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A
Project Engineer
AbbVie
North Chicago, IL
- $109,500 to $208,500 USD / year
…related to a specific technical field or discipline. A Project Engineer has full knowledge of other related disciplines beyond their own area of…
Added just now
Principal Engineer - Integration, Test, & verification
Firestorm
United States
Practical knowledge of HIL/SIL, instrumentation, automation, test design, requirements traceability, defect management, and root-cause analysis.
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Senior Product Manager, UAS Development
Firestorm
United States
…comfortable at a test range or with a unit as you are in a design review. You know a product is finished only when it works for the user in the…
Added 1 min ago
R
Software Engineer, Frontend
Ramp
New York City, NY · San Fransisco, CA · Miami, FL
- $200,000 to $310,000 USD / year
…currently involves TypeScript, React, Vite, and Ryu, our in-house design…
Added 1 min ago
Visualization Engineer
CAE USA Inc
Arlington, TX
· Knowledgeable in algorithm performance and design. Able to apply knowledge
Added 1 min ago
Sr AI & Automation Engineer
INSPYR Solutions
Deerfield Beach, FL
The Senior AI & Automation Engineer designs, builds, and operates AI-enabled automation solutions using Power Automate, Power Apps, Copilot Studio, and Copilot endpoints integrated with…
Added 1 min ago
SS
Project Manager - MET
Sibanye Stillwater
Columbus, MT
- From $134,800 USD / year
Develop or coordinate feasibility assessments, scopes of work, design criteria, cost estimates, economic analyses, schedules, execution plans, procurement strategies, and Authorization for…
Added 2 mins ago
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Analog IC Design Engineer
Kforce
Austin, TX
- $120,000 to $150,000 USD / year
Kforce's client, a growing semiconductor company in the Austin, TX area is seeking an Analog IC Design Engineer to join its engineering team. This is a hands-on individual contributor…
Added 2 mins ago
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Sr. or Principal Analog IC Design Engineer
Kforce
Austin, TX
- $160,000 to $195,000 USD / year
Kforce's client, a growing semiconductor company in the Austin, TX area is seeking a Senior or Principal Analog IC Design Engineer to join its engineering team. This is a hands-on…
Added 2 mins ago
ELECTRONICS ENGINEER
U.S. Air Force - Agency Wide
Kirtland AFB, NM
…Positions. BASIC REQUIREMENT ALL GRADE LEVELS 0855 Electronic Engineer: Successfully completed a professional engineering degree: The curriculum must be in a school of engineering with at…
Added 2 mins ago
RF Electrical Engineer (R&D Engineer 1/2)
Los Alamos National Laboratory
Los Alamos, NM
Education/Experience for R&D Engineer 1: Position requires a bachelor's degree in engineering from an accredited institution related to the occupation combined with 2 years of related…
Added 2 mins ago
LANSCE Water Systems Lead R&D Engineer 2/3
Los Alamos National Laboratory
Los Alamos, NM
As an R&D Engineer 2 you will lead a team of technicians responsible for the operation and maintenance of the cooling water systems of all components along the LANSCE linear particle…
Added 2 mins ago
R&D Engineer 1
Los Alamos National Laboratory
Los Alamos, NM
As an R&D Engineer 1 working as a Process Engineer, you will initiate and conduct engineering assignments that ensure consistent quality and high yield of detonator component and…
Added 2 mins ago
Nuclear Facilities Engineer 2/3 (Mechanical Project Engineer)
Los Alamos National Laboratory
Los Alamos, NM
This position will be filled at either the Nuclear Facilities Engineer 2/3 level, depending on the skills of the selected candidate. Additional job responsibilities (outlined below) will be…
Added 2 mins ago
R&D Engineer 2/3
Los Alamos National Laboratory
Los Alamos, NM
Demonstrated experience with one or more of the following areas: engineering design, development, qualification, assembly/production, or testing. Demonstrated knowledge of systems…
Added 2 mins ago
Nuclear Facilities Engineer 1/2
Los Alamos National Laboratory
Los Alamos, NM
Awareness of nuclear facility engineering in one or more of the following, nuclear criticality safety analysis, safety basis, system engineer, project engineer, or design engineer
Added 2 mins ago
Systems R&D Engineer 2/3
Los Alamos National Laboratory
Los Alamos, NM
This position will be filled at either the R&D Engineer 2 or 3 level, depending on the skills of the selected candidate. Additional job responsibilities (outlined below) will be assigned if…
Added 2 mins ago
R&D Engineer 2/3
Los Alamos National Laboratory
Los Alamos, NM
…are considered the primary technical interface with the three design agencies and the NNSA stakeholders. Product Engineers focus on managing the technical requirements supporting…
Added 2 mins ago
MBSE Systems Engineering R&D Engineer 1/2
Los Alamos National Laboratory
Los Alamos, NM
Q-20 is seeking an early-career Model-Based Systems Engineer (MBSE) to support the development and implementation of digital engineering capabilities across the W93/Mk7 development effort.…
Added 2 mins ago
Pulsed Power Engineer (R&D Engineer 2/3)
Los Alamos National Laboratory
Los Alamos, NM
This position will be filled at either the R&D Engineer 2 or 3 level, depending on the skills of the selected candidate. Additional job responsibilities (outlined below) will be assigned if…
Added 2 mins ago
Engineering Technologist 1/2
Los Alamos National Laboratory
Los Alamos, NM
Work closely with the lead production engineer on work associated with assembly.
Added 2 mins ago
Cleared Senior/Principal RD Systems Engineer - Mobile Guardian Transporter Quality, Hybrid
Sandia National Laboratories
Albuquerque, NM
We are seeking a highly motivated R&D Systems Engineer to join the MGT Quality team to support the Trailer Electronics team develop, implement, and maintain strategies to lead design and…
Added 2 mins ago
Cleared Senior/Principal R&D Mechanical Engineer - EMSAT Process Owner, Onsite
Sandia National Laboratories
Albuquerque, NM
We are seeking an experienced R&D Mechanical Engineer to lead and own manufacturing processes at Sandia's explosive components facilities. Your primary role will consist of working in a…
Added 2 mins ago
Software Engineer II - Marketplace Efficiency (Bidding)
Indeed
Albuquerque, NM
As a Software Engineer II at Indeed, you will design and build software that powers shared platforms, services, and products used across the company. You'll work on systems that operate at…
Added 2 mins ago
Cleared Senior/Principal RD Systems Engineer - Surety Systems Engineering, Onsite
Sandia National Laboratories
Albuquerque, NM
The 2910/2920 Surety Systems Engineer (SSE) develops, implements, and maintains strategies to lead the R&D project team in successful product qualification and delivery. SSEs interface…

