Senior Mechanical Engineer

Brahma Consulting Group; Los Angeles (CA); On-site; USD 120,000 - 190,000; Full time

Job summary

Brahma Consulting Group's client is seeking a Senior Mechanical Engineer with 5+ years to serve as a Responsible Engineer for critical subsystems on a next-generation autonomous underwater vehicle (AUV/UUV) platform.

In a fast-paced, first-principles engineering culture, you will own your subsystem end-to-end—from concept through CAD, analysis, prototyping, field trials, and mass production—without delegation to analysts, ensuring seamless vehicle-level integration with electrical, firmware, and

Qualifications

• BS or higher in Mechanical or Aerospace engineering.
• 5–7+ years taking hardware concept through production.
• Proven track record delivering a complex mechanical subsystem.
• Expert in NX CAD and FEA/CFD analysis.
• Experience with underwater vehicles, aerospace, EV, UAVs, or robotics.
• Design for wet/pressurized environments.

Responsibilities

• Own subsystem end-to-end from concept to production handoff.
• Lead CAD modeling and structural/thermal analyses.
• Prototype fabrication and field testing activities.
• Directly coordinate with electrical/firmware/software teams.
• Collaborate with machine shops and suppliers for validation.

Skills

CAD mastery

FEA/CFD analysis

NX CAD

System integration

Prototyping

Education

Bachelor of Science in Mechanical Engineering

Aerospace Engineering

Tools

NX Nastran

Ansys Fluent

STAR-CCM+

Job description

Our client is seeking Senior Mechanical Engineers with 5+ years of experience to serve as Responsible Engineers (REs) owning critical mechanical subsystems for their next-generation autonomous underwater vehicle (AUV/UUV) platform.

Operating with a fast-paced, first-principles engineering culture, their team designs, builds, and deploys attritable undersea systems directly for the U.S. Navy. In this role, you won't pass work off to dedicated analysts or systems engineering intermediaries—you will individually own your subsystem end-to-end from a blank sheet through CAD, analysis, prototyping, field trials, and mass production.

Key Responsibilities

• Subsystem Ownership: Function as the Responsible Engineer for your assigned subsystem across its complete lifecycle: concept design, detailed analysis, prototyping, bench/water testing, and production handoff.
• Full-Stack Engineering: Drive CAD modeling (NX) and run your own FEA/CFD analysis (NX Nastran, Ansys, Star-CCM+) without relying on third-party or outsourced simulation groups.
• Rapid Prototyping & Field Testing: Hands-on fabrication, assembly, and bench testing of hardware, followed by active participation in ocean testing and sea trials.
• Cross-Disciplinary Integration: Directly manage interfaces with electrical, firmware, and software hardware systems to ensure seamless vehicle-level integration.
• Manufacturing & Supplier Management: Partner directly with machine shops and specialized fabricators. Validate vendor claims through first-principles physical testing rather than relying on spec sheets.

Qualifications & Background

Minimum Qualifications

• Education: Bachelor of Science (BS) or higher in Mechanical Engineering, Aerospace Engineering, or a closely related field.
• Experience: 5 to 7+ years of mechanical engineering experience taking hardware from concept through production.
• Proven Track Record: Demonstrated experience individually architecting and delivering a complex mechanical subsystem from scratch to production.
• CAD & Analysis Mastery: Expert-level proficiency in complex assembly management in CAD (Siemens NX strongly preferred) combined with hands-on experience performing FEA and CFD.
• Domain Exposure: Background in tightly integrated electromechanical systems in underwater vehicles, aerospace, electric vehicles (EV), UAVs, or robotics.
• Submerged/Pressurized Systems: Experience designing for wet/pressurized environments, including static/dynamic sealing, corrosion prevention, and depth qualification.

Deep Expertise (Match at least one)

• Hull/Hydrodynamics: Hydrodynamic shaping, fairing design, drag reduction, underwater stability.
• Structures: Pressure vessels, frame integration, structural load paths, weight/buoyancy optimization.
• Mechanisms: Underwater actuators, release mechanisms, control surfaces, deployable structures.
• Battery Packaging: Thermal management, high-density energy storage containment, cell packaging, safety qualification.

Technical Stack & Tools

• Simulation & Analysis: NX Nastran (FEA), Ansys Fluent, Siemens STAR-CCM+ (CFD)