CI/CD Automation Engineer

Who We Are:

Visit us at UST.com.

The Role:

We are seeking an experienced CI/CD Automation Engineer to support the modernization of legacy applications by migrating source control from TFS/Azure DevOps to GitHub and implementing automated build and deployment pipelines. The role will focus on repository migration, GitHub Actions, Jenkins deployment automation, and supporting Terraform-based deployments across SDLC environments. The applications in scope include legacy solutions developed in COBOL and C#/.NET.

What You’ll Do:

· Migrate the COBOL and C# application repositories from TFS and ADO to GitHub, preserving history where feasible, and validate completeness after cutover.

· Define repository structure, branch protections, and access models.

· Build and maintain GitHub Actions workflows to compile, test, and package both applications.

· Develop Jenkins deployment pipelines, and evaluate Harness where it adds value, that progress releases through each SDLC environment with appropriate gates.

· Retire legacy TFS/ADO build and release definitions after migration.

This position description identifies the responsibilities and tasks typically associated with the performance of the position. Other relevant essential functions may be required.

What You Need:

Required:

· Experience migrating repositories from TFS (TFVC) or ADO to GitHub, including tooling and history conversion.

· Strong GitHub Actions experience, including reusable workflows and self-hosted runners.

· Jenkins pipeline experience (declarative pipelines, shared libraries).

· Familiarity with building C#/.NET applications.

· Hands-on experience with Git and GitHub, including branching strategies and pull request workflows.

· CI/CD pipeline development with at least one of GitHub Actions or Jenkins, and a working understanding of the other.

· Terraform fundamentals: modules, state management, and promoting code through environments.

· Working knowledge of AWS services, including CloudWatch.

· Understanding of SDLC environment progression (for example Dev, Test/QA, Staging, Production), approvals,



and promotion controls.

· Scripting in PowerShell, Bash, or Python for automation.

· Ability to work with legacy technology and learn unfamiliar platforms such as COBOL runtimes and .NET build tooling.

· Clear documentation, runbook writing, and collaboration with application and operations teams.

Preferred:

· Harness experience.

· Exposure to COBOL build and compile processes.

Key Skills: CI/CD, GitHub, AWS, Terraform

Location & Compensation:

Compensation can differ depending on factors including but not limited to the specific office location, role, skill set, education, and level of experience. UST provides a reasonable range of compensation for roles that may be hired in various U.S. markets as set forth below.

Role Location: Mexico City

Compensation Range: Will be disclosed

Benefits

Employees receive mandatory and non-mandatory benefits such as fourteen (14) days of vacation beginning on the date of hire, vacation premium, ten (10) paid holidays, a Christmas Bonus of thirty (30) days’ pay, Monthly Food Vouchers, Saving Fund, and health insurance. Certain employees may be eligible for additional Company benefits beginning on the date of hire, including dental, disability and life insurance plans; four (4) days of personal time off per year, up to three (3) days of paid medical leave per year, and up to three (3) days of paid bereavement leave per year.

What we believe:

We proudly embrace the values that have shaped UST since day one. We build our culture of Humility, Humanity, and Integrity. These values inspire us to nurture a people-first, human centric culture that fosters diversity, prioritizes sustainable solutions, and keeps our people and clients at the forefront of all decisions.

Humility:

We will listen,



learn, be empathetic and help selflessly in our interactions with everyone.

Humanity:

Through business, we will better the lives of those less fortunate than ourselves.

Integrity:

We honor our commitments and act with responsibility in all our relationships.

An Equal Opportunity Workplace, Free of Discrimination and Harassment

At UST, we strive to provide a work environment free of discrimination and harassment. We are an equal opportunity employer and employment decisions are based on merit and business needs.

Our Human Rights

Policy further illustrates our stand on this. We are committed to following fair employment practices that provide equal opportunities to all employees. We do not discriminate or allow harassment on the basis of race, color, religion, disability, gender, national origin, sexual orientation, gender identity, gender expression, age, genetic information, military status, or any other legally protected status. At UST, we value diversity and believe that a diverse workplace builds a competitive advantage.

Un lugar de trabajo con igualdad de oportunidades y libre de discriminación y acoso En UST, nos esforzamos por proporcionar un ambiente de trabajo libre de discriminación y acoso. Somos un empleador que ofrece igualdad de oportunidades y basa las decisiones de empleo en los méritos y las necesidades del negocio. Estamos comprometidos a seguir prácticas de empleo justas que brinden igualdad de oportunidades a todos los empleados.

No discriminamos ni permitimos el acoso por motivos de raza, color, religión, discapacidad, género, origen nacional, orientación sexual, identidad de género, expresión de género, edad, información genética, estado militar o cualquier otro estado legalmente protegido. En UST, valoramos la diversidad y creemos que un lugar de trabajo diverso construye una ventaja competitiva.

UST reserves the right to periodically redefine your roles and responsibilities based on the requirements of the organization and/or your performance.

#UST

CI/CD, GitHub, AWS, Terraform

📌 CI/CD Automation Engineer (Ciudad de México)
🏢 Ust
📍 Ciudad de México