Home > Work with us > Cloud & Infra > Software Integration Architect

Software Integration Architect

At Proximus SpearIT, we do everything to enable companies to work smarter, safer and faster. Customers come to us for our wide and extensive offering of IT services. Due to our strong growth, we are always looking for new employees.


Proximus SpearIT strengths:

  • Infrastructure projects and integrations, on-site and in the cloud;
  • Services related to networks, security, Skype for Business, storage, network and server maintenance, monitoring, service desk, and on-site support;
  • Support by IT specialists, project managers and interim managers;
  • Sale of servers, network equipment, smartphones, tablets, PCs and accessories.

What do we expect from you?

Our department works for our top corporate customers: customers for which we have an important recurrent business in multiple ICT technologies and for which multi-discipline resources (Project Manager, Service Managers, architects, engineers) are permanently dedicated.

In this department, we work with a team of Solution Architects with senior expertise and past on-the-field experience in engineering. We know the reality of project implementation, transition and migration, Operation and support in ICT.

We are leading large and very large projects like:

  • ANPR cameras, Road User Charging, emergency services…
  • Workplace management for 100 000 users: laptop, mobiles, Office365…
  • Setting up of new datacenter at customer-site with high reliability and availability
  • Design of hybrid solution and roadmap of migrations, DRP solutions
  • SD-LAN, SD-WAN, SD-security...
  • Radio network, Unified Communications, IP TV…

Job Description:

To be successful in the job as Software Integration Architect, you must be able to perform the following:

  • During the pre-sales phase:
    • You act as the technical consultant in software integration.
    • You participate actively in workshops to clarify the requirements with the customer.
    • You make the High-Level Design together with the software providers.
    • You consider the migration roadmap and the ease of use for Operation.
    • You define the key deliverables for each software provider (refined requirements, detailed design, release information, migration strategy, test plan and scenario…) and the overall delivery planning.
  • Once the project is sold:
    • Together with the software providers and the client, you refine the functional requirements and acceptance criteria.
    • You refine with the client and with the operational teams the non-functional requirements (Usability, reliability, performance, supportability…)
    • You document these requirements in collaboration with the software providers.
    • You challenge the technical design of the software providers.
    • You lead the validation by the customer of the E2E technical design
    • You validate the (other) deliverables from the software providers (as defined in pre-sales).
    • You lead meetings with the customers (clarification of requirements, validation of design, acceptance tests…)
  • In transition to Operation:
    • You lead the integration tests (internal) and support the acceptance tests with the customer.
    • You technically lead the resolution of complex issues
    • You coordinate the hand over to operational teams


  • More than 7 years’ experience in the software integration architecture for big enterprises
  • Good presentation skills and being able to become the trusted advisor for our customers
  • Experience of running solutions on virtualized environment (VMware)
  • Fair knowledge in SQL databases (MS SQL)
  • Team player with your colleague’s architect in infrastructure (servers, network, security…)
  • You have experience with the E2E service and customer journey. You know ITIL.
  • You speak Dutch fluently.  Additional languages are a plus.
  • You are a resident in Belgium for 3 years or more.

Your working place:


What do we offer?

At Proximus SpearIT, you can take your career in many directions. You will be among the first to explore new technologies and can constantly update your skills in our ICT Academy. Our working culture is that of an SME: we say it like it is and never shy away from a challenge.

Since we form part of the Proximus Group, you also benefit from the advantages and security of a large company. You can expect an attractive salary and an extensive package of fringe benefits.

Eager to take the plunge?

Don’t hesitate: quickly send us your motivation letter and CV using the button below.

If you have any questions about the job, feel free to call Roel Kox on 016/35 91 00.


Proximus SpearIT – 38 Ferdinand Allenstraat – 3290 Diest

Apply now!

Get to know some colleagues already

Engin Kalça,
Team Lead Support System Engineers

"Als IT’er vind ik het heerlijk om met de nieuwste technologieën...

Read more

Engin Kalça

Tom Tomczak,
Managing Director

Zoals onze naam aangeeft, zijn we voor 100% dochter van de Proximus Groep, de...

Read more

Tom Tomczak

Ken Vanmarsenille,
Field Engineer

“Ik ben een goed jaar in dienst bij Proximus SpearIT. Het eerste half...

Read more

Ken Vanmarsenille

Maxime Lamy,
Technical Architect

“Ik ben een man van uitdagingen. Geef mij een doel en ik herleef...

Read more

Maxime Lamy