Senior Aerospace Security Engineer — Cloud & Compliance

ArcTern Ventures; United States; Hybrid; USD 154,000 - 207,000; Full time

Job summary

Muon Space seeks a Senior Security Engineer to join our Security Engineering & IT team, owning and advancing security across satellites, ground systems, mission networks, and cloud infrastructure. The role emphasizes defense of aerospace systems and compliance with NIST 800-171 and ITAR/EAR.

This position may be on-site in San Jose, hybrid, or fully remote from an approved U.S. location, with a competitive compensation package and benefits.

Qualifications

• 5+ years of information security or security engineering experience.
• Active TS/SCI clearance or eligibility to obtain one.
• Familiarity with satellite and space-ground link security.
• Experience securing aerospace or mission systems—satellites, ground systems, embedded/flight software, or C2 interfaces.
• Hands-on IAM administration with Okta or Azure AD.
• Knowledge of AWS security services and SIEM tooling (Splunk/Sentinel/Elastic).

Responsibilities

• Design and implement cybersecurity controls for satellite software and ground systems.
• Develop secure software practices including threat modeling, code reviews, vulnerability management, and security testing.
• Monitor mission networks and satellite systems for cyber threats, coordinate containment and recovery.
• Collaborate with aerospace, software, systems, and compliance teams to meet security, safety, and regulatory requirements.
• Own network security architecture including firewall rule management, IDS/IPS tuning, segmentation, and VPN infra.
• Drive cloud security posture management across AWS environments including IAM, S3, CloudTrail/GuardDuty.

Skills

Information security

Security engineering

Threat modeling

Code reviews

Vulnerability management

Security testing

Okta/AWS IAM

SIEM

Tools

Okta

Azure AD

Terraform

CloudFormation

CI/CD security

Job description

Muon Space seeks a Senior Security Engineer to join our Security Engineering & IT team, owning and advancing security across satellites, ground systems, mission networks, and cloud infrastructure. The role emphasizes defense of aerospace systems and compliance with NIST 800-171 and ITAR/EAR.

This position may be on-site in San Jose, hybrid, or fully remote from an approved U.S. location, with a competitive compensation package and benefits.