Software Engineer / Systems 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: Systems Engineering (70%)

• 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 (30%)

• 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

• Ability to hold and maintain and 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

Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico. Everforth Apex uses a virtual recruiter as part of the application process. Click for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at