IT Architect -IT Solutions Architect – Assets (Onshore) Unit:DTT 40u/w
Volgnummer: 121506
Publicatiedatum: 09-04-2026
Locatie: ARNHEM
Standplaats: ARNHEM
Duur: zsm - 01-06-2027
Optie tot verlenging: Ja
Reageren voor: 08-04-2026
Introduction
At TenneT, we are shaping the electricity grid of the future. As an IT Architect within the Assets domain, you play a key role in enabling the energy transition by driving digital innovation and building a robust, future‐proof IT landscape. Through your expertise, you directly contribute to large‐scale infrastructure projects and the reliable operation of the Dutch high‐voltage grid—today and tomorrow.
About TenneT, unit, department and team
TenneT is a leading European Transmission System Operator and a key player in the energy transition. With more than 23,500 kilometres of high‐voltage connections and around 5,000 employees, we ensure a secure and reliable electricity supply in the Netherlands and large parts of Germany. You will be working within the Digital & Technology Transformation – Assets (DTT‐AT) unit. This unit is responsible for driving and enabling digital and data transformation across asset‐related business value streams, to build the grid faster, use it more efficiently, and deliver sustainable value to customers.
Within DTT‐AT, you will join the Onshore domain, which focuses on digital solutions supporting the development, maintenance, and optimization of the onshore high‐voltage grid. You will collaborate closely with business partners, enterprise architects, platform teams, competence centres, and other DTT value streams. Depending on the assignment, you may work in a permanent domain team or as part of a multidisciplinary project team. The activities of this team directly contribute to the modernization, expansion, and sustainability of the Dutch high‐voltage electricity grid.
The role
How do you keep the Netherlands powered? As an IT Architect – Assets (Onshore), you design, guide, and optimize IT and integration solutions that support capital‐intensive projects and the operation of the existing grid. You focus on technical and integration aspects and support the DTT‐AT Onshore Domain Architect in shaping the target application and data landscape.
Your key activities include:
•
• Designing and guiding the implementation of scalable, high‐performing, secure, and cost‐effective IT and integration solutions (new and existing).
• Translating business needs into sustainable technical architectures aligned with enterprise architecture principles.
• Shaping and maintaining the application and technical landscape, ensuring modularity, maintainability, and cost efficiency.
•
Supporting application lifecycle management, including:
•
• Assessment of technical debt
• Guiding upgrades and modernization
• Evaluating vendor solutions
• Supporting fit‐gap analyses for SaaS and COTS products
• Introducing and applying innovative technologies to accelerate grid development, improve efficiency, and enhance customer experience.
•
Collaborating closely with:
•
• Business teams and stakeholders
• Enterprise Architecture
• Platform teams and Centres of Excellence
• Operational and delivery teams
• Promoting end‐to‐end thinking, open dialogue, and continuous learning across teams.
• Acting in accordance with TenneT’s core values: Ownership, Courage, and Connection.
You report to the Manager DTT Assets – Onshore.
What do you bring?
•
• A university degree in a technical field and/or Business Administration.
• At least 8 years of relevant experience in IT architecture, digital transformation, application management, or IT delivery, preferably within the energy or utilities sector.
•
Strong knowledge of:
•
• Complex application landscapes
• Asset management
• Agile working methods
• IT governance and compliance
• Proven experience with data‐ and digital‐enabled transformations, either from industry or consulting.
• Solid experience with IT solution delivery in waterfall, agile, and/or hybrid environments within complex stakeholder landscapes.
• Experience with strategic sourcing, including working with nearshore and offshore service providers.
• Dutch language skills are not mandatory; it is a big plus if you speak Dutch.
Soft skills:
•
• Analytical mindset with the ability to manage complexity
• Clear and effective communication with diverse stakeholders
• Proactive, independent, and solution‐oriented attitude
Key competencies
•
• Manages Complexity – Able to make sense of complex and sometimes contradictory information.
• Decision Quality – Makes sound, timely decisions that move the organisation forward.
• Cultivates Innovation – Continuously seeks better and more innovative solutions.
• Optimizes Work Processes – Focused on efficiency, effectiveness, and continuous improvement.
• Organisational Savvy – Comfortable navigating complex organisational dynamics.
• Persuasion – Uses strong arguments to gain alignment, commitment, and support.
Important
•
• This assignment does not lend itself to hiring a self‐employed contractor (ZZP not allowed).
• We are explicitly looking for an IT Architect with hands-on experience in solution and integration architecture and legacy-to-target environment migrations, rather than a functional IT Architect.
Practical information
•
• A Certificate of Conduct (VOG) must be in place before the candidate can start.
