Senior Operations Engineer, Network Solutions

GTT

Technical support engineer for GTT’s international customer base in Network Services and Security fields. Resolving complex technical incidents and managing client projects to ensure service satisfaction.

Posted 6/19/2026full-timeRemote • 🇧🇬 BulgariaSeniorWebsite

Tech Stack

Tools & technologies

LinuxUnixVoIP

About the role

Key responsibilities & impact

3rd level of technical support for the GTT client base – Network Services & Security fields
Work on complex technical incidents and client projects
Break/fix support for customer services, across GTT’s international network
Own incidents, resolve them swiftly and drive through to final fix, while working with customers and other internal and external teams as appropriate
Escalation to vendor support and other internal teams, to ensure prompt and satisfactory resolution of issues
Provide concise and relevant action plans for teams, to resolve network and customer issues efficiently
Communication and documentation of customer and service-specific support information
Pro-active problem management, based on technical and trend analysis, to ensure service stability
Taking preventative actions where possible
Configuration of network & security elements and migration of services
Ensure operational processes are followed and deliver best-in-class technical support, while maintaining a stable and resilient network

Requirements

What you’ll need

Minimum 5 years of experience, within operations of a Telco, Service Provider, Managed Services Provider or other similar environment
Excellent knowledge of the Telecom / SP/MSP industry, standards and products – DIA & IP Transit service, MPLS, L2VPN & L3VPN solutions, Managed Security services, etc.
Excellent fault diagnostics and troubleshooting abilities
Deep understanding and experience with routing protocols (BGP, ISIS, OSPF, EIGRP)
Deep understanding and experience with L2 technologies (VLANs, Q-in-Q, Trunks, VTP, Spanning-Tree Protocols, Aggregation/LACP)
Good understanding of network security technologies and experience with NGFWs (NAC, VPNs, DPI, IPS/IDS, Application control, Content filtering, etc.)
Good understanding and experience with other network & security related protocols and technologies is a benefit (FHRPs, DHCP, NAT, QoS, ACLs, SNMP, AAA, Tunneling/VPN solutions, VoIP, WLANs)
General knowledge of Linux/Unix based tools and operations
Expert level Cisco / Juniper knowledge & experience is a must
Good knowledge & experience with other Network/Security oriented vendors is a benefit – Fortinet, Palo Alto, Checkpoint, etc.
Experience with scripting, for performing and automating network related tasks, is a benefit.

Benefits

Comp & perks

Professional development opportunities
Flexible working arrangements

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

technical supportfault diagnosticstroubleshootingrouting protocolsBGPISISOSPFEIGRPnetwork security technologiesscripting

Soft Skills

communicationdocumentationproblem managementproactive approachincident ownershipcollaboration