Staff Software Security Engineer jobs in United States
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Muon Space · 1 day ago

Staff Software Security Engineer

Muon Space is an end-to-end Space Systems Provider that designs, builds, and operates LEO satellite constellations. They are seeking a Staff Software Security Engineer to implement secure coding practices, collaborate with teams to define software requirements, and ensure compliance with U.S. Government standards and ITAR regulations.

AerospaceInformation ServicesInformation Technology
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Responsibilities

Implement and champion secure coding practices and software development security methodologies throughout the development lifecycle
Implement and enforce secure coding practices (e.g., SAST, DAST, threat modeling) throughout the software development lifecycle
Collaborate closely with software engineers to define software requirements, ensure seamless hardware/software integration, and troubleshoot complex system-level issues
Collaborate with cross-functional teams to define software requirements, system architecture, and integration plans
Review and advise on the development of software for ITAR-controlled payloads, ensuring strict adherence to all applicable export control laws and company policies
Ensure all software development activities and deliverables comply with U.S. Government standards and ITAR regulations
Work extensively with ITAR systems, including managing access to controlled technical data, ensuring compliance with applicable controls and regulations
Conduct threat modeling, vulnerability analysis, and security code reviews to identify and mitigate potential security risks in software and systems
Develop and maintain comprehensive software documentation, including design specifications, test plans, verification procedures, and reports necessary for U.S. Government contracts and ITAR compliance
Support the integration, testing, and deployment of software solutions in laboratory and operational environments
Contribute to the continuous improvement of software development processes, security protocols, and compliance procedures
Advise the organization on CMMC compliance

Qualification

Software development securityITAR complianceSecure SDLC practicesThreat modelingVulnerability assessmentSoftware version controlCI/CD pipelinesAutomated testing frameworksAnalytical skillsAgile developmentSystems engineering principlesCMMC implementationProblem-solving skillsCommunication skills

Required

Minimum of 10 years of professional experience in software development
Proven experience in software development security, including secure SDLC practices, threat modeling, and vulnerability assessment
Demonstrable experience writing, testing, and debugging software for hardware platforms
Experience with U.S. Government contracts and familiarity with government standards and procurement processes
In-depth knowledge and hands-on experience with International Traffic in Arms Regulations (ITAR)
Experience with software version control systems (e.g., Git), continuous integration/continuous deployment (CI/CD) pipelines, and automated testing frameworks
Strong analytical and problem-solving skills with the ability to troubleshoot complex software and hardware integration issues
Excellent written and verbal communication skills, with the ability to document technical details clearly and concisely

Preferred

Experience with specific industry standards relevant to government or aerospace/defense projects (NIST 800-series)
Familiarity with encryption technologies and secure data handling practices
Experience working in Agile development environments
Knowledge of systems engineering principles
Experience implementing CMMC
Direct experience with working in an organization that contracts with the US Government

Benefits

Equity compensation
Medical, dental, and vision insurance
401k retirement plan
Short & long term disability and life insurance
Three weeks paid vacation for new employees
12 paid holidays
Unlimited sick time
Paid parental leave

Company

Muon Space

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Muon Space is a space systems company that designs, builds, and operates LEO satellite constellations for earth intelligence missions.

Funding

Current Stage
Growth Stage
Total Funding
$225.8M
Key Investors
United States Space ForceCongruent VenturesActivate Capital Partners
2025-10-08Grant· $44.6M
2025-06-12Series B· $44.5M
2025-06-12Debt Financing· $45M

Leadership Team

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Jonathan Dyer
CEO
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Dan McCleese
Co-Founder & Chief Scientist
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Company data provided by crunchbase