Security & IT Infra Consultant

Posted Yesterday
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Diegem, BEL
In-Office
Mid level
Information Technology
The Role
Design, test and deploy secure network infrastructures with a focus on networking and encryption. Build and maintain PoC and lab environments, analyze security posture and data flows, automate security testing and staging, support deployments and migrations, provide higher-level support, document procedures and reports, and coordinate with vendors and customers as a trusted technical advisor.
Summary Generated by Built In

What success looks like in this role:

We are looking for a motivated 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
  • Some 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

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 [email protected] or alternatively Toll Free: 888-560-1782 (Prompt 4).  US job seekers can find more information about Unisys’  EEO commitment here.

Skills Required

  • Master's degree in Engineering, IT, Computer Science or equivalent experience
  • Some years of professional experience in networking/security
  • Knowledge of computer networking and network security
  • Experience with Linux (CLI and network configuration)
  • Eligible for EU Secret Security Clearance
  • On-site presence at Diegem office and lab (weekly)
  • Fluency in English
  • Proficiency in Dutch and/or French
  • Experience building PoC environments and maintaining lab infrastructure
  • Familiarity with automation tools (such as Ansible)
  • Familiarity with scripting languages (Bash or Python)
  • Some experience with network infrastructure deployment and maintenance
  • Strong problem-solving skills and eagerness to learn
  • Agile, creative thinker with attention to detail and quality

Unisys Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Unisys and has not been reviewed or approved by Unisys.

  • Fair & Transparent Compensation Fair & Transparent Compensation: Compensation terms at hire are often presented clearly and upfront, creating a straightforward “take it or leave it” expectation. Pay outcomes are also described as variable by role and geography, with some pockets viewed as satisfactory or above average.
  • Retirement Support Retirement Support: A 401(k) plan with an employer match is commonly described as part of the core package. The match is often characterized as a meaningful component of total rewards relative to other benefits.
  • Healthcare Strength Healthcare Strength: Core medical, dental, and vision coverage is described as available and broadly in line with a large IT-services employer. The underlying carrier network is sometimes viewed as solid even when cost concerns exist.

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The Company
HQ: Blue Bell, PA
22,588 Employees
Year Founded: 1986

What We Do

Unisys is a global information technology company that builds high-performance, security-centric solutions for the most demanding businesses and governments on Earth. Unisys offerings include security software and services; digital transformation and workplace services; industry applications and services; and innovative software operating environments for high-intensity enterprise computing. We build better outcomes securely for our clients across the Government, Financial Services and Commercial

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