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About the Role

We're looking for a Senior Ruby on Rails Support Developer to join a fast-paced product engineering team. This role is focused on production support, troubleshooting, and issue resolution within a complex Rails application.

You'll investigate technical issues, work with production data, and deliver practical solutions to business-critical problems. While there may be opportunities to contribute to feature development, your primary focus will be maintaining and supporting a live platform.

Key Responsibilities

Investigate and resolve production support issues involving application code and data.Diagnose root causes using logs, monitoring tools, and database analysis.Troubleshoot configuration issues and implement fixes.Identify, document, and resolve software defects.Analyse and correct data integrity issues, including scripting where required.Collaborate with engineering and support teams to improve platform reliability.Contribute to reducing technical debt and enhancing operational efficiency.

What We're Looking For

Commercial experience with Ruby and Ruby on Rails.Strong troubleshooting and problem-solving skills.Experience supporting production applications and resolving live issues.Comfortable working with databases, logs, and production data.Ability to work independently and own issues through resolution.Strong communication skills and a customer-focused mindset.

Nice to Have

Experience in fast-growing product environments.Exposure to data repair, scripting, and operational support.Familiarity with AI-assisted development tools such as Cursor, Claude, or Codex.Experience balancing support work with occasional feature development.

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

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

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Senior Resilience & Risk Assurance Manager

Dublin - Permanent

Overview

A senior opportunity for an experienced resilience and risk professional to join a growing team responsible for assessing, challenging, and improving resilience capabilities across complex organisations.

The role focuses on evaluating how organisations prepare for, respond to, and recover from major disruptions. The successful candidate will conduct assurance reviews, assess resilience frameworks, identify risks and control gaps, and provide strategic recommendations to senior stakeholders.

Key Responsibilities

Lead resilience and risk assurance reviews across complex organisations.Assess business continuity, crisis management, recovery, and resilience capabilities.Evaluate governance structures, policies, processes, and control effectiveness.Identify operational, technology, and organisational risks.Produce findings, recommendations, and remediation requirements.Conduct interviews, workshops, and assessments with senior stakeholders.Support organisational resilience strategy and risk management activities.Contribute to the development of resilience standards, methodologies, and assurance approaches.Provide guidance on resilience best practice and risk mitigation.Mentor junior team members and support capability development.

Required Experience

Significant experience in operational resilience, risk management, governance, audit, assurance, compliance, or business continuity.Experience assessing risk and control environments.Strong understanding of resilience frameworks and risk-based methodologies.Experience conducting audits, reviews, assessments, or assurance activities.Ability to influence and challenge senior stakeholders.Strong analytical, reporting, and communication skills.

Desirable Experience

Technology Risk, Cyber Risk, Enterprise Risk Management, Internal Audit, Business Continuity & Disaster Recovery, Crisis Management, Governance, Risk & Compliance (GRC)

Certifications Nice to have:

CISSP, CISM, CRISC, CISA, ISO 27001 Lead Auditor, Business Continuity qualifications

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

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Job Description: Golang Developer

Position Overview

We are seeking a Golang Developer to join a cutting-edge project focused on voice-driven content retrieval. The ideal candidate will have strong backend development skills, deep Linux expertise, and experience with authentication and containerization technologies. This role involves building secure, scalable services that enable real-time voice interactions for content access.

Key Responsibilities

Develop new functional features in GoLang for voice-based content retrieval.Debug and resolve software defects to ensure system reliability.Maintain high standards for code quality and implement optimized solutions.Participate in solution design sessions and contribute to technical decision-making.Document solutions and break down business requirements into technical tasks.Estimate effort accurately and deliver within timelines.Reverse engineer existing code to enhance legacy components.

Required Skills

Strong hands-on experience with GoLang programming.Exposure to Docker and Kubernetes for containerized deployments.Solid Linux background, including:PKI certificate management.SSH key management.Understanding of Active Directory/LDAP, user/group structures, LDAP queries, and filters.Experience with open-source components such as DNS, certificates, LDAP schema, and PAM authentication modules.Knowledge of Access and Authentication mechanisms (SSO, MFA).Familiarity with version control systems (GitHub).Experience with SQL and NoSQL databases.

Experience

Minimum 2 years of GoLang development experience.2 years of C programming (preferred).6 years of programming experience on Linux OS.2 years of Python/JavaScript experience.Knowledge of reverse engineering techniques.

Soft Skills

Self-driven and proactive.Strong problem-solving and analytical skills.Ability to work independently and collaborate in design discussions.

What You'll Learn & Grow

Gain hands-on experience building scalable, voice-driven backend applications.Deepen your expertise in GoLang, Linux, and distributed systems.Work with modern containerization and orchestration technologies, including Docker and Kubernetes.Strengthen your knowledge of authentication, identity management, and enterprise security practices.

