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Senior Linux System and Network Engineer (RedHat)

Experis | Brussels | Permanent, Full-time

Published on 17 days ago

Senior RedHat Linux System & Network Engineer

We work together with a very interesting client in the city center of Brussels (easy accessible by train).

They have an interesting organization which is part of joint venture between 2 large organizations. Even though they have all the benefits and a typical large network of a large organization, the company with +/- 60 employees has a start-up mindset with an open-door/ open-communication policy and a flat hierarchy company structure.

Currently they are searching for a Senior RedHat Linux System & Network Engineer to reinforce their team.

Senior Linux System and Network Engineer (RedHat)

Job description


  • The Systems and Network Administrator is responsible for effective creation, installation and configuration, operation, and maintenance of network elements and systems for the service of the organization, deployed as a software as a service in a virtual data center
  • The System and Network Administrator participates in technical research and development to enable continuing innovation within the infrastructure, at all levels excepting the application itself - from network design to system administration, VM deployments and monitoring tools.
  • He/she ensures that operating systems and network, software systems, and related procedures adhere to our security policies and organizational values.
  • Establishes systems and network specifications by conferring with the architect and operation team, analyzing workflow, access, information, and security requirements; designing system infrastructure; designing router administration, including interface configuration and routing protocols
  • Establishes systems by planning and executing the selection, installation, configuration, and testing of the VM, software, and operating and system management systems; defining system and operational policies and procedures.
  • Establishes network by evaluating network performance issues including availability, utilization, throughput, good put, and latency; planning and executing the selection, installation, configuration, and testing of equipment; defining network policies and procedures; establishing connections and firewalls
  • Maintains systems performance by performing system monitoring and analysis, and performance tuning; troubleshooting system software and operating and system management systems;
  • Designing and running system load/stress testing; escalating application problems to the Infrastructure as a Service provider.
  • Maintains network performance by performing network monitoring and analysis, and performance tuning; troubleshooting network problems; escalating problems to the IaaS provider.
  • Secures network by developing network access, monitoring, control, and evaluation; maintaining documentation
  • Secures systems by developing system access, monitoring, control, and evaluation; establishing and testing disaster recovery policies and procedures; completing back-ups; maintaining documentation.
  • Upgrades system and network
  • Accomplishes organization goals by accepting ownership for accomplishing new and different requests
  • Takes part in the periodic on call duties night and WE


Required skills and knowledge:

Technical knowledge - Technical environments

  • VMware server-side virtualization solutions
  • Linux system administration, in particular RedHat and/or Ubuntu Server
  • Apache, nginx, haproxy configuration
  • High-availability methods and software (keepalived, …)
  • IPv4 routing and configuration (including traffic shaping), VPNs (IPSec, OpenVPN…)
  • Network security (design, tools)
  • Configuration management (Puppet…)
  • Log management and tools (ELK stack…)
  • Centralized authentication management (FreeIPA, Kerberos…)
  • Network monitoring
  • Security tools (IPS, IDS…)
  • Scripting (preferably Python)
  • Knowledge in Oracle database administration, Solaris administration, WebLogic administrator will be greatly appreciated.
  • Basic Windows administration

Qualifications and experience

  • Relevant degree or equivalent experience
  • System Administration and network engineering

Soft skills

  • Leadership
  • Communicate clearly and appropriately
  • Ability to work and interact effectively in a multi-cultural team.
  • Innovative - Suggest new technologies and/or methods to improve our service and daily jobs
  • Work management - Plan and manage your work efficiently
  • Teamwork - A good team works as one - locally, globally
  • Positive attitude
  • Customer focus - Our customers are the reason for our existence
  • The values and the goals of the organization drive your behavior


Fluent in both French and English (spoken and written)


Our client offers

  • A permanent contract within the company as from day 1 with a competitive salary package (company car with fuel card, full health insurance, travel insurance, bonus, …)
  • The opportunity to further advance your career within the company
  • A healthy work-life balance (flexible hours and the possibility of partial remote work)
  • 28 days of holidays per year (based on full year of work experience in the previous year)

Are you interested to learn more about this opportunity?

Don't hesitate and apply now!


Experis Belgium
Catherine Heylen


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  • Function type: Maintenance technician
  • Sector: ICT, Telecom and Internet
  • Brussels
  • All jobs via Experis


  • Academic Bachelor


  • Permanent
  • Full-time

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