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Provide senior Linux administration for Ubuntu and RHEL systems at NASA GSFC: install/configure systems, perform maintenance and patching, troubleshoot hardware/software/networking, manage VMs, use Ansible for configuration management, support Apache/Confluence/GitLab and backup/recovery, document procedures, and ensure compliance with federal security standards.

Develop, maintain, and sustain reusable Core Flight System (cFS) flight software components for NASA missions. Perform requirements analysis, design, coding, unit/integration testing, CI/CD, and documentation. Integrate software into customer flight environments, support hardware lab setup and embedded RTOS platforms, resolve defects, participate in reviews, and provide technical/customer support per NASA software engineering standards.

Lead end-to-end flight software systems engineering for the ALICE instrument across mission lifecycle: define architecture and requirements, oversee embedded C/C++ implementation, coordinate integration and testing, produce ICDs/RVMs/verification plans, lead technical reviews, mitigate risks, support launch and on-orbit operations, and mentor engineering staff.

Support verification and validation of flight software for the STRIVE mission: develop and execute unit/integration/system tests, create and maintain test procedures and RTTMs, document test evidence and defects, support lab readiness and configuration management, and report verification status to project leadership in accordance with NASA standards.

Assist senior developers by analyzing requirements, translating designs into code, testing and debugging applications, maintaining and enhancing systems, preparing documentation, enforcing security protocols, participating in reviews, and providing regular project status updates.

Serve as lead for security of Special Access Program networks: develop A&A packages, perform RMF assessments, conduct vulnerability testing and audit reviews, implement STIGs/patching/scanning, support threat and risk assessments, and produce security documentation and training. Use ACAS, SCAP, XACTA, and eMASS to maintain compliance and reduce vulnerabilities.

Develop, integrate, test, and sustain reusable NASA core Flight System (cFS) embedded software. Implement and debug C/C++/Python applications, integrate timing and estimation algorithms, build OpenC3 COSMOS ground interfaces, support Xilinx Zynq/PicoZed hardware integration, and maintain CI/CD, Docker, and GitLab-based workflows while producing documentation and test artifacts.