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Overview

Our client who is a specialist electrical engineering consultancy, focused on data centres and high-voltage infrastructure projects, is looking for an experienced Protection Engineer

The Protection Engineer is responsible for the design, engineering, and configuration of protection systems for medium-voltage and high-voltage substations serving data center and industrial clients in the Scandinavian market.

The role focuses on protection scheme design, relay configuration and settings calculation, protection coordination studies, and support for testing and commissioning of protection systems. The position works closely with the Power Systems Studies Engineer for study inputs and with the Secondary Design Engineer for integration into panel designs and schematics.

The Protection Engineer is a specialist role requiring deep knowledge of numerical protection relays from major vendors (ABB, Siemens, Schneider Electric) and the ability to translate system study results into practical relay settings and protection philosophies.

Key Responsibilities:

Protection Scheme Design

Design protection schemes for HV and MV substations, including main and backup protection.Develop protection philosophies and functional specifications.Ensure protection designs meet grid code, TSO/DSO, and client requirements.Coordinate protection scheme design with data center redundancy and concurrent maintainability requirements.Prepare protection philosophy documentation.

Relay Configuration & Settings

Configure and implement protection relay settings for ABB, Siemens, and Schneider Electric relays.Calculate protection settings based on power system study results.Perform protection coordination at relay level.Programme numerical relays using vendor tools (PCM600, Digsi 5, MiCOM S1).Prepare relay setting documentation and configuration files.

Protection Studies & Analysis

Perform or support protection coordination studies using ETAP and/or DIgSILENT PowerFactory.Support arc flash analysis and short circuit contribution assessment.Specify CT and VT requirements based on protection and metering needs.Analyse protection system performance and identify potential issues.

Testing & Commissioning Support

Support testing and commissioning of protection systems.Prepare protection test plans and procedures.Support Factory Acceptance Testing (FAT) of protection panels.Provide technical support during site commissioning activities.Ensure protection systems are validated before energisation.

Engineering Integration & Documentation

Coordinate with Secondary Design Engineers on protection panel designs and schematics.Collaborate with Power Systems Studies Engineers to ensure consistency between studies and settings.Support SCADA/SAS Engineers with protection relay communication requirements.Prepare and review protection-related engineering documentation.Participate in engineering design reviews..

Required Qualifications and Competencies:

Bachelor or Master's degree in Electrical Engineering.Minimum 5 years of experience in protection engineering.Experience in HV or MV substation protection design.Experience with numerical protection relay configuration and settings calculation.Experience with protection coordination studies.Experience supporting testing and commissioning of protection systems.Experience in data centre or industrial projects is a plus

Technical Skills:

Proficiency with protection relay vendor tools: PCM600 (ABB), Digsi 5 (Siemens), MiCOM S1 (Schneider Electric).Working knowledge of ETAP and/or DIgSILENT PowerFactory for protection coordination studies.Knowledge of protection relay configuration and settings for HV/MV applications.Understanding of CT/VT specification and selection.Proficiency with EPLAN and AutoCAD for protection schematics review.Familiarity with relay test equipment (Omicron, Doble).Knowledge of IEC and IEEE protection standards.Familiarity with Nordic TSO standards is considered an advantage.

Interpersonal & Communication Skills:

Excellent verbal and written communication in English (Portuguese is considered a plus).EU citizenship preferred to facilitate site visits across Scandinavia.Based in Lisbon or Porto, Portugal.Strong analytical and problem-solving capabilities.Strong organisational and multitasking capabilities.Ability to work collaboratively within engineering teams.

ewi is committed to equality in the workplace and is an equal opportunity employer. ewi is acting as an Employment Business in relation to this vacancy.

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Overview

Our client who is a specialist electrical engineering consultancy, focused on data centres and high-voltage infrastructure projects, is looking for an experienced Primary Design Engineer.

The Primary Design Engineer is responsible for the primary electrical design of air-insulated (AIS) and gas-insulated (GIS) high-voltage substations and medium-voltage distribution systems serving data centre and industrial clients in the Scandinavian market.

The role focuses on substation physical layout design, primary equipment arrangement, busbar configuration, clearance management, and the integration of primary equipment within the overall substation design. The position works with PRIMTECH and/or Revit as primary design tools and coordinates closely with civil and structural engineering partners for foundations, buildings, and access requirements.

The Primary Design Engineer ensures that primary designs are technically sound, constructable, and aligned with client requirements, grid connection specifications, and applicable standards. The role also supports equipment interface design between HV/MV primary equipment and the secondary, protection, and automation systems.

Key Responsibilities:

Develop and coordinate AIS, GIS, and MV substation layouts, including equipment arrangements, busbar configurations, clearances, switchgear rooms, and future expansion requirements.Produce primary design deliverables including general arrangements, layouts, sections, elevations, and construction documentation.Ensure compliance with safety, insulation coordination, redundancy, constructability, and project-specific design requirements.Coordinate interfaces between primary plant, GIS equipment, transformers, cable systems, MV distribution, protection, SCADA, and external engineering disciplines.Support specification, sizing, selection, and procurement of primary equipment in line with power system studies and project requirements.Work closely with civil, structural, MEP, procurement, and equipment suppliers to deliver integrated and buildable designs.Participate in design reviews, technical coordination, construction support, and preparation of as-built documentation for project handover.

Required Qualifications and Competencies:

Bachelor's or Master's degree in Electrical Engineering.Minimum 5 years of experience in primary substation design.Experience with AIS and/or GIS substation layout design.Experience with HV equipment arrangement and clearance management.Experience coordinating with civil and structural disciplines.Experience in data center or industrial electrical infrastructure is a plus.Proficiency in PRIMTECH and/or Revit for primary substation design.Proficiency in AutoCAD for engineering drawings.Understanding of HV and MV primary equipment (transformers, switchgear, busbars).Knowledge of insulation coordination and safety clearance requirements.Working knowledge of ETAP for equipment sizing validation.Understanding of data center MV distribution and redundancy architectures.Knowledge of IEC standards for substation design.Familiarity with AIS and GIS substation configurations.Excellent verbal and written communication in English (Portuguese is considered a plus).EU citizenship preferred to facilitate site visits across Scandinavia.Based in Lisbon or Porto, Portugal.Strong organisational and multitasking capabilities.Strong analytical and problem-solving capabilities.Ability to coordinate across multiple engineering disciplines..

ewi is committed to equality in the workplace and is an equal opportunity employer. ewi is acting as an Employment Business in relation to this vacancy.

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