Sr. Machine Operator

Middle-River-Aerostructure-Systems; Baltimore (MD); On-site; USD 28,000 - 40,000; Full time

Benefits offered by this job

Healthcare benefits

Annual raises

Shift differential

Educational assistance

Onsite gym

Job summary

ST Engineering MRAS in Baltimore is seeking a CNC Machinist Operator to set up, load, and run NC machines across multiple axes. You will validate fixtures and tools, verify dimensions, and document machine progress while maintaining a safe, clean work area.

The role requires 3–4 years of CNC experience or a trade certificate, with strong math, drawings interpretation, and precision measurement skills. Competitive hourly pay and benefits offered.

Qualifications

• 3–4 years CNC operator experience or a trade school certificate.
• Knowledge of NC setup and operation.
• Ability to read sketches, drawings and specifications.
• Proficiency with precision measuring tools.

Responsibilities

• Set up machines, load and preset cutting tools to torque values.
• Load fixtures, verify offsets, and ensure program correctness.
• Record actions and maintain logs; communicate tool status.
• Operate large 5-axis/multi-axis machines safely and efficiently.
• Monitor quality and dimensions across production runs.

Skills

CNC operation

Blueprint reading

GD&T tolerancing

Machining math

Quality checks

Education

Trade school certificate (CNC)

Tools

G & M codes

Calipers

Height gauge

Dial indicators

Job description

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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:

• 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:
  • Machine shop math for setting fixture offsets and calculating tolerances
  • Ability to read sketches, drawings and specifications
  • 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 offergreat rewards,competitive pay,career advancementandgrowth 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
• Annual Pay Increases and COLA pay
• Shift Differential Pay for off shift schedules
• Educational Assistance Reimbursement
• Health & Safety Personal Protective Program
• Free Onsite Gym with weekly fitness classes

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 [e-mail] .