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Chemical Engineer


Job Location:

Waltham, MA - USA

Yearly Salary: USD 135000 - 180000
Posted: 11 November 2026 (2 hours ago)
Application Deadline: 8 February 2027
Vacancies: 1 Vacancy

Job Summary

AT Process Technologies (ATP) is a pioneering manufacturing company focused on the development and deployment of modular energetics production plants. Using breakthrough chemistry and automation that operates continuously and generates little to no waste ATP is expanding energetics production to meet the munitions demands of the US and Allies safely rapidly and cost effectively.

AT Process Technologies (ATP) is a pioneering manufacturing company focused on the development and deployment of modular energetics production plants. Using breakthrough chemistry and automation that operates continuously and generates little to no waste ATP is expanding energetics production to meet the munitions demands of the US and Allies safely rapidly and cost effectively.

Summary

We are seeking a chemical engineer to work on the piloting and scale-up of our energetics manufacturing . This role is at the center end of ATPs scaling plans: you will manage the critical process for detailed designs of our manufacturing facilities. Your task will be to design and execute experiments complete engineering designs and manage projects that de-risk scale up. This position is highly independent hands-on and involves hands-on pilot plant engineering work simulation and design work interfacing with external vendors and contractors and managing our supply chain.

Key Responsibilities:

  • Design and execute critical pilot plant experiments generating reliable actionable data for reaction and unit-operation design and scale-up.

  • Review and produce material and energy balances block flow diagrams P&ID drawing sets for internal cost modeling and external equipment vendors

  • Interface with the mechanical engineering team to manage hardware design requirements for our pilot plant operations

  • Manage aspects of large-scale equipment procurement raw material procurement combining external negotiation with a knowledge of the technical and economic requirements

  • Lead HAZOP analyses with our process design and automation team to define safety SOPs and controls narratives

Required Qualifications

  • B.S. M.S. or PhD in Chemical Engineer Process Engineering Petroleum Engineering or a similar field

  • 5 years of professional experience in chemical engineering from pilot to production scale

  • High proficiency with chemical engineering practices: reaction engineering simulation material and energy balances drafting and reviewing P&IDs experience with chemical plant procurement and construction

  • Basic analytical chemistry experience (NMR HPLC GC-MS FTIR)

  • Strong problem-solving skill

Preferred Qualifications:

  • Experience with continuous-flow manufacturing

  • Prior experience developing with nitration chemistries including hazardous or toxic material handling.

  • Prior experience with hazardous operations and safety reviews

Additional Requirements

  • Ability to lift 50 lbs

  • U.S. Person and ability to obtain a security clearance

  • Ability to work on-site and travel as needed

ITAR Requirements

To conform to U.S. Government export regulations applicant must be a (i) U.S. citizen or national (ii) U.S. lawful permanent resident (aka green card holder) (iii) Refugee under 8 U.S.C. 1157 or (iv) Asylee under 8 U.S.C. 1158 or be eligible to obtain the required authorizations from the U.S. Department of State.

Equal Employment Opportunity

AT Process Technologies is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race color religion sex sexual orientation gender identity national origin disability or protected veteran status

Reasonable Accommodation

If you need a reasonable accommodation during the application or interview process please contact .

E-Verify

AT Process Technologies participates in E-Verify to confirm employment eligibility for all newly hired employees.


Required Experience:

IC