Job Title: Senior Network Engineer - Global Labs

Project Overview

The Global Labs team provides enterprise lab environments and test infrastructure used by Engineering, TAC, Product Management, Sales Engineering, and Customer Engagement teams worldwide. This role will lead the design, maintenance, and optimization of lab network infrastructure supporting customer POCs, product testing, demos, and escalation environments.

End Product

Deliver a secure, scalable, highly available, and well-documented global lab network that enables seamless product testing, customer demonstrations, and TAC issue replication while ensuring high uptime and operational efficiency.

Must-Have Skills

  • 5-8 years of experience in Enterprise Networking, Data Center Operations, or Lab Infrastructure.
  • Strong knowledge of TCP/IP, Routing, Switching, VLANs, Subnetting, and Firewalls.
  • Hands-on experience with Cisco and/or RUCKUS networking technologies.
  • Experience with wireless networks, WLAN controllers, terminal servers, and intelligent PDUs.
  • Strong troubleshooting skills using Wireshark and network monitoring tools.
  • Knowledge of VMware ESXi, Hyper-V, or KVM environments.
  • Experience creating network diagrams, IP/VLAN plans, and technical documentation.
  • Ability to lead projects and mentor junior technicians.

Nice-to-Have Skills

  • CCNA, CCNP, RUCKUS, VMware, AWS/Azure, Network+, or Security+ certifications.
  • Experience with Ixia, Spirent, and network performance testing tools.
  • Background in vendor labs, enterprise test labs, MSP/VAR, or TAC environments.
  • Exposure to customer-facing POCs, demos, and escalation support.
  • Windows and Linux administration experience.

Key Responsibilities

  • Manage switching, routing, firewalls, wireless, remote access, and lab network infrastructure.
  • Lead network refresh, segmentation, and remediation projects.
  • Support customer demos, POCs, engineering testbeds, and TAC escalations.
  • Troubleshoot complex network and wireless issues.
  • Maintain accurate network documentation and mentor junior team members.

GCS is acting as an Employment Business in relation to this vacancy.

COMPETITIVE SALARY
Added 20/08/2026
Reference: 10124_1787246620

Other similar jobs

Network Engineer

Added 20/08/2026

Job Title: Senior Network Engineer - Global Labs Must-Have Skills5-8 years of experience in Enterprise Networking, Data Center Operations, or Lab Infrastructure.Strong knowledge of TCP/IP, Routing, Switching, VLANs, Subnetting, and Firewalls.Hands-on experience with Cisco and/or RUCKUS networking technologies.Experience with wireless networks, WLAN controllers, terminal servers, and intelligent PDUs.Strong troubleshooting skills using Wireshark and network monitoring tools.Knowledge of VMware ESXi, Hyper-V, or KVM environments.Experience creating network diagrams, IP/VLAN plans, and technical documentation.Ability to lead projects and mentor junior technicians.Nice-to-Have SkillsCCNA, CCNP, RUCKUS, VMware, AWS/Azure, Network+, or Security+ certifications.Experience with Ixia, Spirent, and network performance testing tools.Background in vendor labs, enterprise test...

Learn more

Network Engineer

Added 20/08/2026

Job Title: Senior Network Engineer - Global Labs Must-Have Skills5-8 years of experience in Enterprise Networking, Data Center Operations, or Lab Infrastructure.Strong knowledge of TCP/IP, Routing, Switching, VLANs, Subnetting, and Firewalls.Hands-on experience with Cisco and/or RUCKUS networking technologies.Experience with wireless networks, WLAN controllers, terminal servers, and intelligent PDUs.Strong troubleshooting skills using Wireshark and network monitoring tools.Knowledge of VMware ESXi, Hyper-V, or KVM environments.Experience creating network diagrams, IP/VLAN plans, and technical documentation.Ability to lead projects and mentor junior technicians.Nice-to-Have SkillsCCNA, CCNP, RUCKUS, VMware, AWS/Azure, Network+, or Security+ certifications.Experience with Ixia, Spirent, and network performance testing tools.Background in vendor labs, enterprise test...

Learn more

Network Engineer

Added 18/08/2026

We are seeking an experienced Network Engineer to support and maintain enterprise network infrastructure. The role involves managing routing, switching, firewalls, wireless networks, and connectivity solutions while ensuring network performance, security, and reliability.The successful candidate will troubleshoot technical issues, support infrastructure projects, and work closely with cross-functional teams to deliver effective networking solutions across physical and virtual environments.Requirements5+ years of experience in networking or IT infrastructure.Strong knowledge of TCP/IP, routing, switching, VLANs, firewalls, and wireless technologies.Experience with network vendors such as Cisco, RUCKUS, or similar.Familiarity with virtualisation platforms such as VMware, Hyper-V, or KVM.Excellent troubleshooting, problem-solving, and documentation skills.Relevant networking...

