Lead Post Sales Engineer - CNC Machining
Confirmed on the employer's own hiring board on Oct 27, 2026. First seen by Alion on Oct 22, 2026. Fathom Manufacturing scores B on the Alion truth index.
Company History:
Fathom is a premier U.S. contract manufacturer with a legacy of manufacturing innovation dating back more than 50 years. Across seven locations and a global sourcing network, we offer 25+ advanced technologies spanning additive manufacturing, CNC machining, sheet metal fabrication, injection molding and more. We serve leading companies across aerospace and defense, medical, robotics, automotive, semiconductor, and data center and energy markets, delivering highly complex parts from concept through production. Our expert-driven approach, white-glove service, and extensive certifications help our customers scale with confidence.
Lead Manufacturing Engineer
The Opportunity
Fathom Manufacturing is seeking a hands-on technical and people leader to turn awarded aerospace and defense programs into production-ready manufacturing processes. You will lead Manufacturing Engineers and partner across Operations, Quality, CNC Programming, Toolmaking, Program Management, and Pre-Sales Engineering.
What You Will Do
- Lead, coach, and develop Manufacturing Engineers while setting clear priorities and accountability.
- Own manufacturing engineering execution for new programs, including technical handoff, process development, readiness reviews, first-piece builds, and production ramp-up.
- Develop and validate CNC manufacturing processes, including routings, machining methods, tooling, workholding, setups, inspection checkpoints, and controlled documentation.
- Partner with CNC Programming and Operations to prove out programs, improve process stability, and establish repeatable setup and cycle-time expectations.
- Define tooling, fixture, gauge, equipment, and capital requirements; support implementation and confirm expected results.
- Lead manufacturability improvements, engineering change execution, and structured problem-solving for quality and production issues.
- Improve quality, throughput, setup time, cycle time, tool life, material utilization, and manufacturing cost performance.
- Compare actual performance with quoted assumptions and apply production data and lessons learned to future programs.
What You Bring
- Bachelor's degree in manufacturing engineering, mechanical engineering, or a related field, or equivalent precision-manufacturing experience.
- Experience supporting aerospace and defense manufacturing, new program introduction, production readiness, and controlled documentation.
- Deep hands-on CNC manufacturing knowledge, including machining methods, materials, GD&T, process planning, tooling, workholding, and inspection.
- Experience developing manufacturing processes, solving complex production issues, and improving quality, throughput, and cost.
- Working proficiency with CAD/CAM, CNC programming concepts, process documentation, and manufacturing data analysis.
- Proven success leading engineers, managing competing priorities, and driving technical execution and accountability.
- Strong operational and financial judgment, including cycle-time analysis, manufacturing cost evaluation, capital support, and quote-to-actual review.
- Ability to travel
Join Fathom Manufacturing
Bring your CNC expertise, leadership capability, and continuous-improvement mindset to a role where you can shape how complex aerospace and defense programs move from award to sustained production.
What we offer:
Health Benefits: Medical, dental, and vision coverage. Life insurance, short-term and long-term disability insurance.
Additional Benefits: Paid time off, Floating Holidays, Volunteer time off, and sick time off (depending on state of employment). 401k Plan
Employee Perks: Discounts on products and services.
Equal Opportunity Employer/Veterans/Disabled
This employer participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S. If E-Verify cannot confirm that you are authorized to work, this employer is required to give you written instructions and an opportunity to contact Department of Homeland Security (DHS) or Social Security Administration (SSA) so you can begin to resolve the issue before the employer can take any action against you, including terminating your employment. Employers can only use E-Verify once you have accepted a job offer and completed the Form I-9.