Principal Engineer, Survivability (R4608) X-BAT Division X-BAT Engineering - MEG United States United States San Diego, California Dallas, Texas Washington, DC Full Time Employee 200000 - 310000 Founded in 2015, Shield AI is a venture-backed deep-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include the V-BAT and X-BAT aircraft, Hivemind Enterprise, and the Hivemind Vision product lines. With offices and facilities across the U.S., Europe, the Middle East, and the Asia-Pacific, Shield AI’s technology actively supports operations worldwide. For more information, visit www.shield.ai. Follow Shield AI on LinkedIn, X, Instagram, and YouTube. Job Description: At Shield AI, we're building the most intelligent autonomous aircraft ever deployed. As we push the boundaries of what’s possible in contested environments, we are looking for a Survivability Engineer to shape and optimize the low observable (LO) performance of our next-generation autonomous aircraft. This role is ideal for an experienced engineer with expertise in radar cross-section (RCS) shaping, LO materials, and electromagnetic signature modeling who thrives in a fast-paced, mission-driven environment. You’ll work across disciplines to ensure our aircraft can survive, evade, and complete missions in highly contested airspace. Job Description: At Shield AI, we're building the most intelligent autonomous aircraft ever deployed. As we push the boundaries of what’s possible in contested environments, we are looking for a Survivability Engineer to shape and optimize the low observable (LO) performance of our next-generation autonomous aircraft. This role is ideal for an experienced engineer with expertise in radar cross-section (RCS) shaping, LO materials, and electromagnetic signature modeling who thrives in a fast-paced, mission-driven environment. You’ll work across disciplines to ensure our aircraft can survive, evade, and complete missions in highly contested airspace. #LI-AD6 #LF 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) Salary compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, licenses and certifications, and specific work location. All offers are contingent on a cleared background and possible reference check. Military fellows and part-time employees are not eligible for benefits. Please speak to your talent acquisition representative for more information. ### 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. What you'll do:

Design and optimize low observable (LO) features across the airframe focusing on shaping, edge treatments, radar-absorbing materials, and subsystem integration.

Conduct modeling and simulation of electromagnetic signatures using industry-standard tools such as HFSS, CST Studio Suite, Xpatch, and SENTRi.

Work with multidisciplinary teams in propulsion, avionics, structures, and AI to ensure survivability is baked into the system architecture from day one.

Lead or support signature testing efforts, including indoor and outdoor RCS range tests, validation campaigns, and supplier-level hardware evaluations.

Translate mission threats and requirements into survivability features that address RCS, thermal, visual, and acoustic observability constraints.

Partner with materials scientists to mature radar-absorbing coatings and structural RAM for manufacturability and field durability.

Support internal and customer assessments, threat modeling reviews, and milestone decisions throughout the program lifecycle.

Required qualifications:

B.S. or M.S. in Aerospace Engineering, Electrical Engineering, Physics, or a related discipline.

10+ years of hands-on experience in LO or survivability engineering, preferably on tactical aircraft, UAVs, or stealth systems.

Proficiency with EM simulation tools such as HFSS, CST, Xpatch, or SENTRi.

Strong understanding of RCS shaping principles, edge treatments, cavity suppression, and materials integration.

Practical experience with LO testing methods and RCS measurement equipment.

Familiarity with radar-absorbing materials (RAM), LO coatings, and structural LO trade studies.

Solid collaboration and communication skills with the ability to work across design, test, and manufacturing teams.

U.S. Citizenship and active Secret clearance required.

Preferred qualifications:

Experience with military UAV platforms or 5th-gen fighter programs.

Background in survivability analysis in contested environments (e.g., IADS, radar networks).

Familiarity with platform CONOPS, threat modeling, and mission-level survivability assessments.

Ability to contribute to the design, test, and fielding of a fully integrated LO platform.

Active Top Secret or SCI clearance.

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