Learn more

Network Field Engineer

Added 14/08/2026

Primary product focus areas:Projects across Critical National Infrastructure (Energy, Water, CNI and Blue Light clients)Security Portfolio: CCTV, Access Control, Perimeter Detection, Intruder DetectionLAN Portfolio: Private IP networks, Wireless networksWAN Portfolio: Private Mission Critical IP networks, SDH Networks, VPLS/MPLS,Cyber Portfolio: IDS, IPS, FirewallingVoice portfolio: Hosted and traditional voice offerings Primary Tasks:Commission and test equipment and systems, together with associated interfacing, ensuring accurate and timely completion in accordance with provided documentationConfiguration, fault-finding and maintenance of third party equipmentWorking to preventive and corrective maintenance plans for existing and new equipment with a focus on continuous improvement.Insuring compliance with health & safety strategy. Developing...

Learn more

Network Field Engineer

Added 29/07/2026

Job DescriptionSeeking a Network Technician / Fiber Engineer to support and maintain fiber optic and telecommunications network infrastructure. This is a hands-on role involving network troubleshooting, fiber testing, equipment installation, maintenance, and service restoration activities across transport and IP network environments.Key ResponsibilitiesTroubleshoot and maintain fiber optic and telecom network equipment.Perform network testing, installation, provisioning, and maintenance activities.Support fiber transport, Ethernet, SONET, and IP network technologies.Assist with network restoration and outage response.Perform preventive maintenance on network and critical infrastructure equipment.Maintain inventory, tools, test equipment, and related documentation.Update maintenance records, work logs, and trouble tickets.Preferred BackgroundNetwork TechnicianTelecommunications TechnicianTelecom TechnicianFiber Optic TechnicianFiber EngineerOptical...

Learn more

network Engineer Optical (DWDM)

Added 24/07/2026

Network Engineer - Optical (DWDM)Dublin, Ireland | Permanent | Full-TimeJoin a Global Infrastructure Team Supporting Mission-Critical NetworksWe are seeking a Network Engineer - Optical (DWDM) to join a highly skilled network operations team supporting large-scale optical transport infrastructure. This is an exciting opportunity to work on complex, high-capacity networks that connect critical digital services across multiple regions.As part of the team, you will play a key role in maintaining network reliability, managing optical transport systems, supporting upgrades, and ensuring seamless connectivity across a large-scale production environment.What You'll Be DoingOperate and support DWDM optical transport networks over fibre infrastructureManage network events...

Learn more

Network Support Engineer

Added 23/07/2026

Network Support Engineer📍 Dublin, Ireland (Fully Onsite)Join a Leading Networking & Cybersecurity TeamAre you passionate about networking technologies and looking to build your career in a fast-paced, enterprise-scale environment?We are partnering with a leading network and cybersecurity solutions provider to recruit a Network Support Engineer to join their growing Dublin-based team. This is a fantastic opportunity to work alongside experienced engineers, supporting complex customer environments and gaining exposure to cutting-edge networking technologies.What You'll Be DoingAs part of a high-performing Network Operations Centre (NOC), you will:Provide Level 1 and Level 2 support for customer network environmentsTroubleshoot and resolve network incidents and...

Learn more

911 Network Planning Engineer

Added 08/07/2026

🚨 Hiring: 911 Network Planning Engineer II 📍 Location: Remote 📅 Duration: 12-Month ContractWe are seeking an experienced 911 Network Planning Engineer II to support the design, deployment, and optimization of mission-critical 911 and NG911 networks.Key ResponsibilitiesManage 911 DS0/DS1 and SIP circuit installations, modifications, and disconnectsSupport network planning, rehomes, upgrades, and maintenance activitiesMonitor network capacity, utilization, and resiliencyCollaborate with PSAPs, LECs, and NG911 partnersEnsure network compliance, reliability, and operational excellenceDrive process improvements and support long-term network stabilityPreferred Qualifications6+ years of experience in 911 networking, telecom network planning, or related rolesStrong knowledge of legacy 911 and NG911 architecturesExperience with TDM and...

Learn more

911 Network Planning Engineer

Added 08/07/2026

🚨 Hiring: 911 Network Planning Engineer II 📍 Location: Remote 📅 Duration: 12-Month ContractWe are seeking an experienced 911 Network Planning Engineer II to support the design, deployment, and optimization of mission-critical 911 and NG911 networks.Key ResponsibilitiesManage 911 DS0/DS1 and SIP circuit installations, modifications, and disconnectsSupport network planning, rehomes, upgrades, and maintenance activitiesMonitor network capacity, utilization, and resiliencyCollaborate with PSAPs, LECs, and NG911 partnersEnsure network compliance, reliability, and operational excellenceDrive process improvements and support long-term network stabilityPreferred Qualifications6+ years of experience in 911 networking, telecom network planning, or related rolesStrong knowledge of legacy 911 and NG911 architecturesExperience with TDM and...

