Expert Network/VoIP

Manage Teams Telephony: call routing, SBC configuration, SIP trunking, number assignment.

Monitor call quality and troubleshoot QoS and voice related issues.

Coordinate with telecom operators for SIP services, number management, and incident resolution.

Administer Fortinet firewalls (FortiGate): policies, NAT, VPN IPSec/SSL, security profiles.

Configure and maintain Cisco switches/routers: IOS upgrades, security hardening, troubleshooting.

Conduct vulnerability mitigation actions and follow remediation plans.

Monitor logs, alerts, and network flows via supervision platforms.

Manage relationships with telecom providers (Internet, WAN/MPLS/SD WAN, SIP).

Follow up on incident tickets, SLAs, escalations, and service delivery.

Support technical discussions and planning for network changes or upgrades.

Contribute to cloud network design and operations:VNet, Subnets, VNet PeeringNSG/ASGVPN Gateway, Site-to-Site VPN, ExpressRouteAzure Firewall & routing (UDR)

Collaborate with cloud teams on hybrid environments, interconnections, and security hardening.

Produce technical documentation: network diagrams, configuration guides, procedures, runbooks.

Maintain inventories and CMDB accuracy.

Contribute to network standards, best practices, and continuous improvement initiatives.

Updated network configuration documentation and diagrams.

Firewall policies, VPN configurations, and security rule updates.

Troubleshooting reports, RCA (root cause analysis), and incident documentation.

Monitoring dashboards and operational performance reports..

Minimum 4 years of hands-on experience in LAN/WAN network administration.

Strong expertise with Cisco and Fortinet switching/routing (VLANS, STP, OSPF, BGP).

Practical experience with Fortinet (FortiGate) firewalls: configuration, policies, VPN.

Practical experience with Forti Manager

Solid operational experience with Microsoft Teams Telephony (SBC, SIP, routing, QoS).

Experience managing datacenter network infrastructures.

Experience with telecom operators (WAN circuits, fiber, SIP trunks, SLAs).

Knowledge of network vulnerability management and remediation practices.

Good understanding of Azure networking: VNet, NSG, VPN, ExpressRoute, UDR.

Experience using network monitoring tools (PRTG, SolarWinds, etc.).

At Teciem, we believe that our strength comes from the diversity of our people. Different perspectives, backgrounds, and experiences fuel our innovation and help us build solutions that truly make a difference in the world of financial technology.

We’re committed to creating a workplace where everyone feels respected, heard, and empowered to grow. Here, you can bring your whole self to work, contribute your unique ideas, and be part of a team driven by shared ambition.

We welcome talent from all walks of life and encourage applications from individuals of all genders, races, ages, abilities, identities, and beliefs. Together, we’re shaping a culture where diversity isn’t just celebrated — it’s essential to our success.