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Senior Linux System Engineer



August 21, 2023


The Reactis Group is looking for a Senior Linux Systems Engineer for a pre-employment position in the security sector in Aix-en-Provence. Salary negotiable from 55K depending on profile + bonuses, benefits and partial teleworking.

Graduated from a computer engineering school or equivalent Bac+5, you have at least 10 years experience in this type of position within an IT department.

You will join the IT & NETWORK Department of the Technical Division, which is responsible for designing and administering the Production Information System for sensitive projects, and for supporting business projects.
As a Linux systems engineer, you will design, integrate and operate IT resources, hardware and software, maintain the protected IS in operational and security conditions, and participate in the support of business teams.

On a daily basis, your main tasks will include:

  • Design and develop IT infrastructures in the Linux environment, covering all phases from design to deployment
  • Ensure the smooth running, availability and security of the IS (MCO/MCS)
  • Deploy and maintain Linux and Windows servers and workstations,
  • Provide N2 and N3 support for CS IT and business environments
  • Draft procedures, integration files, etc., and maintain the documentation repository.
  • Administer security bricks (antivirus, system security packages, etc.) and update software,
  • Analyze incidents and implement corrective measures.

Technical environment:

  • Linux/OpenSource environments
  • CentOS, RHEL, Fedora,
  • RHEV, oVirt, LibVirt, Ansible, KixStart,
  • Bash, Python,
  • Windows Client/Server environments
  • DELL hardware

Functional environment :

  • Functional and technical analysis,
  • Drafting of documents (integration file, DAT, drawings, etc.)

Qualifications required


Ideally from a computer engineering school or equivalent with 5 years' higher education, you have at least 10 years' experience in this type of position within an IT department.

You wish to invest yourself in a team that will accompany you throughout the project in your rise in skills and your evolution.



CDI statut cadre | Rémunération négociable à partir de 55K€ selon diplôme et expérience | Prime vacances | Primes de cooptation | 11 RTT + 2 jours de congés supplémentaires par an sans condition d'ancienneté | Carte tickets resto à 9€/jour | Participation transport, mutuelle familiale, prévoyance, frais d'activité sportive ou culturelle | CSE

Partial teleworking (1 day a week)

Starting date: Asap

You live in another region and wish to move to the south? We offer financial and administrative support for your move.


Min 55K € gross per year

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