Senior Security & IT Infra Consultant

Unisys; Town of Belgium (WI); On-site; USD 102,798 - 137,064; Full time

Benefits offered by this job

Hospitalization Insurance

Lunch vouchers

Eco-vouchers

Referral Program

Learning and training support

Great team

Job summary

Unisys is seeking a Senior Security & IT Infra Consultant to join our Diegem office in Belgium. You will work hands-on in a lab environment, design and test secure network solutions, and act as a trusted technical advisor on networking and cybersecurity.

The role involves full lifecycle engagement from design to handover, with an emphasis on independent ownership and continuous skill development in networking and security. On-site presence is required in Diegem.

Qualifications

• Master’s degree in Engineering, IT, Computer Science or related field; equivalent combination accepted.
• 10+ years of experience in security/IT infrastructure and networking.
• Fluency in English; Dutch and/or French are assets.
• Knowledge of computer networking and network security.
• Experience with Linux (CLI and network configuration).
• Familiarity with automation tools (Ansible) and scripting (Bash, Python).

Responsibilities

• Analyze, build and test secure network solutions.
• Review customer network and security capabilities and posture.
• Set up and maintain PoC environments in the lab.
• Provide high-level guidance during deployments and migrations.
• Create and maintain operational procedures and reports.
• Coordinate with vendors and partners on requirements and testing.

Skills

English fluency

Networking knowledge

Linux CLI

Bash

Python

Ansible

Education

Master’s degree in Engineering / IT / CS

Equivalent combination of education and experience

Tools

Ansible

Linux

Bash

Python

Job description

## Senior Security & IT Infra ConsultantApplylocations: Diegem, Flemish Brabant, Belgiumposted on: Posted Todayjob requisition id: REQ574467**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.**