Subsystem Engineer

Decskill; Lisboa; Híbrido; EUR 55 000 - 75 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

MS Office tools

Resumo da oferta

Decskill is seeking an experienced Subsystem Engineer to join a large-scale railway infrastructure project in a hybrid (60% on-site) model in Oeiras. You will own the design and integration of UPS, power distribution, cabling, and fibre optic subsystems, acting as the technical interface across the project.

Required are a degree in Electrical Engineering, experience in power distribution and fibre optics, and fluency in Portuguese and English.

Qualificações

• University degree in Electrical Engineering or related field.
• Experience in CAD Design (advantage).
• Design and integration of electrical power distribution within industrial/railway projects.
• Sizing UPS, batteries, power conversion equipment, and protection devices.
• Design of low-voltage distribution boards and cabling systems.
• Electrical calculations: load, voltage drop, fault analysis, cable sizing.
• Electrical design documentation: SLDs, schematics, cables, drawings.
• Fibre optic network design: topology, ring design, capacity planning.
• Selecting fibre cables, patch panels, ODFs, connectors, splicing accessories.
• Optical transmission concepts, link budgets, attenuation, resilience.
• Strong organizational, detail-oriented, with good communication and problem-solving.

Responsabilidades

• Formalise specifications and engineering plans for the solution.
• Assemble elements to evaluate design, performance and requirements.
• Ensure readiness for production, testing, installation and support.
• Plan subsystem development within architecture and customer needs.
• Interface across project domain, define interfaces and ensure completeness.
• Optimize work against cost, schedule and risk from design to acceptance.
• Manage technical requirements within your domain.
• Produce technical documents: SRS, Design, Configuration, Installation, Test, O&M, Training.
• Provide expertise during design reviews with teams and customer.
• Contribute to Operations & Maintenance activity definitions.
• Support FAT tests, field tests, and on-site commissioning.
• Assist configuration control with Configuration Manager.
• Prepare subsystem training materials and deliver training.
• Capture and apply Lessons Learned.

Conhecimentos

Electrical power distribution

Fibre optic networks

Subsystem design

Project interface

CAD Design

Electrical calculations

UPS sizing

Low-voltage boards

Cable sizing

Teamwork

Portuguese & English

Formação académica

Electrical Engineering degree

Ferramentas

MS Office

Descrição da oferta de emprego

We are growing. And we are looking for talented people.

At Decskill, we believe that technological excellence is driven by human talent.

We are an IT consulting company with more than 10 years of consolidated experience in the market, focused on building long-term relationships with both our clients and our people. Today, we are a community of over 800 professionals, working from Lisbon, Porto, and Madrid, contributing to impactful technology initiatives.

As part of the Astek Group, we combine a strong local culture with a global presence, being active in around 23 countries across 4 continents. This allows us to offer an international context, diverse challenges, and long-term career opportunities, while staying close to our teams.

We would like to meet a Subsystem Engineer for aHybrid (60% on-site) working model in Oeiras.

About the Role

We are looking for an experienced Subsystem Engineer specialised in electrical power distribution and fibre optic networks to join a large-scale railway infrastructure project. You will own the design and integration of the UPS, power distribution, cabling, and fibre optic subsystem, acting as the project-wide technical interface for your domain — from design through to installation and commissioning on site.

Key Responsibilities

• Formalise the specifications and engineering plans used to develop the solution/product
• Assemble the solution/product elements to evaluate design, behaviour, interactions and performance, and confirm requirements are fulfilled
• Demonstrate that the solution/product satisfies the approved operational needs and is ready for release to production, testing, installation, and operation and support
• Plan and coordinate subsystem development within the agreed architecture and design, ensuring consistency with customer requirements and company processes
• Act as the project-wide technical interface for your domain, ensuring subsystem interfaces are defined, consistent, and complete
• Optimise technical work against cost, schedule, and risk, from design through to validation and acceptance
• Manage technical requirements within your domain
• Produce Technical Documents, including System Requirements, Design Documents, Configuration Documents, Installation Manuals, Test Procedures, O&M Documentation, and Training Documentation
• Provide technical expertise to Design Reviews with internal teams and the Customer
• Provide technical expertise for the definition of Operations and Maintenance activities
• Perform Testing & Commissioning (T&C) activities, including FAT tests, configuration field tests, and on-site commissioning
• Support configuration control and management in conjunction with the Configuration Manager
• Prepare subsystem training documentation and deliver training in your domain
• Capture and capitalise on Lessons Learned

What We're Looking For

• University degree in Electrical Engineering, Electrotechnics Engineering, or a related field
• Experience in CAD Design (an advantage)
• Proven experience in the design and integration of electrical power distribution systems within industrial, transportation, railway, or infrastructure projects
• Experience in sizing and selecting UPS systems, batteries, power conversion equipment, and associated protection devices
• Experience in the design of low-voltage electrical distribution boards, power distribution architectures, and power cabling systems
• Knowledge of electrical calculations, including load assessments, voltage drop, short-circuit analysis, cable sizing, and equipment dimensioning
• Experience preparing and reviewing electrical design documentation, including single-line diagrams, schematics, cable schedules, and installation drawings
• Experience in fibre optic network design, including topology definition, ring architecture design, and capacity planning
• Experience selecting fibre optic cables, patch panels, ODFs, connectors, splicing accessories, and other passive optical components
• Understanding of optical transmission principles, link budget calculations, attenuation considerations, and network resilience concepts
• Strong organizational skills, detail-oriented, with the ability to handle multiple priorities
• Good communication skills, able to manage multiple tasks efficiently in a fast-paced, team-oriented environment
• Good problem-solving skills, with experience developing and implementing customer-focused solutions
• Fluent in Portuguese and English
• Proficient in MS Office Tools
• Strong teamwork competencies

Are you looking for an environment that values curiosity and commitment? Here, your contribution has real impact and individual growth is taken seriously.

Find with us the right opportunity to grow!

What you can expect from us

• Long-term projects with national and international context.
• Opportunities to grow technically and professionally
• A people-first culture, focused on transparency and trust.
• Teams that value ownership, collaboration and stability.

Your next challenge might start here.