Senior Site Reliability Engineer

Make an impact by working for sectors where technology is the enabler, everything is ground-breaking and there’s a constant need to be innovative.

Create and enhance projects in Java, Python, Angular, PHP, .NET and so much more while diving in the world of Blockchain, Artificial Intelligence, Data Science, Security and Internet of Things.

Be part of the team that combines business knowledge, technological edge and a design experience. Our different backgrounds and know-how are key in developing solutions and experiences for digital clients.

Face challenges and learn other ways of thinking and seeing the world - there’s always room for your energy and creativity.

About The Role

We are seeking a Senior Site Reliability Engineer (SRE). 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).
  
  
  

What are we looking for?

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.
  
  
  

Other Technical Requirements:

• 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.
  
  
  

At Celfocus, we are committed to cultivate a diverse and inclusive workplace. As an equal-opportunity employer, we welcome applicants of all backgrounds, gender identities, and abilities. We are dedicated to providing reasonable accommodations for candidates with specific needs. If you require any adjustments during the selection process, please inform our Talent Acquisition Team.

Come join the Team!

Celfocus is a European high-tech system integrator, providing leading edge professional services focused on creating business value through Analytics and Cognitive solutions – addressing Telecommunications, Financial Services, Retail, Energy & Utilities, Pharmaceutical, and other markets' strategic opportunities.

As a highly specialised engineering company, Celfocus helps clients undergo their innovation path, providing technological solutions to extract value from data and make it actionable.

Serving clients in +25 countries, Celfocus delivers solutions that boost customer experience and enhance operational efficiency, via our Cognitive Automation, Data & Analytics and Digital offers.