Linux Security Expert

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.

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

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 Votre profil You have at least 7 years of professional experiences in IT If you are at least fluent in ENG , NL/FR is a + You’re eager to learn, motivated and curious

Pulled from the full job description Fuel card Company car Hospitalization insurance Company events, Advantages Hospitalization 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 6months 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! Processus de recrutement 1st pre-screening on the phone to discuss about 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!

En ligne depuis le 09.07.2026

Bruxelles

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.