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Job Title: Senior Network Architect

Location: Dublin, Ireland (Hybrid 2 days per week)

Employment Type: Permanent

Overview

An exciting opportunity has arisen for an experienced Senior Network Architect to join a team responsible for designing and evolving enterprise network platforms across a large-scale technology environment. This role will play a key part in delivering secure, resilient and scalable network architectures supporting ongoing digital transformation initiatives.

Key Responsibilities

Define and maintain network architecture roadmaps aligned with business and technology objectives.Design and implement secure, high-availability network solutions across on-premises, cloud and edge environments.Lead the integration of network services and platforms across multiple technology domains.Provide technical governance and architectural leadership across network initiatives and operational services.Develop architecture standards, policies and best practices, with a focus on automation and standardisation.Collaborate with internal teams, external partners and key stakeholders to deliver strategic outcomes.Support resilience, business continuity and disaster recovery requirements.Act as a subject matter expert and trusted advisor on strategic networking decisions.

Required Experience

12+ years of experience in senior network engineering or network architecture roles.Strong expertise in routing, switching, WAN technologies and MPLS.Proven experience designing and delivering complex network architectures in highly available environments.Strong understanding of network security, vulnerability management and remediation practices.Experience within hybrid and cloud-connected networking environments.Familiarity with automation, operational standards and network governance.Excellent stakeholder management, communication and problem-solving skills.

Desirable Skills

CCNP, CCIE, Azure Network Engineer Associate or similar certifications.Experience with SD-WAN, Zero Trust and modern security architectures.Knowledge of network automation tools such as Python, Ansible or NetBox.Exposure to Azure, AWS or multi-cloud networking environments.Understanding of container networking, Kubernetes and modern infrastructure platforms.Experience working within large, complex or highly regulated organisations.

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

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Cloud Infrastructure Capacity Engineer | Forecasting & Automation

We're seeking a Cloud Infrastructure Capacity Engineer to help manage the growth and efficiency of a large private cloud infrastructure environment.

This is an engineering role focused heavily on capacity modeling, forecasting, infrastructure analytics, automation, and resource optimization.

You'll help bridge the gap between application teams and infrastructure management by translating business and technical requirements into infrastructure capacity plans.

The Role

You'll be responsible for helping answer critical infrastructure questions:

How much compute capacity will we need six months or years from now?Are our existing compute and storage resources being utilized effectively?When should additional infrastructure be purchased?Where can capacity be reclaimed or optimized?What infrastructure requirements should be included in future deployments?Are current capacity levels creating a potential performance or availability risk?Key ResponsibilitiesBuild and automate capacity planning and forecasting toolsCreate models to predict long-range infrastructure growthAnalyze compute and storage utilizationSupport private cloud VM and container capacity managementForecast data center requirements including power, racks, and coolingValidate infrastructure designs, procurement requirements, and bills of materialsPartner with compute, storage, and network engineersSupport infrastructure quotes, funding requests, and procurement activitiesMaintain infrastructure capacity planning frameworks and inventoryProvide recommendations around infrastructure scaling and future growthIdentify opportunities to improve infrastructure efficiency and reduce wasteSupport finance teams with future technology demand and budget planningDocument and communicate process improvementsWork across engineering teams to resolve capacity-related blockersIdeal Background3-5+ years in infrastructure engineering, capacity planning, infrastructure analytics, or a related areaExperience with cloud/private cloud environmentsKnowledge of compute platforms, virtualization, storage, and networkingExperience with forecasting, modeling, utilization analysis, or infrastructure planningStrong analytical skills and comfort working with dataExperience developing or automating tools and processesComfortable working with multiple technical teams and stakeholders

This is a strong opportunity for someone who enjoys the engineering and analytical side of cloud infrastructure and wants to work on capacity at enterprise scale.

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

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Job Description:

We're seeking a skilled Network Engineer to support the nationwide deployment and maintenance of the company'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, the company achieves greater agility, cost efficiency, and localized network intelligence. This role is pivotal to our next-generation access network (NGAN) strategy and demands deep expertise in production operations within a 24x7 environment.

