Job Title: Horizontal Boring Mill Machinist
Job Description
This role focuses on setting up and machining extremely large custom and production components on floor-type horizontal boring mills in a large fabrication environment. You will interpret complex engineering drawings and GD&T requirements, perform precision machining on parts up to 100 tons, and ensure all work meets stringent quality and safety standards. The position requires strong technical expertise, comfort working at heights and with overhead cranes, and a commitment to continuous improvement in machining efficiency and tooling performance.
Responsibilities
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Review complete job packages, including engineering drawings, work orders, job travellers, sketches, and specifications before starting work.
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Set up and machine extremely large components on floor-type horizontal boring mills, including parts up to 100 tons and up to approximately 30 inches in diameter.
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Operate horizontal boring mills from floor level, elevated platforms, or cabins as required to safely access the work area.
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Machine components in accordance with drawings, job travellers, and sketches, ensuring strict adherence to dimensional and geometric requirements.
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Interpret engineering drawings and GD&T requirements to plan and execute machining operations accurately.
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Perform pre-inspection of parts and setups prior to material removal to confirm alignment, workholding, and reference points.
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Modify CNC programs, tool offsets, and cutting parameters as required to achieve specified tolerances and surface finishes.
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Perform a full range of machining operations, including boring, drilling, facing, milling, tapping, and fitting operations as needed.
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Measure and record critical dimensions using precision measuring instruments to verify compliance with specifications.
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Operate overhead cranes to move and position large components, coordinating closely with rigging teams to ensure safe handling.
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Ensure all work complies with ISO standards as well as customer and internal quality requirements.
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Report non-conformances promptly and support root cause analysis and corrective actions to prevent recurrence.
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Maintain accurate part traceability, including recording job numbers, work order numbers, and material identification.
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Identify and communicate opportunities to improve machining efficiency, tooling performance, and overall process reliability.
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Maintain a clean, organized, and safe work area in accordance with housekeeping and 5S principles.
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Follow all safety procedures, including PPE requirements and safe rigging practices, at all times.
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Comply with all applicable health, safety, and environmental standards and regulations, including CCOHS and WHMIS guidelines.
Essential Skills
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Minimum of 5 years of hands-on machining experience, including work on horizontal boring mills or similar large machining equipment.
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Proven experience machining very large components, including handling and machining parts in the 3–5 ton range or larger.
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Demonstrated capability to machine components up to approximately 30 inches in diameter.
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Strong understanding of GD&T principles and the ability to interpret and apply them directly from engineering drawings.
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Advanced blueprint reading skills for complex mechanical and fabricated components.
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Experience machining both custom and production parts with tight tolerances.
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Proficiency in setup and operation of horizontal boring mills, including tooling selection and workholding.
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Ability to modify CNC programs, tool offsets, and cutting parameters at the machine control.
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Experience operating overhead cranes safely to lift, move, and position heavy components.
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Comfort working at heights on platforms or in cabins when required by the job.
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Ability to perform precise fitting, alignment, and verification of large components.
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Familiarity with ISO-quality requirements and internal quality control procedures.
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Strong mechanical aptitude and understanding of machining processes such as boring, drilling, facing, milling, and tapping.
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Commitment to following health, safety, and environmental standards, including CCOHS and WHMIS requirements.
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Ability to accurately measure and record critical dimensions using precision measuring instruments.
Additional Skills & Qualifications
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Experience with Siemens or Fanuc CNC controls is an asset.
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Experience working at heights beyond basic requirements is considered an advantage.
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Working to very tight tolerances, including tolerances around 0.0005 inches, is preferred.
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Additional overhead crane experience beyond basic operation is considered a strong asset.
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Red Seal Machinist certification is nice to have but not mandatory.
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Experience with lathes, vertical mills, and other machining equipment is beneficial.
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Experienced in mechanical fabrication or working within a fabrication shop environment is an asset.
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Familiarity with both custom and production machining workflows and documentation is advantageous.
Why Work Here?
You will join a well-established operation that offers comprehensive benefits and supports long-term stability and growth. The organization provides extended health care, dental care, vision care, life insurance, disability insurance, and an employee assistance program to support overall well-being. An RRSP match program helps you build your financial future, while on-site parking adds everyday convenience. You will work in a setting that values safety, quality, and craftsmanship, and encourages employees to contribute ideas that improve efficiency and performance.
