Earnings for highway engineers can vary based on expertise and niche.

• • Graduates can expect $57,000 - $65,000. 
  • Junior engineers can anticipate $63,000 - $78,000. 
  • Mid-level engineers with several years of expertise may receive $78,000 - $99,000. 
  • Senior engineers might get $105,000 - $138,000.* 
  • Associate engineers can command $140,000 - $160,000.*
  • Associate Directors could earn $155,000 - $190,000.*
  • Directors might see $210,000 - $280,000.*

*Note: Earnings can be influenced by specialisation, location, qualifications, and an individual's project portfolio.

Essential abilities for highway engineers encompass:

• Mastery in software like AutoCAD, Civil 3D, 12D and Bentley MicroStation.
• A profound grasp of civil engineering principles and infrastructure development.
• Acquaintance with Australian civil engineering norms and codes.
• Effective communication and project management competencies.
• Teamwork skills and receptivity to constructive critiques.
• An aptitude for inventive solutions and intricate problem-solving.

For highway engineers, the sky's the limit in terms of career progression. One might specialise in specific highway engineering aspects, spearhead project contingents, or move up the managerial ladder within an engineering establishment.

Alternatively, diving into consulting, creating a distinct consultancy brand, or switching to stakeholder management are potential routes. With ample experience, affiliations with Australian Civil Engineering Institutions or obtaining niche certifications can substantially boost one's career outlook.