C/C++ Software Engineer with Security Clearance

We are seeking a highly skilled C/C++ Software Engineer to support mission-critical Command, Control, Communications, Computers, and Intelligence (C4I) systems for U.S. Customs and Border Protection's Air and Marine Operations Center (AMOC). This role supports the Air and Marine Operations Surveillance System (AMOSS) and related ISR systems that provide real-time air and maritime domain awareness across national and international operating areas. The engineer will work on advanced radar tracking, sensor fusion, data correlation, and real-time operational displays that directly support homeland security and law enforcement operations. Responsibilities Software Engineering & Development

• Design, develop, enhance, maintain, and debug C and C++ software supporting AMOSS and associated C4I systems.
• Develop and maintain advanced radar tracking, correlator, and sensor fusion algorithms.
• Integrate new air, maritime, and ground-based sensors and data feeds into AMOSS.
• Support ingestion and correlation of radar plots, track data, flight plan data, GPS tracking, ADS-B, and tactical data links.
• Modify and enhance AMOSS user interfaces, including real-time displays and data visualization components.
• Develop and maintain interfaces for both dedicated AMOSS clients and Web-based AMOSS capabilities. Systems Integration & Operations
• Support second-tier software maintenance, advanced troubleshooting, and system performance optimization.
• Participate in system upgrades, refreshes, and deployments at AMOC, CAMOC, COOP, and international partner sites.
• Ensure software changes comply with DHS, CBP, and AMOC configuration management and security requirements.
• Support installation, integration, testing, and validation of software changes in operational and test environments. Algorithms & Advanced Analytics
• Develop and maintain tracking and correlation algorithms, including:
• Adaptive Kalman filtering for target smoothing and prediction
• Optimal assignment algorithms for plot-to-track correlation
• Support enhancements related to data mining, analytics, and predictive threat modeling.
• Collaborate with data scientists and system engineers supporting AI/ML-enabled threat detection systems (e.g., Kestrel).Documentation & Collaboration
• Produce and maintain technical documentation, including:
• Software Version Description Documents (SVDD)
• Installation Plans (IP)
• Systems Acceptance Test Plans (SATP)
• Source code documentation for long-term sustainment
• Participate in technical interchange meetings with government stakeholders.
• Support Program Management Reviews (PMRs) and operational briefings as required. Qualifications
• U.S. Citizen
• Secret Clearance Required
• Bachelor's degree in Computer Science, Engineering, Mathematics, Physics, or a related technical field (Master's degree preferred) Experience
• Demonstrated experience developing real-time, mission-critical systems.
• Experience with Linux-based development and deployment environments.
• Experience with sensor data processing, tracking systems, or complex data correlation.
• Experience debugging and maintaining large, legacy codebases. Bachelor's degree and 8-10+years of related work experienceTechnical Skills
• Advanced proficiency in C/C++
• Strong understanding of:
• Real-time systems
• Multi-threaded programming
• Networked data inputs
• High-availability systems
• Familiarity with:
• Radar or surveillance systems
• Sensor fusion and tracking algorithms
• GIS or mapping/display technologies
• Experience with version control systems (e.g., Perforce or Git) Pay Transparency Statement AMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $110,800.00/Yr.
• USD $185,100.00/Yr. Actual compensation will be determined based on several factors permitted by law. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance.

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