Sr. Software Engineer (Onsite)

Software EngineerThe Ground Communications and Architecture Section (361) provides engineering development, implementation, and maintenance of high-reliability state-of-the-art technologies for the telecommunications systems of the Deep Space Network (DSN) in support of NASA's space and science missions. Our engineers design and develop all aspects of the ground communications systems including the Radio Frequency (RF) microwave optics and feeds, cryogenic low noise amplifiers, high power RF transmitters, digital receivers, mechanical/structural elements of large antennas and antenna construction, and precision antenna pointing utilizing advanced servo controllers.We are looking for a Software Engineer to build and sustain software for DSN embedded platforms and operational ground systems.

The role spans embedded Linux and server-side work, supporting systems the DSN relies on every day. You will be a member of the Control Systems and Electronics Group (361F) and will work closely with teammates across the organization to provide support through all phases of the DSN project lifecycle, from inception through the end of maturity.Position ResponsibilitiesDevelops and maintains the DELOS embedded operating system using the Buildroot framework for DSN embedded systems.Designs, implements, and troubleshoots embedded software applications that run on DELOS-based systems in lab and operational environments.Develops, integrates, and delivers DELOS software packages and tools within the Buildroot ecosystem while adhering to DSN configuration-management practices and maintaining CI/CD compatible, containerized build processes.Implements cybersecurity requirements and recommendations in embedded software systems.Contributes to technical documentation and participates in code reviews and design reviews to ensure high-quality software deliverables.Develops and maintains the WebCMD service as part of the Telemetry, Tracking, and Command software suite.Supports NASA flight project operations to answer questions, provide investigative insight, and resolve issues.Monitors and maintains production service availability, including failover and recovery.Works with DSN operations and flight project teams to gather requirements and deliver updates.Required SkillsBachelor's degree in Computer Science, Software Engineering, Computer Engineering, or related technical discipline with typically a minimum of 5 years of related experience for Level III or 9 years for Level IV; or Master's degree in similar discipline with a minimum 3 years of related experience for Level III or 7 years for Level IV; or a PhD in a similar discipline with a minimum of 3 years of related experience for Level III or 5 years for Level IV.High proficiency in C/C++ programming for embedded systems using modern build systems.High proficiency in Java and database experience.Deep knowledge of Python and Bash scripting for tooling, system administration, and troubleshooting.Experience with kernel configuration and cross-compilation toolchains for embedded architectures.Familiarity with Docker containerization for development and build environments.Familiarity implementing cybersecurity requirements in software systems.Familiarity with Git version control and software development workflows.Strong written and verbal communication skills and ability to work effectively as part of a small, collaborative team.Experience working on high-reliability or mission-critical systems.Ability to travel to domestic and foreign Deep Space Network sites for 1 to 2 weeks per year.Desired SkillsPrior experience with Buildroot or Yocto embedded build frameworks.Experience configuring Linux services (BusyBox init, systemd) and Linux system administration.Experience with U-Boot bootloader, dual-boot systems, and overlay filesystems.Experience with industrial communication protocols such as EtherCAT, CANopen, or serial communications.Experience administering database, web server, and authentication services, such as MySQL, Apache Tomcat, or LDAP/SSO.Experience developing server-side applications in Java or another backend language.Familiarity with Jenkins, Artifactory, or other CI/CD and artifact repository management tools.Knowledge of Common Vulnerabilities and Exposures (CVE) management and security vulnerability assessment for embedded systems.Equal Opportunity/Affirmative ActionColumbus is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, creed, sex, marital status, age, national origin, veteran status, disability status, or any other characteristic protected by applicable federal, state, or local law. As a federal contractor, Columbus participates in the E-Verify Program to confirm eligibility to work in the United States.