Education Required Earning Potential $0 Skill-Based Career Progression Lattice Tier One Average Earning Potential The median salary for a job in this career lattice tier. Tier Two Average Earning Potential The median salary for a job in this career lattice tier. Tier Three Average Earning Potential The median salary for a job in this career lattice tier. Tier Four Average Earning Potential The median salary for a job in this career lattice tier.