Application Developer

Atos is the Atos Group brand dedicated to AI-powered, secure, end-to-end digital services. Atos designs, develops, and operates critical digital environments that drive performance, resilience and sovereignty, helping public and private organizations worldwide retain control over their data and infrastructures, while meeting regulatory requirements.

With more than 52,000 employees serving over 4,500 clients across 54 countries, Atos helps modernize core IT systems, accelerate cloud and data transformation, strengthen cybersecurity, and deliver secure digital workplace environments to support its clients, its employees and society. Atos also provides consulting and advisory services through its Atos Amplify brand.
A trusted partner in operating complex and mission-critical environments, Atos supports organizations across highly regulated and sovereign contexts.

About Atos Group

Atos Group is a global leader in digital transformation with c. 54,000 employees and annual revenue of c. €7.2 billion, operating in 54 countries under two brands - Atos for services and Eviden for products and systems. European number one in cybersecurity and a leader in cloud, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos Group is listed on Euronext Paris.

Position: Sr. Java Developer 

Phoenix, AZ (Onsite)

Type: Fulltime

Job Description

Experience: 4–6 years

Primary Skills: Java, Informatica PowerCenter, SQL, Unix/Linux, Production Support, Shell Scripting Role Overview We are looking for an experienced SRE Engineer with strong hands-on experience in Java applications and Informatica ETL workflows to support and improve the reliability, availability, and performance of business-critical applications and data pipelines. Key Responsibilities Provide production support for Java-based applications and Informatica ETL workflows. Monitor batch jobs, ETL processes, application health, and production schedules to ensure SLA adherence. Troubleshoot Java application issues, production failures, memory/performance problems, and integration errors. Diagnose Informatica workflow, session, mapping, and data processing failures. Perform root cause analysis (RCA) and implement permanent fixes to prevent recurring incidents. Develop automation scripts using Unix/Linux shell scripting to reduce manual operational effort. Write and optimize SQL queries to investigate data discrepancies and resolve database-related issues. Manage incidents, problems, changes, deployments, and production releases. Collaborate with development, database, infrastructure, and upstream/downstream application teams. Improve monitoring, alerting, automation, system reliability, and operational efficiency. Participate in on-call support and rotational shifts as required. Required Technical Skills Strong hands-on experience in Java application support and troubleshooting. Experience with Informatica PowerCenter, including workflows, sessions, mappings, and ETL troubleshooting. Good knowledge of SQL and relational databases such as Oracle, DB2, or Teradata. Strong Unix/Linux skills and shell scripting. Experience with batch scheduling tools such as Control-M or equivalent. Experience in L2/L3 production support, incident management, problem management, and RCA. Understanding of application logs, performance monitoring, SLA management, and production stability. Preferred Skills Knowledge of SRE principles, observability, and service-level objectives (SLOs). Experience with monitoring tools such as Splunk, Dynatrace, AppDynamics, or equivalent. Exposure to CI/CD pipelines, Git, and deployment automation. Experience with ITIL processes and production change management. Financial services or other large-scale enterprise application support experience. Candidate Expectations Strong analytical and problem-solving skills. Ability to troubleshoot complex production issues independently. Good communication and stakeholder management skills. Focus on automation, proactive issue prevention, and continuous service improvement.

Here at Atos, diversity and inclusion are embedded in our DNA. Read more about our commitment to a fair work environment for all.

Atos is a recognized leader in its industry across Environment, Social and Governance (ESG) criteria. Find out more on our CSR commitment. 

Choose your future. Choose Atos.