Who are we looking for? We’re seeking skilled and proactive Mechanical Engineers (Defence) with experience in defence aviation. If you’re collaborative, solution-focused, and passionate about engineering, this role is for you. Your Role Key responsibilities include: Design, test, and maintain mechanical components and systems for defence applications. Collaborate with multidisciplinary teams to ensure compliance with specifications and safety standards. Install, calibrate, and troubleshoot equipment, ensuring optimal performance and system reliability. Provide technical support, troubleshooting, and continuous improvement solutions. Prepare and maintain documentation, reports, and technical drawings. The Essential Requirements Cert IV or equivalent qualification in Mechanical Engineering. 3 years’ experience in mechanical engineering, preferably in defence aviation sector. Ability to work a day shift with flexibility for occasional afternoon shifts. Strong attention to detail, safety focus, and commitment to quality workmanship. Currently holds Baseline security clearance or ability to obtain Strong problem-solving, analytical, and technical skills. Ability to work collaboratively and independently in a fast-paced environment. Excellent communication and interpersonal skills. Important: Due to Defence security clearance requirements , only Australian citizens are eligible for these roles. Additional qualifications We are specifically looking for candidates capable of committing to flexible working arrangements; further, please ensure that you are available to work in Toowoomba, QLD before applying. What’s in it for you? Competitive remuneration package Training and professional development opportunities Exposure to cutting-edge aviation/aerospace projects Supportive and collaborative work environment Contact us Want to get in touch with us? We would love to hear from you - reach out via phone or email, listed below. Phone: 02 7250 6186 (Elaine), 02 9137 6831 (Jessica), 02 4072 5965 (James) or 02 7072 6121 (Allan) Email: careers@sigmaaerospace.com.au Website: https://www.sigmaaerospace.com.au/ Instagram: https://www.instagram.com/sigmaaerospace/?hl=en Facebook: https://www.facebook.com/sigmaaerospace/ NOTE: Please ensure that you meet the essential criteria before submitting your application. A cover letter outlining your desire to work with Sigma will also be highly regarded.