Sr. Staff System Security Engineer (R5357)

Shieldai; Dallas (TX); On-site; USD 130,000 - 180,000; Full time

Benefits offered by this job

Bonus

Benefits

Equity

Job summary

Shield AI is seeking a System Security Engineer to lead cybersecurity across X‑Bat and its mission systems, networks, ground systems, and support infrastructure. This role directly impacts mission survivability, operational resiliency, platform accreditation, and program execution by ensuring cybersecurity is integrated and sustained across the system lifecycle.

The engineer will drive RMF execution, STIG implementation, vulnerability management, and cross‑domain integration, collaborating with

Qualifications

• Bachelor’s degree in a related technical field.
• 8+ years in cybersecurity engineering for defense or aerospace.
• Experience leading cybersecurity for complex defense platforms.
• Knowledge of RMF, STIGs, hardening, and vulnerability management.
• Experience with hardware-software-network-mission integration.
• Ability to obtain a Security clearance (S/SSP) preferred.

Responsibilities

• Own platform cybersecurity strategy and architecture across aircraft and mission systems.
• Define requirements, security architectures, threat models, and workflows.
• Lead RMF execution, accreditation, STIGs, and vulnerability management.
• Drive cross-functional integration with systems engineering, avionics, software, and networks.
• Support cybersecurity testing, incident response, and risk mitigation.

Skills

RMF knowledge

Security architecture

Threat modeling

Vulnerability mgmt

MBSE Cameo

Defense systems

Platform accreditation

Cross-domain

Clearance eligible

Education

Bachelor's in Cybersecurity

Job description

Job Description

We are seeking a System Security Engineer to lead cybersecurity activities across X‑Bat and its associated mission systems, networks, ground systems, and support infrastructure. This role directly impacts mission survivability, operational resiliency, platform accreditation, and program execution by ensuring cybersecurity is architected, integrated, validated, and sustained across the entire system lifecycle.

The engineer will serve as a key stakeholder for platform cybersecurity, driving secure system design, cyber resilience, RMF execution, compliance, vulnerability management, and cross‑domain integration activities. This position plays a critical role in reducing cyber risk, enabling airworthiness and accreditation, and ensuring the platform can operate effectively in contested and denied environments.

Responsibilities

• Own the platform cybersecurity strategy and architecture across aircraft systems, mission systems, networks, ground systems, datalinks, and support infrastructure
• Define cybersecurity requirements, system behaviors, security architectures, threat models, and operational workflows to ensure resilient and survivable mission operations
• Lead RMF execution, accreditation activities, STIG implementation, vulnerability management, and security compliance efforts to support program milestones and operational fielding
• Drive cross‑functional integration between systems engineering, avionics, software, networking, mission systems, test, and airworthiness teams to embed cybersecurity throughout the platform lifecycle
• Support cybersecurity testing, incident response, root cause analysis, and risk mitigation activities across lab, ground, and flight test environments to improve platform resiliency and mission readiness

Qualifications

• Bachelor’s degree in Cybersecurity, Electrical Engineering, Computer Engineering, Systems Engineering, Computer Science, or related technical field
• 8+ years of experience in cybersecurity engineering, defense systems, mission systems, or military aerospace programs
• Experience leading cybersecurity activities for complex integrated systems or defense platforms
• Strong knowledge of RMF, STIGs, system hardening, network security, secure architectures, and vulnerability management processes
• Experience working across hardware, software, networking, and mission system integration environments
• Ability to obtain a S//SAR level security clearance desired
• Experience supporting military aircraft, UAV, mission systems, or tactical communication platforms
• Familiarity with resilient system architectures, zero trust principles, cross‑domain solutions, and contested environment operations
• Experience with MBSE methodologies and tools such as Cameo Systems Modeler
• Background supporting cybersecurity test events, airworthiness, or platform accreditation activities
• Active Secret or Top Secret clearance preferred

Full‑time regular employee offer package: Pay within range listed + Bonus + Benefits + Equity

Temporary employee offer package: Pay within range listed above + temporary benefits package (applicable after 60 days of employment)

All offers are contingent on a cleared background and possible reference check. Military fellows and part‑time employees are not eligible for benefits.

Shield AI is proud to be an equal opportunity workplace and is an affirmative action employer. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, marital status, disability, gender identity or Veteran status. If you have a disability or special need that requires accommodation, please let us know.