Firefly Aerospace
Cybersecurity Engineer II
Cedar Park, TX · Full-time · Posted Oct 29, 2026
- Experience
- 2+ years in information security engineering; no alternatives stated.
- Education
- Bachelor's degree in Computer Science, Information Security, or a related field.
- Visa sponsorship
- To conform to U.S. Government space technology export regulations, including ITAR, applicants must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.
About the job
Designs, implements, and maintains security across Linux and macOS systems, while securing Kubernetes, container, and cloud environments and responding to cyber threats.
What you'll do
- Harden Linux and macOS systems; assess vulnerabilities, manage patches, and monitor for suspicious activity.
- Secure Kubernetes clusters and containerized applications, including container images and registries.
- Investigate and respond to security incidents, maintain response plans, and support security audits and compliance documentation.
What they ask for
- Bachelor's degree in Computer Science, Information Security, or a related field.
- 2+ years of information security engineering experience, with a strong, demonstrated focus on Linux and macOS security.
- Proficiency in Linux/Unix/macOS operating systems, including security configurations, hardening, and best practices.
- Working knowledge of Kubernetes and container orchestration platforms, including security best practices.
Nice to have
- Certifications such as CISSP, AWS Certified Security – Specialty, Certified Kubernetes Security Specialist (CKS), or similar.
- Experience with compliance frameworks, cloud security, configuration management or IaC, SIEM, incident response, networking, or DevSecOps.
Tools
Linux, macOS, Kubernetes, Docker, AWS, Azure, Ansible, Terraform
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