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

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Job Description: Golang Developer

Position Overview

We are seeking a Golang Developer to join a cutting-edge project focused on voice-driven content retrieval. The ideal candidate will have strong backend development skills, deep Linux expertise, and experience with authentication and containerization technologies. This role involves building secure, scalable services that enable real-time voice interactions for content access.

Key Responsibilities

Develop new functional features in GoLang for voice-based content retrieval.Debug and resolve software defects to ensure system reliability.Maintain high standards for code quality and implement optimized solutions.Participate in solution design sessions and contribute to technical decision-making.Document solutions and break down business requirements into technical tasks.Estimate effort accurately and deliver within timelines.Reverse engineer existing code to enhance legacy components.

Required Skills

Strong hands-on experience with GoLang programming.Exposure to Docker and Kubernetes for containerized deployments.Solid Linux background, including:PKI certificate management.SSH key management.Understanding of Active Directory/LDAP, user/group structures, LDAP queries, and filters.Experience with open-source components such as DNS, certificates, LDAP schema, and PAM authentication modules.Knowledge of Access and Authentication mechanisms (SSO, MFA).Familiarity with version control systems (GitHub).Experience with SQL and NoSQL databases.

Experience

Minimum 2 years of GoLang development experience.2 years of C programming (preferred).6 years of programming experience on Linux OS.2 years of Python/JavaScript experience.Knowledge of reverse engineering techniques.

Soft Skills

Self-driven and proactive.Strong problem-solving and analytical skills.Ability to work independently and collaborate in design discussions.

What You'll Learn & Grow

Gain hands-on experience building scalable, voice-driven backend applications.Deepen your expertise in GoLang, Linux, and distributed systems.Work with modern containerization and orchestration technologies, including Docker and Kubernetes.Strengthen your knowledge of authentication, identity management, and enterprise security practices.

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

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Job Description: Golang Developer

Position Overview

We are seeking a Golang Developer to join a cutting-edge project focused on voice-driven content retrieval. The ideal candidate will have strong backend development skills, deep Linux expertise, and experience with authentication and containerization technologies. This role involves building secure, scalable services that enable real-time voice interactions for content access.

Key Responsibilities

Develop new functional features in GoLang for voice-based content retrieval.Debug and resolve software defects to ensure system reliability.Maintain high standards for code quality and implement optimized solutions.Participate in solution design sessions and contribute to technical decision-making.Document solutions and break down business requirements into technical tasks.Estimate effort accurately and deliver within timelines.Reverse engineer existing code to enhance legacy components.

Required Skills

Strong hands-on experience with GoLang programming.Exposure to Docker and Kubernetes for containerized deployments.Solid Linux background, including:PKI certificate management.SSH key management.Understanding of Active Directory/LDAP, user/group structures, LDAP queries, and filters.Experience with open-source components such as DNS, certificates, LDAP schema, and PAM authentication modules.Knowledge of Access and Authentication mechanisms (SSO, MFA).Familiarity with version control systems (GitHub).Experience with SQL and NoSQL databases.

Experience

Minimum 2 years of GoLang development experience.2 years of C programming (preferred).6 years of programming experience on Linux OS.2 years of Python/JavaScript experience.Knowledge of reverse engineering techniques.

Soft Skills

Self-driven and proactive.Strong problem-solving and analytical skills.Ability to work independently and collaborate in design discussions.

What You'll Learn & Grow

Gain hands-on experience building scalable, voice-driven backend applications.Deepen your expertise in GoLang, Linux, and distributed systems.Work with modern containerization and orchestration technologies, including Docker and Kubernetes.Strengthen your knowledge of authentication, identity management, and enterprise security practices.

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

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Job Description: Golang Developer

Position Overview

We are seeking a Golang Developer to join a cutting-edge project focused on voice-driven content retrieval. The ideal candidate will have strong backend development skills, deep Linux expertise, and experience with authentication and containerization technologies. This role involves building secure, scalable services that enable real-time voice interactions for content access.

Key Responsibilities

Develop new functional features in GoLang for voice-based content retrieval.Debug and resolve software defects to ensure system reliability.Maintain high standards for code quality and implement optimized solutions.Participate in solution design sessions and contribute to technical decision-making.Document solutions and break down business requirements into technical tasks.Estimate effort accurately and deliver within timelines.Reverse engineer existing code to enhance legacy components.

