Service Assurance Engineer

GTT

. Provide break/fix support across GTT's global network .

Posted 10/2/2026full-timeRemote • CzechiaJuniorMid-LevelWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in troubleshooting and fault diagnosis within telecommunications environments, with a strong focus on SD-WAN, Security, and SASE technologies. Proficient in configuring network devices and maintaining operational best practices while ensuring effective communication and documentation.

Highest-signal resume keywords

Troubleshooting And Fault-DiagnosisSD-WAN, Security, And SASE TechnologiesBGP, OSPF, ISIS, And EIGRPLayer 2 Technologies Including VLANs, STP, And LACPCCNA, JNCNA, Fortinet FCA, Or Palo Alto PCNSA/PCCSA

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

TroubleshootingFault-DiagnosisSD-WANSecuritySASE TechnologiesBGPOSPFISISEIGRPLayer 2 Technologies

Soft Skills

CommunicationCustomer ServiceProblem-Solving

Tools & Technologies

Cisco IOSJuniper JUNOS

Certifications & Qualifications

CCNAJNCNAFortinet FCAPalo Alto PCNSAPalo Alto PCCSA

Industry Keywords

TelcoService ProviderNOCService OperationsMPLSL2VPNL3VPN

Tech Stack

Tools & technologies

iOS

About the role

Key responsibilities & impact

Provide break/fix support across GTT's global network
Own and drive incidents through to successful resolution
Perform technical validation, troubleshooting, and escalation management
Work closely with customers, vendors, and internal teams to resolve service issues
Configure network devices and support service migrations
Proactively identify recurring issues and drive preventative actions
Maintain accurate documentation and customer communications
Ensure operational procedures and best practices are followed

Requirements

What you’ll need

2+ years of experience in a Telco, Service Provider, or similar environment
Strong troubleshooting and fault-diagnosis skills
Experience with SD-WAN, Security, and SASE technologies
Good understanding of BGP, OSPF, ISIS, and EIGRP
Experience with Layer 2 technologies, including VLANs, STP, and LACP
Knowledge of MPLS, L2VPN, and L3VPN services
Strong communication, customer service, and problem-solving skills
Cisco IOS and hardware experience (nice to have)
Juniper JUNOS experience (nice to have)
Certifications such as CCNA, JNCNA, Fortinet FCA, or Palo Alto PCNSA/PCCSA (nice to have)
Experience in a NOC or Service Operations environment (nice to have)
Ability to work extended business hours

Benefits

Comp & perks

Remote working model
Adaptive mindset: A fast‑moving, start‑up‑style environment that encourages learning and innovation
Collective impact: Close collaboration with product, engineering, and operations teams
Customer ownership: Delivering stable, secure network platforms customers depend on
Inclusion, fairness, and equal opportunity