Senior Mechanical Engineer (Aerospace/Defense) - 410012

Atrium; Rahway (NJ); On-site; USD 95,000 - 125,000; Full time

Job summary

Atrium is seeking a Senior Mechanical Engineer (Aerospace/Defense) to join our Engineering Design team to develop mission-critical hardware from concept through release. You will lead mechanical design efforts, support NPI and sustaining engineering, and partner cross-functionally to deliver reliable, manufacturable products.

The ideal candidate has 4+ years in mechanical design, proficiency in SolidWorks, and experience with DFMEA, simulation tools, and transitioning designs to manufacturing.

Qualifications

• Bachelor’s degree in Mechanical Engineering required.
• 4+ years of mechanical design experience.
• U.S. Person requirement due to controlled data and defense compliance regulations.

Responsibilities

• Lead conceptual and detailed mechanical design aligned with aerospace/defense requirements.
• Support NPI and sustaining engineering initiatives.
• Conduct DFMEA and failure analysis; implement design improvements to reduce risk and improve reliability.
• Develop renderings, simulation models, and effort estimates for proposals and new business.
• Refine engineering processes and procedures.
• Collaborate with cross-functional partners to achieve system-level objectives.
• Independently own projects and drive execution through completion.
• Participate in customer design reviews and qualification tests (up to 10% travel).

Skills

Mechanical design

Communication

Multi-hat teamwork

Small-team agility

Education

Bachelor's degree in Mechanical Engineering

Tools

SolidWorks 3D CAD

PDM

Simulation tools (Flow/Thermal/Vibration)

DFM/DFT/DFA mindset

Job description

Client Overview

Our client is an established manufacturer that designs and produces specialized electromechanical and electronics hardware used in highly regulated environments. The organization operates in a fast-paced, collaborative setting where engineers work closely across disciplines and have meaningful ownership of designs from concept through production support. They are currently looking to add a Senior Mechanical Engineer (Aerospace/Defense) to their team.

Salary/Hourly Rate

$95k - $125k

Position Overview

Our client is seeking a Senior Mechanical Engineer (Aerospace/Defense) to join an Engineering Design team developing mission-critical aerospace and defense electronics hardware. This role leads mechanical design efforts from concept through release, supports both New Product Introduction (NPI) and sustaining engineering initiatives, and partners cross-functionally to deliver reliable, manufacturable products.

Responsibilities Of The Senior Mechanical Engineer (Aerospace/Defense)

• Lead conceptual and detailed mechanical design aligned with applicable aerospace and defense product requirements.
• Support NPI and sustaining engineering initiatives.
• Conduct DFMEA and failure analysis and implement design improvements to reduce risk and improve reliability.
• Develop renderings, simulation models, and effort estimates to support proposals and new business activities.
• Help refine engineering processes and procedures.
• Collaborate with cross-functional partners to achieve system-level objectives.
• Independently own projects of varying size and complexity, driving execution through completion.
• Participate in customer design reviews and qualification test activities (up to 10% travel).

Required Experience/Skills For The Senior Mechanical Engineer (Aerospace/Defense)

• 4+ years of mechanical design experience.
• Proficiency in SolidWorks 3D CAD and PDM (or equivalent).
• Experience with simulation tools (Flow, Thermal, Vibration, or similar).
• Working knowledge of PCB and circuit card assemblies.
• Experience transitioning designs to manufacturing with a DFM, DFA, and DFT mindset.
• Strong written and verbal communication skills.
• Comfortable working in a small-company environment and wearing multiple hats.
• Must meet U.S. Person requirements (U.S. Citizen or U.S. Permanent Resident/Green Card holder) due to controlled data and defense compliance regulations.

Preferred Experience/Skills For The Senior Mechanical Engineer (Aerospace/Defense)

• Electro-mechanical packaging experience is preferred.
• Exposure to aerospace and defense standards such as DO-160 and MIL-STD-810.
• Experience within the electronics industry.

Education Requirements

• Bachelor’s degree in Mechanical Engineering is required.

Benefits

• Medical, dental, and vision insurance.
• Life insurance.
• 401(k).
• Paid time off (PTO).
• Paid holidays.
• Sick time.