Principal Software Engineer

**Description** SAIC is seeking a full-stack **Principal Software Engineer** to join the Joint Range Extension (JRE) software development team. This is a **Remote Role in San Diego, CA. It is REQUIRED to be local to the area** . You must be a **U.S. Citizen** to be considered who **can obtain a Secret clearance after you start.** JRE is a combat-proven datalink gateway that plays a vital role in the defense of the United States and our allies by extending the reach of tactical data across the battlespace and around the globe. As a principal software engineer on the team, you’ll play an essential role in evolving JRE for the future mission needs of the warfighter. **JOB DUTIES:** + Design, develop, and maintain major new features, enhancements, and integrations for the JRE suite of edge- and cloud-deployed client and server applications. + Develop and contribute deep domain expertise in the tactical data link, situational awareness, and command and control domains. + Refactor existing implementations to align with and meet future product needs. + Leverage your experience to contribute to architecture and implementation reviews of other engineers. **Qualifications** **REQUIREMENTS:** Credentials and Education + Bachelor’s in computer science or a related field and nine (9) years or more of professional software engineering experience; Masters and seven (7) years or more of related experience; relevant experience to be substituted in lieu of degree. + 5+ years in a technical project lead role. + Must be a U.S. Citizen. + Must be able to obtain a Secret clearance after start. Technical Qualifications + Deep expertise in the Java platform; including fluency with Java, and familiarity with JVM languages such as Kotlin or Scala. + Thorough knowledge of object-oriented and functional design patterns; software design principles; refactoring techniques, code and test automation smells, and domain-driven design. + Experience with RPC and message-oriented distributed systems integration and related integration patterns. + Experience with network programming, networking protocols, and the low-level processing of binary data. + Proven experience developing and maintaining large-scale codebases (1M+ lines). + Experience leading successful large-scale, phased refactoring projects. + Experience with dependency injection and the Spring family of frameworks, including Spring Boot, Spring Data, and Spring Security. + Team-based development experience via pairing or mobbing, and an eagerness to work collaboratively. + Test-driven development experience. + Experience designing and developing solutions iteratively and incrementally via Agile methodologies such as Scrum, Extreme Programming, or Lean Software Development. + Experience with continuous integration and modern deployment practices for edge and cloud systems. + Experience developing systems built with Gradle. Domain Knowledge + Significant experience in the tactical data link and C5ISR domains, or in the development of comparable mission-critical, high-reliability, near-real-time systems. + Knowledge of MIL-STDs such as 6016, 6017, 3011, 6020, 6040, and 2525; tactical terminals and radios such as MIDS JTRS, STT, AN/ARC, and AN/PRC; GPS and inertial navigation systems protocols such as NMEA 0183 and GPS-153; avionics standards such as ARINC 429 and 661; and industry security standards such as DISA STIGs, and NIST SP 800-171 and 800-207. **DESIRED SKILLS:** + Experience with native development with C, C++, or Rust. + Public contributions to open-source projects. Target salary range: $160,001 - $200,000. The estimate displayed represents the typical salary range for this position based on experience and other factors. REQNUMBER: 2613334 SAIC is a premier technology integrator, solving our nation's most complex modernization and systems engineering challenges across the defense, space, federal civilian, and intelligence markets. Our robust portfolio of offerings includes high-end solutions in systems engineering and integration; enterprise IT, including cloud services; cyber; software; advanced analytics and simulation; and training. We are a team of 23,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $6.5 billion. For more information, visit saic.com. For information on the benefits SAIC offers, see Working at SAIC. EOE AA M/F/Vet/Disability