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Senior Machine Operator Jobs in Riverside, CA (NOW HIRING)

Senior Accountant

Santa Ana, CA · On-site

$76.90K - $96.60K/yr

Nikkiso ACD is an engineering and manufacturing company specializing in machinery designed to ... increase operating performance * Provide insights and recommendations on cash flow, cost ...

Senior Accountant

Santa Ana, CA · On-site

$76.90K - $96.60K/yr

Nikkiso ACD is an engineering and manufacturing company specializing in machinery designed to ... increase operating performance * Provide insights and recommendations on cash flow, cost ...

Senior Software Engineer, MLOps

Irvine, CA · On-site +1

$131.50K - $173.40K/yr

You will work closely with machine learning engineers, robotics engineers, and infrastructure teams ... Experience deploying and operating ML systems for robotics or real-world physical systems.

Senior Software Engineer, MLOps

Irvine, CA · On-site

$131.50K - $173.40K/yr

You will work closely with machine learning engineers, robotics engineers, and infrastructure teams ... Experience deploying and operating ML systems for robotics or real-world physical systems.

Senior Software Engineer, MLOps

Irvine, CA · On-site +1

$131.50K - $173.40K/yr

You will work closely with machine learning engineers, robotics engineers, and infrastructure teams ... Experience deploying and operating ML systems for robotics or real-world physical systems.

Maintenance Assistance

Orange, CA · On-site

$19 - $21/hr

... machines, etc. HVAC, including but not limited to general principles of HVAC and heat pump ... senior living communities located throughout the US. Each of these businesses is operated by a ...

Maintenance Assistance

Orange, CA · On-site

$19 - $21/hr

... machines, etc. HVAC, including but not limited to general principles of HVAC and heat pump ... senior living communities located throughout the US. Each of these businesses is operated by a ...

Maintenance Assistance

Orange, CA · On-site

$19 - $21/hr

... machines, etc. HVAC, including but not limited to general principles of HVAC and heat pump ... senior living communities located throughout the US. Each of these businesses is operated by a ...

Senior Accountant

Santa Ana, CA · On-site

$76.90K - $96.60K/yr

... increase operating performance * Provide insights and recommendations on cash flow, cost ... machines. Physical Demands The physical demands described here are representative of those that ...

New

Senior Accountant

Santa Ana, CA · On-site

$76.90K - $96.60K/yr

... increase operating performance * Provide insights and recommendations on cash flow, cost ... machines. Physical Demands The physical demands described here are representative of those that ...

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Senior Machine Operator information

See Riverside, CA salary details

$26.1K

$83.8K

$170.6K

How much do senior machine operator jobs pay per year?

As of May 29, 2026, the average yearly pay for senior machine operator in Riverside, CA is $83,761.00, according to ZipRecruiter salary data. Most workers in this role earn between $43,300.00 and $107,500.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Machine Operator, and why are they important?

To thrive as a Senior Machine Operator, you need advanced mechanical aptitude, experience with manufacturing equipment, and often a high school diploma or equivalent with additional technical training. Familiarity with CNC machines, PLC systems, and safety certifications like OSHA are commonly required. Strong attention to detail, problem-solving abilities, and effective teamwork are crucial soft skills for this role. These competencies ensure efficient production, minimize errors, and maintain a safe and productive work environment.

What opportunities for career advancement are available to Senior Machine Operators within manufacturing organizations?

Senior Machine Operators often have several pathways for career growth, including moving into supervisory or team lead roles, such as Production Supervisor or Shift Manager. Many organizations value the technical expertise and leadership skills developed in this position, making it possible to transition into roles that focus on process improvement, quality assurance, or training new operators. Additionally, pursuing certifications in advanced manufacturing technologies or equipment maintenance can open doors to specialized roles, such as Maintenance Technician or Process Engineer. Demonstrating initiative and strong problem-solving abilities can further increase advancement prospects within the company.

What are Senior Machine Operators?

Senior Machine Operators are experienced professionals responsible for operating, maintaining, and troubleshooting industrial machinery in manufacturing or production settings. They oversee machine performance, ensure safety standards are met, and may supervise junior operators. Their role often includes setting up machines, performing quality checks, and making adjustments to optimize efficiency and product quality. Senior Machine Operators typically have several years of hands-on experience and a strong understanding of mechanical systems.

What is the difference between Senior Machine Operator vs Machine Operator?

AspectSenior Machine OperatorMachine Operator
CredentialsTypically requires more experience and sometimes certifications in specific machineryBasic machine operation certifications or training
Work EnvironmentOversees complex machinery, may supervise othersOperates machinery under supervision or standard procedures
ResponsibilitiesMaintains, troubleshoots, and optimizes equipment; mentors junior staffPerforms routine machine operation tasks

The main difference between a Senior Machine Operator and a Machine Operator lies in experience, responsibilities, and leadership. Senior Machine Operators handle more complex tasks, oversee equipment, and often mentor others, whereas Machine Operators focus on routine operation. Both roles require relevant certifications, but the senior position demands more expertise and experience.

