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Salary
≈ $92k – $171k per year (Estimated)
Location
In office (Cold Spring)
Seniority
Senior · 5+ years exp

Confirmed on the employer's own hiring board on Oct 21, 2026. First seen by Alion on Oct 16, 2026.

Overview
Company
Impact
Profile match
Darling Ingredients is a publicly traded company headquartered in Irving, Texas, that collects and recycles animal by-products, used cooking oil and bakery residuals into feed ingredients, fertilizers, collagen and gelatin, and renewable fuels. Founded in 1882 as a small Chicago rendering company, it operates more than 260 facilities worldwide under brands such as DAR PRO, Rousselot, Sonac, Rendac and EnviroFlight, and co-owns the Diamond Green Diesel renewable diesel venture. Its job board lists route and semi drivers, production and boiler operators, mechanics and electricians, plant supervisors and maintenance managers, plus accounting and audit staff.

This position is responsible for concept, design, and capital budget for projects across all plants in the company. This requires close collaboration with management, operations, controls, CAD, and construction teams. Projects will be followed through from planning to execution.

Essential Duties/Responsibilities

Nothing in this job description restricts management’s right to assign or reassign duties and responsibilities to this job at any time.

  • Drives projects independently from initial concept through to the installation phase, executing handoffs to internal construction teams.

  • Size, select, and specify critical process equipment including rendering machinery, pumps, fans, conveyors, air scrubbing equipment, heat exchangers, and steam boilers.

  • Generates comprehensive project scope documents and highly accurate cost estimates for capital expenditure submissions.

  • Oversees plant layouts and generate essential engineering documents, including P&IDs, PFDs, heat and mass balances, and detailed equipment, motor, and instrumentation lists.

  • Directs and guide the CAD design team. Build highly productive, collaborative relationships with internal controls and construction teams, as well as external contractors and vendors.

  • Engineers technical solutions to overcome process and installation obstacles, whether adapting a standard chemical scrubber or designing a completely novel plant workflow.

  • This job will not have direct supervisory responsibilities, but will work closely with corporate management and division management when performing duties.

  • Other duties as assigned

Minimum Qualifications

  • Bachelor of science degree from an accredited college - mechanical engineering strongly preferred.

  • 5+ years of experience in an engineering role involving equipment, buildings, machinery, process piping, cooling systems, combustion systems, pneumatics, power distribution, PLCs, drives, and other systems in a heavy manufacturing environment, rendering, or food industry experience preferred

  • High proficiency in CAD software, preferably AutoCAD and Inventor.

  • Strong work ethic and high degree of initiative.
  • Highly organized with superior time management.

  • Exceptional written and oral communication skills to bridge the gap between engineering, construction, and management

  • Above average computer skills in a networked environment with knowledge of MS Office products

Preferred Qualifications

  • Experience in change management and in working across functional lines and organizations is ideal

  • Background in concrete foundations and structural steel a plus

Working Conditions and Physical Demands

  • Position is based in an office environment
  • Frequently travels to off-site locations is required.
  • Requires prolonged sitting and movement throughout office/work locations, as well as occasional use of computers and office equipment.
  • Must occasionally stoop, kneel, crouch, crawl, and climb or balance.
  • Must be able to communicate effectively and identify potential workplace hazards.
  • Requires the ability to occasionally lift and/or move up to 25lbs.
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