Learn more

911 Network Planning Engineer

Added 08/07/2026

🚨 Hiring: 911 Network Planning Engineer II 📍 Location: Remote 📅 Duration: 12-Month ContractWe are seeking an experienced 911 Network Planning Engineer II to support the design, deployment, and optimization of mission-critical 911 and NG911 networks.Key ResponsibilitiesManage 911 DS0/DS1 and SIP circuit installations, modifications, and disconnectsSupport network planning, rehomes, upgrades, and maintenance activitiesMonitor network capacity, utilization, and resiliencyCollaborate with PSAPs, LECs, and NG911 partnersEnsure network compliance, reliability, and operational excellenceDrive process improvements and support long-term network stabilityPreferred Qualifications6+ years of experience in 911 networking, telecom network planning, or related rolesStrong knowledge of legacy 911 and NG911 architecturesExperience with TDM and...

Learn more

911 Network Planning Engineer

Added 08/07/2026

🚨 Hiring: 911 Network Planning Engineer II 📍 Location: Remote 📅 Duration: 12-Month ContractWe are seeking an experienced 911 Network Planning Engineer II to support the design, deployment, and optimization of mission-critical 911 and NG911 networks.Key ResponsibilitiesManage 911 DS0/DS1 and SIP circuit installations, modifications, and disconnectsSupport network planning, rehomes, upgrades, and maintenance activitiesMonitor network capacity, utilization, and resiliencyCollaborate with PSAPs, LECs, and NG911 partnersEnsure network compliance, reliability, and operational excellenceDrive process improvements and support long-term network stabilityPreferred Qualifications6+ years of experience in 911 networking, telecom network planning, or related rolesStrong knowledge of legacy 911 and NG911 architecturesExperience with TDM and...

Learn more

911 Network Planning Engineer

Added 08/07/2026

🚨 Hiring: 911 Network Planning Engineer II 📍 Location: Remote 📅 Duration: 12-Month ContractWe are seeking an experienced 911 Network Planning Engineer II to support the design, deployment, and optimization of mission-critical 911 and NG911 networks.Key ResponsibilitiesManage 911 DS0/DS1 and SIP circuit installations, modifications, and disconnectsSupport network planning, rehomes, upgrades, and maintenance activitiesMonitor network capacity, utilization, and resiliencyCollaborate with PSAPs, LECs, and NG911 partnersEnsure network compliance, reliability, and operational excellenceDrive process improvements and support long-term network stabilityPreferred Qualifications6+ years of experience in 911 networking, telecom network planning, or related rolesStrong knowledge of legacy 911 and NG911 architecturesExperience with TDM and...

Learn more

911 Network Planning Engineer

Added 08/07/2026

🚨 Hiring: 911 Network Planning Engineer II 📍 Location: Remote 📅 Duration: 12-Month ContractWe are seeking an experienced 911 Network Planning Engineer II to support the design, deployment, and optimization of mission-critical 911 and NG911 networks.Key ResponsibilitiesManage 911 DS0/DS1 and SIP circuit installations, modifications, and disconnectsSupport network planning, rehomes, upgrades, and maintenance activitiesMonitor network capacity, utilization, and resiliencyCollaborate with PSAPs, LECs, and NG911 partnersEnsure network compliance, reliability, and operational excellenceDrive process improvements and support long-term network stabilityPreferred Qualifications6+ years of experience in 911 networking, telecom network planning, or related rolesStrong knowledge of legacy 911 and NG911 architecturesExperience with TDM and...

Learn more

Network Engineer

Added 07/07/2026

Job Title: Network EngineerJob Description:We're seeking a skilled Network Engineer to support the nationwide deployment and maintenance of Comcast's virtual Cable Modem Termination Systems (vCMTS) and Remote PHY (RPHY) turn-ups. This cutting-edge, cloud-based vCMTS technology replaces traditional analog hardware, enabling faster speeds, improved network performance, and enhanced reliability for Xfinity customers, ensuring reliable activation of next‑generation access network (NGAN) platforms. As part of the NGAN Operations Team, the engineer will be responsible for vCMTS platform stand‑up, including software installation, system validation, network configuration, and ongoing maintenance. By shifting core CMTS functions to edge compute infrastructure, Comcast achieves greater agility, cost...

Learn more

Network Engineer

Added 07/07/2026

Job Title: Network EngineerJob Description:We're seeking a skilled Network Engineer to support the nationwide deployment and maintenance of Comcast's virtual Cable Modem Termination Systems (vCMTS) and Remote PHY (RPHY) turn-ups. This cutting-edge, cloud-based vCMTS technology replaces traditional analog hardware, enabling faster speeds, improved network performance, and enhanced reliability for Xfinity customers, ensuring reliable activation of next‑generation access network (NGAN) platforms. As part of the NGAN Operations Team, the engineer will be responsible for vCMTS platform stand‑up, including software installation, system validation, network configuration, and ongoing maintenance. By shifting core CMTS functions to edge compute infrastructure, Comcast achieves greater agility, cost...

Learn more
At least 8 characters, 1 uppercase, 1 lowercase and 1 special character or number
Your file must be a doc, docx or pdf. No larger than 5MB.