Principal Mechanical Engineer

Position:
Principal Mechanical Engineer

Closing Date: 15 December 2026

Incomar is an aerospace and defence company based in Centurion, South Africa. We are continuously expanding our specialised product development and flight operations capabilities. The group was established in South Africa in 1999, with its origins in military aircraft weapons and avionics integration and flight testing. The company is well established in the local and international industry, with a strong capability in several specialist areas, including:

• Systems Design, Development, and Integration.
• System Testing on a range of platforms / products.
• Product Development.
• Flight Test Execution and Support.

Incomar Aeronautics, a subsidiary within the Incomar group of companies is seeking a motivated individual to take up a role within the Incomar Aeronautics Division to support the Mechanical Engineering activities of the company. This individual will report directly to the Head of Mechanical Engineering.

Required Qualifications:

• Bachelor’s degree in Mechanical Engineering, or a relevant related tertiary qualification.

Required

Skills and Experience:

• 15+ years of Mechanical Engineering experience (preferably in an aerospace environment).
• Proven expertise as an engineer in your field.
• Knowledge or experience in MCAD modelling, geometric dimensioning, and tolerancing.
• Knowledge or experience in the checking and approval of technical 2D drawings for manufacturing release.
• Knowledge or experience in thermal modelling and calculation.
• Knowledge or experience in structural analysis and calculation.
• Mechanical design, manufacturing, product development & qualification skills.
• Product development and system engineering skills involving all aspects of the "V" life cycle and the system engineering management process.
• Configuration and product lifecycle management skills.
• Knowledge of applicable standards related to your field (e.g., MIL-STDs, ISO, RTCA & Civil Aviation standards).
• Proficient in required design, simulation & analysis packages (e.g., Solidworks, CATIA, Ansys (Mechanical & Fluent), MSCOne, MS Visio, MATLAB & Other simulation tools).
• Experience in technical report writing.
• Experience in fault finding activities of mechanical systems and solution proposals.

Preferred

Skills and Experience:

• Experience in the aerospace, automotive, electronics, or precision engineering sectors is advantageous.
• Strong proficiency in 3D CAD and drafting (Solid Works preferred).
• Experienced in structural analysis using Ansys Mechanical and/or MSCOne.
• Experienced in thermal analysis of avionics and other systems using Ansys Fluent & Icepak.
• Knowledge or experience in the RTCA DO-254 design process.
• Knowledge or experience in hardware environmental qualification to military and civilian standards (RTCA DO-160, MIL-STD-810, etc).
• Knowledge of aircraft certification standards (FAR & CS).

Job Description:

• The Principal Mechanical Engineer will be required to perform the following tasks as required by allocated projects:
  • Mechanical design of parts and systems including CAD and drafting.
  • Structural and thermal analysis of parts and systems.
  • Generation of design documentation.
  • Generation of test plans and test reports.
  • Performing structural / functional testing.
  • Ensuring design compliance against requirements and applicable standards.
  • Provide input into new and existing company processes.

Key Qualities:

• Proficient in MS Office.
• Ability to work effectively with cross-functional teams and managecontinuous improvement activities.
• Strong analytical and problem-solving skills.
• Good communicator.
• Able to maintain strict confidentiality.
• Able to multitask.
• Self-motivated and output driven.
• High work capacity and ability to deliver under pressure.
• Quality driven with good attention to detail.
• Team…