# Mid-Level System Field Engineer

> SquareDev · Athens, Greece (Hybrid) · Full-time · Posted 2026-06-30

**Workplace:** hybrid

**Department:** Delivery

## Description

### **Why are you looking for a job?**

If your answer ticks all the boxes, this could be the start of a great collaboration.

-   You have a curious mind - You won't understand what we're talking about if you don't 🤔
-   You want to learn more around technology - You won't survive if you don't 😱
-   You want to make the world a bit better 😇

We happen to be just like that as well. We like hacking things here and there (you included) and create scalable solutions that bring value to the world.

### **SquareDev? 🐿️**

We use state-of-the-art technology to build solutions for our customers and our partners' customers. We make sure we stay best-in-class by participating in **research projects across Europe**, collaborating with **top universities and enterprises** **on** **AI, Data, and Cloud**.  
  
**About QnR Group**

**SquareDev is a member of the** **QnR Group**, a leading technology organization specializing in end-to-end custom software solutions, Artificial Intelligence, Cybersecurity, SAP, ServiceNow and FinTech solutions.

As part of QnR Group's ongoing expansion — both in Greece and internationally — we are continuously hiring across a wide range of tech roles. Successful candidates may be hired by QnR Group, or another company within the Group, depending on the role and project.

### **Role overview**

We are looking for a **Mid-Level System Field Engineer** to support the deployment, operation, and maintenance of enterprise IT infrastructures across customer environments. As part of your professional development, you will receive hands-on training on leading enterprise cybersecurity technologies while working with servers, virtualization, operating systems, and networking solutions. You’ll contribute to real-world infrastructure and cybersecurity projects, helping deliver secure, reliable, and high-performing IT environments for our customers. The successful candidate will be hired by **SysteCom**.

## Requirements

**The ideal candidate will be responsible for:**

-   Receive training and hands-on experience on enterprise security platforms and solutions.
-   Assist in the deployment, configuration, and ongoing support of security platforms under the guidance of senior engineers.
-   Provide first-level support and troubleshooting for security-related infrastructure components as part of integrated IT and cybersecurity projects.
-   Support and maintain Windows Server environments, including Active Directory administration, Group Policy (GPO) management, and DNS/DHCP services.
-   Assist in the deployment, configuration, and troubleshooting of server infrastructure (physical and virtual).
-   Apply system hardening best practices and support patch management and system updates.
-   Participate in incident troubleshooting, identifying and resolving system and connectivity issues.
-   Provide on-site and remote technical support as part of field engineering operations.
-   Perform infrastructure health checks and basic performance monitoring.
-   Collaborate with senior engineers to implement infrastructure improvements and operational best practices.
-   Support customer deployments, upgrades, and infrastructure migrations.
-   Assist in the setup, configuration, and troubleshooting of networking components, ensuring reliable connectivity and correct TCP/IP operation across systems.

**To excel in this role, you'll need:**

-   Bachelor’s degree in Computer Science, Information Technology, Networks, or a related field.
-   3 years of experience in system administration, IT support, or infrastructure-focused roles (field experience is a plus).
-   Strong understanding of Windows-based environments (Windows Server, Active Directory, DNS, DHCP).
-   Good knowledge of networking fundamentals, including TCP/IP, IP addressing, subnetting, VLANs, and basic routing.
-   Ability to troubleshoot system and network connectivity issues in production environments.
-   Hands-on mindset with strong problem-solving skills.
-   Good documentation and communication skills.
-   Ability to work collaboratively with technical teams and customer stakeholders, both onsite and remotely.

**Nice to have:**

-   Microsoft valid certifications (or willingness to pursue them).

## Apply

[Apply at SquareDev](https://apply.workable.com/squaredev/j/48E23A371F/apply)

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