Flight Sciences Thermal Engineer (Level 2)

Job 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 - 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.

The Mechanical Engineer - Thermal Engineering (Level 2) will support the design, analysis, and validation of thermal systems for advanced aerospace and defense applications. This role involves conducting thermal analyses, developing thermal control solutions, and collaborating across multidisciplinary teams to ensure system performance in extreme environments.

The selected candidate will perform steady-state and transient thermal modeling, support hardware development and test activities, and contribute to system-level integration efforts. This position requires strong analytical skills, attention to detail, and the ability to translate requirements into effective thermal design solutions.

Key Responsibilities:

Perform steady-state and transient thermal analyses for aerospace or defense systems
Develop and maintain thermal models using analytical and numerical methods
Support design of thermal control systems including conduction, convection, and radiation solutions
Generate thermal predictions, margins, and design documentation
Support environmental and qualification testing (TVAC, vibration, thermal cycling)
Collaborate with structural, fluids, avionics, and systems engineering teams
Present analysis results to internal stakeholders and program leadership
Support root cause investigations and anomaly resolution efforts

Basic Qualifications

Bachelor's degree in Mechanical Engineering, Aerospace Engineering, or related STEM discipline

2+ years of professional experience in thermal engineering or heat transfer analysis (internships/co-ops may be considered)

Experience performing thermal analysis using tools such as Thermal Desktop, SINDA/FLUINT, ANSYS, or similar

Working knowledge of heat transfer principles (i.e. conduction, convection, radiation) and thermodynamics

Ability to obtain and maintain a Secret security clearance, thus ship is required

Desired skills

Master's degree in Mechanical or Aerospace Engineering

Experience supporting aerospace, missile, spacecraft, or hypersonic programs

Familiarity with thermal protection systems (TPS) or high-temperature materials

Experience with transient thermal modeling and coupled thermal-structural analysis

Understanding of fluid systems and convective heat transfer

Experience supporting thermal vacuum (TVAC) or environmental test campaigns

Knowledge of industry standards (NASA, DoD, MIL-STD)

Proficiency in MATLAB or Python for data reduction and automation

Strong technical writing and presentation skills

EEO

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.

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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.

Other Important Information

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.

Work Schedule Information

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.

National Pay Statement

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 candidate's 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.

Premium Pay Statement

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 candidate's 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.