• A Pre‐Employment Screening (PES) is standard upon onboarding.
• Location: TenneT Arnhem / Hybride
- 50/50, Tuesday and Wednesday are mandetory office days.
• Availability for 40 hours per week is preferred over a 32-hour workweek.
• Interviews: one round, maximum two.
Additional information
•
• Suppliers must be aware of the laws and regulations regarding employment conditions and Tennet’s Collective Labour Agreement. This assignment is placed in scale 8;
• We would like to receive the personal motivation of the candidate and CV in Dutch or English.
Screening
•
• Pre-employment screening: If the candidate is selected to start, a pre-employment screening will be executed. We will send you the required documents to be filled in and returned as soon as possible. Your candidate is only allowed to start after the pre-employment screening has been completed successfully. The VOG Application is part of the screening. The VOG must be received before the candidate could start;
• All submitted candidates must be in possession of a valid Passport or ID card, which must be taken along to the interview and at the start of the assignment.
Availability
•
• Important, the candidate has to be available throughout the entire duration of the assignment;
• By submitting a candidate, you are agreeing to the terms of this specific client. If you are not familiar with these terms, you can ask our recruiters for a copy.
Functie-eisen:
A university degree in a technical field and/or Business Administration.
At least 8 years of relevant experience in IT architecture, digital transformation, application management, or IT delivery, preferably within the energy or utilities sector.
A Certificate of Conduct (VOG) must be in place before the candidate can start.
A Pre-Employment Screening (PES) is standard upon onboarding.
Location: TenneT Arnhem / Hybride
- 50/50, Tuesday and Wednesday are mandatory office days.
Availability for 40 hours per week is preferred over a 32-hour workweek.
This assignment does not lend itself to hiring a self-employed contractor (ZZP not allowed).
We are explicitly looking for an IT Architect with hands-on experience in solution and integration architecture and legacy-to-target environment migrations, rather than a functional IT Architect.
All submitted candidates must be in possession of a valid Passport or ID card, which must be taken along to the interview and at the start of the assignment.
The candidate has to be available throughout the entire duration of the assignment.
Wensen:
Bij voorkeur minimaal 8 jaar relevante ervaring in IT-architectuur, digitale transformatie, applicatiebeheer of IT-levering, bij voorkeur binnen de energie- of nutssector.
Het is een pre als je Nederlands spreekt. Solliciteer nu!
Duur: zsm - 01-06-2027
Optie tot verlenging: Ja
Reageren voor: 08-04-2026
Introduction
At TenneT, we are shaping the electricity grid of the future. As an IT Architect within the Assets domain, you play a key role in enabling the energy transition by driving digital innovation and building a robust, future‐proof IT landscape. Through your expertise, you directly contribute to large‐scale infrastructure projects and the reliable operation of the Dutch high‐voltage grid—today and tomorrow.
About TenneT, unit, department and team
TenneT is a leading European Transmission System Operator and a key player in the energy transition. With more than 23,500 kilometres of high‐voltage connections and around 5,000 employees, we ensure a secure and reliable electricity supply in the Netherlands and large parts of Germany. You will be working within the Digital & Technology Transformation – Assets (DTT‐AT) unit. This unit is responsible for driving and enabling digital and data transformation across asset‐related business value streams, to build the grid faster, use it more efficiently, and deliver sustainable value to customers.
Within DTT‐AT, you will join the Onshore domain, which focuses on digital solutions supporting the development, maintenance, and optimization of the onshore high‐voltage grid. You will collaborate closely with business partners, enterprise architects, platform teams, competence centres, and other DTT value streams. Depending on the assignment, you may work in a permanent domain team or as part of a multidisciplinary project team. The activities of this team directly contribute to the modernization, expansion, and sustainability of the Dutch high‐voltage electricity grid.
The role
How do you keep the Netherlands powered? As an IT Architect – Assets (Onshore), you design, guide, and optimize IT and integration solutions that support capital‐intensive projects and the operation of the existing grid. You focus on technical and integration aspects and support the DTT‐AT Onshore Domain Architect in shaping the target application and data landscape.
Your key activities include:
•
• Designing and guiding the implementation of scalable, high‐performing, secure, and cost‐effective IT and integration solutions (new and existing).
• Translating business needs into sustainable technical architectures aligned with enterprise architecture principles.
• Shaping and maintaining the application and technical landscape, ensuring modularity, maintainability, and cost efficiency.
