Senior Siemens NX CAM Programmer (U.S. Citizenship Required)

Davis Manufacturing; Arvada (CO); On-site; USD 120,000 - 180,000; Full time

Job summary

Davis Manufacturing is seeking a Senior Siemens NX CAM Programmer to develop, optimize, and standardize CNC programs for 3-, 4-, and 5-axis milling on aerospace-grade platforms and high-precision components. The role requires deep NX CAM expertise, strong machining fundamentals, and a data-driven mindset to optimize toolpaths, tooling strategies, and work holding.

You will establish best practices, post-processor management, and continuous improvement across Grob, Kitamura, Okuma, Mazak, and

Qualifications

• 10+ years of CNC programming experience.
• Advanced Siemens NX CAM expertise.
• Proven experience programming 3-, 4-, and 5-axis machining centers.
• Deep understanding of machining tight-tolerance aerospace components.
• Expert understanding of GD&T (ASME Y14.5).
• Extensive experience with high-strength alloys and aluminum.
• Strong knowledge of cutting tools and tool life optimization.
• Experience developing setup documentation and standardized processes.
• Ability to analyze and optimize machining processes using data.
• Workholding and fixturing principles for complex geometries.

Responsibilities

• Develop and optimize CNC programs in Siemens NX CAM for complex components.
• Program 3-, 4-, and full 5-axis milling across multiple platforms.
• Establish programming standards and best practices with toolpath strategies and documentation.
• Create setup documentation with tool lists and work holding requirements.
• Analyze and refine machining processes focusing on stability and cycle time reduction.
• Select and validate cutting tools and fixturing for production.
• Manage NX post-processors across platforms.
• Apply data-driven methodologies to evaluate performance and drive improvements.
• Lead process optimization and cost reduction for part families.
• Collaborate with engineering, machinists, and quality teams to validate processes.
• Develop tool management systems and resident libraries.
• Standardize tooling packages across similar part families.
• Develop NX CAM automation strategies and templates.
• Automate repetitive programming tasks and integrate CAM workflows with digital manufacturing systems.

Skills

CNC programming

Siemens NX CAM

5-axis milling

Multi-axis milling

Post-processing

Toolpath strategies

GD&T

Setup docs

Data-driven decisions

AS9100

Machining fundamentals

Tools

NX CAM software

NX Post-Processors

Post processor tuning

Job description

We are anAS9100-certified contract manufacturerdelivering advanced machining solutions to theaerospace and defense industry. Our core competency lies in producing complex, high-precision components with a strong emphasis onprocess optimization, repeatability, and efficiency. Unlike high-mix environments, we focus on refining and scaling established part families, driving continuous improvement in machining performance and cost.

Position Summary:

TheSenior Siemens NX CAM Programmerwill be responsible for developing, optimizing, and standardizing CNC programs for3-, 4-, and 5-axis milling operationsacross a range of advanced machine platforms, includingGrob, Kitamura, Okuma,andMazak.

This role requires deep expertise inSiemens NX CAM, strong machining fundamentals, and the ability to makedata-driven decisionsrelated to toolpaths, tooling strategies, and work holding. The ideal candidate will play a critical role in advancing programming methodologies, improving process efficiency, and establishing best practices across the organization.

Key Responsibilities:

• Develop and optimizeCNC programs in Siemens NX CAMfor complex components requiring tight tolerances and high surface integrity
• Program3-axis, 4-axis, and full 5-axis simultaneous milling operationsacross multiple machine platforms (Grob, Kitamura, Okuma, Mazak, Haas)
• Establish and maintainprogramming standards and best practices, including toolpath strategies, naming conventions, and documentation structure
• Create comprehensivesetup documentation, including tool lists, setup sheets, work holding requirements, and process notes to ensure repeatability on the shop floor
• Analyze and refine machining processes with a focus onprocess stability, cycle time reduction, and tool life optimization
• Select and validatecutting tools, toolpath strategies, and fixturing/work holding approachesbased on material, geometry, and production requirements
• Manage, optimize, and verifyNX Post-Processorsacross all machine platforms
• Applydata-driven methodologiesto evaluate machining performance and guide continuous improvement efforts

Process Optimization & Continuous Improvement:

• Lead initiatives tooptimize existing part families, focusing on incremental gains in efficiency, consistency, and cost reduction
• Identify opportunities to implementadvanced toolpath strategies(e.g., high-efficiency milling, adaptive clearing, multi-axis finishing techniques)
• Drive adoption ofadvanced NX CAM capabilities, including parametric programming, feature-based machining, and template-driven workflows
• Collaborate with engineering, machinists, and quality teams tovalidate and refine machining processes

Tooling, Libraries, and Systems Development:

• Support the development and implementation of atool management system, including tool tracking, standardization, and lifecycle management
• Define and maintainresident tool librarieswithin NX and shop floor systems to ensure consistency and reduce setup variability
• Standardize tooling packages across similar part families to improve efficiency and reduce cost

Automation & Digital Manufacturing:

• Develop and implementautomation strategies within NX CAM, including templates, reusable operations, and parametric programming approaches
• Demonstrate a track record ofautomating repetitive programming tasksto improve programming efficiency and reduce variability
• Support integration of CAM workflows with broaderdigital manufacturing systems(MRP, tool management, etc.)

Required Qualifications:

• 10+ years of CNC programming experience, with a strong focus on multi-axis milling
• Advanced expertise inSiemens NX CAM, including complex multi-axis toolpath generation and post-processing considerations
• Proven experience programming3-, 4-, and 5-axis machining centers
• Deep understanding of machiningtight-tolerance aerospace components
• Expert understanding of GD&T (ASME Y14.5)and the ability to translate dimensional requirements to a stable and efficient machining process
• Extensive experience machining a range of materials, including:
• High-strength alloys(e.g., alloy steels, tool steels, nickel-based alloys)
• Aluminum alloys(high-speed machining and finishing strategies)
• Strong knowledge ofcutting tools, tool coatings, and tool life optimization strategies
• Experience developingsetup documentation, tool lists, and standardized processes
• Demonstrated ability toanalyze and optimize machining processes using data
• Strong understanding ofworkholding and fixturing principlesfor complex geometries

Preferred Qualifications:

• Experience in anAS9100 aerospace manufacturing environment
• Familiarity withGrob 5-axis platformsand trunnion-style or horizontal 5-axis machining
• Experience withpost processor tuningor close collaboration with post developers
• Knowledge ofhigh-efficiency machining (HEM)and advanced cutting strategies
• Experience withNX CAM automation tools, such as templates, feature-based machining, or custom scripting

Soft Skills:

• Strongownership mentalitywith a proactive, solution-oriented approach
• Highlyanalytical and detail-oriented, with a focus on precision and repeatability
• Excellent technical writing skills
• Effective communicator, able to collaborate across programming, machining, and engineering teams
• Comfortable operating in aprocess-driven, continuous improvement environment
• Ability to balancehands-on programming workwithstrategic process development

Why Join Us:

• Work onhigh-precision aerospace componentsusing advanced multi-axis machining platforms
• Play a key role in shapingprogramming standards and manufacturing strategy
• Be part of a team focused ondeep process optimization, not just high part turnover
• Engage withcomplex technical challengesthat require both creativity and rigor

*(US Citizenship or Permanent Residency Required)