Java Application Support Engineer
Job Summary
We are seeking a highly motivated
Java Application Support Engineer
to provide production support, maintenance, monitoring, troubleshooting, and enhancement of enterprise Java-based applications. The idóneo candidate will have strong experience supporting applications built on the
Java Spring Framework, J2EE, Oracle Database, JSP, JSTL, JavaScript, jQuery, and AWS
platforms. This role requires excellent problem-solving skills, a customer-focused mindset, and the ability to work in a fast-paced production environment.
Key Responsibilities
Provide Level 2 and Level 3 application support for mission-critical Java applications.
Monitor application health, performance, and availability across production and non-production environments.
Investigate, troubleshoot, and resolve application incidents within established SLAs.
Perform root cause analysis (RCA) and implement preventive measures.
Support deployments, releases, and application upgrades.
Analyze logs and system behavior to identify and resolve issues.
Work closely with development, infrastructure, database, and business teams to resolve production problems.
Execute SQL queries and troubleshoot database-related issues in Oracle.
Support applications hosted in AWS environments.
Maintain and enhance existing Java-based applications.
Create and maintain technical documentation, support procedures, and knowledge base articles.
Participate in on-call support rotations and incident management activities.
Identify opportunities for automation and process improvement.
Required Technical Skills
Core Technologies
Strong experience with
Java/J2EE




application support and development.
Hands-on experience with
Spring Framework (Spring MVC, Spring Boot, Spring Core)
.
Experience with
Oracle Database
including SQL query writing, performance analysis, and troubleshooting.
Knowledge of
JSP (Java Server Pages)
and
JSTL
.
Strong understanding of
JavaScript
and
jQuery
.
Experience supporting web-based enterprise applications.
Cloud & Infrastructure
Experience working with
AWS Cloud Services
such as:
EC2
S3
RDS
CloudWatch
IAM
Understanding of application deployment and monitoring in cloud environments.
Support & Troubleshooting
Experience with production support processes.
Strong debugging and log analysis skills.
Knowledge of application monitoring tools.
Understanding of incident, problem, and change management processes.
Experience working in SLA-driven support environments.
Preferred Qualifications
Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field.
3+ years of experience in Java Application Support or similar roles.
Experience with ITSM tools such as ServiceNow, Jira, or Remedy.
Knowledge of CI/CD tools and deployment processes.
Familiarity with Unix/Linux environments.
Experience working in Agile environments.
Required Soft Skills
Strong analytical and problem-solving abilities.
Excellent verbal and written communication skills.
Ability to manage multiple priorities effectively.
Strong customer service orientation.
Ability to work independently and within cross-functional teams.
Proactive mindset and ownership of issues through resolution.

📌 Java Application Support (Guadalajara)
🏢 Brillio
📍 Guadalajara