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Senior Site Reliability Engineer

Porto

Job description

We are seeking a Senior Site Reliability Engineer (SRE) for Lisbon or Porto.

This is a hybrid role, 2x/week at the client's office.

This role involves close collaboration with Agile teams and requires strong skills in both infrastructure and development/operations areas. You will be working on ensuring system reliability, scalability, and performance during critical migrations and upgrades.

As a part of your job, you will:

Lead and support the migration of WebLogic from 11g to 12c, including Portal upgrade.
Collaborate with Agile teams to ensure seamless integration and delivery.
Maintain and enhance systems using WebCenter Content & Portal.
Support Java upgrade from versions 1.7 to 1.8 across applications.
Monitor and manage Oracle database performance and integration with applications.
Build and maintain CI/CD pipelines (using Jenkins and similar tools).
Ensure high availability, fault tolerance, and performance of applications and services.
Implement infrastructure automation and develop monitoring solutions.
Write and maintain scripts for system administration (Unix-based environments).

Requirements

Relevant Industry Experience and Educational Requirements:

Bachelor’s degree in computer science, engineering, or related field.
Preferably 5+ years in DevOps, SRE, or system engineering roles.
Experience in enterprise-level system migrations and upgrades.
English proficiency (spoken and written) is mandatory.

Mandatory Technology:

WebLogic (11g and 12c).
WebCenter Portal and WebCenter Content (WCC).
Java (versions 1.7 and 1.8).
Oracle Database.
CI/CD Tools – Jenkins preferred.
Unix system administration with bash scripting.

Nice to have:

Experience with WSDL, JDBC, JMS, Datasources, and queues.
Hands-on experience building automation tools for operational efficiency.
Familiarity with Agile environments and working in international teams.

Personal traits

Ability to adapt to complex systems and changing project requirements.
Comfortable working both independently and as part of a distributed team.
Strong collaboration mindset to work across teams and client environments.
Motivation for international projects; open to occasional travel if needed.
Excellent communication skills and ability to explain technical topics clearly.
Proactive, detail-oriented, and a strong problem-solver.

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