# Platform Engineer

> 3E · Brussels, Belgium (Hybrid) · — · Posted 2026-03-02

**Workplace:** hybrid

**Department:** Security, Infra & IT

## Description

As our operations are expanding, we are looking for a talented Platform Engineer to support us in the **design, development and maintenance of our cloud-based and on-premises infrastructure**. You will take ownership and coordinate **infrastructure-related projects** for our SynaptiQ and R&D department application platforms.

You will join 3E’s infrastructure team, working in close collaboration with the Site Reliability Engineering, Development, and Information Security teams, reporting to the Information Security Teamlead.

As a Platform Engineer, you are the go-to person for all infrastructure changes:

**Technical**

-   You assist with the planning and execution of infrastructure changes
-   You implement and maintain infrastructure automation and CI/CD pipelines
-   You ensure infrastructure security, compliance, and best practices are followed
-   You’re a key player in the Incident Management Process

**Advisory**

-   You provide technical guidance and mentorship to teams on infrastructure matters
-   You document infrastructure architecture, processes, and runbooks for the team

**Strategic**

-   You evaluate and recommend new technologies and tools to improve infrastructure reliability
-   You monitor, maintain, and optimize infrastructure performance, security, and reliability

## Requirements

3E is looking for a battle-hardened Platform Engineer capable of **assessing the risks related to infrastructure changes** and having **experience in implementing mitigating controls**. You follow **DevOps best practices** when building infrastructure projects in Terraform and Docker. You’re a team player and support teammate in their daily operations of 3E's production environments.

Our ideal candidate:

-   Is fluent in English, the main language in our company
-   Is based in Belgium (or can relocate to Belgium easily, within a short timeframe)

-   Has 3 years of relevant professional experience in a similar position
-   Has experience with Linux administration and immutable OS
-   Has experience working with Docker and Kubernetes
-   Is experimented in networking, performance troubleshooting (e.g. tcpdump, strace, ss)
-   Has experience with configuring IPSec VPN tunnels
-   Has experience with AWS or other relevant cloud provider
-   Experience in designing/operating scalable infrastructure
-   Is a team player with good communication skills
-   Comes with strong analytical skills
-   Is security minded

Bonus points for:

-   Experience working on internal applications platform and programming

-   Experience working in an ISO27001 certified workplace

## Benefits

Our offices are hidden in the centre of Brussels with a view on a pond, with ducks and a heron bringing a regular visit. In addition to a **stimulating** atmosphere in a highly motivated group of people, 3E offers a unique opportunity to further develop yourself in a company/team with an ambitious growth plan, delivering innovative services.

Furthermore:

-   **Training** on the job by our experts so you get to know our solution and work in and out
-   **Flexibility** in our open-minded company.
-   **Home working (2 days per week)**
-   An **international** environment: projects in over 100 countries worldwide, colleagues of over 20 nationalities.
-   A **salary package** including hospitalisation insurance, pension saving, €9 meal voucher/day, flexible income plan, 20 legal days off + 12 compensation days (per full year worked), sustainable transport subscription or bike allowance (€0.36/km).

## Apply

[Apply at 3E](https://apply.workable.com/3e/j/25F422C2CC/apply)

---
Powered by [Workable](https://www.workable.com)