•
Supporting application lifecycle management, including:
•
• Assessment of technical debt
• Guiding upgrades and modernization
• Evaluating vendor solutions
• Supporting fit‐gap analyses for SaaS and COTS products
• Introducing and applying innovative technologies to accelerate grid development, improve efficiency, and enhance customer experience.
•
Collaborating closely with:
•
• Business teams and stakeholders
• Enterprise Architecture
• Platform teams and Centres of Excellence
• Operational and delivery teams
• Promoting end‐to‐end thinking, open dialogue, and continuous learning across teams.
• Acting in accordance with TenneT’s core values: Ownership, Courage, and Connection.
You report to the Manager DTT Assets – Onshore.
What do you bring?
•
• A university degree in a technical field and/or Business Administration.
• At least 8 years of relevant experience in IT architecture, digital transformation, application management, or IT delivery, preferably within the energy or utilities sector.
•
Strong knowledge of:
•
• Complex application landscapes
• Asset management
• Agile working methods
• IT governance and compliance
• Proven experience with data‐ and digital‐enabled transformations, either from industry or consulting.
• Solid experience with IT solution delivery in waterfall, agile, and/or hybrid environments within complex stakeholder landscapes.
• Experience with strategic sourcing, including working with nearshore and offshore service providers.
• Dutch language skills are not mandatory; it is a big plus if you speak Dutch.
Soft skills:
•
• Analytical mindset with the ability to manage complexity
• Clear and effective communication with diverse stakeholders
• Proactive, independent, and solution‐oriented attitude
Key competencies
•
• Manages Complexity – Able to make sense of complex and sometimes contradictory information.
• Decision Quality – Makes sound, timely decisions that move the organisation forward.
• Cultivates Innovation – Continuously seeks better and more innovative solutions.
• Optimizes Work Processes – Focused on efficiency, effectiveness, and continuous improvement.
• Organisational Savvy – Comfortable navigating complex organisational dynamics.
• Persuasion – Uses strong arguments to gain alignment, commitment, and support.
Important
•
• This assignment does not lend itself to hiring a self‐employed contractor (ZZP not allowed).
• We are explicitly looking for an IT Architect with hands-on experience in solution and integration architecture and legacy-to-target environment migrations, rather than a functional IT Architect.
Practical information
•
• A Certificate of Conduct (VOG) must be in place before the candidate can start.
• A Pre‐Employment Screening (PES) is standard upon onboarding.
• Location: TenneT Arnhem / Hybride
- 50/50, Tuesday and Wednesday are mandetory office days.
• Availability for 40 hours per week is preferred over a 32-hour workweek.
• Interviews: one round, maximum two.
Additional information
•
• Suppliers must be aware of the laws and regulations regarding employment conditions and Tennet’s Collective Labour Agreement. This assignment is placed in scale 8;
• We would like to receive the personal motivation of the candidate and CV in Dutch or English.
Screening
•
• Pre-employment screening: If the candidate is selected to start, a pre-employment screening will be executed. We will send you the required documents to be filled in and returned as soon as possible. Your candidate is only allowed to start after the pre-employment screening has been completed successfully. The VOG Application is part of the screening. The VOG must be received before the candidate could start;
• All submitted candidates must be in possession of a valid Passport or ID card, which must be taken along to the interview and at the start of the assignment.
Availability
•
• Important, the candidate has to be available throughout the entire duration of the assignment;
• By submitting a candidate, you are agreeing to the terms of this specific client. If you are not familiar with these terms, you can ask our recruiters for a copy.
Functie-eisen:
A university degree in a technical field and/or Business Administration.
At least 8 years of relevant experience in IT architecture, digital transformation, application management, or IT delivery, preferably within the energy or utilities sector.
A Certificate of Conduct (VOG) must be in place before the candidate can start.
A Pre-Employment Screening (PES) is standard upon onboarding.
Location: TenneT Arnhem / Hybride
- 50/50, Tuesday and Wednesday are mandatory office days.
Availability for 40 hours per week is preferred over a 32-hour workweek.
This assignment does not lend itself to hiring a self-employed contractor (ZZP not allowed).
We are explicitly looking for an IT Architect with hands-on experience in solution and integration architecture and legacy-to-target environment migrations, rather than a functional IT Architect.
All submitted candidates must be in possession of a valid Passport or ID card, which must be taken along to the interview and at the start of the assignment.
The candidate has to be available throughout the entire duration of the assignment.
Wensen:
Bij voorkeur minimaal 8 jaar relevante ervaring in IT-architectuur, digitale transformatie, applicatiebeheer of IT-levering, bij voorkeur binnen de energie- of nutssector.
Het is een pre als je Nederlands spreekt. Solliciteer nu!