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Senior Machine Operator Jobs (NOW HIRING)

The Technical Operator operates and monitors production equipment, performs routine equipment care, supports standardized work, and helps maintain safe, efficient, and compliant manufacturing ...

Senior Machine Operator

Hazelwood, MO · On-site

$16 - $19/hr

The Technical Operator operates and monitors production equipment, performs routine equipment care, supports standardized work, and helps maintain safe, efficient, and compliant manufacturing ...

Sr. Machine Operator

Baltimore, MD · On-site

$19.25 - $26.25/hr

A machine operator must have excellent attention to detail and possess a working knowledge of tool set-up and CNC controls. This position requires continuity between all shifts, support staff and ...

Hillcrest -Senior Machine Operator

Simpsonville, SC · On-site

$15 - $18/hr

Lock out the machine when completing DTM, cleans, or other activities that require the machine to be powered off. * The needleline operator sets up the control panel. * Complete all required steps of ...

Showing results 41-60

Senior Machine Operator information

See salary details

$25K

$80.3K

$163.5K

How much do senior machine operator jobs pay per year?

As of Sep 10, 2026, the average yearly pay for senior machine operator in the United States is $80,287.00, according to ZipRecruiter salary data. Most workers in this role earn between $41,500.00 and $103,000.00 per year, depending on experience, location, and employer.

What is a senior machine operator?

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 are the key skills and qualifications needed to thrive as a senior machine operator?

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 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.

More about Senior Machine Operator jobs

What cities are hiring for Senior Machine Operator jobs?

Cities with the most Senior Machine Operator job openings:

What are the most commonly searched types of Machine Operator jobs?

The most popular types of Machine Operator jobs are:

What states have the most Senior Machine Operator jobs?

States with the most job openings for Senior Machine Operator jobs include:

What are popular job titles related to Senior Machine Operator jobs?

For Senior Machine Operator jobs, the most frequently searched job titles are:

Infographic showing various Senior Machine Operator job openings in the United States as of September 2026, with employment types broken down into 40% Full Time, 58% Part Time, 1% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $80,287 per year, or $38.6 per hour.

Sr. Machine Operator

Baltimore, MD • On-site

$25/hr

Full-time

Medical, Retirement, PTO

This job post has expired 1 day ago. Applications are no longer accepted.


Job description


Position Title: Sr. Machine Operator
Location: Baltimore, MD, US, 21220
Company Name: STENA
Description:

Who YOU are and what YOU can become:

A machine operator must have excellent attention to detail and possess a working knowledge of tool set-up and CNC controls. This position requires continuity between all shifts, support staff and supervisor. This role must be able to document machine and tool conditions with clear communication. In addition, this position is responsible for setting up, operating and overseeing our computer numerical controlled (CNC) machines. Ability to adhere to safety procedures and regulations while driving to meet quality requirements.

Who WE are and where WE are going:

At MRA Systems, our employees have amazing opportunities to work on advanced technologies and systems that support thousands of customers and millions of people worldwide every day. From the first flight across the Pacific Ocean to developing highly complex structures for the most popular aircraft in the world, we have come a long way always with a can-do approach to problem solving while delighting customers with our high say-do ratio. We are looking for people with innovative ideas and the drive to help us grow into the future.

A pioneer in the production and assembly of complex aerostructures including aircraft and rocket components, engine nacelle systems, thrust reversers and advanced composite products, we apply the latest digital technologies and automation in composite design and manufacturing that are second to none. At ST Engineering MRAS, we are also rapidly augmenting our maintenance, repair and overhaul (MRO) capabilities leveraging the company’s expanded aircraft nacelle portfolio as well as it’s materials and processing expertise.

What YOU will do:

This role works from MFG process plans, manuscripts, NC set up documents, tool orders, drawings, sketches, holding fixture location diagrams and similar information. Reads and evaluates information to ensure that latest revisions have been incorporated. Ability to access files from a windows-based computer to obtain correct working instructions. Reads the NC set up documents and loads the required Fixtures, cutting tools and Cutting tool holders in order to process the job being set up on the machine.

