Senior Network & Security Engineer

Added 17/07/2025

I'm seeking a Senior Network & Security Engineer to spearhead the design and deployment of cutting-edge networking solutions that drive my client's business forward. Working closely with the client's Global IT Team and reporting to the Global Head of IT, you will ensure network infrastructure is robust, scalable, and secure - ready to support current needs and future growth. Dublin-based, hybrid role. What You'll Do:Lead the design and implementation of scalable, agile network solutions aligned with business goals.Troubleshoot complex issues related to routing, switching, security, and data centre environments.Plan and execute network capacity upgrades to maintain optimal performance.Refine and document...

Network Security Engineer

Added 28/03/2025

Location: Ireland (Hybrid)Contract: PermanentResponsibilitiesMaintain and secure network infrastructure.Support network design, configuration, and installation.Manage firewalls and threat mitigation.Provide advanced troubleshooting and support.Perform system upgrades and security compliance tasks.Document configurations and procedures.Requirements5+ years of experience in network security.Strong knowledge of Cisco networking devices, Check Point firewalls, and security tools.Experience with SD-WAN and network segmentation.Relevant certifications preferred.Strong troubleshooting and problem-solving skills.GCS is acting as an Employment Agency in relation to this vacancy.

Optical Network Engineer

Added 09/07/2025

Optical Network Engineers - Design & Operations RolesWe're hiring for multiple roles in partnership with a global client, focused on large-scale optical network development and operations.We're looking for two types of profiles:1. Network Design EngineersYou'll be working on the design, deployment, and automation of high-capacity optical transport networks. A solid understanding of Optical OR IP Networking fundamentals is essential, along with strong experience in network design, planning, and automation.What you'll do:Design and scale DWDM-based optical networks.Automate network deployment and provisioning processes.Collaborate across IP, transport, and operational teams.Drive performance, resilience, and scalability initiatives.2. Network Operations EngineersFor our operations-focused team, we're seeking...

Network Surveillance Engineer

Added 09/06/2025

Job Title: Network Surveillance Engineer IIClient - DishPosition - On-siteContract - C2HLocation: Littleton, CO Job Description: Dish Network is expanding its wireless network services under Dish Anywhere, and we are seeking a highly skilled and motivated Network Surveillance Engineer. The Engineer will play a crucial role in maintaining, troubleshooting, and ensuring the optimal performance of Dish Network's wireless network infrastructure. The engineer will focus on Layer 1 troubleshooting while working with Radio Frequency (RF) deployments. Expertise in network transportation and protocols, particularly those related to routers, switches, and IP communication, is required.Responsibilities:Diagnose and troubleshoot physical connectivity issues within Layer 1...

Network Surveillance Engineer

Added 15/05/2025

Job Description:A big brand telecom client is expanding its wireless network services under Dish Anywhere, and we are seeking a highly skilled and motivated Network Surveillance Engineer. The Engineer will play a crucial role in maintaining, troubleshooting, and ensuring the optimal performance of Dish Network's wireless network infrastructure. The engineer will focus on both Layer 1 and Layer 2 troubleshooting while working with Radio Frequency (RF) deployments. Expertise in network transportation and protocols, particularly those related to routers, switches, and IP communication, is required.Responsibilities:Diagnose and troubleshoot physical connectivity issues within Layer 1 and Layer 2 of the OSI model to...

Senior Cyber Security Engineer

Added 06/06/2025

As a Senior Cyber Security Engineer, you will play a key role in supporting the design, implementation, and maintenance of Cyber Security Engineering solutions, controls, and processes across IT and OT environments. You will be responsible for supporting cyber security platform administration, enhancing our security posture, and ensuring that new capabilities are securely deployed in alignment with business objectives. This includes collaborating with stakeholders, supporting compliance efforts, and helping to drive proactive cyber risk reduction.This role requires a deep understanding of security engineering concepts, infrastructure technologies, and best practices. The ideal candidate will have strong communication skills, a solid grasp...

Senior Information Security Administrator

Added 10/06/2025

My client is hiring an Information Security Lead to help shape and implement its cybersecurity operations, governance, and risk framework. Reporting to the IT Operations & Security Manager, this role is critical in maintaining the organisation's security posture, ensuring compliance, and supporting ongoing IT service resilience.Key ResponsibilitiesOversee third-party security tools and services (e.g. firewalls, IDS/IPS, endpoint protection) and monitor vendor SLA adherence.Conduct risk assessments, maintain the security risk register, and manage remediation activities.Lead incident response processes including detection, containment, investigation, and resolution.Develop, implement, and maintain information security policies, procedures, and standards.Ensure compliance with ISO 27001, NIS2, and other regulatory requirements;...

