- Process engineering in industrial process plants. FEED and Detailed Engineering experience.
- Development of mass and energy balances, PFDs, P&IDs, process specifications, and multidisciplinary coordination.
- Preliminary detailed engineering.
- Development of process engineering for new treatment, transformation, and recovery units for used oils.
- Participation in FEED and Detailed Engineering phases, ensuring compliance with technical criteria and project design bases.
- Preparation and review of mass and energy balances, process flow diagrams (PFD), piping and instrumentation diagrams (P&ID), and utility diagrams.
- Development of process calculations, preliminary equipment sizing, and definition of operating conditions.
- Preparation of data sheets and technical specifications for process equipment, including pumps, heat exchangers, vessels, tanks, and other associated equipment.
- Preparation and review of equipment, line, instrument, and utility consumption lists.
- Definition of design conditions, operating parameters, and safety requirements for process units.
- Participation in HAZID and HAZOP studies and process safety reviews, following up on resulting actions.
- Technical coordination with piping, mechanical, instrumentation, electrical, and civil engineering disciplines.
- Review of technical documentation from suppliers and support in technical bid evaluations.
- Identification and resolution of technical interferences between process units and auxiliary systems.
- Technical quality assurance of deliverables and compliance with applicable standards.
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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