Job Search

We are partnering with a leading global technology company that's looking for an experienced Systems Engineer to join their Platform Engineering team. This is an opportunity to work on large-scale, mission-critical Kubernetes infrastructure powering cloud-native applications used around the world.

If you're passionate about automation, cloud infrastructure, and building highly scalable platforms, this role offers the chance to work with cutting-edge technologies in a collaborative engineering environment.

What You'll Be Doing

Manage, patch, upgrade, and optimise Kubernetes infrastructure across on-premises and public cloud environments.

Build and improve Infrastructure as Code (IaC) solutions using Terraform, Helm, and GitOps practices.

Develop automation and tooling using Python and/or Go.

Design and maintain CI/CD pipelines for infrastructure deployments.

Deploy and support networking and storage solutions for Kubernetes workloads.

Improve monitoring, observability, and alerting with Prometheus, Grafana, and cloud-native tooling.

Troubleshoot production issues and help drive improvements in reliability and operational excellence.

Leverage AI-powered tooling and automation to enhance platform operations and reduce incident resolution times.

Collaborate with engineering teams to deliver secure, scalable, and resilient cloud infrastructure.

What We're Looking For

3+ years of hands-on experience managing Kubernetes in production environments.

5+ years of strong Linux systems administration experience.

Experience with cloud-native technologies including Terraform, Helm, Argo CD or Flux.

Solid networking knowledge covering DNS, TLS, load balancing, ingress/egress, and firewalls.

Strong scripting or software development experience in Python or Go.

Experience with GitOps workflows and CI/CD pipelines.

Knowledge of observability tools such as Prometheus and Grafana.

Kubernetes certifications (CKA) or cloud certifications (AWS, Azure, GCP) are highly desirable.

Why Apply?

Join a world-class engineering team working on cloud infrastructure at scale.

Work with modern DevOps, Kubernetes, automation, and AI technologies.

Hybrid working model based in Dublin, Ireland.

Excellent opportunity to influence platform engineering practices and work on highly available production systems.

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

Read less

Cyber Security Programme Manager

Duration: 12 month rolling day rate contract 600-700 per day
Location: Dublin
Onsite Requirement: 3 to 4 days onsite per week

Summary of Role

We're looking for an experienced Information Security Programme Manager to lead and deliver a broad range of cyber security initiatives within a growing organisation.

This is a hands-on leadership role where you'll drive security improvements, strengthen governance, manage security risks, and support major technology change programmes.

You'll work closely with IT teams, business stakeholders, and external partners to ensure security remains a core part of the organisation's strategy and operations.

Key Responsibilities

Lead information security projects and programmes from planning through to delivery.Improve and mature the organisation's security operating model.Oversee security technologies and processes across endpoint, cloud, identity, and vulnerability management.Support security architecture reviews and risk assessments for new projects and systems.Develop and maintain security policies, standards, and procedures.Manage security audits, compliance activities, and risk reporting.Lead the response to security incidents and drive continuous improvement.Support data protection and information governance initiatives.Deliver clear security reporting and updates to senior management.Increase security awareness across the organisation through training and engagement.

Experience Required

Strong background in information security, cyber security, or security programme management.Experience delivering security projects in complex environments.Good understanding of security governance, risk management, and compliance.Knowledge of frameworks such as ISO 27001, NIST, and CIS Controls.Experience with Microsoft security technologies and cloud-based environments.Strong stakeholder management and communication skills.Ability to balance strategic thinking with hands-on delivery.Experience working with security operations, incident response, or security tooling would be beneficial.

Desirable Certifications

CISSPCISMISO 27001 Lead Implementer or Lead AuditorMicrosoft Security certificationsOther relevant cyber security qualifications

What's on Offer

This is an excellent opportunity to take ownership of a high-profile security programme and play a key role in shaping the organisation's cyber security capabilities.

You'll be joining an organisation investing heavily in technology and security, offering strong visibility, meaningful responsibility, and the opportunity to make a real impact.

Next Steps

If you would like to discuss this opportunity further, please submit your CV to Oisín Geoghegan at GCS Recruitment Specialists.

📧 [email protected]
📞 +353 1 901 4378

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

Read less

Cyber Programme Manager (Threat and Vulnerability management)

Duration: 6 month rolling day rate contract
Type: Day rate contract 600-700 per day
Location: Dublin
Onsite Requirement: Hybrid working model (3 days per week onsite)

Summary of Role

In this role, you will:

Lead and enhance a large-scale Threat & Vulnerability Management (TVM) function within a complex enterprise environment.Drive the organisation's approach to vulnerability identification, risk prioritisation, remediation governance, and continuous security improvement.Serve as the senior owner of the vulnerability management operating model, ensuring security risks are managed effectively across infrastructure, cloud, and application estates.Act as the principal point of contact between cyber security, technology teams, and senior business stakeholders.Champion a risk-based approach to vulnerability remediation while supporting regulatory, audit, and governance requirements.

