Top 22 Mechanical engineer Jobs in Rochester, Nh

Mechanical Engineer
AT Process Technologies —Berwick, ME
- $120,000 - $180,000 a year
- Full-time
- 5 years
- Ability to lift 50 pounds
- Programmable logic controllers
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Mechanical Engineer
Laborie Medical Technologies Corp —Portsmouth, NH
- Full-time
- Mid-level
- Analysis skills
- 2 years
- Dental insurance
- Paid time off
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Mechatronic Engineer
Newington Asset Management Company —Portsmouth, NH
- $125,000 - $180,000 a year
- Full-time
- Mid-level
- In-person
- Relocation assistance
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Design Engineer II
Sig Sauer Inc —Exeter, NH
- Bachelor of Science
- Mid-level
- Office
Manufacturing Engineer
Pentair —Dover, NH
- $73,100 - $135,700 a year
- Full-time
- 5 years
- Plumbing
- Senior level
- Employee stock purchase plan
- Disability insurance
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13d
Junior Engineer
CACI —Portsmouth, NH
- $53,100 - $106,300 a year
- Urgently hiring
- Engineering
- Travel
- Electrical Engineering
- Health insurance
Manufacturing Engineer - Aerospace and Defense Industry!
Ceco Concrete Construction, LLC —Exeter, NH
- Full-time
- 5 years
- Bachelor of Science
- Mid-level
- Paid parental leave
- Health insurance
14d
Senior Mechanical Design Engineer
SUBCOM LLC —Newington, NH
- Full-time
- 7 years
- Bachelor of Science
- Analysis skills
- Paid parental leave
- Health savings account
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Mechanical Design Engineer III
Galvion LTD —Portsmouth, NH
- Full-time
- Office
- 8 years
- Assembly
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12d
Sr. Design Engineer
Sig Sauer Inc —Exeter, NH
- 7 years
- Bachelor of Science
- Office
Sr. Manufacturing Engineer, Electromechanical Systems
Sig Sauer Inc —Newington, NH
- Microsoft Word
- 7 years
- Research
Senior Network Element Mechanical Design Engineer
SUBCOM LLC —Newington, NH
- Full-time
- 7 years
- Bachelor of Science
- Assembly
- Paid parental leave
- Health savings account
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MEP Project Engineer/Manager
Haley Ward —Portsmouth, NH
- Full-time
- Criminal background check
- Senior level
- Communication skills
- Health savings account
- Paid holidays
Manufacturing Engineer - Aerospace and Defense Industry!
C/A Design —Exeter, NH
- 5 years
- Bachelor of Science
- Mid-level
- Paid parental leave
- Health insurance
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Project Manager
NV5 —Portsmouth, NH
- Full-time
- Construction site
- Computer literacy
- Bachelor of Science
- Health insurance
- Dental insurance
Plant Engineer II
ResponsAble Staffing —United States
- Overtime
- Bachelor of Science
- English
- Mid-level
Quick Apply

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Mechanical Engineer

AT Process Technologies
Berwick, ME

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Job Details

Full-time
$120,000 - $180,000 a year

Qualifications

Project engineering
3D modeling software
3D modeling

Full Job Description

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

ATP is building a core team of engineers to work alongside our Process and Chemistry R&D teams to develop an autonomous skidded system for next-generation energetics manufacturing. In this role you will own and deliver a subsystem from concept through commissioning. The ideal candidate has previously owned a critical project end-to-end (design, build, and execution) and brings the engineering fundamentals to solve a wide range of problems quickly and rigorously.

Key Responsibilities

Own the mechanical design and development of subsystem-level hardware from concept through pilot testing and production
Design and fabricate reactors and other continuous process systems.
Work alongside a team of mechanical and process engineers to design, build, test, and commission hardware
Collaborate with automation and controls engineers on integrated system development
Lead hands-on testing, hardware iteration, and rapid prototyping based on performance feedback
Drive manufacturability, part selection, and tolerance stack-up decisions for scalable production
Conduct engineering analysis including stress, thermal, and fluid modeling; perform DFM and DFMEA
Evaluate vendors, lead design reviews, and validate compliance and performance
Contribute to test plans, technical documentation, and engineering reviews

Required Qualifications

Bachelor's degree in Mechanical Engineering, Chemical Engineering, Robotics, Mechatronics, or a related discipline
5+ years of professional experience in hardware design and development
Strong proficiency in 3D modeling and CAD tools (Siemens NX, Fusion 360, or equivalent)
Demonstrated application of mechanical fundamentals - structural, thermal, and materials - to deliver robust, well-engineered designs
Demonstrated experience owning hands-on, end-to-end hardware development efforts (industry projects, FSAE, Design-Build-Fly, rocketry teams, or similar)

Preferred Qualifications

5-10 years of relevant industry experience
Background in robotics, PLCs, mechatronics, or process development
Experience with continuous processes and manufacturing
Familiarity with at least one programming language (Python, C++, or similar)
Experience designing hardware for reactive, hazardous, or energetic chemistries

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

This position requires access to information and technology protected under U.S. export control laws and regulations, including the International Traffic in Arms Regulations (ITAR) and the Export Administration Regulations (EAR). To conform to these regulations, applicants must be a "U.S. Person" as defined by 22 CFR § 120.62, which includes (i) U.S. citizens or nationals, (ii) U.S. lawful permanent residents (green card holders), (iii) refugees under 8 U.S.C. § 1157, or (iv) asylees under 8 U.S.C. § 1158.

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 [email protected].

E-Verify

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

Compensation Range: $120K - $180K

Quick Apply

Refine Your Search

mechanical engineer jobs in rochester, nh

Mechanical Engineer

Mechanical Engineer

Mechatronic Engineer

Design Engineer II

Manufacturing Engineer

Junior Engineer

Manufacturing Engineer - Aerospace and Defense Industry!

Senior Mechanical Design Engineer

Mechanical Design Engineer III

Sr. Design Engineer

Sr. Manufacturing Engineer, Electromechanical Systems

Senior Network Element Mechanical Design Engineer

MEP Project Engineer/Manager

Manufacturing Engineer - Aerospace and Defense Industry!

Project Manager

Plant Engineer II

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