Java Modernization Technical Architect - SC Clearance

Randstad Technologies Recruitment; City Of London; Híbrido; GBP 110.000 - 150.000; Jornada completa

Descripción de la vacante

Randstad Technologies Recruitment seeks a Java Modernization Technical Architect to lead enterprise cloud transformation. You will define migration strategies for legacy Java apps moving to Azure and guide cloud-native deployment across complex environments.

You will oversee upgrades to Java 11/17, migrate to Jakarta EE, containerize with Docker/Kubernetes, and build CI/CD pipelines with Azure DevOps/GitHub Actions. SC clearance required.

Formación

• Deep Java knowledge (8/11/17) and Java EE/Jakarta EE experience.
• Experience migrating apps from WebLogic/GlassFish/WebSphere/Tomcat.
• Azure cloud platform experience with AKS/ACA/ARO and App Service.
• Proven modernization and security hardening of legacy apps.
• Containerization with Docker/Kubernetes and CI/CD pipelines.
• Exposure to Angular or similar front-end tech is a plus.
• Active UK SC clearance is required prior to onboarding.

Responsabilidades

• Lead end-to-end architecture design and migration strategies to Azure native platforms.
• Migrate legacy Java workloads from WebLogic/GlassFish/WebSphere/JBoss to cloud environments.
• Design scalable microservices using AKS, ACA, ARO and App Service.
• Oversee Java upgrades from 6/8 to 11/17 and Jakarta EE migrations.
• Establish container strategies and automated CI/CD with Azure DevOps & GitHub Actions.
• Architect Landing Zone integrations, security hardening, and observability.

Conocimientos

Java 8/11/17

EJB/CDI/JNDI/JMS

Spring Boot/Spring Cloud

Front-End Basics (Angular/JS)

Security & OAuth2/JWT

Cloud Architecture (Azure)

SC Clearance

Herramientas

Docker

Kubernetes

Azure DevOps

GitHub Actions

Descripción del empleo

Job Title

Java Modernization Technical Architect

Engagement Type

Contract (Initial 6 Months, potential for extension)

Location

London, UK (Hybrid)

Clearance Requirement

Active UK Government Security Check (SC Clearance Required)

Role Overview

We are seeking an experienced Java Modernization Technical Architect to lead enterprise-scale cloud transformation initiatives. In this role, you will define and execute architecture migration strategies for legacy Java applications moving to Microsoft Azure. You will serve as the technical authority guiding cloud-native deployment, application remediation, containerization, and platform modernization across complex enterprise environments.

Key Responsibilities

• Architecture & Strategy: Lead end-to-end architecture design and migration strategies for legacy Java workloads moving to Azure native platforms.
• Legacy Application Migration: Transition applications running on WebLogic, GlassFish, WebSphere, JBoss EAP, and Tomcat to modern cloud environments.
• Cloud Architecture: Design scalable microservices, Domain-Driven Design (DDD) patterns, and integration architectures tailored for Azure App Service, Azure Kubernetes Service (AKS), Azure Container Apps (ACA), and Azure Red Hat OpenShift (ARO).
• Java Modernization: Oversee application upgrades from legacy Java versions (Java 6/8) to modern LTS releases (Java 11/17) and manage Java EE to Jakarta EE migrations.
• Containerization & CI/CD: Establish robust container strategies (Docker, Kubernetes) and build automated CI/CD pipelines using Azure DevOps and GitHub Actions.
• Landing Zone & Cloud Integration: Architect integrations with Azure Landing Zones, Azure Storage, Azure SQL, and Azure Key Vault while ensuring strict security hardening, performance optimization, and observability.
• Governance & Leadership: Provide architectural oversight, conduct design reviews, establish migration best practices, and collaborate closely with client stakeholders, engineering leads, and DevOps teams.

Required Skills & Qualifications

• Core Java Expertise: Deep technical knowledge of Java 8, 11, and 17, JVM internals, Spring Boot, Spring Cloud, and Enterprise Java EE / Jakarta EE (including EJB, CDI, JNDI, JMS).
• Application Servers: Extensive experience with WebLogic, GlassFish, JBoss EAP, and Tomcat.
• Azure Cloud Platforms: Proven experience with Azure App Service, Azure Kubernetes Service (AKS), Azure Container Apps (ACA), ARO, Azure Storage, Azure SQL, and Azure Key Vault.
• Modernization & Security: Track record in legacy-to-cloud application migration, OAuth2, JWT, REST API architecture, performance tuning, and security hardening.
• Containerization: Hands‑on experience with Docker and Kubernetes for container orchestration.
• Front-End Fundamentals: Exposure to client-side technologies such as JavaScript and Angular.
• Clearance: Active UK Security Check (SC) clearance is strictly required prior to onboarding.