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EIA21 Tech Stack

Engineering services for industrial plants, infrastructure, and energy projects

Mechanical Or Industrial Engineering Erandio, Bizkaia 51–200 employees Founded 1979 Privately Held

EIA21 is a mid-sized engineering firm (51–200 employees) serving oil & gas, energy, petrochemical, and water treatment sectors across Spain and Portugal. The tech stack reveals a traditional heavy-industry profile: AVEVA PDMS, AutoCAD, SAP, Revit, HYSYS, and project-management tools like Primavera P6 and Microsoft Project—all standard in capital-project delivery. Active projects span hydroelectric repowering, hydrogen production, plant commissioning, and large-scale construction, while hiring remains engineering-heavy (120 of 161 roles) with emphasis on mid-to-senior-level talent, matching the complexity of their client work.

Tech Stack 26 technologies

Core StackAutoCAD Revit SAP Primavera P6 AWS AVEVA PDMS SAP2000 HYSYS AVEVA ETAP AutoCAD Plant 3D Microstation Navisworks AVEVA Diagrams Maximo Microsoft Office Microsoft Project Excel MicroStation EPLAN Oracle Primavera Word PDMS Robot Structural Analysis Presto IDEA StatiCa

What EIA21 Is Building

◆Challenges

Ensuring safety compliance
Repowering hydroelectric plants
Reducing workplace accidents
Cost and schedule control
Resource availability
Plant shutdown scheduling
Material management during shutdown
Managing construction schedule deviations
Reducing cost overruns
Managing shutdown operations

▲Active Projects

Hydroelectric plant repowering project
Renewable hydrogen production via electrolysis
Plant commissioning
Plant shutdown project in estarreja
Client scaffolding project in tarragona
Client shutdown instrumentation supervision
Carranza civil construction project
48-month client project in cádiz
Metal recycling plant construction
Biometano project

Hiring Activity

Decelerating160 roles · 40 in 30d

Department

Engineering

120

Construction

21

Ops

11

Healthcare

1

Maintenance

1

Manufacturing

1

Operations

1

Quality

1

Seniority

Mid

75

Senior

67

Junior

6

Director

5

Manager

3

Intern

1

Lead

1

Notable leadership hires: Director Facultativo, Project Director

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About EIA21

EIA21, founded in 1979, delivers engineering solutions to large industrial clients in continuous-process sectors—oil & gas, energy, petrochemical, water treatment, and infrastructure. The firm operates from Erandio (Spain) with additional offices abroad, fielding multidisciplinary teams across mechanical engineering, piping, structural analysis, electrical systems, civil works, instrumentation, and control. Recent project portfolio includes hydroelectric plant repowering, renewable hydrogen production via electrolysis, plant commissioning and shutdowns, and major construction work in Spain and Portugal. Pain points center on safety compliance, cost and schedule control, resource allocation during execution, and managing deviations on large, multi-year engagements.

HeadquartersErandio, Bizkaia

Company Size51–200 employees

Founded1979

Hiring MarketsPortugal, Spain

Frequently Asked Questions

What software does EIA21 use for engineering design?

AVEVA PDMS, AutoCAD, Revit, HYSYS, SAP2000, and Navisworks for design and 3D modeling; SAP and Primavera P6 for project management and enterprise systems.

What types of projects is EIA21 currently working on?

Hydroelectric plant repowering, renewable hydrogen production, plant commissioning and shutdowns, metal recycling plant construction, and large civil works projects in Spain and Portugal.