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Senior Platform Engineer (Kubernetes) | Contract

We're partnering with a leading organisation seeking an experienced Senior Platform Engineer to help develop, automate and scale their cloud-native infrastructure environment.

This is an excellent opportunity for an engineer who enjoys building robust Kubernetes platforms, driving automation, and working with modern cloud technologies in a highly collaborative environment.

What You'll Be Doing

Design, build and support Kubernetes-based platform infrastructure.Drive automation across infrastructure and operational processes using Infrastructure as Code principles.Develop and maintain tooling using technologies such as Terraform, Ansible, Python and Go.Enhance platform reliability, scalability, security and performance.Implement and improve observability, monitoring and alerting solutions.Work closely with engineering teams to support cloud-native application deployments.Contribute to CI/CD and GitOps-driven delivery practices.Research and introduce new technologies and best practices across the platform estate.Explore opportunities to leverage AI and automation to improve engineering efficiency and operational excellence.

What We're Looking For

Strong experience within Platform Engineering, Infrastructure Engineering, DevOps or Site Reliability Engineering.Proven hands-on experience running Kubernetes in production environments.Strong Linux administration and troubleshooting skills.Experience with Infrastructure as Code and automation tooling, including Terraform and Ansible.Development or scripting experience with Python, Go or similar technologies.Experience with cloud-native tooling, containers, CI/CD pipelines and GitOps methodologies.Good understanding of networking concepts including DNS, load balancing, ingress/egress, TLS and firewalls.Experience with observability and monitoring tools such as Prometheus and Grafana.Strong communication and stakeholder engagement skills.Ability to work effectively within fast-paced, collaborative engineering teams.

Desirable Experience

Kubernetes certifications such as CKA.Experience with Kubernetes security, governance and policy management.Exposure to service mesh technologies.Cloud platform certifications across AWS, Azure or GCP.Experience introducing new technologies and driving platform improvements at scale.

Apply Now

If you're a skilled Kubernetes / Platform Engineer looking for your next contract opportunity and enjoy working with modern cloud technologies, we'd love to hear from you.

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

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Multiple openings: Staff Engineer (11-Month Fixed Term Contract)

Dublin City Centre (2 days onsite)

Salary: up to €119K + 25 Annual leave days + paid public holidays (all pro-rated for 11-months)

(Sponsorship is not provided for this role)

Join a Fortune 500 enterprise software organization whose technology is used by more than 90% of Fortune 500 companies worldwide.

Our client are seeking experienced Multi Cloud Infrastructure professionals with expertise in:

AWS, Azure and/or GCP

Terraform and Infrastructure as Code

Cloud Networking

Production Support & Troubleshooting

Infrastructure Automation

Large-Scale Cloud Operations

If you're passionate about building, operating, and troubleshooting cloud infrastructure at scale, we'd love to connect.

📩 Contact us today to discuss the opportunity

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

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Solutions Architect - Tier 1 Bank - Canary Wharf

Role - Application Architect

Duration - 6 months with very likely extension

Location - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf office

Rate - £600 per day (Inside IR35)

Experience -

In depth understanding of Object Orientated programming concepts as well as of the full Software Development Life Cycle.Good understanding of MS .NET Framework environments.Knowledge and experience of Agile methodologyKnowledge of Cloud and AI technologies that can be adopted into the workplaceExtensive experience working as a software and solutions architect.Experience in designing of high-level concepts for software solutions.Experience in development of Azure cloud-based as well as on-prem solutions.DevOps and SCRUM experienceExperience in Cloud migration planning and execution

Tasks -

Create and improve architectural standards for on premise and azure cloud software products, develop cloud migration procedures and guidelines.Assist in cloud migration projects, assess readiness and dependencies, optimize for the Cloud.Create and review blueprints for software products, provide guidance on improving architecture.Coding mission critical parts and performing code reviews.Assist on integrating AI technologies to improve existing systems.Ensure that applications are in line with compliance and regulatory standards and conduct regular security assessments of these applications.Technical writing (creating related documentation)Assist developers with any architecture related issues and queries.

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

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AWS Security Architect

We are seeking an experienced AWS Security Architect to lead the design and implementation of security controls across our AWS estate. This role will be responsible for establishing secure architecture standards, driving security best practices, and ensuring AWS services are deployed in a scalable, compliant, and resilient manner.

Working closely with Cloud Engineering, Platform, DevOps, and Cyber Security teams, you will provide both strategic direction and hands-on technical guidance to ensure security is embedded throughout the lifecycle of our AWS platforms and applications.

This is a delivery-focused role that combines architecture, engineering, and governance, enabling teams to adopt AWS services securely whilst maintaining agility and operational excellence.

