#NC25CEC181470-3 - CSU Brussels_Network Voice Specialist - Closed
Deadline: September 30, 2025
Requester: NATO
Location: Brussels, Belgium
Job type: Contractor
Start date: November, 2025
Security clearance: NATO SECRET
SCOPE OF WORK / DUTIES / ROLES
- Provides first and second line voice support to the Service Centre;
- Performs diagnoses and resolve voice incidents and problems;
- Monitors voice systems and proactively reports and resolves potential voice issues;
- Performs software patching of Skype For Business (SFB) and Session Border Controller systems (SBC);
- Works outside office hours or on weekends as required;
- Seeks recommendations from his/ her superiors for technical solutions;
- Maintains liaison with other CSU internal units, Service Lines and other technical organizations;
- Creates and maintains Standard Operating Procedures and documentation of the supported Unified Communications systems;
- Assists with and implements assigned project work packages;
- Works with limited supervision;
- Coordinates and conducts own work to meet quality targets;
- Performs other duties as may be required.
REQUIRED SKILLS, KNOWLEDGE AND EXPERIENCE
- Higher vocational training in a relevant discipline with 2 years post-related experience or a secondary educational qualification with 4 years post-related experience;
- At least 3 year experience in a similar position;
- At least 3 year experience with operation, deployment and configuration of Unified Communications systems such as Microsoft Lync or Microsoft SFB;
- Experience with Voice SBC systems;
- A good knowledge of protocols and standards utilized in VoIP and SFB;
- SIP, TLS, MGCP, H.323, RTP (incl. G.711, G.729 codecs), and other similar standards;
- Experience in utilizing SFB and SBC toolkits for troubleshooting purposes;
- Experience with device monitoring tools such as Microsoft SCOM, ZABBIX and provide reporting and identifying devices that aren't functioning properly;
- Experience with O&M of PABX systems;
- Experience with Polycom provisioning systems and Polycom phones;
- Experience with Microsoft PowerShell;
- Knowledge and experience with Alcatel PABX systems;
- Knowledge and experience with AudioCodes SBCs;
- Experience with Active Directory, GPOs and PKI certificates;
- ITIL certificate;
- Prior experience of working in an international environment comprising both military and civilian elements;
- Knowledge of NATO responsibilities and organization.
This position is now closed.
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