Required Skills

Strong hands-on experience with GoLang programming.Exposure to Docker and Kubernetes for containerized deployments.Solid Linux background, including:PKI certificate management.SSH key management.Understanding of Active Directory/LDAP, user/group structures, LDAP queries, and filters.Experience with open-source components such as DNS, certificates, LDAP schema, and PAM authentication modules.Knowledge of Access and Authentication mechanisms (SSO, MFA).Familiarity with version control systems (GitHub).Experience with SQL and NoSQL databases.

Experience

Minimum 2 years of GoLang development experience.2 years of C programming (preferred).6 years of programming experience on Linux OS.2 years of Python/JavaScript experience.Knowledge of reverse engineering techniques.

Soft Skills

Self-driven and proactive.Strong problem-solving and analytical skills.Ability to work independently and collaborate in design discussions.

What You'll Learn & Grow

Gain hands-on experience building scalable, voice-driven backend applications.Deepen your expertise in GoLang, Linux, and distributed systems.Work with modern containerization and orchestration technologies, including Docker and Kubernetes.Strengthen your knowledge of authentication, identity management, and enterprise security practices.

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

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Consumer Duty Product Consultant | Remote 6-Month | Outside IR35 Contract (UK)

Location: Fully remote
Contract: 6 Months intially
IR35: Outside IR35
Day Rate: Competitive

We're supporting a fast-growing FCA-regulated FinTech / DFM that is looking to engage an experienced Compliance / Product Consultant to implement the firms Consumer Duty and Product Governance function.

This is a hands-on delivery role, working closely with Product, Investment, Distribution, Risk and Compliance teams to ensure Consumer Duty requirements continue to be embedded across investment products and services.

Key ResponsibilitiesConduct Fair Value Assessments (FVAs) Review and update Target Market Assessments (TMAs), ensuring alignment with Consumer Duty and PROD requirements.Support Consumer Duty Outcome Testing, including methodology design, MI analysis and reporting.Produce high-quality documentation for Board and Investment Committee reporting.Develop and enhance Consumer Duty MI frameworks and governance processes.Work closely with Product, Investment, Risk & Compliance and Distribution teams to gather evidence and validate assessments.Ensure all documentation is robust, evidence-based and compliant with FCA expectations.Required ExperienceStrong experience within an FCA-regulated investment or wealth management business.Proven experience delivering Consumer Duty initiatives.Hands-on experience completing Fair Value Assessments and Target Market Assessments.Strong understanding of Consumer Duty (PRIN 2A) and PROD regulations.

If this could be of interest, or you'd like to discuss the opportunity further, please apply and I will be get in touch.

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

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We are seeking a Senior Lab Engineer to be onsite; responsible for maintaining and delivering lab environments that support Technical Assistance Center (TAC), Engineering, QA, Product Development, and Sales teams. The ideal candidate will bring strong systems engineering expertise with VMware ESXi/vSphere, solid Linux and Windows administration skills, foundational Layer 1-3 networking knowledge, and hands-on lab/data center operations experience. This individual will serve as the senior technical resource within the lab, leading projects, mentoring junior technicians, managing escalations, and ensuring lab services are delivered within SLA.

Key Responsibilities

Lab Operations & Support

Own and manage the lab support ticket queue, prioritizing and resolving requests within SLA targets.Build, deploy, and maintain lab environments for TAC, Engineering, QA, and Product teams.Provision and configure switches, wireless access points, virtual machines, traffic generators, and other lab infrastructure.Provide remote access solutions for users requiring lab resources.

Systems Administration & Virtualization

Administer and maintain VMware ESXi/vSphere server environments.Perform VM provisioning, server buildouts, upgrades, troubleshooting, and lifecycle management.Support both Windows and Linux operating systems.Assist with virtualization technologies including VMware and, ideally, Linux KVM environments.

Network & Infrastructure Support

Configure and troubleshoot network connectivity from Layers 1 through 3.Deploy devices into rack environments and configure subnet, gateway, and IP addressing requirements.Support per-rack network configurations and maintain proper documentation.Troubleshoot connectivity issues involving physical connections, switching, routing, and addressing.

Data Center & Lab Management

Perform rack-and-stack activities, cabling, hardware installation, and lab maintenance.Maintain lab organization, equipment inventories, environmental standards, and documentation.Conduct infrastructure audits and support new environment builds.

Leadership & Escalations

Serve as the primary escalation point of contact for lab-related issues.Lead project execution and coordinate work among three onsite Lab Technicians.Provide technical guidance, mentoring, and troubleshooting support to junior team members.Partner with the Senior Network Engineer and Lab Manager to ensure operational excellence.Proactively resolve issues and contain escalations before management involvement is required.