Senior Information Security Advisor

Added 10/06/2025

My client is looking for a Senior Information Security Advisor to deliver technical information security services to clients across Europe. This role focuses on improving client security posture through risk management, policy development, compliance assessments, and training. You will also support internal initiatives, mentor junior colleagues, and contribute to my clients security leadership.Key Responsibilities * Lead delivery of information security services to clients, including risk identification, remediation, and compliance with regulatory and data protection standards. * Develop, implement, and review security policies, frameworks, and operational procedures. * Conduct ISMS assessments, internal audits, and compliance gap analyses against recognised standards. *...

Senior Analytical Engineer

Added 04/07/2025

I'm hiring for a Senior Analytics Engineer to join a fast-growing company in Utrecht that's building an entirely new data team from scratch. This is a fantastic opportunity to shape the data strategy from the ground up and create impactful solutions in the finance sector. We're looking for someone who: ✅ Has strong SQL and DBT experience (DBT is a must-have)✅ Comes with a solid background in the finance domain✅ Understands cloud data warehousing and modern ELT pipelines✅ Knows how to turn data into real business value✅ Is fluent in Dutch✅ Can work 2 days a week onsite in Utrecht...

Senior Infrastructure Operations Engineer

Added 30/06/2025

We are looking for a skilled and experienced Senior Infra Ops Engineer to join our technology team. You will play a critical role in managing and enhancing IT infrastructure, ensuring the performance, reliability, and security of both on-premise and cloud environments. This is a hands-on role, ideal for someone who thrives in a fast-paced, collaborative environment. Job Title: Senior Infrastructure Operations Engineer Location: Dublin, Ireland (Hybrid)Type: Permanent role Key Responsibilities:Manage and maintain cloud and on-prem infrastructure, including servers, networking, and storage.Monitor system health, troubleshoot issues, and optimise performance.Apply and maintain security controls, in alignment with InfoSec policies and audit requirements.Lead...

Senior System Engineer

Added 25/06/2025

Freelance / ZZP Role for a Senior System Engineer Currently looking for a Senior System Engineer for a new freelance assignment. This would be for a client based in Amsterdam and would be looking for Hybrid working. We are searching for people experienced in: You have experience in programming and automationExperience of running Data platform on public cloud (preferably Azure)Experience with Azure Databricks is a plusExperience with running production environments on Azure is a plusYou are experienced with cloud environments and using desired state configuration to manage them (Terraform is preferred)Containerised workloads have no secrets for youYou have experience with...

Senior DevSecOps Engineer - Fully Remote - Financial Services

Added 24/06/2025

The Role:12-month contract with potential for extensionFully remote working modelUp to 450 EurosImmediate StartI'm currently working with a Banking Client aiming to upskill their team with the introduction of an experienced Senior Engineer on a contract basis.As a Senior DevSecOps Engineer, you will be responsible for driving the Design, Implementation, and operational readiness of CI/CD Pipelines during the application migration, ensuring they are secure.Key ResponsibilitiesIndependently manage the full migration lifecycle, including build, test, and deployment automation.Validate systems for security, stability, and readiness for production deployment and sign-off.Assess current CI/CD pipelines and propose enhancements that align with industry standards, regulatory requirements,...

Senior DevOps Engineer - JFrog Artifactory SME - fully remote

Added 06/06/2025

Senior DevOps Engineer - JFrog Artifactory SME - 6 month contract - Fully remote6 month contract - Fully remote About the RoleWe're looking for a Senior DevOps Engineer with deep expertise in JFrog Artifactory to join our growing DevOps team. This role is ideal for someone who thrives in high-availability environments and has hands-on experience architecting and managing active-active HA clusters, federated repositories, and edge nodes in a single-domain setup.You'll be our go-to SME for everything JFrog, working closely with engineering, security, and release teams to ensure efficient artifact management, developer enablement, and policy enforcement across our CI/CD pipelines. Key...

Cyber Security Engineer

Added 08/05/2025

Cyber Security Engineer | Dublin / HybridA dynamic and growing organisation is seeking a Cyber Security Engineer to join its team. This is a fantastic opportunity to play a key role in supporting and maintaining enterprise-grade security technologies and helping to deliver threat detection and response capabilities to a wide variety of clients.About the Role:The successful candidate will work alongside internal teams and client stakeholders to maintain and enhance security monitoring infrastructure across SIEM, SOAR, EDR, and related platforms. You'll be involved in everything from onboarding new data sources to incident response, troubleshooting, and improving security posture through automation and...

Azure Security Engineer - Contract

Added 01/05/2025

Senior Digital Cloud Security Engineer GCS is looking to source a Senior Digital Cloud Security Engineer for a contract role based in Dublin (hybrid). Key Responsibilities:Design and support the implementation of robust security solutions for Azure environments.Architect secure Azure cloud infrastructure aligned with industry best practices.Develop and maintain security policies, procedures, and documentation for the cloud environment.Collaborate with DevOps teams to integrate security into development workflows and CI/CD pipelines.Lead initiatives to improve the organisation's overall security posture.Conduct architecture reviews and provide recommendations to strengthen cloud security.Ensure compliance with standards such as GDPR and ISO 27001. Desired Skills & Experience:Strong hands-on...