Complex Applications Engineer - L2/L3 Support & CI/CD

DXC Technology Company; Hampshire Township (IL); On-site; USD 66,000 - 106,000; Full time

Job summary

DXC Technology is seeking an Applications Engineer to provide L2/L3 support and development for complex, critical applications in a secure environment at our Hampshire site. You will resolve incidents, implement enhancements and work across legacy and modern systems, ensuring reliable service delivery.

The role requires experience with Java, Python, C#/.NET, PowerShell and strong REST/SOAP API knowledge, plus CI/CD and ITIL-aligned processes. Onsite work 5 days/week in Hampshire, UK.

Qualifications

• Experience with programming or scripting languages such as Java, Python, C#/.NET, PowerShell or equivalent.
• Knowledge of enterprise and web-based applications, client-server environments, COTS products and legacy systems.
• Understanding of REST/SOAP APIs, JSON, XML, messaging technologies and middleware.
• Experience working with relational databases, such as SQL Server, Oracle or equivalent technologies.
• Familiarity with Windows and Linux operating systems, including virtualised environments.
• Experience using version control systems such as Git, CI/CD pipelines, debugging tools and automated testing frameworks.
• Knowledge of application monitoring, log analysis, performance investigation and troubleshooting, alongside an understanding of ITIL service management processes.
• Understanding of secure development practices, vulnerability remediation, access controls and configuration management.

Responsibilities

• Provide L2/L3 technical support for complex applications, resolving escalated incidents and problems.
• Investigate application failures, performance issues and integration faults, undertaking root-cause analysis.
• Develop, test and implement application enhancements, defect fixes and technical improvements.
• Maintain and modify existing application code, scripts, interfaces and configurations.
• Support legacy and modern applications, including bespoke, COTS, web and client-server systems.
• Support application upgrades, patching, migrations and technology refresh activities.
• Undertake code reviews, unit testing, integration testing and defect resolution.
• Support application deployments and releases using established CI/CD processes.
• Diagnose database, middleware, infrastructure and application integration issues.
• Identify opportunities for automation, performance optimisation and technical debt reduction.
• Maintain technical documentation, source code and configuration records.
• Ensure compliance with security policies, secure coding standards and operational controls.

Skills

Java

Python

C#/.NET

PowerShell

REST APIs

SOAP APIs

Tools

Git

CI/CD pipelines

Debugging tools

Automated testing frameworks

Job description

DXC Technology is seeking an Applications Engineer to provide L2/L3 support and development for complex, critical applications in a secure environment at our Hampshire site. You will resolve incidents, implement enhancements and work across legacy and modern systems, ensuring reliable service delivery.

The role requires experience with Java, Python, C#/.NET, PowerShell and strong REST/SOAP API knowledge, plus CI/CD and ITIL-aligned processes. Onsite work 5 days/week in Hampshire, UK.