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Senior Mechanical Inspector Jobs in Boston, MA (NOW HIRING)

Flex

Sr. Mechanical Development Engineer

Littleton, MA

$108K - $142K/yr

Reporting to the Product Manager the Sr. Mechanical Development engineer The Sr. Mechanical Design ... Review and approve tooling, control plans, and inspection criteria for new mechanical parts.

Flex Ltd.

Sr. Mechanical Development Engineer

Littleton, MA · On-site

$108K - $142K/yr

Reporting to the Product Manager the Sr. Mechanical Development engineer The Sr. Mechanical Design ... Review and approve tooling, control plans, and inspection criteria for new mechanical parts.

Amaze Systems Inc.

Senior Mechanical Engineer

Gloucester, MA · On-site

$115K - $152K/yr

New Position: Sr Mechanical Engineer (Semiconductor Equipment) Location: Gloucester, MA (Fully ... Vendor interaction for manufacturing and first article inspection (FAI). Behavioral Competencies:

Flex Ltd.

Sr. Mechanical Development Engineer

Littleton, MA · On-site

$108K - $142K/yr

Reporting to the Product Manager the Mechanical Development engineer The Sr. Mechanical Design ... Review and approve tooling, control plans, and inspection criteria for new mechanical parts.

Flex

Sr. Mechanical Development Engineer

Littleton, MA · On-site

$108K - $142K/yr

Reporting to the Product Manager the Mechanical Development engineer The Sr. Mechanical Design ... Review and approve tooling, control plans, and inspection criteria for new mechanical parts.

Slope

Senior Mechanical Engineer

Andover, MA · On-site

$120 - $180/hr

What We're Looking For We are looking for a Senior Mechanical Engineer who thrives at the ... Use data and physical inspection to identify failure modes and implement permanent engineering ...

Ametek

Senior Mechanical Engineer

Bedford, MA · On-site

$109K - $145K/yr

Amptek is seeking a highly motivated Senior Mechanical Engineer to support the design, development ... industrial inspection, laboratory research, portable instrumentation, and nuclear and space ...

Ametek

Senior Mechanical Engineer

Bedford, MA · On-site

$109K - $145K/yr

Amptek is seeking a highly motivated Senior Mechanical Engineer to support the design, development ... industrial inspection, laboratory research, portable instrumentation, and nuclear and space ...

GFT.

Sr. Mechanical Engineer

Boston, MA · On-site

$113K - $149K/yr

GFT is seeking a Sr. Mechanical Engineer with a strong interest mechanical systems to lead ... inspectors, designers, and more. Our clients choose us for our expertise and prefer us for our ...

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All JobsMechanical Inspector JobsSenior Mechanical Inspector JobsSenior Mechanical Inspector Jobs in Boston, MA

Senior Mechanical Inspector information

See Boston, MA salary details

$14

$31

$59

How much do senior mechanical inspector jobs pay per hour?

As of Aug 27, 2026, the average hourly pay for senior mechanical inspector in Boston, MA is $31.58, according to ZipRecruiter salary data. Most workers in this role earn between $23.51 and $37.07 per hour, depending on experience, location, and employer.

What does a senior mechanical inspector do?

A Senior Mechanical Inspector is responsible for examining and evaluating mechanical systems, components, and installations to ensure they meet safety standards, codes, and project specifications. They inspect machinery, HVAC systems, piping, and other mechanical installations, often at construction sites or manufacturing facilities. Senior Mechanical Inspectors also document their findings, recommend corrective actions, and may supervise other inspectors. Their role is crucial in maintaining high standards of safety, quality, and compliance in mechanical engineering projects.

What are the key skills and qualifications needed to thrive as a senior mechanical inspector?

To thrive as a Senior Mechanical Inspector, you need advanced knowledge of mechanical systems, engineering standards, and quality control procedures, typically supported by a relevant engineering degree and extensive inspection experience. Familiarity with inspection tools, non-destructive testing methods, and reporting software such as AutoCAD or QA/QC documentation systems is essential. Attention to detail, problem-solving abilities, and strong communication skills help distinguish top performers in this role. These skills ensure compliance with safety and quality standards, minimize risks, and facilitate effective collaboration with engineering and construction teams.

