Here you’ll find 43 Jobs that start with O that begin with O, organized from “Obstetrician” to “Outreach Worker”. The list spans healthcare, education, public service, skilled trades and creative roles. Use it for career exploration, hiring or curriculum planning.

Jobs that start with O are occupations whose common titles begin with the letter O. Many are in medicine and community work; “Obstetrician” and “Outreach Worker” remain widely recognized examples.

Below you’ll find the table with Job Title, Industry, Required Education, Average Annual Salary (USD), Salary Source (Year).

Job Title: The official occupation name; you can scan titles to find roles that match your skills or interests.

Industry: Shows the common sector where the job appears, helping you target relevant employers and career paths.

Required Education: Standardized education level (High school, Associate, Bachelor, Master, Certification) so you plan training and qualifications.

Average Annual Salary (USD): Typical yearly pay in US dollars; use this to compare roles and set realistic salary expectations.

Salary Source (Year): Cites the authority and year for the salary figure so you can judge its currency and reliability.

Jobs that start with O

Job TitleIndustryTypical EducationAvg Annual Salary (USD; source, year)
ObstetricianHealthcareDoctoralN/A
Occupational TherapistHealthcareMaster86,280 (BLS, 2022)
Occupational Therapy AssistantHealthcareAssociate62,940 (BLS, 2022)
Occupational Therapy AideHealthcareHigh schoolN/A
Occupational Health and Safety SpecialistManufacturing/GovernmentBachelorN/A
Occupational Health and Safety TechnicianManufacturing/GovernmentAssociateN/A
Office ClerkAdministrationHigh schoolN/A
Office ManagerBusinessBachelorN/A
Office AssistantAdministrationHigh schoolN/A
Operating EngineerConstructionHigh schoolN/A
Operations ManagerBusinessBachelor103,650 (BLS, 2022)
Operations Research AnalystScience/ITBachelorN/A
Operations SpecialistFinance/BusinessBachelorN/A
OphthalmologistHealthcareDoctoralN/A
Ophthalmic TechnicianHealthcareCertificationN/A
OptometristHealthcareDoctoralN/A
OpticianHealthcareCertificationN/A
Optical EngineerManufacturing/TechBachelorN/A
Oral SurgeonHealthcareDoctoralN/A
OrnithologistScienceMasterN/A
OrthodontistHealthcareDoctoralN/A
OrthotistHealthcareMasterN/A
Orthotist and ProsthetistHealthcareMasterN/A
Orthopedic TechnicianHealthcareCertificationN/A
Orthopedic SurgeonHealthcareDoctoralN/A
OceanographerScienceMasterN/A
Ocean EngineerEngineeringBachelorN/A
OrderlyHealthcareHigh schoolN/A
Order PickerLogisticsHigh schoolN/A
Outdoor GuideRecreationHigh schoolN/A
Outreach CoordinatorNonprofit/Public HealthBachelorN/A
Outreach WorkerSocial ServicesHigh schoolN/A
OncologistHealthcareDoctoralN/A
Oncology NurseHealthcareBachelorN/A
Operator (Machine Operator)ManufacturingHigh schoolN/A
Operating Room TechnicianHealthcareCertificationN/A
Operations TechnicianIT/ManufacturingAssociateN/A
Organizational Development SpecialistBusinessBachelorN/A
Outpatient CoderHealthcareCertificationN/A
Oral and Maxillofacial SurgeonHealthcareDoctoralN/A
Osteopathic PhysicianHealthcareDoctoralN/A
Optical TechnicianManufacturing/HealthcareCertificationN/A
Order Fulfillment SpecialistLogisticsHigh schoolN/A

