Interim Test Engineer – IT Systems and Integrations

Project overview

Work you can be proud of Utility Connect provides wireless telecommunication for network operators via its own telecom network. In addition to the existing network, Utility Connect is developing and building a new telecom network based on LTE-M technology. This network must meet high standards for security, reliability, and availability, ensuring that services for parties with vital infrastructure can be provided reliably and securely, and remain available even in emergencies. Utility Connect was founded in 2014 as a joint subsidiary of Stedin and Alliander.

Together, we are working on the energy system of the future. To this end, we are expanding the grids, making the system smarter, and working on solutions to optimally design and utilize the energy system. For the realization of a business-critical LTE-M network, we are looking for a Test Engineer focused on IT systems and integrations within the LTE-M service provision. In this role, you will be responsible for test readiness, test execution, and release support of the end-to-end service provision.

You will contribute to quality and reliability by validating the operation of IT systems and integrations, coordinating defects, and monitoring test and release readiness. You will work within a multidisciplinary program where telecom networks, IT systems, SIM/eSIM platforms, devices, provisioning, monitoring, security, and operational processes together form one end-to-end service. This is what you will do

• collaborate with architects, developers, suppliers, operations, security, and SMEs;
• analyze requirements, architecture, interfaces, and technical designs;
• create and maintain test scenarios, test cases, and test data;
• perform System Integration Testing (SIT) including interfaces, processes, and non-functional tests;
• support FAT, UAT, and end-to-end testing;
• support performance and load testing;
• register, analyze, and follow up on defects;
• perform regression testing;
• automate suitable API and system tests;
• collect test evidence for quality gates and acceptance; This is your background
• at least 5 years of experience as a Test Engineer, Technical Tester, Integration Tester, or similar role;
• experience with FAT, SIT, UAT, and end-to-end testing in a telecom environment;
• experience with testing IT components and integrations such as NTP, DNS, SMTP, SFTP, firewalls
• experience with provisioning and activation processes;
• experience with system and integration testing;
• experience with requirements-based and risk-based testing;
• good knowledge of API testing (REST, JSON, XML, and preferably SOAP);
• experience with security testing;
• experience with SQL and database validation;
• knowledge of middleware, orchestration, and backend platforms;
• experience with log analysis and monitoring;
• experience with defect management;
• good command of Dutch and English;
• experience with Nokia OSS systems such as MantaRay and Digital Operations Centre is a plus. Competencies Strong analytical skills, pragmatic, results-oriented, environmentally aware, communicative, independent, flexible, collaborative, decisive, and strong in stakeholder management. Excellent command of English. Dutch is a plus. Conditions
• We are used to working hybrid, and for this role, you must be available at least 4 days a week.
• You will work at our office in Vianen for at least 50% of your time.
• Project duration is 6 months with the possibility of extension.

Project details

• Start: 2026-11-15T23:00:00
• Location: Vianen Utrecht, NL
• Languages: Dutch