Senior Security & IT Infra Consultant

Unisys; Diegem; Sur place; EUR 90 000 - 120 000; Plein temps

Avantages offerts par ce poste

Hospitalization Insurance

Lunch vouchers

Eco-vouchers

Referral Program

Learning and training support

Great team

Résumé du poste

Unisys is seeking a Senior Security & IT Infra Consultant with a strong focus on networking to join our security team in Diegem. You will contribute to large-scale encryption networks, design and qualify secure infrastructures, and support deployment and operations.

This role is onsite at the Diegem office and lab, offering hands-on work with hardware, test environments and security platforms. You will be responsible for analyzing networks, building secure solutions, and acting as a trusted

Qualifications

• Master’s degree in Engineering, IT, Computer Science, or related field with relevant experience
• Fluency in English required; Dutch and/or French proficiency is a plus
• Onsite at Diegem office and lab; EU Secret Security Clearance eligible
• 10+ years of networking and security experience

Responsabilités

• Analyze, build and test secure network solutions
• Create PoC environments and lab setups; maintain lab
• Perform testing, troubleshooting and automation of security infra
• Deploy and migrate solutions; support customer migrations
• Document procedures, reports and vendor communications
• Provide high-level technical guidance to customers on networking and security

Connaissances

Networking expertise

Security analysis

Lab & system administration

PoC development

Automation scripting

Ansible

Linux CLI

Bash/Python scripting

English fluency

Formation

Master’s degree in Engineering/IT/CS

Outils

Ansible

Linux

Bash

Python

Description du poste

What success looks like in this role: We are looking for a motivated Senior Security & IT Infra Consultant 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, qualify, 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 handover to operations . You will also act as a trusted technical advisor to customers on networking and security topics. This role requires 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 analyzing, building and testing secure network solutions.

Your responsibilities will include:

• Network & Security Analysis Reviewing customer network and security capabilities
• Assessing and analyzing security posture
• Mapping and analyzing data flows and processes
• Lab & System Administration
• Building Proof-of-Concept (PoC) environments
• Set up, creatively adapt, upgrade and maintain the lab environment
• Testing & Automation
• Testing and troubleshooting new systems and architectures Build and execute creative automation of the security infrastructure testing Updating operational procedures and documentation Build and execute automating staging and pre-provisioning processes Deployment & Migrations Supporting staging, pre-provisioning and rollout of solutions Assisting and guiding customers during migrations Providing higher-level support for delivered solutions Documentation & Coordination Creating and maintaining operational procedures and manuals Writing activity and test reports Tracking issues and following up with vendors and partners Gathering and managing legal, business and technical requirements

You will be successful in this role if you have:

• Master’s degree in Engineering, Information Technology, Computer Science, or a related field, combined with relevant professional experience, or an equivalent combination of education and experience
• Agile, creative thinker with a sense for detail and quality
• Strong problem‑solving skills and eagerness to learn
• Fluency in English is required and proficiency in Dutch and/or French; both is considered an asset
• Must be prepared to work onsite at the office/lab in Diegem for the week
• Knowledge of computer networking and network security 10+ years of experience within the field
• Eligible for EU Secret Security Clearance
• Some experience with network infrastructure deployment and maintenance is a plus
• Experience with Linux (CLI and network configuration)
• Familiarity with automation tools (such as Ansible) and scripting languages (like Bash or Python) is an advantage

What We Offer

• Hospitalization Insurance and various other insurances
• Lunch vouchers
• Eco-vouchers
• Referral Program
• Learning and training support
• 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. #LI-TS1

#LI-TS1 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. This commitment includes our efforts to provide for all those who seek to express interest in employment the opportunity to participate without barriers. If you are a US job seeker unable to review the job opportunities herein, or cannot otherwise complete your expression of interest, without additional assistance and would like to discuss a request for reasonable accommodation, please contact our Global Recruiting organization at [e-mail] or alternatively Toll Free: 888-560-1782 (Prompt 4). US job seekers can find more information about Unisys’ EEO commitment here. Unisys is a global technology solutions company that powers breakthroughs for the world’s leading organizations. Our solutions – cloud, AI, digital workplace, logistics and enterprise computing – help our clients challenge the status quo and unlock their full potential. To learn how we have been helping clients push what’s possible for more than 150 years, visit unisys.com and follow us on LinkedIn. https://www.unisys.com/unisys-legal/recruiting Notice for U.S. Applicants: Unisys is an Equal Opportunity Employer – Minorities/ Females/ Veterans/ Individuals with Disabilities/ Sexual Orientation/ Gender Identity