Key Responsibilities

AWS Security Architecture

Define and maintain the security architecture roadmap for AWS cloud environments.Design secure AWS landing zones, account structures, network architectures, and operational security frameworks.Develop AWS security reference architectures, reusable patterns, and guardrails that support consistent deployment across teams.Ensure security controls are embedded into Infrastructure as Code (Terraform, CloudFormation or similar) and platform automation practices.Provide technical leadership on AWS-native security servicesDesign and govern identity, access management, privileged access, encryption, key management, and network segmentation strategies.Review solution architectures and provide security guidance for new AWS workloads and cloud transformation initiatives.Champion Security-by-Design principles across engineering and delivery teams.

DevSecOps & Automation

Embed security controls throughout CI/CD pipelines and cloud delivery processes.Drive the adoption of automated security testing, compliance monitoring, and policy-as-code approaches.Develop and enhance security guardrails to prevent misconfigurations and improve cloud security posture.Work with platform engineering teams to integrate security tooling into deployment pipelines and operational workflows.Promote secure software delivery practices and cloud-native security automation.

Governance, Risk & Compliance

Partner with Cyber Security, Risk, and Cloud Governance teams to align AWS security controls with organisational policies and regulatory requirements.Conduct threat modelling, security architecture reviews, and risk assessments for AWS-hosted solutions.Support compliance initiatives aligned to frameworks such as ISO 27001, CIS AWS Foundations Benchmark, NIST, and SOC 2.Ensure security monitoring, logging, detection, and response capabilities are appropriately designed and implemented across AWS environments.Provide expert advice on cloud security risks and remediation strategies.

Desired Experience

Proven experience as an AWS Security Architect or similar cloud-focused security role.Deep understanding of AWS cloud architecture and AWS security best practices.Strong hands-on experience implementing AWS-native security controls across enterprise-scale environments.Experience designing secure multi-account AWS environments using AWS Organizations and Control Tower.Expertise in AWS IAM, networking, security monitoring, encryption, secrets management, and security operations.Strong knowledge of Infrastructure as Code security principles using Terraform, CloudFormation, or similar technologies.Experience implementing DevSecOps practices and integrating security controls into CI/CD pipelines.Understanding of cloud security frameworks, risk management, and regulatory compliance requirements.

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

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Solutions Architect - Tier 1 Bank - Canary Wharf

Role - Application Architect

Duration - 6 months with very likely extension

Location - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf office

Rate - £600 per day (Inside IR35)

Experience -

In depth understanding of Object Orientated programming concepts as well as of the full Software Development Life Cycle.Good understanding of MS .NET Framework environments.Knowledge and experience of Agile methodologyKnowledge of Cloud and AI technologies that can be adopted into the workplaceExtensive experience working as a software and solutions architect.Experience in designing of high-level concepts for software solutions.Experience in development of Azure cloud-based as well as on-prem solutions.DevOps and SCRUM experienceExperience in Cloud migration planning and execution

Tasks -

Create and improve architectural standards for on premise and azure cloud software products, develop cloud migration procedures and guidelines.Assist in cloud migration projects, assess readiness and dependencies, optimize for the Cloud.Create and review blueprints for software products, provide guidance on improving architecture.Coding mission critical parts and performing code reviews.Assist on integrating AI technologies to improve existing systems.Ensure that applications are in line with compliance and regulatory standards and conduct regular security assessments of these applications.Technical writing (creating related documentation)Assist developers with any architecture related issues and queries.

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

Read less

Solutions Architect - Tier 1 Bank - Canary Wharf

Role - Application Architect

Duration - 6 months with very likely extension

Location - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf office

Rate - £600 per day (Inside IR35)

Experience -

In depth understanding of Object Orientated programming concepts as well as of the full Software Development Life Cycle.Good understanding of MS .NET Framework environments.Knowledge and experience of Agile methodologyKnowledge of Cloud and AI technologies that can be adopted into the workplaceExtensive experience working as a software and solutions architect.Experience in designing of high-level concepts for software solutions.Experience in development of Azure cloud-based as well as on-prem solutions.DevOps and SCRUM experienceExperience in Cloud migration planning and execution

Tasks -

Create and improve architectural standards for on premise and azure cloud software products, develop cloud migration procedures and guidelines.Assist in cloud migration projects, assess readiness and dependencies, optimize for the Cloud.Create and review blueprints for software products, provide guidance on improving architecture.Coding mission critical parts and performing code reviews.Assist on integrating AI technologies to improve existing systems.Ensure that applications are in line with compliance and regulatory standards and conduct regular security assessments of these applications.Technical writing (creating related documentation)Assist developers with any architecture related issues and queries.

