Senior .NET Architect & Data Integration Lead - TS/SCI

B&A

North Charleston (SC)

On-site

USD 120,000 - 150,000

Full time

14 days+

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Job summary

B&A in North Charleston, SC, seeks a seasoned software professional to support a federal program in a legacy technology environment. You will develop and maintain .NET/C# applications, stabilize development and production setups, and drive data movement across COBOL/mainframe and modern platforms.

The role requires 5–8+ years of experience, strong .NET and SQL skills, data integration, and the ability to work with federal staff and vendors.

Qualifications

We require a bachelor's degree in Computer Science, Information Systems, Engineering, or equivalent hands-on experience.
5–8+ years of experience in software development and/or systems architecture.
Strong expertise in .NET Framework and .NET Core with C# development.
Proficiency in Microsoft Visual Studio environments.
Experience with Oracle and/or Microsoft SQL Server.
Experience with data integration, data movement, or ETL workflows.
Familiarity with COBOL or mainframe systems.
Experience troubleshooting and supporting development and deployment environments.
Understanding of system integration and distributed systems.
Strong communication and collaboration skills.
Preference for federal or highly regulated environments.
Familiarity with Databricks and cloud platforms (Azure/AWS).
Experience with data modeling and database design.
Exposure to AI/ML or advanced analytics tools.
Relevant certifications (e.g., CompTIA Security+, Microsoft Azure Fundamentals, Azure Solutions Architect, Databricks Data Engineer, ITIL).
Active Top Secret clearance or ability to obtain TS/SCI.

Responsibilities

Support the development and upkeep of .NET/C# applications in a legacy environment using Visual Studio.
Establish and stabilize development and production environments with stakeholders to resolve setup, configuration, and deployment issues.
Design and deliver data movement and integration solutions across legacy systems, databases, and modern platforms.
Analyze existing COBOL/mainframe components and recommend improvements for performance and reliability.
Support data modeling and ETL processes to maintain consistent data flow.
Collaborate with federal staff, vendors, and internal teams to sustain operations and align technically.
Contribute to architecture discussions on connectivity and performance.
Apply modern tools and technologies to strengthen data processing and analytics capabilities.
Identify opportunities to improve efficiency and scalability within existing constraints.
Support documentation, knowledge transfer, and continuity of operations efforts.