{"id":130953,"url":"https://alion.io/job/shield-ai-mission-systems-software-engineer-bluesky-r5199","title":"Mission Systems Software Engineer - BlueSky (R5199)","company":{"id":50,"name":"Shield AI","domain":"shield.ai","url":"https://alion.io/company/shield-ai","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"B","score":73,"open_postings":90,"ghost_share":0,"stale_share":0.856,"repost_share":0.011,"time_to_fill_p50_days":65,"computed_at":"2026-11-02T06:13:15Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Los Angeles, United States","Dallas, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":224000,"max":335000,"currency":"USD","period":"year","gross":null,"usd_annual":335000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Rust","optional":false},{"name":"Verification & Validation","optional":false},{"name":"DO-178C","optional":true},{"name":"DO-254","optional":true},{"name":"Least Privilege","optional":true}],"status":"live","first_seen_at":"2026-06-12T01:42:45Z","employer_posted_date":"2026-06-12","last_verified_at":"2026-11-02T17:20:28Z","board_verified":true,"closed_at":null,"days_open":143,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":143},"description":"Job Description:\nThe Mission Systems Software Engineer will work on developing solutions of a real time system environment to provide mission computing support at the center of an autonomous aircraft with sensor and weapons. This role will work to establish a software architecture for a real time system that operates in a multi-level environment at real time. The role will require work with hardware, software and systems teams to come to a consensus design. This role will focus on development of new systems and software designs from PDR, CoDR, CDR to lab test, flight test and fielding.\nWhat you'll do:\nServe as a software mission systems engineer for a safety- and mission-critical real-time mission-computing system aligned with A-GRA and AMS-GRA principles, profiles, interfaces, and data standards.\n\nDefine and maintain the end-to-end software architecture, including mission applications, platform services, middleware, operating-system interfaces, hardware-abstraction layers, networking, data distribution, component boundaries, and APIs.\n\nArchitect for deterministic real-time performance by addressing scheduling, latency, jitter, synchronization, throughput, resource utilization, distributed processing, and CPU/GPU/accelerator allocation.\n\nDevelop architecture views, interface definitions, data-flow and deployment models, sequence and timing diagrams, resource budgets, trade studies, and technical decision records.\n\nIntegrate sensors, effectors, communications, navigation, autonomy, mission management, command-and-control, data-processing, and vehicle services in collaboration with hardware, FPGA, cybersecurity, safety, systems, integration, and test teams.\n\nDesign for mission resilience and assurance through fault detection and isolation, redundancy, graceful degradation, recovery, health monitoring, cybersecurity, airworthiness, certification, and requirements traceability.\n\nEstablish engineering practices for concurrency, synchronization, memory and resource management, deterministic execution, interface control, configuration management, and predictable component integration.\n\nDefine and execute verification strategies across HIL/SIL laboratories, simulations, test benches, flight-test environments, and deployed systems using automated, performance, stress, fault-injection, interface, and timing tests.\n\nMaintain technical ownership throughout the system lifecycle by evaluating enabling technologies and supplier designs, analyzing performance, managing technical debt and modernization roadmaps, promoting reuse, and communicating architectural decisions.\n\nRequired qualifications:\nBachelor’s degree in Computer Science, Software Engineering, Computer Engineering, Systems Engineering, Aerospace Engineering, Electrical Engineering, or a related technical field.\n\n8+ years of professional software-engineering experience, including 3+ years in software architecture, systems architecture, or technical leadership.\n\nExperience developing embedded, distributed, real-time, safety-critical, or mission-critical software systems.\n\nProficiency in C, C++, Rust, or another strongly typed systems-programming language.\n\nStrong understanding of real-time software principles, including scheduling, concurrency, synchronization, latency, jitter, memory management, and deterministic execution.\n\nExperience with embedded operating systems or RTOSs, middleware, interprocess communication, networking, and data-distribution technologies.\n\nExperience defining software architectures, APIs, interface-control documents, data flows, deployment models, and system resource budgets.\n\nExperience integrating software with hardware, sensors, communications systems, navigation systems, effectors, or other mission-system components.\n\nExperience supporting software through requirements development, design reviews, implementation, integration, verification, system test, and deployment.\n\nWorking knowledge of systems-engineering processes, requirements management, traceability, configuration management, and verification and validation.\n\nAbility to analyze system performance using instrumentation, telemetry, traces, profiling, network captures, timing data, and resource-utilization measurements.\n\nStrong cross-functional technical leadership, problem-solving, written communication, and presentation skills.\n\nAbility to obtain and maintain a U.S. Department of Defense security clearance; U.S. citizenship may be required for clearance eligibility.\n\nPreferred qualifications:\nExperience developing software for autonomous aircraft, unmanned aircraft systems, avionics, mission computers, robotics, or aerospace and defense platforms.\n\nExperience with A-GRA, AMS-GRA, OMS, UCI, FACE, or other government reference architectures and open-mission-system standards.\n\nExperience integrating autonomy, mission management, command-and-control, sensor processing, communications, navigation, and effector capabilities.\n\nFamiliarity with airworthiness, safety-assurance, or certification standards such as DO-178C, DO-254, ARP4754A, or applicable military airworthiness guidance.\n\nExperience with CPU-, GPU-, FPGA-, or accelerator-based heterogeneous computing architectures.\n\nExperience with publish/subscribe middleware, quality-of-service controls, high-rate data distribution, precision timing, and distributed time synchronization.\n\nExperience designing cybersecurity controls for embedded or mission systems, including trust boundaries, least privilege, authentication, authorization, secure communications, and software integrity.\n\nExperience with HIL/SIL environments, simulation systems, laboratory integration, flight testing, or operational deployment.\n\nExperience evaluating supplier designs, RTOSs, middleware, computing platforms, or third-party software for architectural compliance and integration readiness.\n\nActive or previously held U.S. Department of Defense Secret clearance.","description_format":"text","description_chars":5918,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":[],"hiring_locations":[{"name":"United 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