Chemical Process Engineer

Chemical Process Engineer

Our client, a rapidly growing advanced engineering start‑up, is looking for a Chemical Process Engineer to support the development, manufacturing readiness, and operational integration of advanced energy materials.

Location: Seattle, WA (Relocation support is available)

Schedule: Hybrid position with on‑site presence required at least three times per week (Tues/Wed/Thurs).

• Lead or support process and system design for radio chemical separation, purification, synthesis, and pelletization activities within remotely operated and highly controlled environments.
• Drive experiments, testing plans, and system validation efforts in partnership with multidisciplinary engineering and scientific teams.
• Develop, review, and maintain process documentation including PFDs, P&IDs, heat/mass balances, specifications, requirements, and commissioning plans.
• Support full lifecycle system integration—from concept through commissioning and production.
• Troubleshoot, refine, and sustain chemical processing systems and related equipment.
• Ensure strong engineering rigor around requirements management, interface control, quality standards, and traceability.
• Contribute to facility design/modifications that support chemical fuel processing operations.
• Coordinate with subcontractors and vendors to ensure proper technical execution and alignment to requirements.
• Analyze experimental and reference data and prepare clear, technically sound reports.
• Present technical findings and design updates during internal and external design reviews.
• Communicate effectively within a diverse, cross‑functional engineering organization.

• Bachelor’s degree or higher in Chemical Engineering (or related field) and 7+ years of relevant chemical/process engineering experience.
• Experience designing systems for handling hazardous, corrosive, high‑temperature, high‑pressure, or otherwise complex chemical media.
• Experience with powders, slurries, liquids, and gases in process environments.
• Strong analytical and creative problem‑solving skills.
• Demonstrated experience developing P&IDs, PFDs, heat/energy balances, design specifications, operational sequences, commissioning documentation, etc.
• Experience writing technical specifications and procurement documents.
• Working knowledge of quality frameworks such as NQA‑1, AS9100D, ISO 9001, or similar.
• Ability to lead and coordinate design work streams with limited oversight.
• Comfortable working in fast‑moving, technically uncertain, and highly collaborative environments.
• Excellent written and verbal communication skills.
• Highly desired (not required):
  Experience designing systems for radio chemical handling or remote operations within shielded environments.

Approximately $140,000 to $185,000 annual base salary, depending on experience. All levels are encouraged to apply.

• Equity participation opportunities
• Generous paid time off and flexible work schedules
• 401(k) savings plan with employer contribution
• Up to 16 weeks of paid parental leave
• Employer‑funded Health Savings Account (HSA) contributions
• Comprehensive medical, dental, and vision coverage
• Public transit reimbursement or commuter benefits
• Relocation support
• Collaborative, pet‑friendly workspace

Hansell Tierney is a woman‑owned staffing and recruiting company in the Pacific Northwest. Established in 2001, we partner with candidates and clients to match the best talent with interesting local opportunities, always maintaining discretion, service, and accountability.