Job Description

Responsibilities of the role:

Own and develop the enterprise-wide Threat & Vulnerability Management programme, including strategy, governance, processes, and performance reporting.Oversee the full vulnerability lifecycle, ensuring security exposures are identified, assessed, prioritised, and remediated appropriately.Lead governance forums and remediation reviews, driving accountability across technology and business teams.Establish meaningful KPIs, service metrics, and executive-level reporting to measure programme effectiveness and security posture.Act as the organisational subject matter expert for Qualys, ensuring effective utilisation of scanning, asset visibility, reporting, and remediation capabilities.Improve platform integrations, automation opportunities, and reporting processes to enhance operational efficiency.Partner with infrastructure, cloud, engineering, and security teams to improve vulnerability management maturity across the organisation.Coordinate response activities for critical vulnerabilities and emerging threats, ensuring timely escalation and risk management.Support audit, compliance, and regulatory activities by maintaining appropriate governance controls and evidence.Drive continual improvement initiatives that strengthen cyber resilience and reduce enterprise security risk.

Experience and Skills Required

Significant experience within cyber security, vulnerability management, security operations, or security engineering environments.Proven track record leading or managing enterprise-scale Threat & Vulnerability Management programmes.Strong hands-on experience with Qualys, including vulnerability management, asset discovery, reporting, compliance monitoring, and cloud agent deployment. [168587 Inf...me Manager | Word]Excellent understanding of vulnerability assessment methodologies, CVEs, CVSS scoring, threat intelligence, and risk-based prioritisation approaches. [168587 Inf...me Manager | Word]Experience working across cloud and hybrid technology environments.Strong knowledge of security frameworks and standards such as NIST, CIS Controls, and ISO 27001. [168587 Inf...me Manager | Word]Ability to influence technical and non-technical stakeholders at all levels of the organisation.Demonstrated experience producing executive-level reporting and communicating complex cyber risks clearly.Strong organisational, analytical, and programme management capabilities.Comfortable operating within fast-paced environments and managing high-priority security events.

What's on Offer

This is an opportunity to take ownership of a highly visible cyber security programme within a major enterprise organisation where information security is a key strategic priority.

You will work alongside experienced security professionals and senior technology leaders, helping shape the future direction of vulnerability management across a large and evolving technology landscape.

The role offers a competitive salary and benefits package, hybrid working, exposure to large-scale security initiatives, and excellent long-term career progression opportunities.

Next Steps

If you would like to explore this opportunity further, please submit your CV to Oisín Geoghegan at GCS Recruitment Specialists.

📧 [email protected]
📞 +353 1 901 4378

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

Read less

Title: Fiber Engineer - OTDR Specialist

About the Role:

We are looking for a highly skilled Field Engineer to join our team, specializing in OTDR (Optical Time Domain Reflectometer) testing and Fiber Optic Network troubleshooting.

The Field Engineer will be responsible for diagnosing, troubleshooting, and repairing Fiber optic links in large-scale data centre environments. The role involves extensive travel to customer sites, including major clients such as Amazon, Comcast, Google, Microsoft, Meta, and others.

Key Responsibilities:

Conduct OTDR testing to diagnose defects, breaks, and bends in Fiber optic cables on large Data Centre Sites like (Amazon, Comcast, Google, Microsoft, Meta, and others)

Identify Fiber count, location, and possible damage using OTDR equipment.

Perform troubleshooting and repair of Fiber optic links at customer sites.

Operate and configure OTDR machines, including EXFO and JDSU models.

Execute Fiber splicing and testing procedures to ensure network integrity.

Work with both ISP (Inside Plant) and OSP (Outside Plant) network infrastructures.

Interpret and analyse OTDR trace diagrams and return time calculations for troubleshooting.

Conduct network documentation, maintain records, and generate detailed test reports.

Provide customer support, including installation assistance and on-site training.

Ensure compliance with industry standards and best practices for Fiber optic network testing.

Qualifications & Experience:

Proven experience in OTDR testing and Fiber optic splicing.

Familiarity with ISP/OSP network infrastructure and documentation.

Strong understanding of Fiber optic network testing techniques.