Required Qualifications

Technical Skills

Senior experience in Systems Engineering, Lab Engineering, Data Center Operations, or Infrastructure Support.Strong hands-on experience with:VMware ESXi / vSphereVirtual Machine provisioning and administrationWindows Server and Linux environmentsSolid networking knowledge including:TCP/IPSubnettingVLANsDefault gatewaysDNS/DHCPLayer 1-3 troubleshootingExperience deploying and maintaining servers and network-connected infrastructure.Ability to troubleshoot infrastructure issues from hardware through network layers.

Data Center & Hardware Experience

Rack and stack deployment experience.Cabling, power management, hardware installation, and inventory management.Comfortable working with mechanical tools and hardware components.Experience resolving hardware installation challenges, including use of drills, bits, rails, and handling stripped screws.

Leadership Experience

Experience leading small teams, projects, or technical initiatives.Ability to mentor junior technicians and act as a senior technical resource.Strong documentation, communication, and escalation management skills.

Other Qualifications

Experience with Linux KVM virtualization.Palo Alto Firewall experience.Experience supporting lab environments or data center operations.Familiarity with:Networking (Switching & Wireless)Viavi Traffic GeneratorsWireshark and network testing toolsVMware, Cisco, Microsoft, AWS, or Azure certifications.Bachelor's degree in Computer Science, Information Technology, Engineering, or equivalent experience.

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

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We are seeking a Senior Lab Engineer to be onsite; responsible for maintaining and delivering lab environments that support Technical Assistance Center (TAC), Engineering, QA, Product Development, and Sales teams. The ideal candidate will bring strong systems engineering expertise with VMware ESXi/vSphere, solid Linux and Windows administration skills, foundational Layer 1-3 networking knowledge, and hands-on lab/data center operations experience. This individual will serve as the senior technical resource within the lab, leading projects, mentoring junior technicians, managing escalations, and ensuring lab services are delivered within SLA.

Key Responsibilities

Lab Operations & Support

Own and manage the lab support ticket queue, prioritizing and resolving requests within SLA targets.Build, deploy, and maintain lab environments for TAC, Engineering, QA, and Product teams.Provision and configure switches, wireless access points, virtual machines, traffic generators, and other lab infrastructure.Provide remote access solutions for users requiring lab resources.

Systems Administration & Virtualization

Administer and maintain VMware ESXi/vSphere server environments.Perform VM provisioning, server buildouts, upgrades, troubleshooting, and lifecycle management.Support both Windows and Linux operating systems.Assist with virtualization technologies including VMware and, ideally, Linux KVM environments.

Network & Infrastructure Support

Configure and troubleshoot network connectivity from Layers 1 through 3.Deploy devices into rack environments and configure subnet, gateway, and IP addressing requirements.Support per-rack network configurations and maintain proper documentation.Troubleshoot connectivity issues involving physical connections, switching, routing, and addressing.

Data Center & Lab Management

Perform rack-and-stack activities, cabling, hardware installation, and lab maintenance.Maintain lab organization, equipment inventories, environmental standards, and documentation.Conduct infrastructure audits and support new environment builds.

Leadership & Escalations

Serve as the primary escalation point of contact for lab-related issues.Lead project execution and coordinate work among three onsite Lab Technicians.Provide technical guidance, mentoring, and troubleshooting support to junior team members.Partner with the Senior Network Engineer and Lab Manager to ensure operational excellence.Proactively resolve issues and contain escalations before management involvement is required.

Required Qualifications

Technical Skills

Senior experience in Systems Engineering, Lab Engineering, Data Center Operations, or Infrastructure Support.Strong hands-on experience with:VMware ESXi / vSphereVirtual Machine provisioning and administrationWindows Server and Linux environmentsSolid networking knowledge including:TCP/IPSubnettingVLANsDefault gatewaysDNS/DHCPLayer 1-3 troubleshootingExperience deploying and maintaining servers and network-connected infrastructure.Ability to troubleshoot infrastructure issues from hardware through network layers.

Data Center & Hardware Experience

Rack and stack deployment experience.Cabling, power management, hardware installation, and inventory management.Comfortable working with mechanical tools and hardware components.Experience resolving hardware installation challenges, including use of drills, bits, rails, and handling stripped screws.

Leadership Experience

Experience leading small teams, projects, or technical initiatives.Ability to mentor junior technicians and act as a senior technical resource.Strong documentation, communication, and escalation management skills.

Other Qualifications

Experience with Linux KVM virtualization.Palo Alto Firewall experience.Experience supporting lab environments or data center operations.Familiarity with:Networking (Switching & Wireless)Viavi Traffic GeneratorsWireshark and network testing toolsVMware, Cisco, Microsoft, AWS, or Azure certifications.Bachelor's degree in Computer Science, Information Technology, Engineering, or equivalent experience.

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

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