Mechanical Engineer - Thermal Analysis (Level II)

Description: 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 u2014 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. Weu2019re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Securityu00ae vision. Weu2019re erasing boundaries and forming partnerships across industries and around the world. Weu2019re advancing spacecraft and the workforce to fuel the next generation. And weu2019re 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. For over 60 years, the Fleet Ballistic Missile (FBM) team has supported the Navyu2019s mission to provide affordable and credible strategic defense. We offer unique career opportunities and challenges on a program with a rich history and exciting future. We help keep this nation and our allies secure. We are a community of engineers looking for an enthusiastic Mechanical Engineer to join the tight-knit group. The FBM Trident II D5 Life Extension 2 program (D5LE2) is ramping up to become one of Lockheed Martinu2019s premier Lines of Businesses that prioritizes partnership, integrity, and reliability. Learn about the Trident II D5 Fleet Ballistic Missile. If so, join us as a part of a highly-skilled analysis team for missiles and spacecraft systems Lockheed Martin Space is seeking a Mechanical Engineer to join our Missile Flight Sciences team in Sunnyvale, CA This position will have the exciting opportunity support the Aerothermal team, and the successful candidate will be responsible for the following: u2022 Performing thermal analyses on missile system-level and subsystem-level hardware for the FBM D5LE2 program u2022 Ownership of computational, physics-based modeling, simulations, and results u2022 Correlate model results to missile system and subsystem requirements and support risk mitigation u2022 Work and interact with multiple engineering fields across multiple sites u2022 Present key findings and results to internal and external customers & stakeholder u2022 Provide recommendations to support peer and customer reviews u2022 Leverage thermal analysis expertise to support key program milestone reviews u2022 Provide documentation and recommendations to data packages to support key discussions, present analysis data to engineering teams, customer technical representatives, and Program Office personnel at technical interchange meetings and program milestone design reviews Basic Qualifications: u2022 Knowledge of one or more of the following topics: thermodynamics, heat transfer, aero heating, material properties, computer programming u2022 Knowledge of heat dissipation/cooling design u2022 Understanding of physics-based modeling, simulation, and/or analysis u2022 Ability to obtain a Top Secret clearance; US citizenship is required Desired Skills: u2022 Bacheloru2019s degree (5+ years of experience) or Masteru2019s degree (3+ years of experience) in Physics, Aerospace Engineering, Mechanical Engineering, or a related discipline u2022 Demonstrated experience in the following topics: thermodynamic analysis, heat transfer analysis, aeroheating analysis, material properties & characterization, and computer programming (Matlab, Python, Fortran) u2022 Experience analyzing thermal systems and subsystems under operating environments and providing recommendations for heat dissipation and/or cooling u2022 Strong mathematical, analytic, and data processing skills u2022 Experience with any of the following software packages: NX Thermal (Preferred), Thermal Desktop, SINDA, TSS, Abaqus u2022 Knowledge or experience with testing & instrumentation including test procedure development, instrumentation definition, test direction, and post-test model correlation u2022 Excellent communication skills, both written and verbal, including MS Office proficiency u2022 Experience with modern collaboration tools, such as Jira and Confluence u2022 Active Top Secret clearance Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration. Clearance Level: Top Secret Other Important Information You Should Know Expression 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: 9x80 every other Friday off Pay Rate: The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $70,100 - $123,625. For states not referenced above, the salary range for this position will reflect the candidateu2019s final work location. Please note that the salary information is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market and business considerations when extending an offer. Benefits offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Education Assistance, Parental Leave, Paid time off, and Holidays. (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year. This position is incentive plan eligible. Pay Rate: The annual base salary range for this position in most major metropolitan areas in California, Massachusetts, and New York is $80,600 - $139,840. For states not referenced above, the salary range for this position will reflect the candidateu2019s final work location. Please note that the salary information is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market and business considerations when extending an offer. Benefits offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Education Assistance, Parental Leave, Paid time off, and Holidays. This position is incentive plan eligible. Lockheed 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, youu2019re 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 Professional Business Unit: SPACE Relocation Available: Possible Career Area: Mechanical Engineering Type: Full-Time Shift: First

Created: 2026-02-13