IT Infra Engineer

We ARE Renewables; Vianen; Hybrid; EUR 70,000 - 85,000; Part time

Job summary

We ARE Renewables seeks an Interim IT Infra Engineer to design and implement secure Linux-based infrastructure supporting a critical LTE-M telecom network for energy grid operators. You will work on server environments, virtualization, networking, and security to ensure reliable communications for critical infrastructure.

You will collaborate with IT architects, project managers, suppliers, and technical specialists to translate requirements into practical solutions, perform implementations,

Qualifications

• 5+ years in IT Infrastructure Engineering, Linux and server environments.
• Strong hands-on Linux experience, especially RHEL/Ubuntu.
• Windows Server experience is a plus.
• Solid knowledge of virtualization platforms (VMware/Hyper-V/OpenShift).
• Networking concepts: IP, DNS, NTP, routing, segmentation.
• Experience with remote access, IAM, authentication and security controls.
• Desirable telecom, energy, utilities or critical infrastructure background.

Responsibilities

• Design and implement IT infrastructure with emphasis on security, availability, and reliability.
• Configure, test, and maintain Linux server environments and Windows servers.
• Support virtualization platforms such as VMware, Hyper-V, or OpenShift.
• Manage remote access tools including jump servers and bastion hosts.
• Collaborate with architects and suppliers to translate requirements to solutions.
• Document configurations, test results, and operational procedures.
• Prepare environments for operational handover and future management.

Skills

Linux

RHEL

Ubuntu

Virtualization

Networking basics

Security hardening

Troubleshooting

Telecom infra

Independent worker

Communication skills

Job description

As 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 managementKnowledge 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
• 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)