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Senior Cyber Security Engineer jobs in United States
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Skyloom Global · 3 hours ago

Senior Cyber Security Engineer

Skyloom, an IonQ company, is a telecommunications company focused on developing next-generation space communication technology. The Senior Cyber Security Engineer will provide strategic guidance and technical expertise to design comprehensive cybersecurity strategies for space-based and ground support systems, ensuring compliance with government regulations and security frameworks.
Telecom & CommunicationsAerospaceSatellite CommunicationTelecommunications
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Responsibilities

Lead and execute comprehensive cybersecurity assessments, penetration testing oversight, and risk analyses (e.g., RMF, Cyber Mission Assurance) across the space platform and supporting infrastructure
Interpret, advise on the application of, and validate adherence to mandatory government security regulations, including deep familiarity with the NIST Risk Management Framework (RMF) and specific application of CNSSI 1253 with the Space Platform Overlay
Provide expert consultation on the utilization of Security Requirements Guides (SRGs) and Security Technical Implementation Guides (STIGs) to harden systems, identify vulnerabilities, and offer remediation strategies for military and government environments
Define and recommend strategies for maintaining the organizational security posture based on established cybersecurity frameworks (e.g., NIST CSF, ISO 27001), customized for space domain constraints
Provide guidance on the tailoring of security controls for both flight segment (spacecraft, satellites) and ground segment (command and control, data processing centers) based on mission requirements and operational constraints
Provide technical consulting on hardening embedded software and firmware, addressing unique challenges such as memory constraints, realtime operating systems (RTOS), hardware root-of-trust, and supply chain integrity
Lead the design and planning of security architectures for new space systems, championing security-by-design principles and resilient, fault-tolerant architectures
Design, develop, and deliver specialized cybersecurity training programs for developers and engineering teams, focusing on secure coding practices, vulnerability awareness, and secure configuration tailored to the embedded and space development environment

Qualification

NIST Risk Management FrameworkEmbedded Systems SecurityCybersecurity AssessmentsSecurity Architecture DesignSecure Coding PracticesTechnical DocumentationCybersecurity TrainingRisk AnalysisCommunication Skills

Required

Proven, hands-on knowledge and experience interpreting and applying the NIST Risk Management Framework (RMF), CNSSI 1253 Space Platform Overlay, and SRG/STIG guides
Strong understanding of security principles for embedded software and low-level systems (e.g., secure boot, cryptography implementation in constrained environments)
Experience conducting, validating, and reporting formal cyber assessments and analyzing complex security control implementations
Demonstrated understanding of the operational differences and constraints between flight segment and ground segment systems
Excellent written and verbal communication skills, with proven experience in technical documentation and developers training
To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Skyloom Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable

Preferred

Bachelor's or Master's degree in Cybersecurity, Computer Science, Aerospace Engineering, or a related technical field
Minimum of 8 years of experience in Cybersecurity, with at least 3 years focused on critical infrastructure, defense, or space systems
Relevant professional certifications (e.g., CISSP, CISM, CSSLP, or specialized certifications related to embedded systems or RMF/DoD)

Benefits

Comprehensive medical, dental, and vision plans
Matching 401K
Unlimited PTO and paid holidays
Parental/adoption leave
Legal insurance
Home internet stipend
Extensive medical coverage
Strong vision and dental plans
Flexible spending accounts
Additional supplemental health options
Mental Health Resources
Pet insurance options

Company

Skyloom Global

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Skyloom is developing a spaceborne infrastructure based on optical communications technology & relay satellites.

Funding

Current Stage
Growth Stage
Total Funding
$3.1M
Key Investors
Draper Cygnus
2025-11-17Acquired
2022-03-27Series Unknown
2019-11-14Series Unknown

Leadership Team

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Santiago Tempone
CTO & co-founder
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