Process Engineer

Cornerstone Building Brands is a leading manufacturer of exterior building products for residential and low‑rise non‑residential buildings in North America. Headquartered in Cary, N.C., we serve residential and commercial customers across the new construction and Repair & Remodel (R&R) markets. Our market‑leading portfolio of products spans vinyl windows, vinyl siding, stone veneer, metal roofing, metal wall systems and metal accessories. Cornerstone Building Brands’ broad, multi‑channel distribution platform and expansive national footprint includes more than 18,800 team members at manufacturing, distribution and office locations throughout North America.

Corporate stewardship and Environmental, Social and Governance (ESG) responsibility are embedded in our culture. We are committed to contributing positively to the communities where we live, work and play. For more information, visit us at

The Process Engineer / Industrial Engineer provides the analytical and engineering capability required to improve labor utilization, work balance, capacity, ergonomics, productivity and process/material flow within the Rocky Mount Model Line.

The role will work directly with Operations and pillar teams to identify losses, develop engineered solutions, validate improvements and establish sustainable operating standards.

• Conduct time studies, work-element observations and work measurement
  .
• Establish cycle‑time, labor and capacity baselines.
• Calculate takt time, capacity, labor requirements and production constraints
  .
• Develop current- and future‑state Yamazumi/work-balance analysis
  .
• Identify bottlenecks, workload imbalance and capacity constraints.
• Analyze value-added and non-value-added activity (VAA/NVAA).
• Support development and validation of standard work.
• Analyze operator walking, reaching, handling and motion.
• Identify and implement ergonomic improvements.
• Evaluate layouts and process flow and develop improved future‑state configurations.
• Support Material Flow analysis including routes, replenishment, buffers, material presentation and capacity.
• Apply structured problem‑solving and data analysis to manufacturing losses.
• Support Kaizen and rapid‑improvement activity.
• Establish credible before/after measurements for improvements.
• Partner with Finance to validate productivity, labor, overtime, inventory and other measurable benefits
  .
• Develop reporting and measurement systems that make performance and improvement sustainable.
• Support replication of successful Model Line solutions.

Required

• Bachelor's degree in Engineering, Industrial Engineering, Manufacturing Engineering or related technical discipline,
  or equivalent relevant manufacturing/industrial‑engineering experience
  , depending on Cornerstone HR requirements.
• Manufacturing engineering, industrial engineering, process improvement or related experience.
• Experience with data analysis, work measurement, capacity analysis or process improvement.
• Strong analytical and problem‑solving capability.
• Ability to work effectively on the manufacturing floor with both hourly employees and leadership.

Preferred

• Experience with time study, line balancing, standard work, Yamazumi, takt/capacity analysis, ergonomics or VSM
  .
• Lean/Six Sigma/WCM/TPS or continuous‑improvement experience.
• Advanced Excel/data‑analysis capability.
• Experience supporting Kaizen or productivity improvement.

The US base salary range for this full‑time position is $90,000 - $100,000 + bonus + medical, dental, vision benefits starting day 1 + 401k and PTO. Our salary ranges are determined by role, level, and location. Individual pay is determined by work location and additional factors, including job‑related skills, experience, and relevant…