Work Environment
The role is based in a large custom fabrication shop that manufactures parts for construction, nuclear, military, and commercial applications. The facility is well lit and clean, with a loud production environment typical of heavy machining and fabrication operations. You will work primarily on floor-type horizontal boring mills and may also interact with other machining and fabrication equipment. Overhead cranes are used regularly to move large and heavy components, and some work will be performed from elevated platforms or cabins. The standard schedule is a day shift from 7:00 a.m. to 3:30 p.m., with overtime available based on workload and project demands. Appropriate personal protective equipment is required in the shop at all times.
Job Type & Location
This is a Contract position based out of Mississauga, ON.
Pay and Benefits
The pay range for this position is $35.00 - $40.00/hr.
Workplace Type
This is a fully onsite position in Mississauga,ON.
Nous savons qu’il est difficile de trouver du travail, et qu’il est encore plus difficile de trouver un travail enrichissant. Chaque année, Aerotek met en contact plus de 180 000 travailleurs de l’industrie légère et de métiers spécialisés avec plus de 14 000 employeurs, aidant ainsi nos travailleurs à naviguer dans un marché du travail en constante évolution et à trouver des emplois qui correspondent à leurs objectifs, à leurs compétences et à leurs centres d’intérêt. Depuis 1983, nous offrons une variété de possibilités de carrière dans l’industrie nord-américaine, soit des affectations à court terme dans les entreprises du Fortune 500 où vous pouvez développer vos compétences, soit des possibilités à long terme où vous pouvez jouer un rôle important en relevant les défis des entreprises en matière de construction, de fabrication et d’entretien. Notre équipe de plus de 1 500 recruteurs chevronnés, répartis dans plus de 250 bureaux, travaille sans relâche pour permettre à notre main-d’œuvre de s’épanouir. Permettez-nous de nous montrer à la hauteur de vos défis et de mettre à l’épreuve notre philosophie « Notre monde nous tient à cœur » au fur et à mesure que votre carrière évolue.
Aerotek offre un salaire hebdomadaire, des avantages sociaux y compris des soins médicaux, des soins dentaires et des soins de la vue, ainsi qu’un programme d’aide aux employés et un programme de rabais.
La société souscrit au principe d’égalité d’accès à l’emploi et examinera toutes les candidatures sans tenir compte de la race, du sexe, de l’âge, de la couleur, de la religion, de l’origine nationale, du statut de vétéran, de handicap, de l’orientation sexuelle, de l’identité de genre, de l’information génétique ou de toute autre caractéristique protégée par la loi.
Ordonnance sur l’égalité des chances de San Francisco:
Conformément à l’Ordonnance sur l’égalité des chances de San Francisco, pour tous les postes situés dans la ville et le comté de San Francisco, nous examinerons les candidatures des personnes qualifiées ayant un casier judiciaire ou des antécédents criminels.
Utilisation de l’intelligence artificielle (IA):
Nous pouvons utiliser l’intelligence artificielle (IA) pour soutenir certaines étapes de notre processus d’embauche, notamment la recherche, la présélection et l’évaluation des candidatures. L’IA aide à analyser les candidatures et les qualifications, mais les décisions finales sont prises par notre équipe de recrutement. En soumettant votre candidature, vous reconnaissez et acceptez que celle-ci puisse être examinée à l’aide d’outils d’IA.
We know that finding work is hard, and finding meaningful work is harder. Aerotek connects 180,000+ light industrial and skilled trades workers with 14,000+ employers each year, helping our workers navigate an evolving labor market and find jobs that meets their goals, skills and interests. Since 1983, we have provided a variety of career opportunities across North American industry – from short-term assignments at Fortune 500 companies where you can build your skills, to long-term opportunities where you can play a vital role solving for companies’ construction, manufacturing and maintenance challenges. Our 1,500+ experienced recruiters across 250+ offices work relentlessly to put our workforce in a position to thrive. Let us rise to meet your challenges and put our people-are everything spirit to the test as your career continues to grow.
Aerotek offers weekly pay, employee benefits including medical, dental & vision, employee assistance and discount programs.
The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
San Francisco Fair Chance Ordinance:
Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.
Use of Artificial Intelligence (AI):
We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.