Responsibilities

Perform software installation, system configuration, and network readiness validation for new vCMTS deployments.Execute standardized processes to activate and validate Remote PHY devices across national footprints.Perform system upgrades, RMA replacements, and automation tasks (Python, Bash, etc.).Identify recurring service-impacting issues and collaborate with development teams to implement long‑term fixes.Participate in on‑call rotation to troubleshoot and restore service during outages.Diagnose and resolve issues involving Juniper, Arista, or Cisco network devices.Build, replace, and troubleshoot server hardware and system software.Develop scripts to streamline operational workflows and reduce manual effort.Work with Product and Project Management teams to integrate and operationalize new NGAN products.Partner with regional engineering teams to enhance product stability and build automation tools.

Experience & Skills

5+ years of hands‑on experience in a 24×7 production operations environment.Strong proficiency in Unix/Linux environments.Experience with scripting and automation (Python, Bash, etc.).Proven ability in network troubleshooting and configuration (CCNA/JNCIA optional but beneficial).Demonstrated skill in server hardware and software troubleshooting.Familiarity with Kubernetes, Jenkins, Ansible, Git is a plus.Experience with system hardware builds and replacements.Exposure to new product integration and operational readiness processes.Ability to work in a 24/7 operations model, including on‑call, weekends, and holidays.

Qualifications

Experience supporting virtual CMTS platforms.Hands‑on work with Juniper, Arista, or Cisco network devices.Background in automation frameworks and CI/CD pipelines.Understanding of IT service monitoring and observability.

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

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Job Description:

We're seeking a skilled Network Engineer to support the nationwide deployment and maintenance of the company'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, the company achieves greater agility, cost efficiency, and localized network intelligence. This role is pivotal to our next-generation access network (NGAN) strategy and demands deep expertise in production operations within a 24x7 environment.

Responsibilities

Perform software installation, system configuration, and network readiness validation for new vCMTS deployments.Execute standardized processes to activate and validate Remote PHY devices across national footprints.Perform system upgrades, RMA replacements, and automation tasks (Python, Bash, etc.).Identify recurring service-impacting issues and collaborate with development teams to implement long‑term fixes.Participate in on‑call rotation to troubleshoot and restore service during outages.Diagnose and resolve issues involving Juniper, Arista, or Cisco network devices.Build, replace, and troubleshoot server hardware and system software.Develop scripts to streamline operational workflows and reduce manual effort.Work with Product and Project Management teams to integrate and operationalize new NGAN products.Partner with regional engineering teams to enhance product stability and build automation tools.

Experience & Skills

5+ years of hands‑on experience in a 24×7 production operations environment.Strong proficiency in Unix/Linux environments.Experience with scripting and automation (Python, Bash, etc.).Proven ability in network troubleshooting and configuration (CCNA/JNCIA optional but beneficial).Demonstrated skill in server hardware and software troubleshooting.Familiarity with Kubernetes, Jenkins, Ansible, Git is a plus.Experience with system hardware builds and replacements.Exposure to new product integration and operational readiness processes.Ability to work in a 24/7 operations model, including on‑call, weekends, and holidays.

Qualifications

Experience supporting virtual CMTS platforms.Hands‑on work with Juniper, Arista, or Cisco network devices.Background in automation frameworks and CI/CD pipelines.Understanding of IT service monitoring and observability.

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

Read less

Job Description:

We're seeking a skilled Network Engineer to support the nationwide deployment and maintenance of the company'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, the company achieves greater agility, cost efficiency, and localized network intelligence. This role is pivotal to our next-generation access network (NGAN) strategy and demands deep expertise in production operations within a 24x7 environment.

Responsibilities

Perform software installation, system configuration, and network readiness validation for new vCMTS deployments.Execute standardized processes to activate and validate Remote PHY devices across national footprints.Perform system upgrades, RMA replacements, and automation tasks (Python, Bash, etc.).Identify recurring service-impacting issues and collaborate with development teams to implement long‑term fixes.Participate in on‑call rotation to troubleshoot and restore service during outages.Diagnose and resolve issues involving Juniper, Arista, or Cisco network devices.Build, replace, and troubleshoot server hardware and system software.Develop scripts to streamline operational workflows and reduce manual effort.Work with Product and Project Management teams to integrate and operationalize new NGAN products.Partner with regional engineering teams to enhance product stability and build automation tools.

