Integration Software Engineer- OT-OPERATIONAL TECHNOLOGY

Location: Nearshore (Buenos Aires, Argentina or Costa Rica)

Employment Type: 12 Month Contract

Industry: Oil & Gas / IT Services

Job Summary

S3 is looking for Software Integration Engineers to design, implement, and optimize integration solutions that connect enterprise applications and services.

Required:

TECH STACK REQUIRED – 5+ Years of System architecture, APIs, cloud technologies, and enterprise integration patterns. Azure Cloud Services, (C# Java or Python)SQL, CI/CD, (SAP, Oracle or Workday), This role requires a deep understanding of software development best practices, security standards, and a strong ability to work in a global, Agile-driven environment.

Key Responsibilities

• Develop, maintain, and enhance software integration solutions that enable seamless data exchange across enterprise systems.
• Design and implement APIs, microservices, and middleware components for system interoperability.
• Collaborate with cross-functional teams, including developers, DevOps, cybersecurity, and infrastructure teams, to ensure smooth integrations.
• Troubleshoot and resolve integration issues, ensuring system performance, reliability, and security.
• Optimize database interactions and improve system efficiency using SQL, MSSQL, and NoSQL databases.
• Implement and maintain CI/CD pipelines for integration deployments.
• Work within cloud environments, primarily Azure, implementing security best practices such as authentication, authorization, and access control.
• Develop documentation, including technical design specifications, integration flow diagrams, and test cases.
• Support post-implementation troubleshooting, enhancements, and production monitoring.

Required Qualifications

• Education: Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or a related field.
• Experience: 5+ years in software development and system integration roles.

Technical Skills:

• Strong proficiency in RESTful API development, API gateways, and microservices architecture.
• Hands-on experience with Azure Cloud Services (Azure AD, Azure DevOps, API Management, Service Bus).
• Experience in programming languages such as .NET (C#), Java, Python, or JavaScript.
• Expertise in MSSQL, PostgreSQL, or NoSQL databases for optimizing queries and performance tuning.
• Familiarity with OSIsoft PI Historian, Splunk, and SolarWinds for data logging, monitoring, and analytics.
• Strong understanding of OAuth, OpenID Connect, and other authentication mechanisms.
• Experience with CI/CD pipelines (Jenkins, Azure DevOps, GitHub Actions).
• Familiarity with middleware platforms and enterprise service bus (ESB) solutions.
• Preferred Qualifications
• Experience working with ERP systems (SAP, Oracle, Workday) and their integration strategies.
• Knowledge of industrial automation and SCADA systems for Oil & Gas operations.
• Familiarity with Agile methodologies (Scrum, SAFe) and DevOps best practices.
• Strong problem-solving skills with the ability to work in fast-paced, complex environments.
• Experience working in a nearshore or global delivery model.

Soft Skills & Competencies

• Excellent analytical and troubleshooting skills.
• Strong verbal and written communication skills, with the ability to interact with technical and non-technical stakeholders.
• Ability to work independently and as part of a collaborative team.
• Strong time management and prioritization