Aerospace Security Engineer - Satellite & Cloud Defense

Muon Space, Inc.; United States; Hybrid; USD 154,000 - 207,000; Full time

Benefits offered by this job

Equity compensation

Medical, dental, vision insurance

401k retirement plan

Paid vacation (3 weeks)

12 paid holidays

Paid parental leave

Job summary

Muon Space, Inc. is seeking a Senior Security Engineer to join our Security Engineering & IT team. You will own and advance the security posture across our satellites, ground systems, mission networks, and cloud infrastructure, with a focus on protecting infrastructure, data, and people.

This role may be on-site in San Jose, hybrid, or fully remote from approved U.S. locations and requires experience across IAM, cloud security, incident response, and regulatory compliance including NIST 800-171

Qualifications

• Active TS/SCI clearance, or eligibility to obtain one.
• Proficiency with cloud security in AWS (IAM, VPC, Security Groups, CloudTrail, GuardDuty, Config).
• Experience with SIEM platforms for log analysis and detection engineering.
• Familiarity with NIST 800-171, CMMC, SOC 2, or ISO 27001 compliance.

Responsibilities

• Design and implement cybersecurity controls for satellite software, ground systems, communication links, and mission infrastructure.
• Develop secure software practices for mission systems, including threat modeling, code reviews, vulnerability management, and security testing.
• Monitor mission networks and satellite systems for cyber threats, investigate incidents, and coordinate containment and recovery.
• Own network security architecture including firewall rule management, IDS/IPS tuning, network segmentation, and VPN infrastructure.
• Drive cloud security posture management across AWS environments including IAM policies, S3 bucket security, security group reviews, and CloudTrail/GuardDuty monitoring.

Skills

TS/SCI clearance

cloud security

IAM administration

SIEM/detection engineering

network security

Tools

Okta

Azure AD

AWS IAM

Splunk

GuardDuty

Job description

Muon Space, Inc. is seeking a Senior Security Engineer to join our Security Engineering & IT team. You will own and advance the security posture across our satellites, ground systems, mission networks, and cloud infrastructure, with a focus on protecting infrastructure, data, and people.

This role may be on-site in San Jose, hybrid, or fully remote from approved U.S. locations and requires experience across IAM, cloud security, incident response, and regulatory compliance including NIST 800-171