What success looks like in this role:
We are looking for a motivated Network / Security Specialist with a strong focus on networking to join our growing security team. You will work on impactful security projects, including large-scale encryption networks, helping customers design, build and operate secure infrastructures.
You will be involved in the full lifecycle of our solutions — from design and proof-of-concepts through testing, deployment and long-term support. You will also act as a trusted technical advisor to customers on networking and security topics.
This role requires regular on-site presence in our Diegem office and lab, where you will work hands-on with hardware, test environments and security platforms. We are looking for someone who enjoys working independently, taking ownership, and continuously developing their expertise in networking and cybersecurity.
If you enjoy solving complex technical challenges and want to grow in a small, agile and highly skilled team, this role is for you.
What you will do
You will play a key role in analysing, building and operating secure network solutions. Your responsibilities will include:
Network & Security Analysis
1. Reviewing customer network and security capabilities
2. Assessing and analysing security posture
3. Mapping and analysing data flows and processes
Lab & System Administration
4. Building Proof-of-Concept (PoC) environments
5. Setting up and maintaining the lab environment
6. Handling day-to-day lab operations and troubleshooting
Testing & Automation
7. Testing and troubleshooting new equipment
8. Validating operational procedures and documentation
9. Automating security infrastructure testing
10. Automating staging and pre-provisioning processes
Deployment & Migrations
11. Supporting staging, pre-provisioning and rollout of solutions
12. Assisting and guiding customers during migrations
13. Providing higher-level support for delivered solutions
Documentation & Coordination
14. Creating and maintaining operational procedures and manuals
15. Writing activity and test reports
16. Tracking issues and following up with vendors and partners
17. Gathering and managing legal, business and technical requirements
You will be successful in this role if you have:
18. Bachelor’s degree in Engineering, Information Technology, or Computer Science, combined with relevant professional experience; or an equivalent combination of education and experience.
19. Fluency in English is required; proficiency in Dutch and/or French is considered an asset.
20. Must be prepared to work onsite at the office/lab in Diegem for multiple days per week
21. Strong problem-solving skills and eagerness to learn
22. Knowledge of computer networking and network security
23. Some experience with network infrastructure deployment and maintenance is a plus
24. Experience with Linux (CLI and network configuration)
25. Familiarity with automation tools (such as Ansible) and scripting languages (like bash or python) is an advantage
What We Offer
26. Hospitalization Insurance and various other insurances
27. Lunch vouchers
28. Eco-vouchers
29. Referral Program
30. Learning and training support
31. Last but not least, a great team
If you're passionate about solving complex challenges and eager to grow within a small, agile team, we’d love to hear from you.
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Unisys is proud to be an equal opportunity employer that considers all qualified applicants without regard to age, caste, citizenship, color, disability, family medical history, family status, ethnicity, gender, gender expression, gender identity, genetic information, marital status, national origin, parental status, pregnancy, race, religion, sex, sexual orientation, transgender status, veteran status or any other category protected by law.