You're talking about the drone requirement? If so yeah you would need to exhaust all job options available to you first before doing a job that one drone has had before.
To help players with drone job requirement, here is a detail list of careers / jobs with expansion packs for your reference:
1- Acrobat (showtime)
2- Actor (late night)
3- Alchemist (supernatural)
4- Angler (ambitions)
5- Architect (ambitions)
6- Art Appraiser: Acquisition (university)
7- Art Appraiser: Appraisal (university)
8- Astronomer: Astrophysicist (into the future)
9- Astronomer: Space Explorer (into the future)
10- Band (late night)
11- Bot Arena: Merchanic (into the future)
12- Bot Arena: Official (into the future)
13- Bot Builder (into the future)
14- Business (base)
15- Criminal: Evil (base)
16- Criminal: Thief (base)
17- Culinary (base)
18- Daycare (generations)
19- Director (late night)
20- Firefighter (ambitions)
21- Fortune Teller: Mystic (supernatural)
22- Fortune Teller: Scam Artist (supernatural)
23- Gardener (ambitions)
24- Ghost Hunter (ambitions)
25- Horseman (pets)
26- Inventor (ambitions)
27- Journalism (base)
28- Law Enforcement: Forensics (base)
29- Law Enforcement: Special Agent (base)
30- Lifeguard (island paradise)
31- Magician (showtime)
32- Medical (base)
33- Military (base)
34- Music: Rock Star (base)
35- Music: Symphonic (base)
36- Nectar Maker (ambitions)
37- Painter (ambitions)
38- Photographer (ambitions)
39- Political (base)
40- Private Investigator (ambitions)
41- Professional Sports (base)
42- Science (base)
43- Scuba Diver (island paradise)
44- Sculptor (ambitions)
45- Singer (showtime)
46- Sports Agent (university)
47- Stylist (ambitions)
48- Teacher (ambitions)
49- Video Game Developer (university)
50- Writer (ambitions)