HWIL SW Integration Engineer, Staff - Grand Prairie, TX

Reference: 727483BRPosted: 2026-05-12Location: Grand Prairie, TexasClearance: Secret with Investigation or CV date within 5 yearsCompany: Lockheed MartinDescription:The HWIL Software Integration Engineer (E4) provides senior level technical leadership for the development, integration, and verification of real time, closed loop Hardware in the Loop (HWIL) simulations that combine missile hardware components with high performance software models. With 5 + years of relevant experience, the incumbent operates with technical authority, defines integration strategy, and influences program decisions while representing Lockheed Martin to senior government and industry stakeholders.Core Responsibilities• Software Architecture & Strategy - Define and evolve the software architecture for HWIL test beds, establishing standards for real time code, low latency data pathways, and deterministic execution.• Lead the development and integration of missile flight software, guidance algorithms, and sensor models into closed loop simulation environments (including 6 DOF missile dynamics).• Real Time Integration & Timing - Ensure end to end latency and timing budgets are met for hardware to software interfaces, employing techniques such as time domain analysis, jitter budgeting, and priority based scheduling.• Implement and validate synchronization mechanisms between missile hardware (actuators, sensors, RF targets) and simulation models running on real time operating systems (RTOS) and FPGA/HPC platforms.• Program Leadership - Serve as the lead HWIL software engineer, coordinating cross functional teams (Systems, Electrical, Mechanical, Test, and Integration).• Integration & Verification - Direct software hardware integration activities, overseeing debugging of interface protocols, timing mismatches, and data integrity issues.• Author and approve comprehensive verification and validation (V&V) plans; ensure traceability to requirements and produce formal validation reports.• Hardware Interaction & Test Equipment - Apply hands on hardware skills (RF testing, cable harness verification, target generation) to support software integration and troubleshoot hardware related anomalies.• Operate test equipment such as oscilloscopes, spectrum/network analyzers, RF signal generators, and high speed data acquisition systems.• Review and approve engineering deliverables (code, interface specifications, test procedures) to ensure adherence to best practices and Lockheed Martin standards.• Customer & Stakeholder Engagement - Act as the technical liaison with government customers for real time simulation support, requirement clarification, and issue resolution.Basic Qualifications:• Experience: 5 + years in software development, real time integration, and HWIL environments; proven experience integrating missile hardware with real time simulations• Education/Training: Bachelor’s degree in Computer Engineering, Software Engineering, Computer Science, or related STEM field (Master’s preferred)• Clearance: Active Secret clearance (interim required at start)• Technical Expertise: Proficiency in C/C++ and real time operating systems (e.g., RedHawk, VxWorks, RTLinux); strong understanding of low latency communication protocols (e.g., Ethernet/IP, MIL STD 1553, CAN)• Working knowledge of RF testing, target generation equipment, and missile hardware interfaces• Strong hands‑on skills with lab equipment (oscilloscope, spectrum analyzer, network analyzer).• Leadership & Communication: Proven ability to lead multidisciplinary teams, influence senior stakeholders, and produce clear technical documentation and presentationsDesired Skills:• Demonstrated success leading HWIL software integration for missile or aerospace programs, including latency budgeting and deterministic timing verification• Experience with model based development environments and code generation for real time execution• Experience with flight software integration, real time operating systems, and high performance computing applied to HWIL• Knowledge of industry standards and Lockheed Martin best practices for HWIL real-time simulation design and implementation• Experience coordinating with government customers for test supportSecurity Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.Clearance Level: Secret with Investigation or CV date within 5 yearsOther Important Information You Should KnowExpression of Interest: By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.Ability to Work Remotely: Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility.Work Schedules: Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits.Schedule for this Position: 4x10 hour day, 3 days off per weekLockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration.At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility.If this sounds like a culture you connect with, you’re invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs, and apply for roles that align with your qualifications.Experience Level: Experienced ProfessionalBusiness Unit: MISSILES AND FIRE CONTROLRelocation Available: PossibleCareer Area: Test EngineeringType: Full-TimeShift: First