Application Developer

Atos•Aberdeen, AK

3d•Onsite

About The Position

Atos is hiring a Sr. Java Developer for an onsite role in Phoenix, Arizona. The position focuses on supporting and improving the reliability, availability, and performance of business-critical Java applications and Informatica ETL workflows. The role includes production monitoring and troubleshooting, incident and change management, automation, and collaboration with development, database, infrastructure, and related application teams. The posting lists 4–6 years of experience and identifies Java, Informatica PowerCenter, SQL, Unix/Linux, production support, and shell scripting as primary skills. The overview refers to the role as an SRE Engineer, while the position title is Sr. Java Developer.

Requirements

4–6 years of experience.
Strong hands-on experience supporting and troubleshooting Java applications.
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 root cause analysis.
Understanding of application logs, performance monitoring, SLA management, and production stability.
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.

Nice To Haves

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.

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 and performance problems, and integration errors.
Diagnose Informatica workflow, session, mapping, and data-processing failures.
Perform root cause analysis and implement permanent fixes to prevent recurring incidents.
Develop Unix/Linux shell scripts 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.