What are some common challenges faced by a senior mechanical inspector in ensuring compliance with industry standards on large-scale projects?

A Senior Mechanical Inspector often encounters challenges such as coordinating with multiple contractors and disciplines to enforce quality standards, keeping up-to-date with evolving codes and regulations, and managing tight project schedules while maintaining thorough inspections. Additionally, resolving discrepancies between design specifications and on-site installations requires strong communication and problem-solving skills. Effective documentation and proactive collaboration with project engineers and safety managers are key to overcoming these challenges and ensuring project success.

What is the difference between Senior Mechanical Inspector vs Mechanical Inspector?

AspectSenior Mechanical InspectorMechanical Inspector
CertificationsASME, API, or equivalent; often more experience requiredSimilar certifications, but may require less experience
Work EnvironmentOversees projects, mentors staff, reviews complex inspectionsPerforms routine inspections, reports issues
ResponsibilitiesLead inspection activities, ensure compliance, review documentationConduct inspections, document findings, report to supervisors

The main difference between a Senior Mechanical Inspector and a Mechanical Inspector lies in experience, scope of responsibilities, and leadership roles. Senior Mechanical Inspectors typically oversee complex projects and mentor junior staff, while Mechanical Inspectors focus on routine inspections. Both roles require similar certifications and work in similar environments within the mechanical and industrial sectors.

What are popular job titles related to Senior Mechanical Inspector jobs in Boston, MA?

For Senior Mechanical Inspector jobs in Boston, MA, the most frequently searched job titles are:

What job categories do people searching Senior Mechanical Inspector jobs in Boston, MA look for?

The top searched job categories for Senior Mechanical Inspector jobs in Boston, MA are:

What cities near Boston, MA are hiring for Senior Mechanical Inspector jobs?

Cities near Boston, MA with the most Senior Mechanical Inspector job openings:

Senior Mechanical Inspector jobs near you
Infographic showing various Senior Mechanical Inspector job openings in Boston, MA as of August 2026, with employment types broken down into 87% Full Time, 11% Part Time, 1% Contract, and 1% Nights. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $65,678 per year, or $31.6 per hour.

Sr. Mechanical Development Engineer

Littleton, MA • On-site

JetCool Technologies, Inc.
Computer and Peripheral Equipment Manufacturing • 11 - 50 employees
Learn more about JetCool Technologies, Inc.external

$108K - $142K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 2 days ago

Job description

At JetCool, a Flex company, we're at the forefront of liquid cooling innovation, delivering advanced solutions that empower our partners in AI and high-performance computing. United by a shared purpose, our teams are pushing the limits of what's possible and tackling complex challenges.
A career at JetCool offers the opportunity to make a real impact by helping build smarter, more sustainable data centers. Together, we're not just advancing technology - we're redefining cooling standards to create a more sustainable tomorrow.
Job Summary
Job Description
To support our extraordinary teams who build great products and contribute to our growth, we're looking to add a Sr. Mechanical Development engineer located in Littleton, MA.
Reporting to the Product Manager the Sr. Mechanical Development engineer The Sr. Mechanical Design Engineer will own the design, analysis, validation, and refinement of mechanical components and assemblies that enable reliable, high efficiency liquid cooling. They will work closely with Thermal, Electrical, Product Development, Manufacturing, and Quality teams to take products from concept through launch and into scalable production.
What a typical day looks like:
Mechanical Design & Development
  • Own mechanical design for liquid cooling components including cold plates, manifolds, quick-disconnects, tubing assemblies, housings, and chassis interfaces.
  • Create and manage detailed CAD models, 2D drawings, GD&T, and tolerance stack-ups to ensure robust, manufacturable designs.
  • Select materials and finishes to address corrosion, galvanic compatibility, cleanliness, pressure containment, and long-term durability in liquid cooling environments.
  • Drive sealing strategies using O-rings, gaskets, welds, brazes, and adhesives matched to coolant chemistry and operating conditions.

