Principal Software Engineer
Company: Lockheed Martin
Location: Harmans
Posted on: January 19, 2026
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Job Description:
Lockheed Martin, a leader in global aerospace, defense,
security, and technologies, is seeking a seasoned Principal
Software Engineer to join our dynamic IT and Cybersecurity team. In
this role, you will leverage your extensive expertise to develop
and maintain cutting-edge software solutions that support our
mission-critical systems. You will work in a collaborative
environment that values innovation, ethical standards, and
inclusivity, driving projects that integrate sophisticated
technology systems which contribute directly to the security and
technological advancement of our products and services. Lead the
design, development, and optimization of software systems for
aerospace and defense applications. Collaborate with
cross-functional teams to integrate, deploy, and maintain advanced
technology systems. Mentor junior engineers and lead by example in
terms of code quality and engineering best practices. Conduct code
reviews and maintain documentation standards for system reliability
and sustainability. Engage in continuous professional development
to keep up with the latest industry trends and technologies.
Expertise in multiple programming languages such as C++, Java,
Python, or similar. Strong understanding of embedded systems and
real-time software engineering. Experience with version control
tools like Git, CI/CD pipelines, and automated testing frameworks.
Knowledge of cybersecurity principles relevant to defense and
aerospace industries. Strong problem-solving skills and ability to
work in a dynamic, team-oriented environment. Medical Insurance
Dental Insurance Vision Insurance Life Insurance 401k Project
Management Professional (PMP) certification desirable. Certified
ScrumMaster (CSM) or similar Agile certification beneficial.
Relevant cybersecurity certifications (e.g., CISSP, CompTIA
Security) are an advantage.
Keywords: Lockheed Martin, Franconia , Principal Software Engineer, IT / Software / Systems , Harmans, Virginia