Job Description
Sr. Cybersecurity Software Engineer - Secret Clearance Required at Lockheed Martin summary:
The Senior Cybersecurity Software Engineer at Lockheed Martin will lead the design, development, and security enhancement of secure web-based and Java applications for critical government clients. The role involves collaborating with cross-functional teams, integrating cybersecurity best practices into the software development lifecycle, and mentoring junior engineers. A Top Secret clearance and US citizenship are mandatory, and the position is onsite with flexible scheduling options.
Job ID: 676937BR
Date posted: Oct. 29, 2025
Description: Why Work For Us? By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we 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 development 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. At Lockheed Martin, we place an emphasis on empowering our employees by fostering innovation, integrity, and exemplifying the epitome of corporate responsibility. Your Mission is Ours.
What You Will Be Doing :
As a
Senior Cybersecurity Software Engineer , you will lead the design, development, and security hardening of mission-critical web-based and Java applications that serve the Intelligence, Global Strike, and Nuclear Planning communities.
In this role, you will :
• Architect, develop, and maintain secure software solutions, integrating cybersecurity best practices into every stage of the development lifecycle.
• Drive efforts in software design, coding, automated testing, integration, and defect resolution.
• Collaborate closely with systems engineers, solution architects, scrum masters, product owners, and end users to ensure mission requirements are met with robust, secure solutions.
• Contribute to continuous improvement initiatives, including security posture assessments, process automation, and DevSecOps practices.
• Apply your expertise to mentor junior engineers and influence technical direction on high-impact programs
Must be a US Citizen. This position will require a government security clearance. This position is located at a facility that requires special access.
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Basic Qualifications: - Ability to develop Web or Java code in an Agile / DevSecOps team environment.
- Experience reviewing software for cybersecurity assurance.
- Experience tracking system cybersecurity posture / compliance.
- Must be a US Citizen; this position will require a government security clearance. This position is located at a facility that requires special access
Desired Skills: - CISSP or equivalent cyber certification.
- Experience integrating cybersecurity tool chains in a CI/CD environment.
- Familiarity with development tooling VS Code, GitLab, Gradle, GIT, Selenium, JIRA
- Experience with JavaScript Frameworks / Libraries (React/Angular/Vue), CSS, and HTML
- Experience with Web Services (REST) or JSON/XML.
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: No
Career Area: Software Engineering
Type: Full-Time
Shift: First
Keywords:
cybersecurity software engineer, secure software development, DevSecOps, Java developer, web application security, government security clearance, Top Secret clearance, Agile software development, software security hardening, Lockheed Martin cybersecurity
Job Tags
Full time, Work at office, Remote work, Relocation, Flexible hours, Shift work, 3 days per week,