Principal OT Security Architect

Added 06/04/2026

Role OverviewA leading organisation specialising in cybersecurity and digital transformation is seeking a Principal OT Security Solution Architect to join their team. The company delivers strategic advisory services and customised security solutions to large enterprises and public‑sector clients. Key ResponsibilitiesDevelop high‑quality technical content for proposals, including diagrams, project plans, compliance documentation, and other formal submission materials.Plan, coordinate, and oversee customer proof‑of‑concept (POC) engagements, defining scope, success criteria, technical requirements, timelines, and presenting outcomes.Produce and maintain OT‑security‑related technical documentation such as design concepts, use cases, integration approaches, high‑ and low‑level designs, best practices, and POC reports. Skills & Experience RequiredStrong understanding...

Security Architect (AppSec and Network Security) - B2B

Added 06/04/2026

Role: Security Architect (AppSec and Network Security) - B2BDuration: 6-month rolling contractWorking Pattern: Krakow, Hybrid (handful of days per month)GCS Cyber are partnered with a global financial services organisation undergoing multiple large-scale transformation programmes across their Cyber Security division. They are now looking for a Security Architect who has extensive experience managing end-to-end solution designs within large-scale transformation programmes with a heavy focus on Network Security and Application Security Proven experience producing high-level solution designs in line with business requirements.Proven ability to conduct security assessments and threat modelling to inform design decisions.Strong background in cybersecurity, with deep expertise in network...

AWS Security Architect - Contract

Added 08/07/2026

AWS Security Architect - ContractWe 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 Security Architect

Added 08/07/2026

AWS Security ArchitectWe 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...

Cloud Security Architect

Added 12/05/2026

Cloud Security ArchitectContractIndustry: Global FinTech Platform Location: Hybrid (Amsterdam) Contract Length: 6-12 monthsAbout the RoleA leading FinTech provider is modernising its global cloud footprint and requires a Cloud Security Architect to design, implement, and govern cloud security standards across multi‑cloud estates. You will be the senior technical authority shaping how secure‑by‑design cloud services are built.Key ResponsibilitiesDesign secure architectures across AWS and Azure for high‑volume financial services.Define IaC security standards, encryption baselines, and identity patterns.Lead threat modelling, architectural risk assessments, and cloud posture reviews.Support engineering teams with secure build patterns, guardrails, and security automation.Act as a technical SME for cloud security...

Security Architect - B2B

Added 12/05/2026

Role: Security Architect (AppSec and Network Security) - B2BDuration: 6-month rolling contractWorking Pattern: Krakow, Hybrid (handful of days per month)GCS Cyber are partnered with a global financial services organisation undergoing multiple large-scale transformation programmes across their Cyber Security division. They are now looking for a Security Architect who has extensive experience managing end-to-end solution designs within large-scale transformation programmes with a heavy focus on Network Security and Application Security Proven experience producing high-level solution designs in line with business requirements.Proven ability to conduct security assessments and threat modelling to inform design decisions.Strong background in cybersecurity, with deep expertise in network...

AWS Security Architect (Cloud)

Added 27/04/2026

AWS Security Architect (Contract)Location: Remote (UK-based)Clearance: SC Cleared (Required) - Must have active clearanceContract Type: Day Rate ContractOverviewWe are seeking an experienced AWS Security Architect for my client to support the enhancement and optimisation of cloud security across a large-scale AWS environment. You will work closely with platform engineering teams to strengthen security controls, improve tooling, and ensure best practice adoption across the AWS estate.Key ResponsibilitiesDesign and implement secure AWS architectures aligned with industry best practicesCollaborate with platform engineering teams to embed security into cloud-native solutionsAssess and improve existing AWS security tools and controlsEnhance the organisation's cloud security posture through...

Cloud Security Architect

Added 07/04/2026

Cloud Security Architect ContractIndustry: Global FinTech Platform Location: Hybrid (Amsterdam) Contract Length: 6-12 monthsAbout the RoleA leading FinTech provider is modernising its global cloud footprint and requires a Cloud Security Architect to design, implement, and govern cloud security standards across multi‑cloud estates. You will be the senior technical authority shaping how secure‑by‑design cloud services are built.Key ResponsibilitiesDesign secure architectures across AWS and Azure for high‑volume financial services.Define IaC security standards, encryption baselines, and identity patterns.Lead threat modelling, architectural risk assessments, and cloud posture reviews.Support engineering teams with secure build patterns, guardrails, and security automation.Act as a technical SME for cloud...

Application Architect - Modernisation project

Added 06/07/2026

Solutions Architect - Tier 1 Bank - Canary Wharf Role - Application ArchitectDuration - 6 months with very likely extensionLocation - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf officeRate - £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...

Zero Trust Network Access Architect - London Hybrid

Added 02/07/2026

Role: Zero Trust Network Access ArchitectDuration: 6-month rolling ContractRate: Up to 700 Inside ir35Location: London - 2 days a week on site.We're supporting a major cyber transformation programme and are seeking an experienced Zero Trust Network Access Architect to define and deliver a Zero Trust strategy across a global organisation.Must have experience leading large-scale enterprise programmes end-to-end.Key responsibilities:Define the Zero Trust strategy, roadmap and target architecture.Lead delivery of a global Zero Trust blueprint across organisationDrive adoption across Identity, Endpoint, Network and Cloud security workstreams.Work closely with Entra ID, Conditional Access, PIM, Intune, Defender and Zscaler teams.To find out more, please...

Application Architect - Modernisation project

Added 29/06/2026

Solutions Architect - Tier 1 Bank - Canary Wharf Role - Application ArchitectDuration - 6 months with very likely extensionLocation - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf officeRate - £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...

M365 Technical Architect

Added 26/06/2026

Microsoft 365 Technical Architect📍 Dublin (Hybrid) 📅 12-Month Contract | Strong Likelihood of ExtensionWe're working with a large enterprise client that is looking to hire an experienced Microsoft 365 Technical Architect to join a major workplace transformation programme.This is an architecture role where you'll take ownership of the design and delivery of enterprise Microsoft 365 solutions, leading large-scale tenant migrations while ensuring security, governance and compliance across a complex environment.ResponsibilitiesDesign end-to-end Microsoft 365 architecture across Exchange Online, Teams, SharePoint Online and OneDrive.Develop target-state architecture, migration strategies and implementation roadmaps.Lead enterprise tenant-to-tenant migrations and divestiture activities.Deliver Day 1 / Day 2...

Application Architect - Modernisation project

Added 17/06/2026

Solutions Architect - Tier Bank - Canary Wharf - 2 Stage interview process - ASAP start Role - Application ArchitectDuration - 6 months with very likely extensionLocation - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf officeRate - £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...

IT Infrastructure Architect

Added 16/06/2026

IT Infrastructure Architect - Shape the Future of Global Airport TechnologyStep into a role where your technical leadership directly influences large‑scale, mission‑critical systems used in airports around the world. As an IT Infrastructure Architect, you'll guide the full lifecycle of infrastructure delivery from early sales engagement to final service handover, ensuring every solution is robust, secure and engineered for long‑term success. 🌍 What You'll DoLead Infrastructure Delivery - Own the technical design and delivery of IT infrastructure within complex airport system projects.Collaborate with Global Teams - Work closely with peer architects, engineers and product specialists across continents.Design Future‑Ready Solutions -...

Application Architect - Modernisation project

Added 10/06/2026

Solutions Architect - Tier Bank - Canary Wharf - 2 Stage interview process - ASAP start Role - Application ArchitectDuration - 6 months with very likely extensionLocation - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf officeRate - £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...