Mechanical Engineer

Connexions; San Diego (CA); On-site; USD 110,000 - 170,000; Full time

Job summary

Connexions in San Diego designs and analyzes mechanical systems for aerospace and defense. The role focuses on electromechanical actuators, flow control valves, and thermal management, delivering robust hardware solutions from concept through qualification.

You will own project deliverables, run hardware tests, perform GD&T and engineering calculations, and mentor junior engineers while collaborating with senior staff.

Qualifications

• Requires a mechanical or aerospace engineering degree.
• 5–10 years of relevant experience in design, testing, and qualification.
• Proficiency in 3D CAD and GD&T; ability to perform calculations.
• Experience with aerospace/defense standards.

Responsibilities

• Design and analyze mechanical systems for aerospace/defense applications.
• Own project deliverables and hardware qualification.
• Support senior engineers and mentor junior team members.

Skills

Mechanical Design

Manufacturing Engineering

Electromechanical Actuators

Flow Control Valves

SolidWorks

SolidWorks PDM Enterprise

GD&T

MATLAB/Simulink

Thermodynamics

Heat Transfer

Fluid Mechanics

Thermal Management Systems

Environmental Control Systems

Hardware Testing

Thermal and Fluid Calculations

MIL-STD-810

Education

Mechanical or Aerospace Engineering degree

Job description

Design, analyze, develop, test, and qualify mechanical equipment and systems, including electromechanical actuators, flow control valves, thermal management equipment, and environmental control systems for aerospace and defense applications. Own project deliverables, perform hardware qualification and troubleshooting, and support senior engineers while guiding junior team members.

Requirements

The roles require a mechanical or aerospace engineering degree and 5–10 years of relevant experience, including mechanical design, manufacturing, thermal systems, and hands‑on hardware testing. Candidates should be proficient in 3D CAD and GD&T, understand applicable industry and environmental standards, and be able to perform engineering calculations and communicate technical findings.

Key Skills

• Mechanical Design
• Manufacturing Engineering
• Electromechanical Actuators
• Flow Control Valves
• SolidWorks
• SolidWorks PDM Enterprise
• GD&T
• MATLAB/Simulink
• Thermodynamics
• Heat Transfer
• Fluid Mechanics
• Thermal Management Systems
• Environmental Control Systems
• Hardware Testing
• Thermal and Fluid Calculations
• MIL-STD-810