Facilities Engineer Sr (Level 3)

Company: Lockheed Martin
Location: Grand Prairie
Posted on: April 1, 2026

Job Description:

You will be the Facilities Engineer Sr (Level 3) for the Facilities Engineering team. Our team is responsible for planning, designing, and overseeing the reconfiguration, maintenance, and alteration of equipment, machinery, buildings, structures, and other facilities. What You Will Be Doing As the Facilities Engineer Sr (Level 3) you will be responsible for planning, designing, and overseeing facility and equipment modifications while ensuring compliance with company and government restrictions. Your responsibilities will include, but are not limited to: Plan, design, and oversee facility and equipment modifications while ensuring regulatory compliance. Gather and analyze data, develop detailed CAD (Auto?CAD) layouts, and coordinate design criteria with architecture/engineering firms. Prepare cost estimates for construction and facilities acquisition, covering equipment, labor, materials, and related expenses. Inspect construction and installation progress, verify drawings, and maintain the record?drawing system. Troubleshoot mechanical/electrical issues, perform root?cause analysis, and implement corrective actions. Why Join Us The ideal candidate is a decisive, collaborative engineer with deep mechanical?systems expertise (HVAC, compressed air, vacuum, DI water, plumbing, utilities). This role offers the chance to lead complex projects, drive innovative solutions, and make a tangible impact on critical defense infrastructure. We are committed to supporting your work?life balance and overall well?being, offering flexible scheduling options. Learn more about Lockheed Martin’s comprehensive benefits package here . Further Information About This Opportunity This position is in Dallas. Discover more about our Dallas, Texas location. MUST BE A U.S. CITIZEN - This position is located at a facility that requires special access. The selected candidate must have the ability to obtain a Secret clearance. Basic Qualifications - Bachelor’s degree from an accredited college in Mechanical Engineering or related degree with a minimum of three years professional experience - Ability to read and execute engineering drawings and specifications with a strong understanding of CAD systems - Experienced in HVAC, mechanical piping, plumbing systems and equipment design Desired skills - Excellent problem-solving, communication, and project management skills - Knowledge of equipment commissioning, Building Automation and Systems (BAS) - Experience in managing contract performance of designers and contractors/subcontractors - Familiarity with ASHRAE standards and ICC 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, 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. Ability to work remotely Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility. 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. Security Clearance Information This position requires a government security clearance, you must be a US Citizen for consideration. 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 $77,700 - $136,965. 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. Pay Rate: The annual base salary range for this position in most major metropolitan areas in California, Massachusetts, and New York is $89,300 - $154,905. 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.

Keywords: Lockheed Martin, DeSoto , Facilities Engineer Sr (Level 3), Engineering , Grand Prairie, Texas