Linux Security Expert

ITS Group Benelux; Brussel; Sur place; EUR 70 000 - 110 000; Plein temps

Avantages offerts par ce poste

Hospitalisation insurance

Group insurance

Company car with national fuel card

Internet fee € 40 per month

Training plan (e‑learning)

Résumé du poste

ITS Group Benelux in Belgium seeks a seasoned Linux Security Expert to secure critical infrastructure, manage identity services (LDAP, Kerberos), and support large-scale cloud transformation in an Agile setting.

You will work with Red Hat IdM, perform OS hardening, and develop automation with Bash/Perl/Ansible while collaborating with international teams to ensure security posture and incident response.

Qualifications

• 7+ years of IT experience and security focus.
• Fluent in English; French or Dutch is a plus.
• RHCE or equivalent security cert valued.
• Ability to work autonomously and in teams.

Responsabilités

• Manage lifecycle and security of key assets (Red Hat IdM, monitoring tools, in-house security solutions).
• Perform Linux OS hardening and manage Identity services (LDAP, Kerberos).
• Monitor security events and mitigate risks proactively.
• Provide L3 support and incident response for auth and vulnerabilities.
• Contribute to cloud migration and infrastructure recovery.
• Support risk, vulnerability management, audits, and reporting.
• Develop automation scripts and security tools (Bash, Perl, Ansible).
• Collaborate with international teams in Agile environments.
• Participate in on-call rotation and ensure continuity.

Connaissances

Red Hat security

Red Hat IdM

Kerberos

Scripting: Bash/Perl/Ansible

IAM solutions

Security monitoring

Vulnerability risk mgmt

English fluent

RHCE cert

Autonomy & teamwork

Outils

Ansible

Elastic/ELK

CyberArk

AIX

Windows security

Description du poste

About Us

For more than 25 years, ITS Group has been a French ESN specializing in digital transformation, employing around 1,400 employees across 8 agencies in France and 1 in Belgium.

Our expertise: IT infrastructure & operations, cloud & managed services, mobility, workstations & networks, strategy, consulting & AMO, cybersecurity, development of business applications.

ITS Group places its CSR commitment at the heart of its concerns by developing sustainable and responsible digital technology and by promoting the professional and personal development of its employees.

Find out more: www.itsgroup.com

About the Job

Great assignments await you with our key account clients in rich and varied environments. We are looking for a seasoned Linux Security Expert to join a dynamic IT production environment operating in Agile mode. You will play a key role in securing critical infrastructure, managing identity services, and contributing to large-scale cloud transformation initiatives in a highly collaborative and multicultural setting.

Responsibilities

• Manage lifecycle and security of key assets such as Red Hat IdM, monitoring tools, and in‑house security solutions
• Perform Linux OS hardening and manage Identity services (LDAP, Kerberos)
• Monitor and analyze security events, ensuring proactive risk mitigation
• Provide L3 support and incident response for authentication, authorization, and vulnerability issues
• Contribute to cloud migration projects and critical infrastructure recovery initiatives
• Support risk & vulnerability management, audit campaigns, and reporting activities
• Develop and maintain automation scripts and security tools (Bash, Perl, Ansible)
• Collaborate with international teams and stakeholders in an Agile framework
• Participate in on‑call rotation and ensure operational continuity

Skills & Qualifications

• Strong expertise in Red Hat Linux security
• Hands‑on experience with Red Hat Identity Management (IdM) and Kerberos MIT
• Solid scripting skills (Bash, Perl, Ansible)
• Knowledge of IAM solutions, CyberArk, and Elastic/ELK is a plus
• Understanding of AIX and Windows security is advantageous
• Experience in security monitoring, vulnerability & risk management
• Fluent in English (French preferred, Dutch optional)
• RHCE certification is highly valued
• Proven ability to work autonomously and in team environments

Salary

Salary conform to experience.

About You

• You have at least 7 years of professional experiences in IT
• Fluent in English; French or Dutch is a plus
• You’re eager to learn, motivated and curious
• Let’s have a chat!

Process

• 1st pre‑screening on the phone to discuss your search and conditions and our first potential opportunities matching.
• Job descriptions sent and Teams meeting fixed with us (HR and Sales) to dig into your experience and the role.
• Package proposal so we all agree beforehand.
• Your CV is sent to the different clients you’ve agreed to, to find the best mission for you!

Benefits

• Hospitalisation insurance (partner/children incl.)
• Group insurance
• Dental insurance (partner/children included)
• 20 days statutory paid vacations (legal vacations cumulated for 1 year of work)
• 11 days recovery time work 38/40 per year (= annual average: 1 day per 20 days worked) if the client asks you to work 8h/day
• Representation fee net per month.
• Internet fee of € 40 per month.
• Company car with national fuel card OR Public transport reimbursed OR mobility package.
• Daily fee of € 5.50 net /day provided.
• Subscription GSM unlimited calls for Belgium (ITS subscription)
• Training plan (e‑learning - certification at ITS charge)

Extra Advantages

• Being a rather small team in BE (6 in back‑office), we’re very close to each of our consultants and we differentiate ourselves trying to really take care of you and make you grow with us and within our different clients.
• Regular follow‑up (every 3 to 6 months depending on your needs/will)
• Regular teambuilding to meet‑up and have fun (every 3 months more or less)
• Flexibility and trust
• Benefits of still being part to a bigger group (ITS Group) and having access to resources and of a larger team of Experts
• Co-optation system because sharing is caring!