Principal Mechanical Design Engineer - Aerospace

United States Digital Space LLC; Cambridge; Hybrid; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Competitive salaries

Pension contributions

Income protection and life insurance

Employee assistance program

Generous vacation and sick leave

Modern working environment

Job summary

United States Digital Space LLC is seeking a Principal Mechanical Design Engineer I to drive mechanical design for satellites and spacecraft. The role covers concept to in‑orbit support, with heavy emphasis on electronics packaging, thermal management, and CAD/FEA work.

You will collaborate with electrical engineers, mentor junior engineers, and present engineering reviews to customers and executives. Strong communication skills and aerospace experience are essential.

Qualifications

• BS or MS in Mechanical or Aerospace Engineering from an accredited university.
• 9 years of industry experience in design and analysis of electronics packaging including thermal, vibration and stress dynamics.
• Expertise in aerospace and space industry design, development and qualification.
• Experience with PCBAs/CCAs and close collaboration with electrical engineers.
• SolidWorks and FEA tools (Ansys preferred).
• CNC manufacturing experience and EMI/EMC mitigation knowledge.
• Excellent written and verbal communication skills.

Responsibilities

• Lead mechanical design from concept through qualification and in‑orbit support.
• Perform thermal management design, simulations, and mechanical analyses.
• Present design reviews to customers and executives; contribute to proposals.

Skills

Electronics packaging design

Mechanical design

GD&T

Finite Element Analysis (FEA)

Thermal management

Thermal simulation

EMI/EMC mitigation

SolidWorks

Ansys

Effective communication

Education

BS or MS in Mechanical or Aerospace Engineering

Tools

SolidWorks

Ansys

Job description

United States Digital Space LLC is seeking a Principal Mechanical Design Engineer I to drive mechanical design for satellites and spacecraft. The role covers concept to in‑orbit support, with heavy emphasis on electronics packaging, thermal management, and CAD/FEA work.

You will collaborate with electrical engineers, mentor junior engineers, and present engineering reviews to customers and executives. Strong communication skills and aerospace experience are essential.