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Machine Operator Nights Jobs in California (NOW HIRING)

Machinist

San Diego, CA · On-site

$71K - $86K/yr

Machinist employees may be required to work extended periods of nights or unusual shifts, for which ... Experience as a Computer Numerical Control Machine Operator or Programmer only is NOT qualifying.

Process Operator

Turlock, CA · On-site

$22.83/hr

Monitor machinery; bring all problems to attention of manager. * Assures equipment and work area is ... Ability to work nights and/or weekends as needed. * Works well with others in a team environment.

Process Operator

Turlock, CA · On-site

$20 - $25.25/hr

Monitor machinery; bring all problems to attention of manager. * Assures equipment and work area is ... Ability to work nights and/or weekends as needed. * Works well with others in a team environment.

Process Operator

Turlock, CA · On-site

$22.83/hr

Monitor machinery; bring all problems to attention of manager. * Assures equipment and work area is ... Ability to work nights and/or weekends as needed. * Works well with others in a team environment.

Machinist

Simi Valley, CA · On-site

$27.50/hr

May require working nights, weekends, variable schedules, and additional hours as necessary. Setting up and operating conventional machining tools like lathes, milling machines, grinders, and other ...

May require working nights, weekends, variable schedules, and additional hours as necessary. Setting up and operating conventional machining tools like lathes, milling machines, grinders, and other ...

Set up and operate control systems for a series of machines requiring interaction of several ... Ability to work overtime including holidays, nights, weekends, or different shifts with advance ...

Set up and operate control systems for a series of machines requiring interaction of several ... Ability to work overtime including holidays, nights, weekends, or different shifts with advance ...

Machinist A

Simi Valley, CA · On-site

$27.50/hr

May require working nights, weekends, variable schedules, and additional hours as necessary. Setting up and operating conventional machining tools like lathes, milling machines, grinders, and other ...

Days 8am to 8pm and Nights - 8pm to 8:00am Job Overview: The Lead Operator will be responsible for the operation of blown film machinery, ensuring the production of high-quality plastic film products.

Machinist A

Simi Valley, CA · On-site

$22 - $27.50/hr

... operating CNC and conventional machining equipment, ensuring parts meet specifications and ... Perform machine setups, adjustments, and routine maintenance to maintain efficient production

... operating CNC and conventional machining equipment, ensuring parts meet specifications and ... Perform machine setups, adjustments, and routine maintenance to maintain efficient production

Some of the processing equipment is operated through a Human Machine Interface (HMI), i.e ... Must be capable of working rotating days, shift work, nights, or overtime. * Must possess basic ...

Days 8am to 8pm and Nights - 8pm to 8:00am Job Overview: The Lead Operator will be responsible for the operation of blown film machinery, ensuring the production of high-quality plastic film products.

Days 8am to 8pm and Nights - 8pm to 8:00am Job Overview: The Lead Operator will be responsible for the operation of blown film machinery, ensuring the production of high-quality plastic film products.

Days 8am to 8pm and Nights - 8pm to 8:00am Job Overview: The Lead Operator will be responsible for the operation of blown film machinery, ensuring the production of high-quality plastic film products.

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Machine Operator Nights information

What is the difference between Machine Operator Nights vs Machine Technician?

AspectMachine Operator NightsMachine Technician
CredentialsHigh school diploma or equivalent, on-the-job trainingTechnical certifications or associate degree often preferred
Work EnvironmentManufacturing or production plant, night shiftsManufacturing facilities, may include maintenance areas
Job FocusOperating machinery, ensuring production runs smoothlyMaintaining, repairing, troubleshooting machinery
Employer & Industry UsageCommon in manufacturing, food processing, and assembly linesFound in similar industries, with added focus on technical repairs

While Machine Operator Nights primarily focus on operating machinery during night shifts, Machine Technicians handle maintenance and repairs. Both roles require knowledge of machinery, but technicians typically have more technical training. The roles often overlap in manufacturing settings, but their core responsibilities differ significantly.

