Software Engineer Sr (level 3)

Company: Lockheed Martin
Location: Smyrna
Posted on: April 1, 2026

Job Description:

WHO WE ARE The Skunk Works (Lockheed Martin Advanced Development Programs) is looking for world-class talent in Software Engineering to be a part of a team that will carry on our 80-year tradition-making history in advanced aircraft development. The vehicle management software team writes software for a wide range of aircraft subsystems that make an airplane fly. We are a highly innovative, multi-site, fast paced team developing modular and reusable software to support both our current platforms and the aircraft of the future. WHAT’S IN IT FOR YOU 3-day weekend every weekend! 4-10 Mon-Thursday option Flexible Schedules This team is working new development software where our team members get to work hands on from the lab to the aircraft in all stages of development, including design, code, integration, and lab and field test. We work on a wide range of technologies and give our team members the opportunity to drive their career towards their area of interest. You will work with a high performing and passionate team who is involved within the company as well as outside the organization. This position offers meaningful and exciting technical work spanning both software development and supporting integration and test for a multi-site team. You will be joining a very open and inquisitive team filled with diverse perspectives and a common mission. You will be able to use this opportunity to learn from some of our most talented and senior engineers to grow into a subject matter expert to support both our current platforms and our platforms of the future. YOUR IMPACT You will be able to take your passion for software and avionics and your experience as an embedded software engineer and use it to help develop software for a wide range of aircraft systems supporting both rapid prototyping efforts and deliverable software. The responsibilities for this role will include: - full software lifecycle development spanning across many avionics services, ground station development and mission system software technologies. - supporting ground station development for manned and unmanned systems - development of simulations to support software development - interfacing with key software and systems engineers to define requirements for rapid prototypes - participating in integration and test events - supporting planning and scheduling for key integration and milestone events You will have the ability for growth and exploration while learning from some of the brightest professionals in our industry. This position offers a motivated engineer the opportunity to have a high impact on a fast paced program as they grow their own skillset. Travel up to 10% may be required. AeroSW2026 Basic Qualifications • Bachelor's degree or above from an accredited college in a relevant field of study; or equivalent with minimum 3 years experience • Experience with C and/or C++ • Experience with Linux or RTOS (real time operating systems) and associated development toolchains • Experience with the software development process in a team environment (peer reviews, unit testing, configuration management, defect tracking) Must be a US Citizen. This position is located at a facility that requires special access and a Secret clearance updated within the last 5 years to be considered. Desired skills • Experience with developing software for avionics systems • Experience integrating hardware and software • Experience in scripting languages (e.g. python) • Experience with build environments and tools (make and CMake) • Experience using agile software development tools and methodologies (e.g. Git, JIRA, Jenkins, Confluence, etc.) • Experience with networking protocols (e.g. IP, UDP, RTP, etc.) • Experience with hardware protocols (e.g. ARINC-429, RS-485, I2C, SPI, etc.) • Experience working with safety/flight critical software development processes (e.g. MIL-STD-516C, MIL-HDBK-1797, AC-17-01, DO-178) • Experience with Modeling and Simulation (including familiarity with MATLAB) • Ability to build and maintain relationships and collaborative effectively with others • Strong decision making and judgment skills • Experience leading small technical teams • Experience mentoring and training junior engineers 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 $93,200 - $164,450. 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 $107,300 - $185,840. 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.

Keywords: Lockheed Martin, Athens , Software Engineer Sr (level 3), Engineering , Smyrna, Georgia