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7 senior systems engineer level 3 jobs found in Englewood

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Englewood Lockheed Martin senior systems engineer level 3
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Lockheed Martin
Apr 10, 2026
ElectroMechanical Packaging Engineer III
Lockheed Martin Englewood, CO
Description: The Fleet Ballistic Missile Avionics team is seeking an experienced Electronics Packaging Engineer who will work closely with senior engineers to develop preliminary 3D concept models of space flight avionics hardware and ultimately advance them for flight use. Location: This position does not support teleworking ; you will be located near our Lockheed Martin Space facility in: Littleton or Englewood CO and be expected to work a flexible 9x80 schedule in the office full-time. What does this role look like? • Support trade studies on electronic enclosure design approaches and will provide technical data for informal and formal design review documentation and presentations. • Coordinate with thermal, dynamic, stress, reliability, EMC, and survivability analyses to assure compliant designs. You will support manufacturing and test disciplines in minimizing cycle time and resolving electronic packaging problems. • Establish specifications for contract...
Lockheed Martin
Apr 02, 2026
Senior Thermal Engineer
Lockheed Martin Englewood, CO
Description: The Senior Thermal Engineer will execute thermal‑analysis activities for aerospace and defense systems under the guidance of senior thermal leads. This role focuses on developing thermal models, performing steady‑state and transient heat‑transfer analyses, supporting design decisions for propulsion subsystem, and cooling solutions. In this role your responsibilities will include: Thermal Modeling & Analysis • Build and validate 2‑D/3‑D thermal FEM models using ANSYS Thermal Desktop • Conduct steady‑state, transient, conductive, convective, and radiative heat‑transfer studies. • Generate temperature, heat‑flux, and thermal‑gradient plots; calculate margins of safety. Design Integration • Work with system and subsystem engineers to incorporate thermal constraints early in the design cycle. • Provide thermal sizing recommendations for subsystem. Verification and Validation • Assist in defining test‑article requirements, instrumentation layout, and...
Lockheed Martin
Mar 31, 2026
ElectroMechanical Harness Engineer III
Lockheed Martin Englewood, CO
Description: The Fleet Ballistic Missile Avionics team is seeking an experienced Lead Electromechanical Harness Engineer who will work closely with senior engineers to develop preliminary 3D concept models of space flight avionics Cable and Harnessing and ultimately advance them for flight use. Location: This position does not support teleworking ; you will be located near our Lockheed Martin Space facility in: Littleton or Englewood CO and be expected to work a flexible 9x80 schedule in the office full-time. What does this role look like? • Support trade studies on cable and harness design approaches and will provide technical data for informal and formal design review documentation and presentations. • Coordinate with thermal, dynamic, stress, reliability, EMC, and survivability analyses to assure compliant designs. • Support manufacturing and test disciplines in minimizing cycle time and resolving problems. • Establish specifications for contract assemblers and...
Lockheed Martin
Mar 31, 2026
ElectroMechanical Harness Engineer III
Lockheed Martin Englewood, CO
Description: The Fleet Ballistic Missile Avionics team is seeking an experienced Electromechanical Harness Engineer who will work closely with senior engineers to develop preliminary 3D concept models of space flight avionics Cable and Harnessing and ultimately advance them for flight use. Location: This position does not support teleworking ; you will be located near our Lockheed Martin Space facility in: Littleton or Englewood CO and be expected to work a flexible 9x80 schedule in the office full-time. What does this role look like? • Support trade studies on cable and harness design approaches and will provide technical data for informal and formal design review documentation and presentations. • Coordinate with thermal, dynamic, stress, reliability, EMC, and survivability analyses to assure compliant designs. • Support manufacturing and test disciplines in minimizing cycle time and resolving problems. • Establish specifications for contract assemblers and...
Lockheed Martin
Mar 23, 2026
Electronics Engineer III
Lockheed Martin Englewood, CO
Description: This is an exciting opportunity to work on the Fleet Ballistic Missile Program (FBM), a 63-year-old Program with a long-standing history of Mission Success and of a strong partnership with our Navy Customer! Are you an enthusiastic individual with a strong planning background that can thrive in an exciting fast-paced dynamic environment? Location: This position does not support teleworking ; you will be located near our Lockheed Martin Space facility in: Englewood or Littleton CO and be expected to work a flexible 9x80 schedule in the office full-time. What does this role look like? The new Hardware Engineer will support the LE2 program for Electrical Ground Support Equipment (EGSE). Use your strong electrical engineering skills to work with all project partners and define the future for FBM! Key activities you will accomplish in this role: In this dynamic role you will: • Participate in requirements analysis, configuration determination, design,...
Lockheed Martin
Mar 13, 2026
Electrical Component Engineer / Electrical Engineer, Sr. (Level III)
Lockheed Martin Englewood, CO
Description: "Ahead of Ready" About Lockheed Martin Space: Space is a critical domain, connecting our technologies, our security, and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire, and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you About the Team: For over 60...
Lockheed Martin
Apr 03, 2026
Mechanical Engineering Manager
Lockheed Martin Englewood, CO
Description: This position is for a Mechanical Engineering Manager in the Post Boost Control System (PBCS) IPT that both collaborates well in a team environment and has excellent communication skills. In this role, you will have numerous opportunities to represent the PBCS IPT with our Navy partner, LM leadership, and suppliers, with many opportunities for career development along the way. The PBCS IPT is responsible for the development, manufacture, and management of the PBCS which is an attitude control and propulsive subsystem. As part of our team, you will have the opportunity to lead our PBCS Design and Analysis Team. Specifically, you will be responsible for managing the engineers on the team, developing the teams technical skills, and ensuring technical excellence for all products developed by the team. The team is currently broken into two teams, design- which is responsible for 3-D models and analysis- which performs physics-based models in Simulink, Stress, Thermal,...
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