Senior Software Security Engineer

Requirements

• Required Skills:
• 5+ years of professional experience in software development, with at least 3 years in a security-focused role.
• Deep understanding of modern security principles, including DevSecOps, Zero Trust, container security, and common threats.
• Demonstrable expertise in one or more of the following security domains: network security, application security, or cryptography.
• Technical experience implementing and assessing controls for frameworks such as NIST SP 800-53 / 800-171.
• Hands-on experience with scripting and programming languages (e.g., Python, Bash, C++).
• Strong understanding of Linux systems security and hardening.
• Experience with container security (Docker, k3s) and vulnerability scanning tools.
• One or more current, relevant security certifications such as Security+, CySA+, GSEC, CASP, or CISSP.
• Active security clearance required.
• Desired Skills (The more of these you have, the better):
• Experience with embedded Linux environments and the challenges of resource-constrained systems (CPU, memory).
• Hands-on experience with service-oriented or message-oriented architectures.
• Experience in the aerospace, defense, or another high-assurance industry. Particularly those who have written flight software for spacecraft, robotics, and/or autonomous vehicles.
• Experience with Infrastructure as Code (IaC) tools (Terraform, Helm, Ansible).
• Why You'll Want to Work Here
• High-Impact Mission: Your work will directly contribute to the security of critical national space assets.
• Greenfield Opportunity: You will have the authority and autonomy to build a modern security architecture from the ground up, the "right way."
• Expert Team: You will be a senior member of a small, highly skilled team where your exper

Benefits

Additional Information

About Loft Federal Loft Federal is committed to delivering the U.S. national security space community a fast, affordable, and streamlined pathway to orbit. As a wholly owned U.S. subsidiary of Loft Orbital Solutions, Inc., we specialize in providing mission-ready space infrastructure with unmatched efficiency. At Loft, we empower our team with autonomy, ownership, and bold problem-solving opportunities while fostering a tight-knit, supportive environment. We believe that diversity, inclusivity, and community are the foundation of an open and innovative culture. We value kind, collaborative, and mission-driven teammates who excel in problem-solving and communication-because great solutions come from great teams. Are you ready to embark on this exciting journey with us? We are seeking a Senior Software Security Engineer to lead the design, implementation, and assessment of the security architecture for our flight and ground software systems. This is not a traditional IT compliance role; you are a hands-on software engineer first, with a deep passion for building security into the core of a product. You will be responsible for everything from hands-on coding of security services to integrating automated controls into our CI/CD pipelines and ensuring our architecture meets the stringent requirements for a government Authority to Operate (ATO). You will spend your time writing code, hardening our infrastructure, participating in threat modeling, and mentoring our talented software engineers in secure development practices. You will be the team's expert on balancing cutting-edge security with the very real constraints of embedded systems and the compliance demands of NIST and CMMC frameworks.

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