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COBOL SW Engineer - Contingent Upon Award

Modernize and Maintain DoD Financial Systems – Senior Software Engineer (COBOL) Opportunity!
Leverage your COBOL expertise and mainframe experience to support the Headquarters Accounting Reporting System (HQARS)—a critical financial system within Defense Finance and Accounting Services (DFAS). Join a dedicated team ensuring mission-critical financial applications' stability, security, and modernization while working within an Agile, CMMI-compliant development environment.As a Senior Software Engineer supporting HQARS, the candidate will be responsible for the design, development, integration, and maintenance of COBOL-based financial applications running on Unisys mainframes.

They will apply advanced software engineering principles to optimize system performance, ensure compliance with DoD cybersecurity policies (DoD 8140.03), and deliver high-quality solutions per DFAS financial and accounting system requirements. The candidate will participate in all phases of the software development lifecycle (SDLC), with a focus on requirements analysis, system evaluation, testing, and acceptance (IV&V and DT&E). They will work in a collaborative Agile environment, ensuring adherence to CMMI practices, and be responsible for technical documentation, reporting, and stakeholder communication. Additionally, the candidate may serve as a Task Leader, overseeing project execution and ensuring service quality.Proficiency in COBOL Development

  • Hands-on experience in COBOL programming for enterprise financial applications. Mainframe Expertise – Skilled in Unisys Mainframe ECL and QLP, ensuring system stability and optimal performance. Cybersecurity Compliance – Meets DoD Manual 8140.03 requirements for cyber workforce qualification and system security standards.Agile Development Practices

  • Experience working in Agile environments, contributing to iterative development and process improvement.CMMI Best Practices

  • Knowledge of Capability Maturity Model Integration (CMMI) methodologies for software development and quality assurance.Financial & Accounting Systems Knowledge

  • Familiarity with DFAS financial systems, DoD regulations, and accounting data processing.Systems Integration & Optimization

  • Ability to analyze, evaluate, and integrate software components for improved efficiency and performance.Technical Documentation & Communication

  • Capable of preparing technical reports, system documentation, and stakeholder briefings.

Clearance Requirements


US Citizenship and IT-II Public Trust

Life at Diligent Consulting

Diligent Consulting Inc is an IT services provider delivering high quality solutions in Enterprise Architecture, Legacy System Revitalization & Transformation, Application Development, Cyber Security and Professional Services. We are appraised at CMMI Maturity Level 3 and ISO 9001:2008. Diligent is a Service Disabled Veteran Owned Small Business. We are proud to have been awarded a prime contract under NETCENTS-2 Application Services, Small Business. We uphold the values of integrity and professionalism and are grounded in an overriding dedication to apply the right skills to support our customer's mission. The Diligent team has an ideal combination of experience and leadership to provide complete IT lifecycle services with the ability to quickly understand, master, and exploit new technologies and tools helping customers solve specific mission challenges. We strive to have a positive impact upon the communities in which we live and work. Read more about us at Diligent's website.
Thrive Here & What We Value1. Collaborative & Innovative Environment2. Emphasis on Continuous Learning & Improvement3. Opportunities for professional growth and development4. Focus on Delivering High-Quality Products5. Strong Teamwork & Camaraderie

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