Security Software Engineer - Top Secret Clearance jobs in United States
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SpaceX · 1 day ago

Security Software Engineer - Top Secret Clearance

SpaceX is a company focused on developing technologies for space exploration, aiming to enable human life on Mars. The Security Software Engineer will contribute to the software development lifecycle in government and ITAR-controlled environments, focusing on application and network security, secure coding practices, and compliance with U.S. Government standards.

Advanced MaterialsAerospaceManufacturingNational SecuritySpace Travel
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Growth Opportunities
badNo H1BnoteSecurity Clearance RequirednoteU.S. Citizen Onlynote

Responsibilities

Maintain existing production systems and improve security posture via both direct implementation and recommendations to other teams
Build prototypes and help identify, design, and test security improvements
Implement and promote secure coding practices and software development security methodologies throughout the development lifecycle
Implement and enforce secure coding practices (SAST, DAST, threat modeling) throughout the software development lifecycle
Work closely with software engineers to set software needs, ensure hardware and software integrate smoothly, troubleshoot and fix major system problems
Partner with various teams to define software requirements, system design, and integration strategies
Review and guide software development for ITAR-controlled payloads, following all export laws and company rules strictly
Ensure all software work and outputs meet U.S. Government standards and ITAR regulations
Handle ITAR systems extensively, including controlling access to sensitive technical data and complying with all relevant rules
Create and update detailed software documentation, including design specs, test plans, verification steps, and reports needed for U.S. Government contracts and ITAR compliance

Qualification

Application securityApplied cryptographyNetwork securityOperating system securityIncident responseVulnerability researchSoftware development languagesSecurity solutions designNetwork protocolsITAR complianceSoftware version controlAnalytical skillsCommunicationTeam collaborationFlexibility

Required

Bachelor's degree in computer science or another STEM discipline; or 2+ years of professional experience in security software development in lieu of a degree
Experience with one or more software development languages (i.e. Python, C++, Golang)
Experience designing and implementing security solutions for operating systems, distributed systems, or other enterprise/large-scale infrastructure

Preferred

Experience contributing security improvements to complex systems
Fundamental understanding of network protocols; including the TCP/IP stack as well as UDP based protocols
Experienced in navigating large, complex, interactive systems
Flexibility, communicating clearly, and establishing and maintaining productive working relationships with other engineering teams
Excellent communication skills, both written and verbal
Ability to work both independently and in a team
Demonstrated ability to deal with ambiguity and to learn new technologies quickly
Experience with U.S. Government contracts, including knowledge of government standards and procurement processes
Deep knowledge and practical experience with International Traffic in Arms Regulations (ITAR)
Experience with software version control (e.g., Git), CI/CD pipelines, and automated testing tools
Strong analytical and problem-solving skills for troubleshooting complex software-hardware integration issues
Active Top Secret, Top Secret SCI, or DOE Level Q clearance

Benefits

Long-term incentives, in the form of company stock, stock options, or long-term cash awards
Potential discretionary bonuses
Ability to purchase additional stock at a discount through an Employee Stock Purchase Plan
Comprehensive medical, vision, and dental coverage
401(k) retirement plan
Short and long-term disability insurance
Life insurance
Paid parental leave
Various other discounts and perks
3 weeks of paid vacation
10 or more paid holidays per year
5 days of sick leave per year
Paid sick leave pursuant to the Company policy which satisfies or exceeds the accrual, carryover, and use requirements of the law

Company

SpaceX is an aviation and aerospace company that designs, manufactures, and launches rockets and spacecraft.

Funding

Current Stage
Late Stage
Total Funding
$11.78B
Key Investors
Korea Investment PartnersIntesa SanpaoloAndreessen Horowitz
2025-12-12Secondary Market
2025-09-10Secondary Market
2025-08-13Secondary Market· $10M

Leadership Team

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Bret Johnsen
CFO
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Charles Kuehmann
VP Materials Engineering
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Company data provided by crunchbase