Integration Developer (SC Cleared)

GCS Recruitment Specialists; United States; On-site; USD 90,000 - 150,000; Full time

Job summary

GCS Recruitment Specialists is seeking a System Integration Developer to join a client project requiring strong, recent hands-on experience delivering system integrations using SSIS and APIs. The role focuses on building and supporting API-based integrations and handling data across multiple applications in secure environments.

Candidates should demonstrate recent SSIS and API integration experience, with proficiency in C# and .NET.

Qualifications

• Strong, recent hands-on SSIS experience.
• Recent API integration experience.
• Proven track record delivering system integration projects.
• Experience with C# and/or .NET technologies.
• Active or lapsed SC Clearance is essential.

Responsibilities

• Design, develop and deliver system integration solutions.
• Build and maintain integrations using SSIS (SQL Server Integration Services).
• Develop and support API-based integrations, including REST/API services.
• Work across multiple applications and systems to ensure reliable data and service integration.
• Troubleshoot integration issues and support testing and deployment activities.
• Collaborate with technical and business stakeholders throughout the integration lifecycle.

Skills

SSIS

API integration

System integration

C# / .NET

SC Clearance

Tools

SQL Server

REST APIs

Job description

System Integration Developer | SSIS | APIs | C#/.NET | SC Cleared

We are looking for an experienced System Integration Developer / Engineer to join a client project requiring strong, recent hands‑on experience delivering system integrations using SSIS and APIs.

The successful candidate will have a proven background in system integration projects, with their recent experience clearly demonstrating practical use of SQL Server Integration Services (SSIS) and API integrations, alongside exposure to C# and/or .NET technologies.

Key Responsibilities

• Design, develop and deliver system integration solutions
• Build and maintain integrations using SSIS (SQL Server Integration Services)
• Develop and support API-based integrations, including REST/API services
• Work across multiple applications and systems to ensure reliable data and service integration
• Troubleshoot integration issues and support testing and deployment activities
• Work with technical and business stakeholders throughout the integration lifecycle

Essential Experience

• Strong recent hands‑on SSIS experience
• Strong recent API integration experience
• Proven experience delivering system integration projects
• Experience working with C# and/or .NET technologies
• Ability to demonstrate the above experience within recent roles/projects
• Active or lapsed SC Clearance is essential

Desirable Experience

• RESTful APIs / Web APIs
• SOAP / Web Services
• Microsoft SQL Server
• Integration testing and troubleshooting
• Experience working within secure or government environments

Clearance

Candidates must hold active or previously held/lapsed SC Clearance to be considered.