At E-Frontiers we're on the lookout for a Network & Voice engineer to join a consultancy company based in several european regions.
- Oversee daily operational support for network and voice services, resolving incidents, fulfilling service requests, and managing escalations. Perform advanced diagnostics and coordinate with Level 3 engineers and external vendors to address complex technical challenges.
- Administer and support VoIP and CCaaS solutions, including Genesys Cloud CX and Microsoft Teams telephony. Manage SIP, RTP, SBCs, dial plans, call routing, and contact center workflows to maintain service availability and voice quality.
- Maintain and troubleshoot enterprise connectivity across LAN/WAN, SD-WAN, MPLS, BGP, VPN, wireless, and security environments, supporting both on-premises infrastructure and cloud-based services.
- Analyze network and voice performance, optimize QoS configurations for real-time communications, contribute to capacity planning, and implement proactive measures to prevent service degradation.
- Implement network and voice infrastructure changes, upgrades, and small-to-medium-scale projects, ensuring smooth deployments and contributing to the evolution of existing platforms.
- Collaborate with engineering teams, service providers, and business stakeholders to resolve complex issues, maintain technical documentation, streamline operational processes, and drive continuous service improvement.
Required skills
Strong technical background in enterprise networking, including routing and switching, SD-WAN, MPLS, BGP, VPN, wireless technologies, and network security, with hands-on experience diagnosing and resolving complex connectivity issues.
Experienced in voice and unified communications technologies, covering SIP, RTP, SBC, dial plan configuration, call routing, QoS, telephony troubleshooting, and contact center workflows, alongside CCaaS platforms such as Genesys Cloud and Microsoft Teams telephony.
Skilled in managing operational incidents, performing root cause analysis, monitoring service health, and troubleshooting issues across Level 2 and selected Level 3 scenarios, with the ability to work autonomously and support critical incident resolution.
Effective in coordinating technical activities, maintaining clear documentation, and communicating with stakeholders, while working closely with senior engineers, third-party providers, and cross-functional teams to implement solutions and improve service delivery.
Conditions
- Initial 12 month contract as freelancer
- Daily fee: around 300-350€
- Location: Lisbon - hybrid (2-3)