IT System Administrator

Summary

Are you passionate about IT, technology, and cybersecurity? Do you enjoy working on projects and system configuration along with the variety of general IT work? We're seeking a talented System Administrator to join our growing IT team.

In this role, you'll primarily focus on IT projects such as setting up, monitoring, and maintaining our systems, services, and networks, as well as managing security tools and responding to events. As a shared responsibility with the team, you'll support employees, help with onboarding, and maintain an office IT presence. This role requires being in the office 3-4 days per week.

Responsibilities

As an IT System Administrator, your three main focus areas will be:

Operational: Ensure the reliable operation of our IT systems and networks. Manage configurations, infrastructure, and integrations, and implement improvements to keep systems stable and efficient.

Support: Maintain an office IT presence, provide hands-on support for employees, and manage onboarding/offboarding processes including hardware and account setup. Act as the go-to contact for technical assistance.

Security & Compliance (Contribution): Contribute to security by applying patches, managing access controls, monitoring events, and supporting vulnerability remediation. Assist in audits, access reviews, and compliance initiatives in collaboration with the security team.

Core Operational & Support

You will primarily be responsible for:

• Managing and maintaining our on-premise IT infrastructure, including servers, networks, and related to hardware/software

• Supporting and administering cloud-based services and integrations

• Monitoring system performance, troubleshoot issues, and resolving issues to minimize downtime

• Overseeing device management systems (MDM) for laptops, servers, and mobile devices

• Providing technical support for employees (hardware, software, and network) both on-site and remote

• Executing onboarding and offboarding tasks, including account provisioning and hardware setup

• Planning and implementing upgrades, migrations, and system enhancements

• Tracking and managing IT assets, hardware inventory, and software licenses

• Maintaining and building accurate documentation of system configurations, processes, and procedures

Security & Compliance (Contribution)

You will contribute to and collaborate on:

• Managing and testing backups, disaster recovery, and business continuity procedures

• Implementing security measures such as access controls, patch management, and event logging

• Supporting identity and access management (IAM) practices in collaboration with IT/security leads

• Helping to prepare for audits, compliance checks, and access reviews

• Coordinating with teams on vulnerability management and incident response

• Providing input on vendor assessments and service provider reviews

Systems & Tools

You'll work with cloud platforms (Google Cloud Platform), on-premise infrastructure (Proxmox virtualization on Dell servers and Mac hardware, a lot of smartphones), containerization (Docker for services and builds), device management tools (Microsoft Intune, NinjaOne, Mosyle), automation technologies (Python-based codebases, Ansible), and collaboration tools (Slack, Google Workspace). You'll support a diverse environment where employees use Linux, macOS, and Windows.

Profile

The successful candidate has:

• 3+ years of hands-on experience in system administration and IT support

• Bachelor's degree in Computer Science, Information Technology, or a related field

• Strong knowledge of operating systems (Windows, Linux, and macOS), server administration, and virtualization technologies

• Experience managing IT infrastructure including servers, networks, and storage systems

• Familiarity with security principles, including access controls, patch management, and security audits

• Proficiency in network configuration and troubleshooting (TCP/IP, DNS, DHCP)

• Knowledge of scripting languages (e.g., Python) and automation tools

• Strong problem-solving skills and ability to troubleshoot complex technical issues

• Excellent communication and interpersonal skills to work effectively with employees at all levels

• Detail-oriented, organized, and able to manage multiple priorities

• Collaborative team player with a continuous learning mindset

• Fluent in English

Nice to have:

• Relevant certifications (e.g., CompTIA A+/Network+/Security+, or similar)

• Experience with Docker and containerization

• Knowledge of security frameworks (e.g., ISO 27001, CIS)

• Experience with Google Workspace and cloud-based device management

What Guardsquare offers you

• A full-time job with a competitive salary package.

• You are provided with the tools & flexibility to develop yourself successfully.

• An international environment where you will interact with motivated & open colleagues from different backgrounds.

• A workplace where you can share and implement your ideas.

• A hybrid work policy, which helps guarantee an excellent work-life balance.

At Guardsquare, we take pride in being a diverse and multicultural company with team members representing numerous nationalities. We value different perspectives and opinions throughout the business which has contributed to our being the market leader in mobile application security.

You will be part of a dynamic team that strives for excellence and focuses on continuous education and enhancement in skills. We encourage & empower our trusted colleagues to share their opinions, actively collaborate, and continue to learn and grow.

So, what are you waiting for? Join us!

You can apply for this opportunity by filling out the application form below!

About Guardsquare

Guardsquare offers the most complete approach to mobile application security on the market. Built on the open source ProGuard technology, Guardsquare’s software integrates seamlessly across the development cycle. From app security testing to code hardening to real-time visibility into the threat landscape, Guardsquare solutions provide enhanced mobile application security from early in the development process through publication.

More than 900 customers worldwide across all major industries rely on Guardsquare to help them identify security risks and protect their mobile applications against reverse engineering and tampering.

Guardsquare is based in Leuven (Belgium), with offices in Gent (Belgium), Boston (USA) and Munich (Germany).