What are the most commonly searched types of Machine Operator jobs in California? The most popular types of Machine Operator jobs in California are:
Machinist

$71K - $86K/yr

Other

Medical, Retirement

Posted 5 days ago


City Of San Diego (California) rating

8.6

Company rating: 8.6 out of 10

Based on 30 frontline employees who took The Breakroom Quiz

139th of 693 rated public administrative organizations


Job description

Salary : $71,822.40 - $86,008.00 Annually
Location : City of San Diego, CA
Job Type: Varies by Position
Job Number: SI-T11198-202607
Business Area: N/A - Multiple Departments
Opening Date: 07/10/2026
Closing Date: 7/20/2026 11:59 PM Pacific
JOB INFORMATION
See NOTES below for future wage increases and/or additional compensation opportunities.
Machinist positions work in a machine shop and/or field environment and set up, operate and maintain lathes, drill presses, grinders, milling machines, boring machines, honing equipment and other machine shop tools to lay out, cut, form and shape parts and tools; read blue prints, schematics and technical manuals; research and order parts; assemble/disassemble, repair, rebuild and manufacture pumps, compressors, valves and similar equipment; and perform other duties as assigned.
NOTES:
  • Employees in job classifications represented by AFSME Local 127 are scheduled to receive the following general wage increases:
    • 3.5% effective 7/1/27
    • 2% effective 7/1/28
    • 2% effective 1/1/29
  • Eligible benefited employees originally hired on or after July 10, 2021, will be automatically enrolled in the San Diego City Employees Retirement System (SDCERS).
  • Machinist employees may be required to work extended periods of nights or unusual shifts, for which they may receive an additional 5% pay.
  • Machinist employees may be required to work in closed, confined spaces and/or high platforms and other hazardous conditions, which may include lifting, carrying, and/or pulling items weighing up to 50 pounds.

MINIMUM REQUIREMENTS
You must meet the following requirements on the date you apply, unless otherwise indicated.
EDUCATION/EXPERIENCE: You must meet ONE of the following options:
  1. Successful completion of a state-accredited four-year Machinist Apprenticeship Training Program.
  2. Four years of full-time experience in ALL phases of work as a journey-level Machinist.

NOTES:
  • Experience as a Computer Numerical Control Machine Operator or Programmer only is NOT qualifying.
  • City of San Diego employees using Out-of-Class Assignment (OCA) experience to qualify must submit written documentation signed by their appointing authority or payroll specialist, detailing the work performed, dates, and total number of qualifying OCA hours. OCA experience without the required documentation will NOT be considered.

LICENSE:A valid California Class C Driver's License may be required at the time of hire.
HIGHLY DESIRABLES:
  • Experience in manually operating lathes and milling machines for parts fabrication and repair, as well as single-point threading.
  • Experience with computer-controlled balancing machines.
  • Experience in disassembly/assembly, repair, and rebuild of pumps, blowers, speed reducers, valves, motors, and related wastewater equipment.

REQUIRED DOCUMENTS (MUST SUBMIT WITH APPLICATION):
  • Proof of apprenticeship completion, if utilized to meet the minimum requirements.
  • For City of San Diego employees, proof of Out-of-Class Assignment (OCA), if utilized to meet the minimum requirements.

