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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Engineer Sr - E3 - **Company:** Lockheed Martin - **Location:** Sunnyvale, CA, United States - **Experience:** Expert - **Salary:** $106,600.0 - $198,000.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Systems Engineering, MATLAB, Systems Development Life Cycle, Software Engineering, Verification and Validation (Software), Subsystems, System Testing, Systems Integration, System-level Testing, SC Clearance, Integration Tests - **Published:** October 3, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3414910711&tx=KP1515FFG&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * Bachelor of Science in Engineering in related discipline * Must possess an active Secret clearance * Experience and full knowledge of processes in one or more of the following areas: * Systems Engineering * Requirement definition, decomposition, and allocation * Interface definition (ICD, IBDs, IDDs) * Planning and coordinating Hardware and/or software testing for verification * Performing System Integration and test - integration of major system level testbeds * Support to major reviews * Writing Specifications, DOORS usage * Electrical Integration * Software Integration * Mechanical Integration * HW/SW Integration Desired Skills * Direct, relevant experience with MDA customer * Minimum of 7+ years of system integration experience * Integration across multiple HW delivering suppliers * Guidance, Navigation, and Control experience, * Presenting at major reviews * Missile system experience * MatLab, and/or other or analysis tools * Hardware/Software Development * Missile or Weapon System Development * CONOPS or Architecture Development * System Level trade studies ## Description Performs technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for total systems. Analyses are performed at all levels of total system product to include: concept, design, fabrication, test, installation, operation, maintenance and disposal. Ensures the logical and systematic conversion of customer or product requirements into total systems solutions that acknowledge technical, schedule, and cost constraints. Performs functional analysis, timeline analysis, detail trade studies, requirements allocation and interface definition studies to translate customer requirements into hardware and software specifications. For positions that perform IT responsibilities, use E646, Systems Engr-IT., This role is a System Integration Responsible Systems Engineer (SI RSE) responsible for integrating the electrical design, mechanical design, software design, and architecture for your respective major subsystem. This role will also help lead the Kill Vehicle Integrated Test effort, to develop and execute an integrated system level test with the KV IPT and System Test organization. Specific responsibilities will include: * The integrator has full accountability and authority with respect to your subsystem integration and will be supporting the Chief Engineer, System Engineer Product Owner and All-Up-Round (AUR) System Integration Lead. * Subsystem Integrators drive the integration effort and identify resolution plans, assign tasks, negotiate commitments, and track issues to closure. * Establish and host subsystem integration working group forum, serving as the focal to drive integration issues to closure * Elevate cross subsystem integration issues to the AUR level as they are identified * Drive the identification of critical integration events and the planning necessary to execute them * Support design reviews and integration events for your respective subsystem * Support Mass control board for your respective subsystem * Support Power control board for your respective subsystem * Establish pointing and alignments budget with Mechanical integrator and Guidance, Navigation, and Control (GN&C) - drive standardization of content, format, process across subsystems ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [10M Data Records Lost, Underwater Computing, and Psychedelic Fish - Matthias Geniar](https://www.wearedevelopers.com/videos/1908-10m-data-records-lost-underwater-computing-and-psychedelic-fish-matthias-geniar) - [Leveraging Large Language Models for Legacy Code Translation: Challenges and Solutions](https://www.wearedevelopers.com/videos/1157-leveraging-large-language-models-for-legacy-code-translation-challenges-and-solutions) - [Building a hypercar from scratch](https://www.wearedevelopers.com/videos/607-building-a-hypercar-from-scratch) - [Model Based Systems Engineering in an Agile Product Development Process](https://www.wearedevelopers.com/videos/68-model-based-systems-engineering-in-an-agile-product-development-process) - [Develop on Windows, Deploy on Red Hat Enterprise Linux](https://www.wearedevelopers.com/videos/1600-develop-on-windows-deploy-on-red-hat-enterprise-linux) ## Related Articles - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Software Engineer Career: Things You Should Know](https://www.wearedevelopers.com/magazine/143-software-engineer-career-things-you-should-know) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [What Jobs Can You Get with a Software Engineering Degree?](https://www.wearedevelopers.com/magazine/398-what-jobs-can-you-get-with-a-software-engineering-degree)