Principal Consultant - Networking

 Location: Belgium - Zaventem | Job-ID: 217089 | Contract type: | Business Unit: Technicians

Life on the team

A fantastic opportunity has arisen to join our dynamic and fast-growing Consultancy Practice within Computacenter. We’re looking for a seasoned Networking Consultant who thrives in complex environments, enjoys variety, and knows how to turn business requirements into elegant, resilient network solutions.

Computacenter is experiencing strong growth across all networking technology services, and this role is perfectly suited to someone who enjoys working with enterprise customers, shaping strategy, and delivering advanced networking solutions that actually work in the real world.

While deep technical expertise and relevant certifications are essential, Computacenter is equally committed to continuous professional development. You’ll work on highly complex, genuinely interesting projects while receiving targeted training to keep your skills sharp and your career moving forward.

What you'll do 

As a Principal Consultant, you will operate both as part of a team and as a technical lead, taking ownership from initial concept through to delivery.

Your responsibilities will include:

Enterprise Project Delivery

• Design advisory and technical guidance


• Detailed design development and solution delivery


• Ownership of high-level designs to ensure solutions are correctly documented and implemented

Pre-Sales & Solution Shaping

• Requirements gathering and technical workshops


• Solution definition and architecture


• Technical costings and estimations


• Governance representation and stakeholder engagement

Customer Engagement

• On-site, customer-facing consultancy activities


• Building and maintaining strong, trusted customer relationships


• Delivering outcome-based solutions (not just diagrams)

Professional Excellence

• Production of high-quality technical documentation


• Strong personal time, quality, and workload management


• Confident presentations to both technical and non-technical audiences


• Excellent troubleshooting and diagnostic skills

What you'll need 

• Minimum 10 years’ experience as a consultant within a professional services organisation


• Strong background in traditional enterprise networking, supported by vendor certifications


• Hands-on expertise delivering both traditional and advanced network solutions


• Broad understanding of network security principles and architectures


• Proven experience leading or contributing to pre-sales engagements


• Excellent written and verbal communication skills in Dutch, French, and English


• Experience facilitating workshops to capture and steer customer requirements

Exposure to Advanced & Emerging Technologies

You will have experience with (or strong exposure to):

• Software Defined Networking (SDN)


• Network Security


• Network Automation & Infrastructure as Code (IaC)


• Cloud Networking and Security


• Network Observability

Technical Capabilities

Expected Certifications

• Cisco CCNP Routing & Switching


• Cisco CCNP Security


• Palo Alto PCSNE or Fortinet FNCSE


• Cisco ACI and/or VMware NSX-T (VCP-NV) — design and delivery

Desirable Networking Experience

• Zscaler Zero Trust Certified Associate (ZTCA)


• HP Aruba wireless and networking design & delivery


• HP Aruba ClearPass


• Cisco ThousandEyes (qualification, deployment, optimisation)


• Cisco SD-WAN (Meraki and/or Viptela)


• Cisco ISE


• Cisco SDA / DNA Center


• Extreme Networks


• Tufin and/or Skybox


• Forescout IT/OT


• Cloud networking and security solutions


• SASE implementations (e.g. Zscaler ZTNA)

Desirable Programmability Experience

• Terraform


• Ansible


• Python


• Jenkins

About us

We are a leading independent technology and services provider, trusted by large corporate and public sector organisations. We are a responsible business that believes in winning together for our people and our planet. We help our customers to source, transform and manage their technology infrastructure to deliver digital transformation, enabling people and their business.

Our business may be about technology, but first of all it’s about people

With over 20,000 people across 22 countries, we are proud of our inclusive culture - where everyone can thrive, feel valued, and truly belong.

As an equal opportunities employer, we’re committed to ensuring fair and equal access to opportunities for all. Your application will be considered on its merits, regardless of your age, disability, ethnicity, gender identity, or any other characteristics protected by law. What matters most to us is that you share our vision and values, and bring the experience and skills we’re looking for.

We are proud to be a Disability Confident Employer. We welcome applications from disabled people and accept applications in alternative formats. We also guarantee to interview applicants who have a disability.

If you share our values and want to make a meaningful impact in a supportive, forward-thinking environment - we’d love to hear from you!