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Software Engineer; Top Secret Clearance Required

Job in King of Prussia, Montgomery County, Pennsylvania, 19406, USA
Listing for: Lockheed Martin
Full Time position
Listed on 2025-11-28
Job specializations:
  • Software Development
    Software Engineer, DevOps
Salary/Wage Range or Industry Benchmark: 90000 - 120000 USD Yearly USD 90000.00 120000.00 YEAR
Job Description & How to Apply Below
Position: Software Engineer (Top Secret Clearance Required)

Who We Are

Want to work with cutting‑edge technologies in a fun, fast‑paced, and dynamic environment? Are you a problem solver that takes on challenges that others think are impossible? If you answered yes to these questions, then we invite you to join Lockheed Martin Rotary and Missions Systems (RMS) as a Senior Software Engineer!

Lockheed Martin is a global leader in aerospace, defense, and technology solutions. You will be joining Lockheed Martin Rotary and Mission Systems. About Rotary and Mission Systems. Our team in Warfighter Solutions consists of a variety of engineering disciplines that work together to execute design, development, integration and test of systems and have expertise in Software Defined Radios (SDR), digital signal processing (DSP), GNSS constellation simulation, and signal transceivers.

Our team members build strong relationships with one another, founded on trust, open communication, and a sense of camaraderie. This leads to a positive and productive work culture, where team members feel valued, supported, and motivated to contribute to the team’s success.

We embody the Lockheed Martin core values. Learn more about our Culture here.

Who You Are

You thrive in a collaborative, multidisciplinary engineering environment and are committed to delivering best‑in‑class products and solutions. You have an innovative mindset, and capable of finding solutions to complex engineering challenges.

You have a Bachelors degree from an accredited college in a related discipline, with 5 years of professional experience, a Masters degree with over 3 years of experience, or equivalent experience/combined education.

You currently hold a Top Secret clearance.

The Work
  • As a Software Engineer for Warfighter Solutions, you can help us take on the world’s most important and complex challenges by providing solutions to a variety of technical problems. We provide tactical based solutions which specialize in software defined radio, digital signal processing, constellation simulation, and command and control software in order to support our customers’ dynamic needs in supporting the warfighter.
  • Integrate open and modular hardware and software components in the field of Radio Frequency (RF) systems.
  • Develop software required to support integration and control of waveform processing applications.
  • Supporting Integration & Test (I&T) to troubleshoot and resolve software defects, performance issues, and integration challenges.
  • Work closely with system engineers to ensure that software development aligns with overall system architecture and requirements, and that testing and validation processes are comprehensive and effective.
  • Support current software architecture which includes C++, Linux scripting and Qt GUI development utilizing git for CM control.
  • Engage in daily scrum and other weekly agile meetings.
  • Work closely with the Product Owner, Software Architect, and Chief Engineer to support Customer design reviews and various other milestone events.
Why Work For Us

Your Health, Your Wealth, Your Life. Our flexible schedules, competitive pay and comprehensive benefits enable you to live a healthy, fulfilling life at and outside of work. Learn more about Lockheed Martin’s competitive and comprehensive benefits package.

Basic Qualifications
  • Security Clearance required prior to start:
    Top Secret
  • Experience developing full stack software using Object Oriented Programming
  • Knowledge of modern Dev Sec Ops  tools and practices, including Gitlab CI/CD
  • Proficiency in developing automated unit, integration, and end‑to‑end tests
  • Experience working with Linux OS, including basic system administration (emphasis on RHEL)
  • Desire and ability to quickly learn unfamiliar technologies and domains in a rapid paced, Agile development environment
Desired Skills
  • Experience with C++ Software development
  • Experience with Linux operating system
  • Experience with software configuration management (e.g. GIT, Jira, Confluence, etc.)
  • Experience in Full Stack Development
  • Experience developing mock (stub) interfaces for system testing
  • Experience in Hardware test and integration
  • Experience decomposing requirements / features
  • Effective oral and written communication…
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