Experience & Skills

5+ years of hands‑on experience in a 24×7 production operations environment.Strong proficiency in Unix/Linux environments.Experience with scripting and automation (Python, Bash, etc.).Proven ability in network troubleshooting and configuration (CCNA/JNCIA optional but beneficial).Demonstrated skill in server hardware and software troubleshooting.Familiarity with Kubernetes, Jenkins, Ansible, Git is a plus.Experience with system hardware builds and replacements.Exposure to new product integration and operational readiness processes.Ability to work in a 24/7 operations model, including on‑call, weekends, and holidays.

Qualifications

Experience supporting virtual CMTS platforms.Hands‑on work with Juniper, Arista, or Cisco network devices.Background in automation frameworks and CI/CD pipelines.Understanding of IT service monitoring and observability.

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

Read less

Job Description:

We're seeking a skilled Network Engineer to support the nationwide deployment and maintenance of the company'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, the company achieves greater agility, cost efficiency, and localized network intelligence. This role is pivotal to our next-generation access network (NGAN) strategy and demands deep expertise in production operations within a 24x7 environment.

Responsibilities

Perform software installation, system configuration, and network readiness validation for new vCMTS deployments.Execute standardized processes to activate and validate Remote PHY devices across national footprints.Perform system upgrades, RMA replacements, and automation tasks (Python, Bash, etc.).Identify recurring service-impacting issues and collaborate with development teams to implement long‑term fixes.Participate in on‑call rotation to troubleshoot and restore service during outages.Diagnose and resolve issues involving Juniper, Arista, or Cisco network devices.Build, replace, and troubleshoot server hardware and system software.Develop scripts to streamline operational workflows and reduce manual effort.Work with Product and Project Management teams to integrate and operationalize new NGAN products.Partner with regional engineering teams to enhance product stability and build automation tools.

Experience & Skills

5+ years of hands‑on experience in a 24×7 production operations environment.Strong proficiency in Unix/Linux environments.Experience with scripting and automation (Python, Bash, etc.).Proven ability in network troubleshooting and configuration (CCNA/JNCIA optional but beneficial).Demonstrated skill in server hardware and software troubleshooting.Familiarity with Kubernetes, Jenkins, Ansible, Git is a plus.Experience with system hardware builds and replacements.Exposure to new product integration and operational readiness processes.Ability to work in a 24/7 operations model, including on‑call, weekends, and holidays.

Qualifications

Experience supporting virtual CMTS platforms.Hands‑on work with Juniper, Arista, or Cisco network devices.Background in automation frameworks and CI/CD pipelines.Understanding of IT service monitoring and observability.

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

Read less

Job Description:

We're seeking a skilled Network Engineer to support the nationwide deployment and maintenance of the company'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, the company achieves greater agility, cost efficiency, and localized network intelligence. This role is pivotal to our next-generation access network (NGAN) strategy and demands deep expertise in production operations within a 24x7 environment.

Responsibilities

Perform software installation, system configuration, and network readiness validation for new vCMTS deployments.Execute standardized processes to activate and validate Remote PHY devices across national footprints.Perform system upgrades, RMA replacements, and automation tasks (Python, Bash, etc.).Identify recurring service-impacting issues and collaborate with development teams to implement long‑term fixes.Participate in on‑call rotation to troubleshoot and restore service during outages.Diagnose and resolve issues involving Juniper, Arista, or Cisco network devices.Build, replace, and troubleshoot server hardware and system software.Develop scripts to streamline operational workflows and reduce manual effort.Work with Product and Project Management teams to integrate and operationalize new NGAN products.Partner with regional engineering teams to enhance product stability and build automation tools.

Experience & Skills

5+ years of hands‑on experience in a 24×7 production operations environment.Strong proficiency in Unix/Linux environments.Experience with scripting and automation (Python, Bash, etc.).Proven ability in network troubleshooting and configuration (CCNA/JNCIA optional but beneficial).Demonstrated skill in server hardware and software troubleshooting.Familiarity with Kubernetes, Jenkins, Ansible, Git is a plus.Experience with system hardware builds and replacements.Exposure to new product integration and operational readiness processes.Ability to work in a 24/7 operations model, including on‑call, weekends, and holidays.