Sets up machine, loads and presets cutting tools to the proper torque values. Assures that the machine is functioning up to standards shown during initial training. Prior to loading Fixtures or parts, operator will conduct visuals and take necessary steps to safely clean the critical interface areas. This role must be able to follow direction for setting machine local coordinate systems on the current fixture. Assures machine has the correct fixture offset, tooling and NC programs before safely proceeding with the defined process. Checks initial work piece for conformance to dimensions and specifications before proceeding with multiple production parts. Makes subsequent runs to complete the job, periodically checking parts for conformance to dimensions and specifications. Provide feedback to next shift, support staff, and supervision as it relates to machine condition, process status, tool life for perishable tooling, and fixture condition.

A Machinist P1 is also responsible for documenting actions by completing production and quality logs. Clear communication is a must in that the Operator must be able to interpret XYZ axis movements and safely jog a machine utilizing the pendant or control while avoiding collisions with fixtures and parts. This role, machinist, one must be able to understand the basics of G and M codes. Maintains equipment by monitoring preventive maintenance requirements; following manufacturer’s instructions; troubleshooting malfunctions; Alerting team when repairs may be needed. Maintains assigned work area in a clean, safe and orderly condition. Utilizes boom crane, and/or variety of hand operated battery powered skid lifts: forklifts tow motors, hand trucks, dollies, “A” frames, etc. Must be able to set and operate, including, but not limited to: Large 5 axis Gantry Milling machines, multi-axis – multi spindle drilling machines. Tool Pre-set machines for run-out, length and diameter. Perform all work on machines with help of hoist and cranes as required. Ability to safely walk onto machine tables to secure parts and fixtures.

What YOU must bring to Succeed:

• HS Diploma / GED equivalent

• Minimum of 3-4 years of relevant experience and or a trade school certificate with 2 year in a CNC Machine Operator Role.

• Requires a working knowledge of methods and techniques used in machine operations and in setting up and operating NC machines.

• Requires a working understanding and introductory use of the following elements of Machine Shop:

o Machine shop math for setting fixture offsets and calculating tolerances

o Ability to read sketches, drawings and specifications

o Familiar with precision measuring instruments such as Calipers height gauge; vernier calipers, inside, outside and depth micrometers; dial indicator, etc.

Additional Preferred Qualifications:

• Able to physically be mobile to walk, stand and function on machine tables and stairs on a consistent basis.

• Effectively utilize communication tools such as email, radio, or company messenger to communicate issues, concerns, or any other information needed to complete any and all jobs.

• Ability to physically work in shop working conditions, such as exposure to dirt, fumes, excessive cold, excessive heat, and noise.

• Ability to obtain and maintain Crane/Hoist Certification.

• Knowledge of multi axis machine movement

• Ability to run manual milling and turning equipment

• Understanding of tolerances and GD&T dimensions.

• Train and guide less experienced employees on operation of CNC controllers, Manufacturing process and machine(s)

At ST Engineering MRAS, we offer great rewards, competitive pay, career advancement and growth opportunities.

Salary for this role: $25.00 per hour. ST Engineering considers several factors with extending job offers, including but not limited to candidates’ key skills, relevant work experience, education/training/certification, job level, and work location. Base salary is only one component of our competitive Total Rewards package.

ST Engineering MRAS offers these incentives for hourly roles:

• Competitive Healthcare Benefits Package

• 401k Savings Plan

• Annual Pay Increases and COLA pay

• Shift Differential Pay for off shift schedules

• Overtime Opportunities

• Paid-Time Off/Vacation

• Educational Assistance Reimbursement

• Health & Safety Personal Protective Program

• Free Onsite Gym with weekly fitness classes

• On-the-Job Training

Employment Notice: Background and Drug Screening Requirements

As part of our commitment to maintaining a safe and secure workplace, successful completion of a background check and drug screening is a mandatory condition for employment. All offers of employment are contingent upon satisfactory results from these screenings.

It takes diverse talent to solve real-world problems. ST Engineering is deeply committed to building a workplace community where inclusion is valued, and everyone feels welcomed. We’re proud to consider all qualified applicants for employment without regard to race, color, religion, sex, pregnancy, family status, marital status, sexual orientation, national origin, disability, age, or veteran status, or any other legally protected grounds. So, bring us your personal experience, your perspectives, and your background. It’s through our differences that innovative changes are made.


ST Engineering is committed to providing reasonable accommodations to qualified individuals with disabilities in the employment application process. To request an accommodation, please contact our Talent Strategies team at 571-771-0101, or by email at stena.careers@stengg.us.

PM19


Nearest Major Market: Baltimore


Compensation details: 25-25 Hourly Wage


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