Job Details

Experienced System Administrator - Infrastructure - Network and Securi

Inavise Tech
Brussel, Belgium

Do you have 5+ years of experience as a system administrator for Network and Security? Do you have relevant certificates? Are you looking to be based in Brussels? Apply now for a long-term contract opportunity starting ASAP!

Requirements/Technical Skills:

  • Fluent English

  • University degree (bachelor or masters)

  • 5+ years of experience

  • Excellent knowledge of network administration (WAN-LAN)

  • Cisco network devices/services (eg Routers, Switches etc: VLANs, ACLs, VPNs etc)

  • F5 LB, AFM, basic APM, F5 LTM clusters

  • Cisco Nexus Switches (eg VLANS, HSRP, DHCP Relay,BGP, OSPF, etc)

  • Juniper & Palo Alto Firewalls, Panorama, UID etc.

  • Very good knowledge of Scripting languages (Powershell, Bash, Python, CLI, Perl, etc)

  • Proven knowledge of working hands-on with Cloud Services and hybrid setups (integrating on premise and various Cloud Services)

  • Proven knowledge of working in complex/segregated network environments

  • Knowledge on network/server virtualization

  • Network security knowledge

  • SD-WAN knowledge

  • Proven experience in various service configuration (complete deployments including/taking into account the service security and high availability/load-balancing related aspects)

  • Extensive knowledge of Splunk;

Certifications (min 2 required):

  • CCDP/CCNP, CCNA, CCDE/CCIE, CCAr or relevan to certifications of F5, Juniper, Palo Alto/SANS certification

  • Network Security related certifications.

  • Splunk related Certifications

  • SD-WAN related Certifications

As a Senior System Administrator you will have the following tasks:

  • End to end Implementation of architected solutions following a Low level design provided by the architects

  • Offer support and technical consultancy for the ongoing projects.

  • Implementation of changes related to the delivery of various solutions as part of a project but following the ITIL processes

  • Deliver quality and detailed documentation related to the implemented services which cover but are not limited to Installation and configuration Guides, Operational procedures, various other service related mandatory documentation

  • Drafting operational guidelines, procedures, installation notices and scripts for the integration, installation and upgrade of aforementioned component services;

  • Perform knowledge transfer, service handover to operations and offer assistance with roll-out of new ICT infrastructure projects;

  • Operate in accordance with the defined ITIL processes and procedures;

  • Intervention on ICT infrastructure (Routers, Switches, Firewalls, F5 LB, etc);

  • Development of scripts for automation of tasks and deployments

  • Collaborate with external technology architects and engineers (QTM) and assist them in delivering the solutions within the client's context

As part of the Operational team you can be asked to:

  • Perform daily, weekly and monthly operational tasks;

  • Participate in the 2nd line support, Problem Management and on-call standby service;

  • Debugging and analysing of reported problems and escalated incidents;

  • Intervention on ICT infrastructure (Routers, Switches, security devices, F5etc)

  • Perform operational management of the ICT network environment for HQ and Delegations:

  • Performing backup/restore operations of network device configurations;

  • Development of scripts to improve central management and control facilities (central alerting, central logging, central security polices implementation ...).

  • Serve as technical lead for planning, assessing, implementing and/or migrating of the production environment for HQ and Delegations.

  • Preparation and test of new reference configurations (CRB) for any supported hardware; integration & testing of new software versions, service packs, configuration changes.

  • Validation and testing of new procedures before release.

  • Network administration & debugging tasks.

  • On-site installation/migration/repair missions in delegations.

  • Writing operational guidelines for the system administrators.

Nice to haves:

  • Experience in working with monitoring tools (Nagios, Solarwinds)

  • Expertise in Cloud network related services/technologies (AWS/Azure)

  • Experience with Fireye

  • Agile/Scrum experience/knowledge

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