Software Engineer Sr - E3

Posted 2 Hours Ago
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Marietta, GA, USA
In-Office
98K-182K Annually
Senior level
Aerospace • Security • Cybersecurity • Industrial
The Role
Develops embedded software for avionics, aircraft subsystems, ground stations, simulations, and mission systems. Responsibilities span the full software lifecycle, including requirements definition, design, coding, integration, testing, debugging, documentation, and configuration management. The role supports rapid prototyping, hardware-software integration, flight-critical development processes, and integration events. It is onsite in Marietta, Georgia, requires U.S. citizenship and a Secret clearance, and may require up to 10% travel.
Summary Generated by Built In
Standard 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


This team is working new development software where our team members get to work hands on through the entire software development lifecycle from software design, coding, integrating, and lab and field testing. You will work with a talented and passionate team who is involved within the company as well as outside of the workplace. 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.

You will be joining a very open and inquisitive team filled with diverse perspectives and a common mission. Join us onsite in Marietta, GA, where our team operates on a flexible schedule to enhance work-life balance. 


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

This position offers a motivated engineer the opportunity to have a high impact on a productive program as they grow their own skillset.


Travel up to 10% may be required. 


Plans, conducts, and coordinates software development activities. Designs, develops, documents, tests, and debugs software that contains logical and mathematical solutions to business/mission problems or questions in computer language for solutions by means of data processing equipment. Applies the appropriate standards, processes, procedures, and tools throughout the development life cycle. Applies knowledge of computer hardware and software, subject matter to be programmed in business/mission applications, information processing techniques used, and information gathered from system users to develop software. Corrects program errors, prepares operating instructions, compiles documentation of program development, and analyzes system capabilities to resolve questions of program intent, output requirements, input data acquisition, programming techniques, and controls. Ensures software standards are met.

Basic Qualifications
  • Bachelor's degree or above from an accredited college in a relevant field of study; or equivalent experience
  • Experience with C and/or C++
  • Experience with Linux or RTOS (real time operating systems) and associated development toolchains
  • Experience with developing software for avionics systems
  • 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 integrating hardware and software
  • Experience in scripting languages (e.g. python)
  • 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
  • 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

Pay Information

Full-Time Salary Range: $98100.00 - $182100.00

At Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support your well-being, and help you grow—both professionally and personally.

The salary range for this position is as listed on the requisition. Please note that the salary information listed 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(work location) and business considerations when extending an offer.  

Benefits offered: Medical, Dental, Vision, Flexible work arrangements and schedules (e.g., 4x10), 401(k) match, Paid time off, Holidays, Parental Leave, EAP, Flexible Spending Accounts, Education Assistance, Life Insurance, Short-Term Disability, and Long-Term Disability.

  • Annual short-term and/or long-term incentive compensation programs may be offered depending on the position. Payments under these annual programs are not guaranteed and can vary from year to year and are tied to a range of performance metrics.
  • For (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.

Skills Required

  • Bachelor's degree or higher in a relevant field, or equivalent experience
  • Experience with C and/or C++
  • Experience with Linux or real-time operating systems and associated development toolchains
  • Experience developing software for avionics systems
  • Experience with software development processes in a team environment, including peer reviews, unit testing, configuration management, and defect tracking
  • U.S. citizenship
  • Secret clearance updated within the last five years
  • Experience integrating hardware and software
  • Experience with scripting languages such as Python
  • Experience with Agile software development tools and methodologies, including Git, JIRA, Jenkins, or Confluence
  • Experience with networking protocols such as IP, UDP, and RTP
  • Experience with hardware protocols such as ARINC-429, RS-485, I2C, and SPI
  • Experience with safety or flight-critical software development processes
  • Experience with modeling and simulation, including MATLAB
  • Ability to build and maintain collaborative relationships
  • Strong decision-making and judgment skills
  • Experience leading small technical teams

Lockheed Martin Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Lockheed Martin and has not been reviewed or approved by Lockheed Martin.

  • Retirement Support — Retirement benefits are described as a standout element, with a strong 401(k) program and options like an employee stock purchase plan. Feedback suggests these features meaningfully enhance total compensation and long‑term financial security.
  • Healthcare Strength — Healthcare coverage is portrayed as comprehensive from day one, with multiple plan options, mental health resources, and virtual care. Wellness supports such as on‑site services and preventive programs are also highlighted.
  • Flexible Benefits — Work arrangements often include compressed schedules and telework, contributing to a favorable work‑life balance. Feedback suggests this flexibility is a key reason many view the overall package positively.

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The Company
HQ: Bethesda, MD
108,588 Employees
Year Founded: 1912

What We Do

Customer Focus, Innovation and Purpose are Built Into Everything We Do. Lockheed Martin. Your Mission is Ours ™. Headquartered in Bethesda, Maryland, Lockheed Martin is a global security and aerospace company principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services.

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