Senior Software Engineer/Architect

Job ID 2611861 Location San Diego, CA, US Date Posted 2026-04-24 Category Software Subcategory SW Systems Engr Schedule Full-Time Shift Day Job Travel Yes - 10% of the time Minimum Clearance Required None Clearance Level Must Be Able to Obtain Secret Potential for Remote Work ORA\_REMOTE Description SAIC is seeking a Senior Software Solutions Architect to join the Joint Range Extension (JRE) software development team. This is a remote role within the U.S. Job Description 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 Senior Software Engineer/Architect on the team, you’ll play a lead role in shaping JRE’s future. Job Duties Architecture Strategy and Design * Define and own the architectural vision, strategy, and roadmap for JRE. * Lead the team in making high-level design decisions and technology selections, documenting trade-offs and rationale. * Produce and maintain architecture artifacts, including an architecture description, component design documentation, architecture diagrams (C4, DoDAF, UML), and architecture decision records (ADRs). * Translate business requirements and product and program goals into technical designs that meet both functional and non-functional criteria. * Develop proofs of concept and prototypes to validate architectural choices. Standards, Governance, and Quality * Evolve the architectural principles, patterns, and standards used for JRE. * Lead architecture and pull-request reviews, providing constructive feedback on designs and significant implementations. * Ensure JRE meets key quality attributes such as scalability, reliability, performance, security, maintainability, and operability. * Manage technical debt and inflation, strategically incorporating the remediation of legacy debt into the product roadmap. Collaboration and Leadership * Partner with product management to align technical strategy with business goals. * Collaborate closely with industry partners to understand their requirements and align with JRE modernization goals. * Mentor and coach engineers on design patterns, systems thinking, and architectural reasoning. * Communicate complex technical concepts clearly to executives, peers, and non-technical stakeholders. * Contribute to interviewing and hiring decisions for engineering roles. Execution and Evolution * Evaluate emerging technologies, frameworks, and tools; make recommendations that balance risk, cost, and time-to-value. * Guide large-scale modernization initiatives. * Support incident reviews and post-mortems where root causes touch architectural decisions. Qualifications REQUIRED EXPERIENCE AND CLEARANCE * Bachelor’s or higher degree in computer science, software engineering, or a related field with 14+ years of professional software engineering experience, including 5+ years in an architect or lead engineering capacity. * Demonstrated experience designing and delivering large-scale mission-critical systems. * Experience effectively leading the design and architecture of multi-million-line codebases. * Experience leading significant architectural evolutions (e.g., monolith decomposition, major re-platforming). * Fluency with domain-driven design; objection-oriented, functional, and enterprise systems design patterns; software design principles; and refactoring techniques. * Proficiency with modern distributed systems patterns (APIs, messaging/event-driven, service boundaries, data consistency trade-offs). * Experience with modern deployment practices for cloud and edge systems. * Security-by-design mindset and working knowledge of common threat models. * Knowledge of test automation principles and best practices. * Proven ability to lead and work collaboratively, and influence at all levels regardless of direct authority. * Growth mindset and a track record of elevating other engineers. * Demonstrated ability to gain the trust of others and elicit their highest level of contribution. * Excellent written and verbal communication skills. * U.S. citizenship and eligibility to obtain a Secret clearance. Desired Experience * Experience in the tactical data link domain or comparable mission-critical, high-reliability 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. * Experience with network programming, networking protocols, and the low-level processing of binary data. * Deep experience with the Java platform; including fluency with Java, and familiarity with JVM. languages such as Kotlin or Scala. * Experience with native development with C and C++. * Proven track record of deploying AI/ML solutions in production-grade, scalable systems. * Active contributions to open source, technical writing, or speaking. Target salary range $160,001 - $200,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.