Qualifications

Experience supporting virtual CMTS platforms.Hands‑on work with Juniper, Arista, or Cisco network devices.Background in automation frameworks and CI/CD pipelines.Understanding of IT service monitoring and observability.

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

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Network Engineer (Daily Rate Contract)

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

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Job Description:

We're seeking a skilled Network Engineer to support the nationwide deployment and maintenance of the company'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, the company achieves greater agility, cost efficiency, and localized network intelligence. This role is pivotal to our next-generation access network (NGAN) strategy and demands deep expertise in production operations within a 24x7 environment.

Responsibilities

Perform software installation, system configuration, and network readiness validation for new vCMTS deployments.Execute standardized processes to activate and validate Remote PHY devices across national footprints.Perform system upgrades, RMA replacements, and automation tasks (Python, Bash, etc.).Identify recurring service-impacting issues and collaborate with development teams to implement long‑term fixes.Participate in on‑call rotation to troubleshoot and restore service during outages.Diagnose and resolve issues involving Juniper, Arista, or Cisco network devices.Build, replace, and troubleshoot server hardware and system software.Develop scripts to streamline operational workflows and reduce manual effort.Work with Product and Project Management teams to integrate and operationalize new NGAN products.Partner with regional engineering teams to enhance product stability and build automation tools.

Experience & Skills

5+ years of hands‑on experience in a 24×7 production operations environment.Strong proficiency in Unix/Linux environments.Experience with scripting and automation (Python, Bash, etc.).Proven ability in network troubleshooting and configuration (CCNA/JNCIA optional but beneficial).Demonstrated skill in server hardware and software troubleshooting.Familiarity with Kubernetes, Jenkins, Ansible, Git is a plus.Experience with system hardware builds and replacements.Exposure to new product integration and operational readiness processes.Ability to work in a 24/7 operations model, including on‑call, weekends, and holidays.

Qualifications

Experience supporting virtual CMTS platforms.Hands‑on work with Juniper, Arista, or Cisco network devices.Background in automation frameworks and CI/CD pipelines.Understanding of IT service monitoring and observability.

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

Read less

Job Description:

We're seeking a skilled Network Engineer to support the nationwide deployment and maintenance of the company'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, the company achieves greater agility, cost efficiency, and localized network intelligence. This role is pivotal to our next-generation access network (NGAN) strategy and demands deep expertise in production operations within a 24x7 environment.

Responsibilities

Perform software installation, system configuration, and network readiness validation for new vCMTS deployments.Execute standardized processes to activate and validate Remote PHY devices across national footprints.Perform system upgrades, RMA replacements, and automation tasks (Python, Bash, etc.).Identify recurring service-impacting issues and collaborate with development teams to implement long‑term fixes.Participate in on‑call rotation to troubleshoot and restore service during outages.Diagnose and resolve issues involving Juniper, Arista, or Cisco network devices.Build, replace, and troubleshoot server hardware and system software.Develop scripts to streamline operational workflows and reduce manual effort.Work with Product and Project Management teams to integrate and operationalize new NGAN products.Partner with regional engineering teams to enhance product stability and build automation tools.

Experience & Skills

5+ years of hands‑on experience in a 24×7 production operations environment.Strong proficiency in Unix/Linux environments.Experience with scripting and automation (Python, Bash, etc.).Proven ability in network troubleshooting and configuration (CCNA/JNCIA optional but beneficial).Demonstrated skill in server hardware and software troubleshooting.Familiarity with Kubernetes, Jenkins, Ansible, Git is a plus.Experience with system hardware builds and replacements.Exposure to new product integration and operational readiness processes.Ability to work in a 24/7 operations model, including on‑call, weekends, and holidays.

Qualifications

Experience supporting virtual CMTS platforms.Hands‑on work with Juniper, Arista, or Cisco network devices.Background in automation frameworks and CI/CD pipelines.Understanding of IT service monitoring and observability.

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

Read less