Required documents should be attached electronically to your application. If you are unable to attach at the time of application submittal, you must submit them as soon as possible via fax: (619) 533-3337; or to the Employment Information Center: City of San Diego Personnel Department, 1200 Third Avenue - Suite 300, San Diego, CA 92101. Include your name and the title of the position for which you are applying.
SCREENING PROCESS
Please ensure all information is complete and accurate, as the responses you provide on the supplemental questions will be reviewed using an automated evaluation system. If you are successful in this initial screening process, your application will be reviewed for applicable education, experience, and/or training to ensure all minimum requirements have been met. Successful candidates will be placed on a list which will be used to fill position vacancies during the next six months (180 days). For each vacancy, only those candidates with the most appropriate qualifications will be contacted by the hiring department for an interview.
SUPPLEMENTAL INFORMATION
PRE-EMPLOYMENT REQUIREMENTS: Employment offers are conditional pending the results of all screening processes applicable to this position, which may include the following: confirmation of citizenship or legal right to work in the United States; completion of a pre-employment medical review and exam (which may include drug and alcohol testing); reference checks; and fingerprinting. Fingerprints will be submitted to the Federal Bureau of Investigation and the California Department of Justice for a conviction record report. Certain positions may require additional screening processes, including a polygraph examination and/or background investigation. All screening processes must be successfully completed before employment begins. A positive test result for alcohol, cannabis/marijuana, illegal drugs, or inadequately explained prescription drugs, or misrepresentation, falsification, or omission of pertinent facts in any step of the screening or selection process, may be cause for disqualification or termination of employment. Nothing in this job posting constitutes an express or implied contract for employment with the City of San Diego. Candidates must notify the Personnel Department of any change to their name, mailing address, email address, or phone number; otherwise, they may miss employment opportunities.
Rev. 7 - July 10, 2026 (New Recruitment Date)
City employees may be eligible to participate in a benefit program including holidays, vacations, savings and retirement plans, health programs, and other benefits.
Eligible City employees initially hired or assuming office on or after July 10, 2021, with the exception of Police Recruits participating in the City's Police Academy, will participate in the City's Defined Benefit Plan administered by the San Diego City Employees' Retirement System (SDCERS).
Benefits may change due to employer-employee contract negotiations.
or review the
01
I understand that failure to respond to the following questions in the spaces provided may result in the rejection of my application. In addition, I may miss out on employment opportunities. Résumés are NOT reviewed for assessing the minimum requirements.
  • Yes
  • No

02
Are you a current or former City of San Diego government/municipal employee?
  • Current city employee
  • Former city employee
  • Current & former city employee
  • None of the above

03
If you have previously worked or are currently working for the City of San Diego, please enter your PERNR.
04
The minimum age for this job is 18, unless you are 17 and a high school graduate. Do you meet the minimum age requirements for this job?
  • Yes
  • No

05
Have you successfully completed a state-accredited four-year Machinist Apprenticeship Training Program? NOTE: Attach proof of apprenticeship completion to your application.
  • Yes
  • No

06
How many years of full-time experience do you have in ALL phases of work as a journey-level Machinist?
  • None
  • Less than 1 year
  • 1 year to less than 2 years
  • 2 years to less than 3 years
  • 3 years to less than 4 years
  • 4 years to less than 5 years
  • 5 years or more

07
Describe your full-time experience in ALL phases of work as a journey-level Machinist. Specify from which employer the experience was gained, your title, level of responsibility, percent of time spent performing the duties and the total length of your experience. If you do not have any experience in this area, write "None."
08
Describe your full-time experience in the following areas: a. Manually operating lathe and milling machines for parts fabrication and repair including your experience cutting threads (e.g., Internal, External, Left-hand, Right-hand, Acme thread, American standard, Metric standard); b. cutting tapers (e.g., Internal, External, Morse taper); c. types of materials you have used in your experience or training in machinist work (e.g., Steel, Brass, Cast iron, Aluminum, Low carbon steel, Stainless steel, Medium carbon steel, High carbon steel, other). For each area, specify from which employer the experience was gained, your title, level of responsibility, percent of time spent on each area and the total length of your experience.
09
Describe your full-time experience in the disassembly/assembly, repair and rebuild of pumps, blowers, speed reducers, valves and related equipment (include your experience in overhauling pumps, valve compressors, blowers and speed reducers and related equipment). Specify from which employer the experience was gained, your title, level of responsibility, percent of time spent performing the duties and the total length of your experience.
10
Describe your experience and/or training performing complete milling operations using an index head. Specify from which employer the experience was gained, your title, level of responsibility, percent of time spent performing the duties and the total length of your experience.
11
Indicate in which of the following areas you are proficient.
  • Trigonometry
  • Cutting speed formulas
  • Geometric construction
  • Thread formulas
  • None of the above

12
List the most complex fixture or jig you have designed, fabricated and used that you feel demonstrates your journey-level skill and ability as a Machinist. Specify what the fixture or jig is used for and the work processes involved. Specify from which employer the experience was gained, your title, level of responsibility, percent of time spent performing the duties and the total length of your experience.
13
Describe in detail your experience researching and ordering parts and/or materials (indicate resources used such as reading blueprints, schematics, and technical manuals). Specify from which employer the experience was gained, your title, level of responsibility, percent of time spent performing the duties and the total length of your experience.
Required Question

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