Would you like to help us achieve our purpose of connecting more people, improve their lives and develop our communities? If so, Tigo is for you! We are champions of positive transformation. We believe in innovation, adaptation, and prioritizing our customers at the core of all our actions. Come and grow with our team, where together we will transform lives and communities. Additionally, you will have the opportunity to participate in challenging projects and bring your innovative ideas. This is your opportunity, come and be part of Sangre Tigo! **Apply right now!** E\-Tools Engineer **Drive innovation in customer experience!** We are looking for professionals to **develop and implement solutions** that drive **continuous improvement and customer experience** . If you are passionate about technological challenges and continuous improvement **This opportunity is for you!** **We are looking for an E\-Tools Engineer.** **Location:** El Salvador **Main Purpose:** Analyze, design and implement technological solutions that support the launch of new products or modifications in systems related to Customer Experience. Your mission is to ensure the optimal performance, availability and security of these solutions, aligning their performance with business objectives and promoting continuous improvement of the customer experience. **Responsibilities:** * Design end-to-end technical solutions considering all IT components (middleware, databases, etc.), including capacity analysis of the systems involved. * Fulfill the premise of “Customer First”, “Customer Centricity” in each Change Management process. * Prepare necessary documentation and hand over to the O&M team regarding the project or change request, as well as lead the Production Deployment window and provide proper follow-up ensuring correct operation during the pilot phase. * Administer, monitor and optimize Customer Experience applications, guaranteeing their stability, high performance and alignment with business objectives. * Design and implement automation strategies to improve operational efficiency and customer experience. * Establish and enforce a work plan associated with a project or Change Management request across all phases of the change cycle (Analysis, Development, Testing, Production Deployment and Babysitting). * Lead the creation of the base test matrix for the Quality team, ensure unit testing of involved components is performed, and execute component integration testing. Support the Quality team during testing. * Lead end-to-end performance testing when applicable and based on prior analysis. **Requirements:** * **Graduated in Systems Engineering, Computer Science or related fields.** * **Solid knowledge of UML**, including: Use Cases, ER Diagrams, Sequence Diagrams, Deployment and Class Diagrams. * **Extensive knowledge of operating systems**: Linux and Windows. * **Knowledge of** XML, XSLT, XSSD, XPATH, XQUERY *(desirable)* . * + ️ **Experience with configurations** of SOAP, EJB, JNDI, JDBC, MDB, Datasources, Spring, Quartz *(desirable)* . * ️ **Experience with databases** SQL / Oracle / PostgreSQL: queries, procedures and data validation. * **Process automation** with Python, Power Automate, cron jobs, Selenium, Open Test *(desirable)* . **Apply now and become part of the future of telecommunications in El Salvador!** **\#JobOpportunity \#TigoElSalvador \#Telecommunications \#ProfessionalGrowth** \#TigoElSalvador Our people are the soul of Tigo El Salvador. We employ more than 4,500 people directly and indirectly, which makes us proud of being a responsible company that contributes to the economic growth of the country. More than job opportunities, at Tigo we create professional development networks where our employees have no barriers to reach their full potential. Our Sangre Tigo culture is lived in every corner of our work centers, pushing us to be the best. Sangre Tigo moves us to work together with a purpose, to be innovative, agile and disciplined, to guide our actions by our integrity, to place our clients at the center of everything we do, to be engines of positive change, being always proud of our history. We promote the digital lifestyle and take full advantage of technology to facilitate the day\-to\-day life of our clients. Throughout the years, we have been acknowledged as one of the top workplaces in El Salvador and Central America. At Tigo, we are not just a great workplace; we are a community of amazing people to work with. We welcome you to join our team! Apply Now! *Millicom \| Tigo is proud to be an Equal Employment Opportunity employer committed to a diverse workforce and nondiscrimination policy in all aspects of employment. We provide equal opportunity and access for all persons, without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, status as a disabled veteran or other protected veteran, or any other protected characteristic, in all phases of the employment process and in compliance with applicable federal, state, and local laws and regulations.*