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IT Infra Engineer
s an Interim IT Infra Engineer, you will play a key role in designing, implementing, securing, and maintaining IT infrastructure supporting a critical LTE-M telecom network for energy grid operators. You will focus on Linux infrastructure, server environments, virtualization, networking, and security solutions to ensure reliable and secure communication for vital infrastructure.
Working in a technical and security-driven environment, you will collaborate with IT architects, project managers, suppliers, and technical specialists to translate infrastructure requirements into practical solutions, perform implementations, troubleshoot complex issues, and prepare environments for operational handover.
What will you do?
- Design and implement IT infrastructure solutions with a strong focus on security, availability, and operational reliability
- Configure, integrate, test, and maintain server environments supporting telecom and critical infrastructure systems
- Manage Linux server environments, including RHEL and Ubuntu platforms
- Configure, patch, harden, and troubleshoot Linux and Windows server environments
- Support remote access solutions, including stepping stones, jump servers, and bastion hosts
- Manage and support virtualization platforms such as VMware, Hyper-V, or OpenShift
- Support infrastructure integration with Core, RAN, Element Manager, and Network Manager systems
- Configure and troubleshoot DNS, NTP, logging, monitoring, AAA, and authentication integrations
- Perform technical troubleshooting across Linux, Windows, networking, and system integrations
- Test configurations, permissions, failover mechanisms, and continuity solutions
- Apply security-by-design principles, including least privilege, access control, hardening, and audit logging
- Collaborate with architects, suppliers, and technical specialists on infrastructure dependencies and implementation decisions
- Provide input into technical designs with focus on feasibility, security, and manageability
- Document configurations, test results, technical solutions, and operational procedures
- Support technical handover towards the future management organization
What do you bring?
- 5+ years of experience as an IT Infrastructure Engineer, System Engineer, Linux Engineer, Windows Server Engineer, or similar role
- Strong hands-on experience with Linux environments, especially RHEL and/or Ubuntu
- Experience managing Windows Server environments is considered an advantage
- Strong knowledge of virtualization platforms such as VMware, Hyper-V, or OpenShift
- Experience with server configuration, patching, hardening, and troubleshooting
- Knowledge of networking concepts including IP networking, subnetting, routing, DNS, NTP, and network segmentation
- Experience with remote access solutions, jump servers, bastion hosts, and secure access management
- Knowledge of IAM, authentication, authorization, Group Policy, IPA, or similar technologies
- Experience with servers, storage, and datacenter infrastructure
- Understanding of security principles such as security-by-design, least privilege, logging, and access control
- Experience with monitoring and logging platforms is considered an advantage
- Experience within telecom, energy, utilities, or critical infrastructure environments is highly desirable
- Strong analytical and troubleshooting skills with a hands-on mindset
- Ability to work independently while collaborating with architects, engineers, and suppliers
- Strong communication skills and ability to explain technical topics clearly
Job Details
- Role: Interim IT Infra Engineer
- Domain: Mobile Telecom / LTE-M Network Infrastructure
- Location: Vianen, Netherlands
- Start Date: ASAP
- Duration: 9 months with option for extension
- Hours per week: 32–40 hours
- Working model: Hybrid (approximately 50% onsite)
- Contract type: Interim / Freelance
Questions candidates ask before applying
This depends on the role and the client, but on average our process takes 2–4 weeks from first contact to offer. We keep you informed at every step.
We specialize in roles across the renewable energy sector, including positions in solar, wind (onshore & offshore), green hydrogen, energy storage, grid infrastructure, and sustainability. We recruit for technical, commercial, and project management roles at all levels.
There are multiple ways to apply for a position with us. If you wish to apply directly to a specific job, please visit the job listing and use the "Apply" button to submit your application. Alternatively, if you are interested in an open application or exploring potential opportunities, you can fill out our online form.
We are open to discussing various commercial arrangements depending on the volume and nature of the collaboration. Contact us for a tailored proposal.
Our fees are charged to the hiring company and are based on a percentage of the candidate's annual salary. We discuss this transparently during the intake. There are no costs for candidates.
Yes! You can submit an open application via our website. We'll keep your profile on file and reach out as soon as a suitable opportunity arises.
We conduct thorough interviews to assess both technical competencies and cultural fit. We have an extensive network in the renewable energy sector, which allows us to find both active and passive candidates.
Our process consists of several steps: (1) Intake with the client to understand the role, team, and culture, (2) Active sourcing and screening of candidates, (3) Presentation of a shortlist, (4) Interview coordination, (5) Offer and onboarding support.
We are a passionate, driven team that genuinely believes in the energy transition. We combine a personal approach with deep sector knowledge, and we're committed to making a real impact — for candidates, clients, and the planet.
We cover the full spectrum of renewables: solar PV, onshore and offshore wind, green hydrogen, energy storage, EV infrastructure, and broader sustainability roles. We work with developers, EPCs, OEMs, and utilities.
We ARE Renewables is headquartered in Rotterdam, the Netherlands — one of Europe's key hubs for the energy transition. We operate across Europe and connect renewable energy talent with leading organizations in the sector.
Yes, we recruit both permanent employees and freelance/interim professionals, depending on your project needs.
Depending on the role, we typically present the first shortlist within 1–2 weeks. For specialized or hard-to-fill positions, we set realistic timelines upfront.
We live and breathe renewable energy. Our consultants have a deep understanding of the sector — from the technical landscape to the energy transition trends shaping the industry. We don't just match CVs, we match ambitions.
You can reach out via our contact form or call us directly. We'll schedule an intake to understand your needs and immediately start the search for the right candidates.
Absolutely. We guide you through the entire process, from CV advice to interview tips and salary negotiation support.
Yes, our recruitment services are completely free for candidates. We are paid by the hiring companies, so there are no costs for you at any stage of the process.