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Orange Business Services - Senior Security, Network & Telecom Engineer

Job summary


The Security, Network and Telecom Engineer takes the technical lead in Security and Networking projects and Changes. He or she is responsible for the technical design, the configuration,implemenation and testing of the infrastructure. The security and network engineer will also take part in the incident management process and this as second or third line for specific security and network incidents.




  • Incident Management:
    • Second line and Third line Support on complex incidents
    • Trace and resolve security/network incidents.
    • Coordinate complex incident resolution processes.
    • Open cases with the supplier .
    • Documenting the root cause, impact, resolution steps, regression tests and lessons-learned.
  • Configuration Management: Define infrastructure devices configurations, define backup and restore policies; define disaster recovery policies.
  • Service Level Management (Slm), ticketing, follow-up and escalation to suppliers:
    • Dispatching problems to the appropriate internal or external suppliers and underpinning contractors
    • Monitor and follow-up opened cases with the supplier
    • Escalate incidents to Infrastructure Management and supplier management  when SLA timers are reached.7
  • Change management:
    • Administer, prepare (Cab meeting), implement and follow-up complex changes on network and security infrastructures.
    • Tuning and pro active optimizations on network and security infrastructures.
    • Documentation and creation of procedures for recurrent changes in order to handover the change execution to all members of the network & security team
  • Documentation, procedures and work instructions:
    • Producing and maintaining full documentation on network, Firewall and security set-up, operations and Support.
    • Support teams for aspects of network/security/Telecom monitoring/analysis: drafting specifications; working implementation and test plans; piloting and prototyping, quality assurance; security assessments.
    • Scripting and automation of procedures for operations and follow-up
  • Service Requests: Advanced technical Support for Service Requests.
  • Project Work:
    • Be able to take up the role of technical lead for large projects.
    • The technical lead is responsible for the overall design of the project.
    • The technical lead will do the implementation himself or supervise the implementation of the infrastructure. He or she is also responsible for the technical test plan and for setting up the operational management of the infrastructure.
  • In case that third party suppliers are involved in the project the technical lead will:
    • Write and define the technical scope
    • Supervise the technical implementations of the third party
    • Supervise and verify the technical testing
    • Make sure that a correct monitoring and operational management is implemented.
  • For small projects the Senior security/network engineer can also take up the role of Project Manager/ co-ordinator.



  • Cabling knowledge : copper and  fiber technologies
  • Basic Telecom provider knowledge : pstn, isdn , Pra, XDSL, ..
  • Network experience :  
    • routers , WIFI, switches , preferably Cisco and Huawei (catalyst switches/routers , wireless controllers and access points , nexus, ..)
    • knowledge and experience with Nexus is a plus.
    • advanced knowledge of routing protocols : BGP, OSPF,...
  • Security experience :
    • Advanced knowledge and experience with Checkpoint
    • Checkpoint cerfications like Ccsa and/or Ccse are a plus
    • Knowledge of Z-scaler is a plus
    • Knowledge of Qualys is a plus
    • Knowledge of Kemp load balancers is a plus
    • Knowledge of setting up and maintaining  VPN's
    • Knowledge of Meraki VPN's is a plus
  • Basic knowledge of telephony systems (PBX, Digital , Dect, IP), preferably Alcatel
  • Experience/knowledge of video conferencing systems preferably Polycom (Vbp, Dma , Rmx, Hdx7000/8000 series) is a plus
  • ITIL
  • Knowledge of Server technology (Microsoft , linus , hyper V , ..)
  • Languages : be able to communicate in Dutch , French and English
  • Stress resistent
  • Flexible
  • Planning
  • Personal time management
  • Management  of suppliers and providers
  • Documentation
  • Reporting

Beschrijving bedrijf

Orange Business Services manages and integrates the complexity of international communications, for multinational companies (B2B), freeing our customers to focus on the strategic initiatives that drive their business. Our extensive experience and knowledge in global communication solutions, together with our understanding of multinational business and local support in 166 countries and territories, ensure that our customers receive a consistent, global solution wherever they do business.

Worldwide, Orange Business Services stands within the Top 10 service companies:
- +3,000 multinational clients
- 100,000+ Cloud Pro customers
- +2 million business clients, SMB's and companies in France
- mobile telephone networks in 29 countries
- telepresence in 104 countries
- 5 major service centers: Brazil, Egypt, France, India, Mauritius

And is a recognized market leader: « world communication awards »
- Best Global Operator 2006, 2007, 2008, 2009, 2012,2013
- Best Enterprise Service for our Hybrid Network service Business VPN Hybrid, 2014
- The User's Choice Award, 2015

In Belgium, Orange Cyberdefense represents the MSSP (Managed Security Services Provider) business unit and offers fixed price projects, managed services and consultancy.
Since 1998, Orange Cyberdefense Belgium leverages its experience and knowledge to provide premium grade services for both networking and security services to multinational companies.
We provide flexible solutions, geared towards customers requiring high quality solutions and focus on international environments, providing around the clock support.

From our operational center, located in the Brussels Area, we take over the burden of daily operations and optimization of our customers' security infrastructure.
Strong Service Level Agreements warrant the secure and unconstrained networks that are needed in today's business environments.

High quality service delivery is etched in our DNA and anchored in our organization by several standards and frameworks; ITIL, ISO 9001, ISO 27001. All personnel are security cleared.

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