Senior Principal Software Engineer​/Deputy Program Manager - CGSWeb

Epsilon Systems C5I () is focused on software development and systems engineering for complex command, control, intelligence, and combat systems and is seeking a Senior Principal Software Engineer / Deputy Program Manager with 15+ years of experience for work in St. Louis, MO supporting an Intelligence, Surveillance, Reconnaissance and Target (ISR&T) web development project. Our engineering efforts provide the warfighter with tools and critical support to operational missions to improve targeting capabilities.

This position will serve as a senior technical lead while also supporting program execution, customer engagement, and the overall management of program activities. If you have a passion for excellence in engineering, technical leadership, and mission execution and enjoy working on challenging projects in a fast-paced, team-oriented environment – read on!

• Design, develop, and implement web applications to power a national ISR&T toolset with a large user base.
• Provide senior-level technical leadership and direction for software architecture, design, development, integration, test, and deployment activities.
• Perform systems engineering duties on operational java script front-end and java backend applications.
• Write well designed, testable and efficient code that meets technical requirements.
• Work closely with users to troubleshoot code defects and deploy timely fixes.
• Participate in a highly collaborative team environment, contributing to all phases of the development lifecycle.
• Deploy applications on secure classified networks.
• Deliver projects on time and with attention to quality.
• Support the Program Manager in the planning, execution, and oversight of program activities, including technical performance, schedule, staffing, deliverables, and program priorities.
• Serve as a primary program and technical interface with Government customers and key stakeholders, providing status, identifying risks, and coordinating resolution of technical and programmatic issues.
• Provide leadership and direction to technical teams, including establishing priorities, coordinating resources, mentoring engineering staff, and ensuring engineering activities remain aligned with contractual and mission requirements.
• Act on behalf of the Program Manager as required, supporting day‑to‑day program operations, customer meetings, technical reviews, and coordination across engineering, operations, and program management functions.

• Master's of Science degree in Computer Science or related discipline.
• Fifteen (15+) or more years of progressively responsible experience in Software Design, Development, Test, and Evaluation, including experience providing technical leadership for complex software or systems engineering efforts.
• Demonstrated experience leading multidisciplinary technical teams and coordinating software development activities across complex programs or projects.
• Hands on experience with Java, C++, JavaScript, React.js, Web Services.
• Recent Amazon Web Services experience relevant network experience in the design, integration, analysis, troubleshooting, documenting, programming and operation of computer equipment and networks.
• Experience with modern version control systems (i.e., SVN, Git).
• Experience administering/monitoring Windows Servers (including security requirements) and upgrading operational systems.
• Level II IAT 8570.01 Cert such as Security+
• Good interpersonal skills and the ability to communicate effectively with Government customers, technical personnel, business users, and senior management.
• Ability to work individually and on team projects in an environment of teamwork and cooperation.
• Effective written, oral, and presentation skills.
• Pursuant to the various…