Demo

Lead Computer Numerical Control Machinist

Senior Aerospace, Jet Products
San Diego, CA Full Time
POSTED ON 11/25/2025
AVAILABLE BEFORE 12/24/2025

Lead CNC Machinist – Jet Products


Who is Senior plc?

Senior plc is an international, market-leading, engineering solutions provider with 26 operating businesses in 12 countries. Senior designs, manufactures and markets high-technology components and systems for the principal original equipment producers in the worldwide aerospace, defense, and land vehicle and power & energy markets. The Group is split into two divisions, Aerospace and Flexonics, servicing five key sectors.

Our global values underpin what we do, and how we do it …


Safety – Integrity – Customer Focus – Respect & Trust – Accountability – Excellence


Who is Senior Operations SoCal?

We are a technology-driven, team-oriented company that takes pride in the relationships we build with our customers, suppliers and with each other. We offer exciting career opportunities in a fast-paced, dynamic team environment and reward employees who are motivated, innovative, and results-oriented. We are looking for dedicated individuals to join us in engineering solutions for our customers.


We are currently seeking a full-time Lead CNC Machinist for the 1st shift (6:30am – 3:00pm) Monday – Friday at our Jet Products Facility located in Kearny Mesa.


What Does the Job Involve?

The lead reports directly to the department supervisor and receives from the supervisor on daily tasks and/or is responsible seeing through longer term projects. The Lead maintains SQIDPP boards and metrics, and acts as a general inter-departmental liaison. The Lead will act as a backup for the Supervisor. The Lead will maintain Minimum 50 percent utilization on direct labor hours and occasional overtime to achieve customer delivery requirements.


What will my responsibilities include?

  • Sets-up and operates conventional and/or up to 5 axis CNC machines. Able to review printed work order and complete manufacturing process with little to no supervision.
  • Determines specifications or procedures for tooling requirements, set up procedures, machine operation, work-piece dimensions or numerical control sequences using blueprints, instructions and machine knowledge.
  • Assists in training and mentoring employees needing assistance when necessary. Explains and demonstrates procedures and techniques to employees.
  • Ensures work in progress is completed in conformance to specifications. May measure dimensions of finished material using precision measuring instruments, templates or fixtures.
  • Assists with production issues as they arise.
  • Ensures needed documentation is available for set up to be completed correctly and in a timely manner. Ensures the set up flows with production.
  • Monitors and maintains machines during use in order to diagnose machine malfunctions, need for adjustments or repairs. May perform routine machine maintenance.
  • Assists in problem solving issues related to machine setting, tooling and/or specifications.
  • Assists with ensuring designated daily/weekly/monthly outputs are met.
  • Assists in maintaining a safe and efficient work environment.
  • May clean machine, tooling and parts and area surrounding machine in accordance with 5S procedures.
  • May coordinate and communicate production status between departments/shifts.
  • May communicate special needs or tooling exceptions to applicable departments/persons.
  • Assists with and updates visual presentations and performance measurements.
  • Demonstrates ability to appear for work on time, follows directions from a supervisor, interacts well with co-workers, understands and follows work rules and procedures, complies with corporate policies, goals and objectives, accepts constructive feedback and exhibits initiative and commitment.
  • Participates in Daily Management board meetings and willing to discuss Safety, Quality, Delivery, Efficiency and Utilization.
  • Organizes, leads, and participates in Continuous Improvement activities as needed.
  • Supports and guides efforts to continuously improve company performance related to “lean” manufacturing techniques, quality system, cost and delivery requirements.


What Key Skills and Experience Do I Need?

  • Ability to read basic blueprints, drawings, or templates; including dimensional, true position, and circularity call outs.
  • Shop mathematics, GD&T (Geometric Dimensioning & Tolerancing), and Feeds & Speed calculations.
  • Use of desktop publishing software.
  • Ability to use computerized spreadsheets to conduct analysis.
  • Familiarity with Microsoft Office Suite.
  • Knowledge of machines, controllers, and tools (Fanuc or Mazak 1850/1060.)
  • Ability to control operations of equipment and watch gauges, dials, or other indicators to ensure machine is working properly.
  • Ability to set up fixtures properly including clamping, centering, and indicating of fixture.
  • Ability to set up cutting tools and change out inserts for cutting operation.
  • Ability to use and understand measuring devices including calipers, micrometers, and bar gauges.
  • High school diploma/GED preferred or equivalent combination of education and experience. Vocational training a plus.
  • 5 years of previous CNC machine set up and operation experience or equivalent experience.
  • 4 years of experience in the aerospace manufacturing process preferred.
  • Previous experience in a Leadman role preferred.


What Qualifications Should I Have?

Education:

  • High school diploma/GED preferred or equivalent combination of education and experience. Vocational training a plus.

Experience:

  • 5 years of previous CNC machine set up and operation experience or equivalent experience.
  • 4 years of experience in the aerospace manufacturing process preferred.
  • Previous experience in a Leadman role preferred.


Why Join Senior Aerospace SoCal?

Joining Senior means not only a rewarding career with a tight-knit and collaborative team, but you will also enjoy a competitive compensation package that includes a market-led base salary, and a comprehensive benefits package along with wellness benefits, employee recognition program, matching 401k plan, paid vacation, employee wellness activities, tuition reimbursement, and community involvement initiatives.


If offer of employment is made it will be contingent upon passing all of the following: Drug Test, Background Check, ITAR and U.S. Export Compliance Screening.


Equal Opportunity Employer: minority/female/disability/veteran

Access to our facility (and, therefore, employment) is restricted under the International Traffic in Arms Regulations (ITAR) and/or Export Administration Regulations (EAR) to U.S. Citizens, lawful permanent residents, U.S. refugees, asylees or temporary residents under amnesty provisions [as defined in 8 USC 1324b(a)(3)] and properly licensed foreign persons. Applicants receiving a conditional offer of employment will be required to provide information to determine whether they are subject to these regulations and, if so, to assess their country of chargeability for trade compliance control purposes. Additionally, potential employee’s names will be screened against the Consolidated Screening List (maintained by the United States government) to determine eligibility to receive technical data.

Salary : $34 - $40

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