Actalent

Principal Mechanical Engineer

Nashua, NH, United States

Pay and BenefitsThe pay range for this position is $66.00 - $89.00/hr.

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Job details

Pay: Pay and BenefitsThe pay range for this position is $66.00 - $89.00/hr.
Posting language: English
Posted: Nov 4, 2026

Original job description

Principal Mechanical EngineerJob DescriptionWe are seeking a highly motivated Principal Mechanical Engineer to provide technical leadership in the design, development, analysis, and integration of advanced electronic warfare, countermeasure, and electromagnetic attack systems. This role combines hands-on engineering with team leadership and mentorship, supporting the full product lifecycle from concept development through qualification and production. The ideal candidate is a proven mechanical engineering leader with deep experience in hardware design, structural and thermal analysis, and military electronic systems integration.Responsibilities

Lead and support a team of mechanical engineers in the design, development, and integration of complex countermeasure and electromagnetic attack solutions.
Develop robust mechanical hardware solutions that meet demanding customer, program, and environmental requirements.
Provide technical leadership, guidance, and mentorship to engineers, helping develop future technical leaders within the organization.
Perform and review detailed mechanical designs and engineering analyses, including structural, thermal, and environmental assessments.
Create and evaluate 3D solid models, engineering drawings, and product definitions.
Apply GD&T principles and perform tolerance stack-up analyses to ensure proper fit, form, and function.
Assess hardware designs for manufacturability, reliability, and environmental compliance.
Support prototype development, hardware integration, testing, and verification activities.
Collaborate closely with electrical, systems, manufacturing, and test engineering teams throughout the product lifecycle.
Support technical design reviews and provide engineering recommendations to program leadership.

Essential Skills

Bachelor's degree in Mechanical Engineering or a related engineering discipline.
Significant experience in mechanical design, product development, and engineering analysis.
Strong experience in structural and thermal analysis of complex hardware systems.
Experience working with integrated military electronic hardware and associated test equipment.
Demonstrated leadership experience guiding technical teams and mentoring engineers.
Proficiency with 3D CAD modeling and mechanical product definition tools.
Strong understanding and application of GD&T and tolerance analysis methodologies.
Excellent written and verbal communication skills.
Ability to work effectively both independently and within small multidisciplinary teams.
Strong problem-solving skills and the ability to execute complex technical projects from concept through validation.

Additional Skills & Qualifications

Experience supporting electronic warfare, countermeasure, RF, or electromagnetic attack systems.
Experience with environmental qualification testing and military hardware requirements.
Familiarity with prototype development, hardware integration, and verification testing.
Experience leading design reviews and cross-functional engineering efforts.
Experience in defense or aerospace product development.

Work EnvironmentThe work environment includes collaboration with multidisciplinary teams, utilizing advanced technologies and equipment. The role requires flexibility in working hours to support various stages of product development. Expect a professional setting where innovation and technical excellence are highly valued. Job Type & LocationThis is a Contract to Hire position based out of Nashua, NH. Pay and BenefitsThe pay range for this position is $66.00 - $89.00/hr. Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits

available for this temporary role may include the following:

Medical, dental & vision Critical Illness, Accident, and Hospital 401(k) Retirement Plan Pre-tax and Roth post-tax contributions available Life Insurance (Voluntary Life & AD&D for the employee and dependents) Short and long-term disability Health Spending Account (HSA) Transportation benefits Employee Assistance Program Time Off/Leave (PTO, Vacation or Sick Leave) Job Type & LocationThis is a Contract to Hire position based out of Nashua, NH. Application DeadlineThis position is anticipated to close on Nov 18, 2026. Workplace TypeThis is a fully onsite position in Nashua,NH.About Actalent

Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 20,000 consultants and 5,000 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. We are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options.

San Francisco Fair Chance Ordinance:

Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector:

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI):

We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.

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More about this job

Skills

Team leadership
Leadership
Regulatory compliance
Mechanical engineering
Coaching
Communication skills
Problem solving
Military weaponry
Collaboration

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