Descriptions

Obstetrician
Medical doctor focused on pregnancy, labor, and childbirth, working in hospitals, clinics or private practice; teams with nurses and anesthesiologists.
Occupational Therapist
Helps people recover or adapt to injuries and disabilities through therapeutic activities; employed in hospitals, schools, rehab centers and home health.
Occupational Therapy Assistant
Works under occupational therapists to deliver therapy plans, assist patients with exercises and daily tasks in clinics, schools or long-term care.
Occupational Therapy Aide
Supports occupational therapists by preparing equipment, helping patients with tasks, and handling clerical duties in rehab settings.
Occupational Health and Safety Specialist
Evaluates workplace risks, develops safety programs, and ensures regulatory compliance in industries like manufacturing, construction and government.
Occupational Health and Safety Technician
Assists specialists by collecting data, testing equipment, and monitoring workplace hazards on factory floors or construction sites.
Office Clerk
Performs general clerical tasks—filing, data entry, answering phones—for offices across almost every industry.
Office Manager
Oversees daily administrative operations, coordinates staff and manages supplies in small businesses, departments and professional offices.
Office Assistant
Provides basic administrative support like scheduling, mail handling and customer interaction in business or medical offices.
Operating Engineer
Operates heavy construction machinery (cranes, bulldozers) on building sites, often unionized and trained on-the-job.
Operations Manager
Manages daily business operations, staff and processes to meet objectives across industries like retail, manufacturing and services.
Operations Research Analyst
Uses math and analytics to improve business decision-making, working in finance, logistics, government or consulting.
Operations Specialist
Supports operational workflows—trade processing, client onboarding or logistics—in banks, brokerages and corporate operations teams.
Ophthalmologist
Medical eye doctor who diagnoses and treats eye diseases and performs surgery in hospitals or private practices.
Ophthalmic Technician
Assists ophthalmologists by performing eye exams, testing vision, and preparing patients for procedures in eye clinics.
Optometrist
Provides primary eye care, prescriptions for corrective lenses, and diagnoses eye conditions in retail practices and clinics.
Optician
Fits and dispenses eyeglasses and contact lenses based on prescriptions; works in optical shops, retail and medical settings.
Optical Engineer
Designs lenses, imaging systems and optical devices for industries like cameras, medical instruments and defense.
Oral Surgeon
Dental surgeon specializing in complex tooth extractions, jaw surgery and facial trauma in hospitals and surgical centers.
Ornithologist
Studies birds in research, conservation or academic roles, often working for universities, NGOs or government wildlife agencies.
Orthodontist
Dental specialist who straightens teeth and corrects bites using braces and aligners, usually in private dental practices.
Orthotist
Designs and fits braces and supportive devices (orthoses) to improve patient mobility in clinics and rehab centers.
Orthotist and Prosthetist
Designs, fits and adjusts artificial limbs and braces for patients in hospitals, clinics and specialized labs.
Orthopedic Technician
Supports orthopedic surgeons and therapists by preparing casts, assisting in clinics and helping with equipment.
Orthopedic Surgeon
Surgeon specializing in bones, joints and musculoskeletal injuries; works in hospitals, specialty clinics and trauma centers.
Oceanographer
Studies the ocean’s physical, chemical and biological systems for research institutions, government agencies and environmental groups.
Ocean Engineer
Designs marine structures, vessels and offshore systems for shipping, energy and research industries.
Orderly
Helps move patients, maintain rooms and support nursing staff in hospitals and long-term care facilities.
Order Picker
Selects and stages products in warehouses for shipping, using forklifts or handheld scanners in distribution centers.
Outdoor Guide
Leads outdoor activities—hiking, rafting, hunting—providing safety, instruction and interpretation for tour operators or parks.
Outreach Coordinator
Plans and runs community programs, builds partnerships and promotes services for nonprofits, schools or health agencies.
Outreach Worker
Engages with communities to connect people to services, deliver education and support casework in social programs.
Oncologist
Medical specialist treating cancer patients with chemotherapy, radiation coordination and supportive care in hospitals and cancer centers.
Oncology Nurse
Registered nurse specializing in cancer care who administers treatments, educates patients and manages symptoms in clinics and hospitals.
Operator (Machine Operator)
Runs and monitors industrial machines on production lines, ensuring quality and maintaining safety standards.
Operating Room Technician
Prepares operating theaters, sterilizes instruments and assists surgical teams in hospitals and ambulatory centers.
Operations Technician
Maintains operational systems, monitors equipment and troubleshoots issues in manufacturing plants or IT operations centers.
Organizational Development Specialist
Focuses on improving workplace performance through training, change management and culture initiatives in HR teams.
Outpatient Coder
Translates outpatient medical services into billing codes for clinics and hospitals, ensuring accurate reimbursement.
Oral and Maxillofacial Surgeon
Performs surgery on the face, mouth and jaws for trauma, reconstruction and dental implants in surgical centers.
Osteopathic Physician
DO physician providing holistic medical care with additional musculoskeletal training in hospitals, clinics or private practice.
Optical Technician
Manufactures or repairs optical instruments and lenses, often in labs, factories or repair shops.
Order Fulfillment Specialist
Manages picking, packing and shipping customer orders in e-commerce and distribution operations.
If you think there is a missing term, let us know using the contact form.