Senior Linux System Engineer NL or FR

HOUSE OF ABY; Brussel; Sur place; EUR 65 000 - 95 000; Plein temps

Avantages offerts par ce poste

Maaltijdvouchers €8 per werkdag

Vaste onkostenvergoeding

Bedrijfsauto en brandstofpas

Ziekenhuisopname en groepsverzekering

Eco-vouchers tot €250 per jaar

Netwerkopbouw en kennisdeling

Résumé du poste

HOUSE OF ABY is seeking a skilled Linux System Administrator/Infrastructure Engineer to manage enterprise Linux environments, ensure patching, security, and performance. You will work across Red Hat/CentOS/Fedora, VMware, and scripting challenges while maintaining documentation and participating in releases.

The role blends operational support with security responsibilities in a Belgian setting, offering growth within a dynamic tech consulting group.

Qualifications

• Bachelor’s or Master’s degree in IT, Computer Science, Engineering, or related field.
• Minimum 5 years of experience as a Linux System Administrator or Infrastructure Engineer.
• Experience managing enterprise Linux environments; security, patch management and monitoring.

Responsabilités

• Install, configure, maintain, and upgrade Linux servers and operating systems.
• Manage and support Red Hat, CentOS, and Fedora environments.
• Perform OS updates, patching, and lifecycle management.
• Monitor system performance, availability, and capacity.
• Investigate and resolve infrastructure incidents and issues.
• Support software deployments and upgrades in production environments.
• Maintain and improve system documentation and procedures.
• Manage virtualized environments using VMware technologies.
• Provide second-line technical support for servers and infrastructure.

Connaissances

Linux administration

System hardening

Server patching

Networking fundamentals

Scripting (Bash/Python)

VMware ESXi/vCenter

Formation

Bachelor’s or Master’s degree in IT/CS/Engineering

Outils

VMware ESXi & vCenter

Git

Databases

Description du poste

Responsibilities

• Install, configure, maintain, and upgrade Linux servers and operating systems.
• Manage and support Red Hat, CentOS, and Fedora environments.
• Perform operating system updates, patching, and lifecycle management.
• Monitor system performance, availability, and capacity.
• Investigate and resolve infrastructure incidents and technical issues.
• Support software deployments and upgrades in production environments.
• Maintain and improve system documentation and operational procedures.
• Manage virtualized environments using VMware technologies.
• Provide second-line technical support for servers and infrastructure components.
• Participate in production releases, maintenance windows, and go-live activities.
• Manage user access, permissions, and system security settings.
• Support backup, recovery, and disaster recovery procedures.
• Proactively identify security risks and recommend mitigation actions.
• Collaborate with application, infrastructure, and support teams to ensure stable operations.

Your Responsibilities

• Install, configure, maintain, and upgrade Linux servers and operating systems.
• Manage and support Red Hat, CentOS, and Fedora environments.
• Perform operating system updates, patching, and lifecycle management.
• Monitor system performance, availability, and capacity.
• Investigate and resolve infrastructure incidents and technical issues.
• Support software deployments and upgrades in production environments.
• Maintain and improve system documentation and operational procedures.
• Manage virtualized environments using VMware technologies.
• Provide second-line technical support for servers and infrastructure components.
• Participate in production releases, maintenance windows, and go-live activities.
• Manage user access, permissions, and system security settings.
• Support backup, recovery, and disaster recovery procedures.
• Proactively identify security risks and recommend mitigation actions.
• Collaborate with application, infrastructure, and support teams to ensure stable operations.

Technical Skills

• Strong experience with Linux administration, preferably Red Hat, CentOS, and Fedora.
• Good knowledge of system hardening and IT security best practices.
• Experience with server patching and maintenance.
• Good understanding of networking concepts, including:
  • TCP/IP
  • DNS
  • VPN
  • Firewalls
  • Routing and switching
• Experience with monitoring tools and infrastructure troubleshooting.
• Knowledge of VMware ESXi and vCenter.
• Experience supporting enterprise server environments.
• Familiarity with scripting using Bash, Python, or similar technologies.

Nice to Have

• Experience with Nagios or Zabbix.
• Knowledge of databases.
• Experience with Git.
• Understanding of application hosting environments.
• Experience working in highly available or critical production environments.

Required Experience

• Bachelor’s or Master’s degree in IT, Computer Science, Engineering, or a related field.
• Minimum 5 years of experience as a Linux System Administrator or Infrastructure Engineer.
• Experience managing enterprise Linux environments.
• Experience working with security, patch management, and system monitoring.

Soft Skills

We are looking for someone who:

• Works in a structured and accurate manner.
• Pays attention to detail.
• Has strong troubleshooting and analytical skills.
• Is proactive and solution-oriented.
• Communicates clearly with both technical and non-technical stakeholders.
• Works effectively both independently and within a team.
• Maintains high-quality documentation.
• Remains calm under pressure.
• Demonstrates a strong sense of ownership and responsibility.
• Is customer-focused and service-minded.

Additional Information

• Occasional evening, night, or weekend work may be required during maintenance activities or major releases.
• Limited travel within Belgium may be requested.
• The role combines operational support, infrastructure management, and security responsibilities.

Naast een vast (open) contract met een aantrekkelijk, op maat gemaakt salaris, bieden wij u:

• Maaltijdvouchers van €8 per werkdag;
• Een vaste onkostenvergoeding;
• Bedrijfsauto en brandstofpas;
• Ziekenhuisopname en groepsverzekering;
• Eco-vouchers tot maximaal €250 per jaar;
• De kans om een groot netwerk op te bouwen;
• De mogelijkheid om je ervaring en kennis te delen met andere TEC-consultants.

Deze opdracht kan ook als freelancer worden uitgevoerd: Betalingstermijn van 30 dagen na factuurdatum

HOUSE OF ABY :

a unique playground for our talents !

The HOUSE OF ABY Group brings together 10 complementary brands within a single ecosystem, covering a variety of sectors such as aeronautics, digital, nuclear, pharmaceuticals and railways. This diversity makes HOUSE OF ABY a true professional playground, offering our consultants and Business Partners the opportunity to evolve in environments, professions and projects with multiple challenges.

Thanks to this multi-brand organisation, everyone can build a tailor-made career path, develop their expertise, explore new areas and work on high value-added projects, while benefiting from the strength and synergies of a structured Group.

Joining HOUSE OF ABY means becoming part of a dynamic Group that trusts its teams and gives them the means to perform, grow and succeed.

Area of expertise :

• Industrial engineering
• Construction & inspection
• Pharmaceutical & chemical industries
• IT & Telecom
• Project management & PMO

Sectors:

• Petrochemicals
• Construction & Industry
• Life Sciences
• Digital & Telecom

Equal opportunities

• No barrier should hold back talent ! Dedicated to equal opportunities, our Group embraces an inclusive approach: every position is open to all, and we actively support the integration of people with disabilities.

TEC is a leading technical consulting firm in the Benelux, bringing together more than 300 experts and over 30 years of experience to support large‑scale projects in petrochemicals, construction & industry, life sciences and digital & telecommunications.

Its consultants integrate directly into client teams, providing operational expertise in complex technical environments.