Middleware Administrator

DXC Technology; Avilés; Hybrid; EUR 42,000 - 68,000; Full time

Job summary

DXC Spain is seeking a Middleware Administrator to join our team. You will work in a hybrid environment, administering middleware and web servers, deploying Java applications and managing SSL/datasources.

You will run containerized workloads on Azure AKS using Helm, Argo CD and KEDA, while collaborating with the CISO team to improve security and compliance. The role requires strong Java/JDK, middleware experience, and English proficiency.

Qualifications

• Experience administering middleware and application servers (WAS, JBoss, Tomcat, WebLogic).
• Strong Java/JDK knowledge, EAR/WAR deployments, and JVM tuning.
• SSL/certificate management and secure communications experience.
• Ability to apply hardening guides and compliance policies to web products.
• Proficient in English; team collaboration with CISOs and DevOps.

Responsibilities

• Administer, configure and maintain application servers (WAS, JBoss, Tomcat, WebLogic) and web servers (IHS, Apache).
• Deploy Java applications (EAR/WAR), configure datasources and JVM settings.
• Manage SSL certificates, clustering and load balancing.
• Run containerized workloads on Azure AKS using Helm, Argo CD and KEDA.
• Analyze system vulnerabilities and plan mitigations; patching and hardening.
• Collaborate with the CISO team and other technical teams for continuous improvement.

Skills

Middleware administration

Java/JDK

SSL/certificate management

Security/compliance awareness

English proficiency

Tools

IBM WebSphere

JBoss EAP/WildFly

Apache Tomcat

WebLogic

IHS / Apache HTTP Server

Azure AKS

Docker

Azure Container Registry

Helm

Argo CD

KEDA

Git / Gitea

YAML

Job description

Job Description:DXC helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures and ensuring security and scalability across public, private and hybrid clouds. The world's largest companies and public sector organizations trust DXC to deploy services to drive new levels of performance, competitiveness, and customer experience across their IT estates.Our more than 125,000 people in 70-plus countries are entrusted by our customers to deliver transformative technologies to ensure the success, safety and well-being of businesses and people around the world. By combining strengths and expertise globally, we create solutions and deliver greater outcomes for customers across their entire IT estate. Learn more about how we deliver excellence for our customers and colleagues at DXC.com.In Spain, we are one of the main leaders in the IT market. We have nearly 8,000 professionals, distributed in thirteen locations, with centers of excellence in cutting-edge technologies such as Cloud, Business Intelligence, AI, or Automation among many others, serving more than 200 customers from all industries in the public and private sectors. We work with leading companies in the country that trust us to guide their digital transformation.We develop active policies of diversity and inclusion of people with disabilities, and we are proud to have a representation of approximately 49% of female professionals.At DXC Spain we are looking for a Middleware Administrator to join our great team of Middleware specialists and take part in a major project.The person who joins us will work in a modern hybrid environment, from traditional Java application servers to containers on Azure. They will also focus on security, vulnerability management and compliance.Requirements:Must haveApplication Servers / Web: IBM WebSphere Application Server (WAS), JBoss EAP / WildFly, Apache Tomcat, Oracle WebLogic, IBM HTTP Server (IHS) and Apache HTTP Server.Middleware / Java: Java / JDK, EAR / WAR deployments, JDBC / datasource configuration, and JVM configuration and troubleshooting.SSL / certificate management.Clustering and load balancing, including WebSphere Plugin and mod_cluster.Cloud / Containers / DevOps: Microsoft Azure, Azure Kubernetes Service (AKS) / Kubernetes, Docker / containers, Azure Container Registry (ACR), Helm, KEDA and Argo CD.Version control and configuration: Git / Gitea and YAML.Advanced level of English.Nice to haveExperience applying hardening guides and compliance policies to web products.Experience fixing vulnerabilities and supporting CISO teams.Experience with Ansible, Python, GitHub, Rundeck or other mass deployment tools.Experience fixing technology obsolescence.Experience installing, maintaining and deploying databases on-premise and in public or private cloud.ProfileResults-oriented.Able to spot opportunities for efficiency and automation.Understands security metrics.Tasks:Administer, configure and maintain application servers (WAS, JBoss, Tomcat, WebLogic) and web servers (IHS, Apache).Deploy and manage Java applications (EAR/WAR), datasources and JVM settings.Manage SSL certificates, clustering and load balancing.Run containerized workloads on Azure AKS using Helm, Argo CD and KEDA.Analyse system vulnerabilities, prepare mitigation plans and plan changes.Run remediation through patching cycles, configuration and hardening adjustments, and scripting or work instructions.Work with the CISO team and other technical teams to drive continuous improvement.Why DXC? Life at DXCAt DXC, you'll join an employer of choice with strong values and a people-first culture built on inclusion, belonging and learning. You'll find real opportunities for professional development through meaningful work on leading projects for market reference clients, using leading technologies across the IT sector. We support flexibility and work-life balance, foster an excellent work environment, and invest in continuous learning through DXC University with unlimited certifications.We act with integrity and a strong sense of corporate citizenship, building an inclusive culture with community impact. It's also a place to build for the long term, with stable employment and a competitive package of social benefits—so brilliant people can advance their careers while helping our customers succeed.At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We’re committed to fostering an inclusive environment where everyone can thrive.Recruitment fraud is a scheme in which fictitious job opportunities are offered to job seekers typically through online services, such as false websites, or through unsolicited emails claiming to be from the company. These emails may request recipients to provide personal information or to make payments as part of their illegitimate recruiting process. DXC does not make offers of employment via social media networks and DXC never asks for any money or payments from applicants at any point in the recruitment process, nor ask a job seeker to purchase IT or other equipment on our behalf. More information on employment scams is available here.