.Net Developer

We are seeking an experienced Senior .NET Systems Architect / Developer to support a
federal program operating within a legacy technology environment while supporting
ongoing system enhancements and integration efforts. This role focuses on maintaining,
enhancing, and stabilizing existing systems while contributing to incremental
improvements in system architecture, data integration, and development processes. The
ideal candidate will have strong experience in .NET/C# development, familiarity with legacy
systems, and a demonstrated ability to support data movement and integration across
multiple platforms. This role will also contribute to improving development and
deployment workflows, including supporting environment setup and system
interoperability..

Responsibilities

• Support development and maintenance of .NET/C# applications within a legacy
system environment using Microsoft Visual Studio.

• Assist with establishing and stabilizing development and production environments,
including coordination with stakeholders to address setup, configuration, and
deployment challenges.

• Design and implement data movement and integration solutions across diverse
platforms (legacy systems, databases, and modern tools).

• Analyze existing systems (including COBOL or mainframe components) and
recommend practical enhancements to improve performance, reliability, and
maintainability.

• Support data modeling and ETL processes to ensure consistent and reliable data
flow.

• Collaborate with federal staff, vendors, and internal teams to support continuity of
operations and technical alignment.

• Contribute to system and network architecture discussions, including connectivity
and performance considerations.
, • Support evaluation and application of modern tools and technologies, where
appropriate, to enhance data processing and analytics capabilities.

• Identify opportunities to improve efficiency and scalability within existing system
constraints.

• Assist with documentation, knowledge transfer, and system continuity efforts.

Education and Experience

• Bachelor’s degree in Computer Science, Information Systems, Engineering, or
equivalent experience.

• 5–8+ years of experience in software development and/or system architecture.

Required Qualifications

• Strong experience with:

• .NET Framework / .NET Core

• C# development

• Microsoft Visual Studio development environments

• Oracle and/or Microsoft SQL Server (MS SQL)

• Experience with data integration, data movement, or ETL processes.

• Familiarity with legacy systems, including COBOL or mainframe environments.

• Experience troubleshooting and supporting development and deployment
environments.

• Understanding of system integration and distributed systems.

• Strong communication and collaboration skills.

Preferred Qualifications

• Experience working in federal or highly regulated environments.

• Familiarity with modern data platforms, including Databricks or similar technologies
(desired for future-state capabilities).

• Experience with data modeling and database design.

• Exposure to cloud platforms (Azure, AWS, or similar).
, • Basic understanding of network architecture and system connectivity.

• Exposure to AI/ML or advanced analytics tools.

Certifications (Preferred)

• CompTIA Security+ (or equivalent baseline certification)

• CompTIA Network+

• Microsoft Certified: Azure Fundamentals or Azure Solutions Architect

• Databricks Data Engineer Certification (desired)

• ITIL Foundation Certification

Key Attributes

• Strong problem-solving mindset in bridging legacy and modern systems.

• Practical, detail-oriented approach to system stability and incremental
improvement.

• Ability to work effectively in structured environments with evolving requirements.

• Collaborative approach across government, contractor, and vendor teams.

• Commitment to documentation, knowledge sharing, and operational continuity.

Security Clearance

• Active Top Secret clearance. Able to obtain TS/SCI.