Sr. Software Engineer (Top Secret Clearance Required)
Company: Lockheed Martin
Location: King of Prussia
Posted on: November 3, 2025
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Job Description:
Job ID: 702616BR Date posted: Aug. 21, 2025 Description: 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 DevSecOps 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 skills • Methodical approach to problem solving •
Working knowledge of Digital Signal Processing (DSP) concepts,
software-defined radio (SDR) frameworks, and real-time systems that
include a mixture of firmware, embedded, and traditional software
applications • Experience in the Radio Frequency (RF) • Experience
working with distributed development teams in an agile development
environment • Ability/willingness to travel for test events
Security Clearance Statement: This position requires a government
security clearance, you must be a US Citizen for consideration.
Clearance Level: Top Secret Other Important Information You Should
Know Expression of Interest: 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 Schedules: 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. Schedule for this
Position: 4x10 hour day, 3 days off per week 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. Experience Level: Experienced Professional Business
Unit: RMS Relocation Available: Possible Career Area: Software
Engineering Type: Full-Time Shift: First
Keywords: Lockheed Martin, Lower Merion , Sr. Software Engineer (Top Secret Clearance Required), IT / Software / Systems , King of Prussia, Pennsylvania
