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Network and Security Engineer
Side-by-side with other Contingent Workers and internal staff, you will play a part in building a sustainable, green and reliable energy infrastructure that stimulates economic growth and reduces our ecological footprint.
Only together can we make the biggest impact possible! We believe in the power of diversity: we are convinced that an inclusive and diverse work environment leads to more innovation, creativity and better results.
The Datacom department, which the IP Networks team is part of, is in charge of:
the datacom transport network for the client's IP networks and IT networks in general. The client has an extensive network of fibre and copper cables, supplemented by rented connections. The technologies in use at client's include PDH, SDH, DWDM, and IP/MPLS,
the IP/Ethernet/WiFi networks used for telephony and core business needs (office network, real-time network, …) in all of client’s administrative sites, data centres and dispatching offices,
direct IP connections with other electricity transport, distribution and generation utilities,
Internet connections,
the protection and security of the client's networks with firewalls, DMZs (Demilitarised Zones), VPN concentrators, load balancers,
the networks connecting high-voltage substations and data centres for purposes of remote surveillance, telephony, meter readings, consulting disturbance recorders, ... These networks are also used for communication between the electrical protection devices at different stations,
connections with other TSOs for remote surveillance, remote protection, and telephony.
Service description:
The F5 BIG-IP solution is an important central component within the client’s datacenter infrastucture and is heavily used to implement application load balancing, high availability concepts, security features, …
The F5 Networking and Security Engineering Service consists of following tasks:
Load balancing and high-availability architecture design.
Design and implementation of F5 BIG-IP solutions for application delivery and network traffic management.
Configuration and administration of virtual servers, pools, nodes, monitors, iRules, SSL profiles, and traffic policies.
SSL/TLS certificate management, SSL offloading, encryption configuration, traffic inspection and reporting.
Web Application Firewall (AWAF) deployment and policy management (depending on the client’s needs).
Authentication and access management integration using APM and enterprise identity services.
Performance tuning, capacity planning, and service optimization.
Incident, problem, and change management support.
Security patching, software upgrades, and lifecycle management of F5 infrastructure.
Root cause analysis and troubleshooting of application delivery, connectivity, and performance issues.
Documentation, operational procedures, and knowledge transfer activities to stakeholders
Requirements:
Should hold a bachelor’s or master’s degree in electronics, ICT or telecommunications, or have equivalent technical experience in this field.
Must have an all-round and in-depth conceptual, practical and operational knowledge of IP Networks and their management in multi-site environments and data centres.
Must have advanced knowledge of F5 solutions and extended experience of designing and implementing them in complex environments.
Should have and all-round knowledge and experience of IT security concepts, architectures and implementations (e.g. the client is using Checkpoint and Palo Alto firewall technology)
Must be willing to continuously refine and broaden his technical knowledge.
Needs to be able to work independently and methodically, have a sense of responsibility and can assess risks accurately.
Needs to be customer-oriented and cope well with stress,
Needs to be flexible and approachable (tasks may be suddenly interrupted by urgent operational issues).
Must have good communication skills for interacting with other colleagues, departments, suppliers, service providers, …
You are able to speak, read and write Dutch, French and English.
Additional information:
Work regime: 40 h/week
Location: “Schaerbeek” Building - Vilvoordselaan 126, 1000 Brussels
Remote working is allowed for max. 3 days/week and depends on the tasks
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.