Cloud Security Engineer

About the Company

Apex manufactures satellite buses at scale using a combination of software, vertical integration, and hardware designed for manufacturing. We are a fast-growing startup that has raised more than $500M in funding, working to provide humankind access to the galaxy beyond our planet.

Responsibilities

• Design and implement secure cloud architectures across AWS GovCloud, Azure, and Google Cloud
• Maintain compliance with NIST 800-53, FedRAMP, DoD IL-2/4/5, RMF, and SCCA requirements
• Manage IAM, RBAC, JIT access, and Zero Trust Architecture principles
• Deploy and optimize cloud-native security tools including Microsoft Defender, Azure Sentinel, and SIEM platforms
• Conduct vulnerability assessments, penetration testing simulations, and security configuration reviews
• Develop and maintain System Security Plans (SSP), SAR, and POA&M
• Respond to security incidents and perform root-cause analysis
• Collaborate with DevSecOps to integrate security into CI/CD pipelines and automate controls using IaC

Requirements

• Must be a U.S. citizen
• Bachelor’s degree in Cybersecurity, Information Assurance, Computer Science, or 5+ years equivalent experience
• 5–9+ years in cloud security engineering with hands-on work in AWS GovCloud, Azure, or GCP
• Deep knowledge of IAM, encryption, network security, and cloud-native security services
• Proficiency with SIEM, vulnerability scanners, and automation tools like Terraform and Python
• Experience with compliance frameworks including NIST, FedRAMP, and RMF
• Understanding of container and Kubernetes security

Preferred Qualifications

• CISSP certification
• AWS Certified Security-Specialty or Solutions Architect
• Microsoft Certified: Security, Compliance & Identity
• Security+, CEH, or CSSP related certifications (CySA+, GCIH)