Raven-Flint
Senior Process Engineer — Rotary Kilns & High-Temperature Reactors
$145K–$185K
Idaho Falls, ID · Senior · Full-time · Posted Oct 29, 2026
- Experience
- 8+ years process engineering, or 6+ with a graduate degree in a related field; direct rotary kiln, calciner, or high-temperature furnace design work required.
- Education
- B.S. in Chemical, Mechanical, or Materials Engineering or equivalent; advanced degree welcome.
- Visa sponsorship
- Applicants must be U.S. citizens or lawful permanent residents, or eligible for required authorizations to access export-controlled technology; applicants may be asked to verify U.S.-person status.
About the job
Own the design and lifecycle oversight of a high-temperature rotary reactor system for a uranium conversion plant, from process basis through FEED, HAZOP, and EPC design review.
What you'll do
- Develop reactor design basis, thermal and residence-time models, heat and material balances, PFDs, and P&IDs.
- Specify reactor operating parameters, materials, solids handling, seals, and off-gas scope; support equipment requisitions.
- Lead HAZID/HAZOP participation and provide technical ownership through EPC design reviews, bid evaluations, and MOC.
What they ask for
- B.S. in Chemical, Mechanical, or Materials Engineering or equivalent.
- 8+ years of process engineering, or 6+ with a related graduate degree, including direct rotary kiln, calciner, or high-temperature furnace design work.
- Demonstrated rotary-reactor engineering, including thermal and heat-transfer modeling, residence-time and fill-fraction basis, and scale-up from bench or pilot data.
- Working knowledge of high-temperature refractory, alloy, and seal selection; solids handling; and Process Safety Management.
Nice to have
- Kiln or calciner experience in corrosive or controlled-atmosphere service; vendor-facing scale-up with rotary equipment suppliers.
- Nuclear fuel cycle, uranium processing, or other regulated-material background.
Pay
$145k – $185k / year (base salary)
Tools
PFDs, P&IDs, FEED, HAZOP, HAZID, MOC, PSM
AI focus
Works with an AI documentation pipeline that handles volume documentation work.
Model-written summary · the original posting is authoritative