Systems Engineer

Apex Systems Inc

Software Engineer

We are seeking a highly skilled Software Engineer / Systems Engineer with strong PowerBuilder expertise to support Department of Defense (DoD) logistics and business IT systems that can hold and maintain an active secret security clearance. This role focuses on reverse engineering legacy applications, developing technical documentation, and supporting modernization efforts that bridge PowerBuilder-based systems with modern architectures.

The ideal candidate brings a combination of hands-on development experience, systems engineering rigor, and DoD domain knowledge—particularly within logistics, supply chain, or maintenance systems.

Responsibilities:

Reverse-engineer legacy PowerBuilder applications to validate system behavior and requirements
Develop detailed System Requirements Specifications (SRS) and System Design Documents (SDD)
Leverage AI-enabled tools (e.g., NIPRGPT) to assist with documentation and analysis
Collaborate with SMEs to validate requirements against existing system functionality
Translate complex technical concepts into clear, structured documentation
Support modernization efforts by bridging legacy PowerBuilder systems with web-based architectures

Software Development:

Maintain and enhance PowerBuilder (2017 R3+) applications
Perform database development and optimization using:

Sybase Adaptive Server Enterprise
Oracle (PL/SQL)
SQL Server

Conduct code reviews using tools such as Crucible and JIRA
Participate in Agile/Scrum ceremonies and development cycles

Requirements:

Ability to hold and maintain an active secret clearance
IAT II certification
Bachelor degree in CS, Engineering, Mathematics, or related fields
3+ YOE software design, development, and testing
1+ YOE supporting DoD business IT

Apply

Vacancy posted 1 day ago

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