Proficiency in desktop software programs such as MS Suite (Excel, Word, Visio).

Ability to work independently in field-based assignments with minimal supervision.

Excellent problem-solving and analytical skills.

Strong communication skills to interact with clients and provide technical support.

Willingness to travel 80-90% of the time, with assignments lasting up to two weeks.

Preferred Qualifications:

Previous experience working with major telecom or data centre clients.

Certifications related to Fiber optics or OTDR testing (e.g., CFOT, FOA, or equivalent).

Knowledge of high-power laser signal testing procedures and network troubleshooting techniques.

Why Join Us?:

Opportunity to work with leading technology companies and data centres.

Hands-on experience with cutting-edge Fiber optic network testing equipment.

Competitive salary and benefits package.

Dynamic and challenging field-based work environment.

If you are a highly motivated and skilled Field Engineer with expertise in OTDR testing and Fiber optic network

troubleshooting, we encourage you to apply and be part of our growing team.

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

Read less

Title: Fiber Engineer - OTDR Specialist

About the Role:

We are looking for a highly skilled Field Engineer to join our team, specialising in OTDR (Optical Time Domain Reflectometer) testing and Fiber Optic Network troubleshooting.

The Field Engineer will be responsible for diagnosing, troubleshooting, and repairing Fiber optic links in large-scale data centre environments. The role involves extensive travel to customer sites, including major clients such as Amazon, Comcast, Google, Microsoft, Meta, and others.

Key Responsibilities:

Conduct OTDR testing to diagnose defects, breaks, and bends in Fiber optic cables on large Data Centre Sites like (Amazon, Comcast, Google, Microsoft, Meta, and others)

Identify Fiber count, location, and possible damage using OTDR equipment.

Perform troubleshooting and repair of Fiber optic links at customer sites.

Operate and configure OTDR machines, including EXFO and JDSU models.

Execute Fiber splicing and testing procedures to ensure network integrity.

Work with both ISP (Inside Plant) and OSP (Outside Plant) network infrastructures.

Interpret and analyse OTDR trace diagrams and return time calculations for troubleshooting.

Conduct network documentation, maintain records, and generate detailed test reports.

Provide customer support, including installation assistance and on-site training.

Ensure compliance with industry standards and best practices for Fiber optic network testing.

Qualifications & Experience:

Proven experience in OTDR testing and Fiber optic splicing.

Familiarity with ISP/OSP network infrastructure and documentation.

Strong understanding of Fiber optic network testing techniques.

Proficiency in desktop software programs such as MS Suite (Excel, Word, Visio).

Ability to work independently in field-based assignments with minimal supervision.

Excellent problem-solving and analytical skills.

Strong communication skills to interact with clients and provide technical support.

Willingness to travel 80-90% of the time, with assignments lasting up to two weeks.

Preferred Qualifications:

Previous experience working with major telecom or data centre clients.

Certifications related to Fiber optics or OTDR testing (e.g., CFOT, FOA, or equivalent).

Knowledge of high-power laser signal testing procedures and network troubleshooting techniques.

Why Join Us?:

Opportunity to work with leading technology companies and data centres.

Hands-on experience with cutting-edge Fiber optic network testing equipment.

Competitive salary and benefits package.

Dynamic and challenging field-based work environment.

If you are a highly motivated and skilled Field Engineer with expertise in OTDR testing and Fiber optic network

troubleshooting, we encourage you to apply and be part of our growing team.

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

Read less

Site Acquisition Specialist is responsible for managing wireless site acquisition activities from initial site identification through project completion. This includes obtaining properly leases, coordinating zoning and permitting, working with municipalities and landlords, and processing all project milestones through AT&T's LMPS system. The role supports wireless network deployment projects for AT&T and T-Mobile while partnering with internal teams, contractors, and customers to remain on schedule.

Required experience:

Site leasingZoning applicationsPermittingMunicipal approvalsLandlord negotiationsUnderstanding wireless cell site development processExperience coordinating with engineering, construction, and general contractors

Day To Day Duties:

Manage the complete site acquisition process for assigned projectsSubmit and track projects through AT&T LMPS systemObtain and negotiate property leases, easements, and lease amendmentsCoordinate with RF Engineering, Construction, Project Managers, and outside contractors to keep projects on scheduleMonitor project milestones and provide status updates to internal teams and customersMaintain project records and close out completed site acquisition packagesEnsure all documentation is accurate and compliant before moving projects through each phase

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

Read less

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

Read less

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

Read less

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

Read less

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

Read less