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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Guidance, Navigation, and Control (GNC) Engineer, Navigation Technical Specialist - **Company:** Lockheed Martin - **Location:** United States - **Experience:** Expert - **Salary:** $123,500.0 - $217,695.0 - **Contract:** Permanent contract - **Skills:** Agile Methodology, Algorithm Design, Data Analysis, C++ (Programming Language), System Configuration, Network Interface Controllers, Inertial Navigation Systems, Python (Programming Language), MATLAB, Real-Time Operating Systems, Sensor Fusion, Software Engineering, Verification and Validation (Software), System Testing, Systems Integration, Hardware Testing, Gitlab, Git, Software Version Control, GNSS - **Published:** June 4, 2026 - **Apply:** https://www.dice.com/job-detail/45f9322f-6dae-4fb9-8fc6-1d59e3a1c84d ## About the Role Successful applicants generally have at least 9+ years of related experience and may have a post-secondary degree or training in a related discipline, such as Aerospace Engineering, Mechanical Engineering, Electrical Engineering, or related field., B.S. or M.S. in Aerospace Engineering, Mechanical Engineering, Electrical Engineering, or related field. Demonstrated experience working on defense, aerospace, and/or space navigation programs. Fundamentals of inertial navigation systems (INS) and/or GNSS (multi constellation, RTK, SBAS) Familiarity with navigation performance metrics (accuracy, availability, continuity, or integrity). Understanding of Position, Navigation, and Timing (PNT) concepts, error budgeting, and integrity monitoring Proficiency in C/C++, MATLAB/Simulink, and/or Python for algorithm development and data analysis. Knowledge of software methods or standards including safety critical items and/or version control systems (Git, Gitlab, Artifact repos) Ability to develop and maintain navigation error budgets, covariance analysis, and/or perform statistical analyses Proficiency with high fidelity simulation tools, Professional experience with 9+ years applicable GNC focus associated with Weapon System product lifecycle. Experience in Inertial Navigation Systems (INS) & GNSS systems, including; INS error modeling, GNSS signal structures, multi constellation processing, platform transfer alignment, and integration algorithms (e.g., Kalman filters, particle filters). Experience in Advanced PNT Concepts, like; precise orbit determination, time transfer, sensor fusion (INS GNSS ADS), integrity monitoring, differential GNSS, and emerging technologies and augmented autonomous navigation. Demonstrated Navigation Performance Metric efforts; Ability to define, compute, and validate metrics such as accuracy, integrity, continuity, availability, and reliability Experience defining technical requirements, reviewing subcontractor proposals, and validating deliverables. Experience defining technical requirements, reviewing subcontractor proposals, managing interface control documents with traceability, and validating deliverables. Familiarity with cyber resilient navigation concepts, anti spoofing/anti jamming techniques, and secure PNT architectures Designing, configuring, and executing HWIL test rigs for navigation software validation on flight processors including proficiency in real time operating systems (RTOS) for time deterministic navigation processing ## Description We are seeking an experienced Guidance, Navigation, and Control (GNC) Engineer, Navigation Technical Specialist who will perform technical execution scope associated with Navigational system design, algorithm development, software integration, sensor system modeling & analysis, performance analysis, hardware integrated testing, and weapons system verification within the Theater Strike Weapon Systems (TSWS) and Strategic Missile Defense (SMD) portfolios. Anchored by the Conventional Prompt Strike (CPS) program, the portfolio is undergoing rapid growth associated with multiple product lifecycle phases within CPS and several peer development program efforts. In this role, you should anticipate: Working on advanced missile design, integration, testing, and analysis within a hypersonic weapon system program Leveraging past experience in weapon system and missile system/subsystem development and analysis to shape current and future program execution Collaborating with program managers, systems and software engineering or engineering leaders to delivery component(s)/subsystem(s), designs, and analysis to programs Provides programmatic direction to engineering staff and team(s), collaborates on execution, analysis, design/peer reviews Applying proficiency in C++ and MATLAB to develop, verify, validate, and perform analysis, review analysis artifacts of others, assess data products, and delivery technical summary briefings Communicating technical results effectively and working collaboratively across teams, working groups, review boards, and technical execution teams Support Agile execution of programs and projects through proposals, planning/backlog development, product ownership, and staffing coordination Job Responsibilities and Navigation Specialist tasks, will include: Develop and review data packages, analysis, and presentations for working groups, review board Coordinate internal efforts and external elements (partner, subcontractor, peer prime) to develop, verify, and validate navigational sensors and algorithms to achieve weapon system performance Evaluate system performance in complex scenarios and environments and verify system and subsystem level requirements across simulation, hardware testing, and full system test execution Support program reviews and technical interchange meetings with internal leadership and/or external customers., 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. 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