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

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Solutions Architect - Tier Bank - Canary Wharf - 2 Stage interview process - ASAP start

Role - Application Architect

Duration - 6 months with very likely extension

Location - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf office

Rate - £600 per day (Inside IR35)

Experience -

In depth understanding of Object Orientated programming concepts as well as of the full Software Development Life Cycle.Good understanding of MS .NET Framework environments.Knowledge and experience of Agile methodologyKnowledge of Cloud and AI technologies that can be adopted into the workplaceExtensive experience working as a software and solutions architect.Experience in designing of high-level concepts for software solutions.Experience in development of Azure cloud-based as well as on-prem solutions.DevOps and SCRUM experienceExperience in Cloud migration planning and execution

Tasks -

Create and improve architectural standards for on premise and azure cloud software products, develop cloud migration procedures and guidelines.Assist in cloud migration projects, assess readiness and dependencies, optimize for the Cloud.Create and review blueprints for software products, provide guidance on improving architecture.Coding mission critical parts and performing code reviews.Assist on integrating AI technologies to improve existing systems.Ensure that applications are in line with compliance and regulatory standards and conduct regular security assessments of these applications.Technical writing (creating related documentation)Assist developers with any architecture related issues and queries.

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

Read less

Solutions Architect - Tier Bank - Canary Wharf - 2 Stage interview process - ASAP start

Role - Application Architect

Duration - 6 months with very likely extension

Location - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf office

Rate - £650 per day (Inside IR35)

Experience -

In depth understanding of Object Orientated programming concepts as well as of the full Software Development Life Cycle.Good understanding of MS .NET Framework environments.Knowledge and experience of Agile methodologyKnowledge of Cloud and AI technologies that can be adopted into the workplaceExtensive experience working as a software and solutions architect.Experience in designing of high-level concepts for software solutions.Experience in development of Azure cloud-based as well as on-prem solutions.DevOps and SCRUM experienceExperience in Cloud migration planning and execution

Tasks -

Create and improve architectural standards for on premise and azure cloud software products, develop cloud migration procedures and guidelines.Assist in cloud migration projects, assess readiness and dependencies, optimize for the Cloud.Create and review blueprints for software products, provide guidance on improving architecture.Coding mission critical parts and performing code reviews.Assist on integrating AI technologies to improve existing systems.Ensure that applications are in line with compliance and regulatory standards and conduct regular security assessments of these applications.Technical writing (creating related documentation)Assist developers with any architecture related issues and queries.

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

Read less

Solutions Architect - Tier Bank - Canary Wharf - 2 Stage interview process - ASAP start

Role - Application Architect

Duration - 6 months with very likely extension

Location - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf office

Rate - £750 per day (Inside IR35)

Experience -

In depth understanding of Object Orientated programming concepts as well as of the full Software Development Life Cycle.Good understanding of MS .NET Framework environments.Knowledge and experience of Agile methodologyKnowledge of Cloud and AI technologies that can be adopted into the workplaceExtensive experience working as a software and solutions architect.Experience in designing of high-level concepts for software solutions.Experience in development of Azure cloud-based as well as on-prem solutions.DevOps and SCRUM experienceExperience in Cloud migration planning and execution

Tasks -

Create and improve architectural standards for on premise and azure cloud software products, develop cloud migration procedures and guidelines.Assist in cloud migration projects, assess readiness and dependencies, optimize for the Cloud.Create and review blueprints for software products, provide guidance on improving architecture.Coding mission critical parts and performing code reviews.Assist on integrating AI technologies to improve existing systems.Ensure that applications are in line with compliance and regulatory standards and conduct regular security assessments of these applications.Technical writing (creating related documentation)Assist developers with any architecture related issues and queries.

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

Read less

Solutions Architect - Tier Bank - Canary Wharf - 2 Stage interview process - ASAP start

Role - Application Architect

Duration - 6 months with very likely extension

Location - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf office

Rate - £750 per day (Inside IR35)

Experience -

In depth understanding of Object Orientated programming concepts as well as of the full Software Development Life Cycle.Good understanding of MS .NET Framework environments.Knowledge and experience of Agile methodologyKnowledge of Cloud and AI technologies that can be adopted into the workplaceExtensive experience working as a software and solutions architect.Experience in designing of high-level concepts for software solutions.Experience in development of Azure cloud-based as well as on-prem solutions.DevOps and SCRUM experienceExperience in Cloud migration planning and execution

Tasks -

Create and improve architectural standards for on premise and azure cloud software products, develop cloud migration procedures and guidelines.Assist in cloud migration projects, assess readiness and dependencies, optimize for the Cloud.Create and review blueprints for software products, provide guidance on improving architecture.Coding mission critical parts and performing code reviews.Assist on integrating AI technologies to improve existing systems.Ensure that applications are in line with compliance and regulatory standards and conduct regular security assessments of these applications.Technical writing (creating related documentation)Assist developers with any architecture related issues and queries.

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

Read less