Senior GUI Software Engineer – X Windows/Motif, SL-GMS, Fortran

Location Aberdeen Proving Ground, MD (onsite, secure lab) Clearance Active DoW Secret clearance or higher required Employment type Full-time, exempt Agile Decision Sciences is seeking a Front End GUI Engineer to support the RSCCE system for the CECOM Army Software Innovation Center at Aberdeen Proving Ground. RSCCE is a long-lived, mission-critical system built on legacy Digital Equipment Corporation (DEC) VAX/OpenVMS platforms, with operator displays developed in the Sherrill-Lubinski Graphical Modeling System (SL-GMS) on DECwindows Motif, OpenVMS’s integrated X Window/Motif environment, and application code in Fortran 77. You will sustain, troubleshoot and enhance the system’s graphical operator interface, working alongside the RSCCE Cyber Engineer and Database Engineer. This is a rare opportunity for an engineer who enjoys bridging legacy and modern technology on a system that directly supports strategic satellite communications.  Key Responsibilities  Maintain, modify and enhance RSCCE operator graphical displays and front-end applications built in SL-GMS on DECwindows Motif and Fortran 77 on DEC VAX/OpenVMS. Work directly with system users and operators to capture requirements and translate them into software and display design changes. Analyze, test, troubleshoot, patch, update and install software on the RSCCE baseline. Resolve application errors and software bugs; identify root causes and recommend mitigation or resolution actions. Implement enhancements through RFCs and other change vehicles (e.g., IAVAs), following the CECOM SEC Change Advisory Board (CAB) process. Develop interfaces and test tools with an emphasis on automation; participate in test planning and execute testing of display and application changes. Support analysis and planning for modernization or migration of legacy RSCCE components. Document software design and prepare deliverables, including Technical Reports, Test Plans/Reports, Software Version Descriptions, ECPs and Deployment Plans Required Qualifications At least 12 years within the last 15 years designing, developing and testing applications, including GUI, services and database tiers. Experience formulating and analyzing software requirements, and assisting system engineers with tradeoff analysis of technologies and approaches. Experience developing interfaces and test tools, with an emphasis on automation. Experience creating scalable, maintainable and extensible databases, and supporting testing and integration of applications and databases. Experience documenting software and database design and associated tools. Experience with the Sherrill-Lubinski Graphical Modeling System (SL-GMS). Experience with the X Window System / DECwindows Motif (OpenVMS’s integrated X Window/Motif graphical environment). Experience with Fortran 77. Experience with Digital Equipment Corporation (DEC) VAX and OpenVMS. Bachelor’s or advanced degree in Computer Science, Engineering or a related technical discipline or or 4+ additional years of equivalent professional work experience.  Active DoW Secret security clearance or higher. Candidates without a minimum of a Secret clearance will not be considered.    Preferred Qualifications  Bachelor’s or advanced degree in Computer Science, Engineering or a related technical discipline. Experience migrating legacy VAX/OpenVMS or Fortran applications to modern platforms or emulation environments. Experience supporting satellite control, SATCOM or other real-time command-and-control systems. Prior experience supporting Army CECOM or APG-based programs. ## Work Environment Work is performed onsite at Aberdeen Proving Ground, MD, in a secure Government lab.  Occasional CONUS travel may be required. Must be able to work in an environment that handles classified information and follow all AT/INFOSEC/OPSEC requirements.