What are the most commonly searched types of Machine Operator jobs in Riverside, CA? The most popular types of Machine Operator jobs in Riverside, CA are:
What are popular job titles related to Senior Machine Operator jobs in Riverside, CA? For Senior Machine Operator jobs in Riverside, CA, the most frequently searched job titles are:
What cities near Riverside, CA are hiring for Senior Machine Operator jobs? Cities near Riverside, CA with the most Senior Machine Operator job openings:

$76.90K - $96.60K/yr

Full-time

Posted 4 days ago


Job description

Company Overview

Nikkiso Clean Energy & Industrial Gases is a leading provider of cryogenic pumps, heat exchangers, process systems, services, and solutions for the LNG and industrial gases industry. We are a subsidiary of Nikkiso Company Ltd, a leading industrial manufacturer headquartered in Tokyo, Japan, with over $1.5 B in annual revenue, 8000 + employees worldwide, and publicly traded on the Tokyo Stock Exchange.

Nikkiso ACD is an engineering and manufacturing company specializing in machinery designed to operate at cryogenic temperatures as low as - 420 degrees Fahrenheit, the boiling point of Liquid hydrogen. For over 50 years, Nikkiso ACD has specialized in centrifugal and reciprocating pumps as well as turbines for air separation. Nikkiso ACD has the most diversified product line in the industry covering nearly every application requiring pumps or turboexpanders.

Job Overview

The Senior Accountant will be a key member of the finance team, responsible for financial reporting, analysis, budgeting, forecasting, and internal controls. The role requires a strong background in financial and cost accounting, with emphasis on standard costing, as well as experience in percentage-of-completion (POC) revenue recognition. The Senior Accountant will also play a critical role in the preparation and review of financial statements (P&L, Balance Sheet, and Cash Flow), providing accurate and timely information to support decision-making and ensure compliance with accounting standards.

This position is based at Nikkiso ACD, LLC, located in Santa Ana, CA.

Responsibilities
  • Assist the accounting team with financial close process, and monthly reporting and analysis
  • Provide margin analysis across multiple jobs & product lines to assess areas of risk and opportunities
  • Assist with developing efficiencies and standardization of processes/new systems
  • Prepare and analyze actual financial results with appropriate comparison to historical performance and budget
  • Monitor performance indicators, highlighting trends and analyzing causes of unexpected variance
  • Assist in the preparation of month end reporting and other various presentations
  • Assist with budgeting, forecasting, reporting, and analyzing efforts
  • Assist with the development of modeling tools for month-end, forecasts, and budgets
  • Assist with the preparation of periodic cash flows, business activity reports, and financial position forecasts
  • Assist with the development and maintenance of financial models used to analyze and support strategic initiatives
  • Prepare and analyze complex financial and operational data and provide accurate and timely financial recommendations for decision-making purposes
  • Analyze and interpret information to develop actionable recommendations that impact the business
  • Understand knowledge of current internal and external trends and manage data to gain insights to eliminate waste and increase operating performance
  • Provide insights and recommendations on cash flow, cost identification and allocation, and risk management
  • Ensure accuracy and timely completion of all ad-hoc analyses and reports, metrics, and dashboards
  • Perform and oversee financial and cost accounting activities, with a strong focus on standard costing, variance analysis, and inventory accounting.
  • Apply and monitor percentage-of-completion (POC) revenue recognition in line with company policies and accounting standards.
  • Support and review the preparation of financial statements (P&L, Balance Sheet, and Cash Flow) to ensure accuracy, completeness, and compliance.
  • Assist with documenting processes and procedures
Qualifications
  • Familiarity with the use of Enterprise Resource Planning (ERP) systems
  • Intermediate / Advanced Excel competency is required
  • Excellent communication and organization skills
  • Able to maintain a high degree of confidentiality
  • Proactive with the ability to multi-task and learn quickly in a fast-paced environment
  • Delivers quality results with accuracy
  • Goal oriented, high-energy self-starter
  • Build relationships & collaborate across multiple teams.
  • Ability to apply accounting principles to the maintenance of all Accounts and Finance records
  • Ability to make involved and varied arithmetic computations rapidly and accurately
  • Able to tabulate statistical data and compile necessary reports
  • Strong knowledge of financial and cost accounting principles, including standard costing and variance analysis.
  • Solid understanding of revenue recognition standards (ASC 606 or IFRS 15), with hands-on experience in percentage-of-completion (POC) accounting.
  • Proficiency in financial statement preparation and review (P&L, Balance Sheet, and Cash Flow).

Work Environment

This job operates in a professional office environment. This role routinely uses standard office equipment such as computers, phones, photocopiers, filing cabinets and fax machines.

 

Physical Demands

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. While performing the duties of this job, the employee is regularly required to talk or hear. The employee is frequently required to stand; walk; use hands and reach with hands and arms.

 

Environmental Safety Requirements:

  • New Employee Safety Training is required by all newly hired employees, including Safety Awareness
  • All safety related training is provided and tracked by the EHS Director
  • Job specific training modules deemed necessary by employee's Manager or Director will be required of all employees on an ongoing basis

 Other Duties

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice.

Salary: $85,000 - $120,000 plus bonus, depending on experience.

EEOC Statement

Equal Opportunity Employer/Veterans/DisabledNikkiso Clean Energy & Industrial Gases Group companies are proud to be equal opportunity employers. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

Employment Type: FULL_TIME