Service Aide shall receive a one pay step pay supplement. Full-time bargaining unit employees in the Miami-Dade Police Department in the classification of.Are new hires permitted to negotiate their base wage upon offer of employment? Law Enforcement Officer and Law Enforcement Trainee wages are not negotiable. I negotiated up a few bands and I know it requires department head approval. It's been three days. Salary negotiations don't take place during the interviewing process. You don't have a job offer so you really don't have anything to negotiate. Negotiations shall be held in Miami-Dade County, Florida, unless all parties agree to another location. Negotiation Committee.