Engineering Analysis
  • Perform engineering calculations and simulations related to mechanical stress, thermal expansion, fatigue, vibration, flow/pressure, and structural integrity.
  • Collaborate with thermal engineers to optimize mechanical features influencing flow distribution, pressure drop, fin/channel geometry, and heat transfer efficiency.
  • Conduct DFM reviews with suppliers to align machining, brazing, and fabrication methods with design requirements.

Prototyping & Validation
  • Build and iterate on prototypes to evaluate fit, finish, assembly, and performance.
  • Develop mechanical validation plans for pressure tests, leak testing, burst testing, vibration/shock, environmental exposure, thermal cycling, and dimensional inspection.
  • Design test fixtures and support automated data collection where needed.
  • Lead root cause analysis for failures (e.g., leaks, deformation, material incompatibility) and implement corrective design changes.

Manufacturing & Supplier Engagement
  • Collaborate with manufacturing engineering and suppliers on fabrication, machining, brazing, plating, and sealing processes.
  • Define critical-to-quality (CTQ) characteristics and participate in supplier qualification.
  • Review and approve tooling, control plans, and inspection criteria for new mechanical parts.
  • Support build events (EVT/DVT/PVT) and ensure mechanical components meet functionality, quality, and reliability targets.

Cross-Functional Collaboration
  • Work with Program Management and Product Development to translate product requirements into mechanical specifications.
  • Partner with Thermal and Electrical teams to ensure system-level integration of cooling hardware with processors, boards, and rack infrastructure.
  • Provide input to serviceability, reliability, manufacturability, and cost trade-off discussions.
  • Support customer evaluations, pilot deployments, and field feedback analysis.

The experience we're looking to add to our team:
  • BS/MS in Mechanical Engineering or equivalent experience.
  • 7+ years developing complex mechanical components or assemblies for electro mechanical systems; experience with liquid cooling or fluid systems strongly preferred.
  • Strong proficiency with CAD (SolidWorks, Creo, NX), drawing generation, and GD&T (ASME Y14.5).
  • Experience designing for precision machining, brazing, plating, elastomer sealing, and pressure rated components.
  • Hands-on experience with pressure/leak testing, dimensional inspection, materials evaluation, and mechanical validation testing.
  • Familiarity with materials (copper, aluminum, stainless steel, polymers, elastomers) and their behavior in liquid coolant environments.
  • Strong fundamental technical expertise in mechanical design and structural evaluation.
  • Strong working knowledge of fluid dynamics and heat transfer principles.
  • Excellent communication skills and ability to lead technical decisions across teams.

BO18
What you'll receive for the great work you provide:
  • Full range of medical, dental, and vision plans
  • Life Insurance
  • Short-term and Long-term Disability
  • Matching 401(k) Contributions
  • Vacation and Paid Sick Time
  • Tuition Reimbursement

Application Deadline:
Applications for this job position will be accepted for at least five days following the job posting start date below and continuing until the end date below or until the position is filled. This posting may close sooner due to application volume.
Job Posting Start Date 07-27-2026 Job Posting End Date 10-30-2026
The base pay range for this position is provided below. The final base rate offered will be determined using job-related, non-discriminatory criteria, including but not limited to experience, qualifications, geographic location, education, external market data, and internal equity.
$105,000.00 USD - $144,400.00 USD Annual
Job Category
Design, Process & Technology Engineering
Is Sponsorship Available?
No
JetCool is an Equal Opportunity Employer and employment selection decisions are based on merit, qualifications, and abilities. We do not discriminate based on: age, race, religion, color, sex, national origin, marital status, sexual orientation, gender identity, veteran status, disability, pregnancy status, or any other status protected by law. We're happy to provide reasonable accommodations to those with a disability for assistance in the application process. Please email accessibility@flex.com and we'll discuss your specific situation and next steps (NOTE: this email does not accept or consider resumes or applications. This is only for disability assistance. To be considered for a position at JetCool, you must complete the application process first).

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