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Senior Specialist Injection Mold Design Engineer Jobs

JST Corporation

Mold Builder A

Harrisburg, PA

$20 - $35/hr

Injection Mold Experience Required ESSENTIAL DUTIES AND/OR RESPONSIBILITIES: 1. Oversee and ... tool design reviews. 3. Collaborate with Mold Design Engineers during mold builds and ...

JST GROUP

Mold Builder A

Harrisburg, PA · On-site

$20 - $35/hr

Injection Mold Experience Required ESSENTIAL DUTIES AND/OR RESPONSIBILITIES: 1. Oversee and ... tool design reviews. 3. Collaborate with Mold Design Engineers during mold builds and ...

Texas Injection Molding

Senior Mold Maker

Houston, TX · On-site

Aid in the mold design and building of new injection molds, fixtures and other tooling related ... Experience with CNC machining and programming * Qualified as a Journeyman Mold Maker. * Have ...

htna

Senior Project Engineer

Milwaukee, WI · On-site

$102K - $133K/yr

The Senior Project Engineer will A) act as an injection molding technical expert helping the ... Understands injection mold design, mold materials, mold components, and manufacturing methods.

OTTO Engineering

Injection Mold Maker

Carpentersville, IL · On-site

$26 - $32/hr

Capable of working from blueprints and/or CAD models to construct, alter, or repair tooling ... OTTO Engineering is an Equal Opportunity Employer: Disability/Veteran Federal Notices Federal EEOC ...

OTTO Engineering

Injection Mold Maker

Carpentersville, IL · On-site

$26 - $32/hr

Capable of working from blueprints and/or CAD models to construct, alter, or repair tooling ... OTTO Engineering is an Equal Opportunity Employer: Disability/Veteran Federal Notices Federal EEOC ...

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Senior Specialist Injection Mold Design Engineer information

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How much do senior specialist injection mold design engineer jobs pay per hour?

As of Aug 17, 2026, the average hourly pay for senior specialist injection mold design engineer in the United States is $61.45, according to ZipRecruiter salary data. Most workers in this role earn between $53.12 and $68.51 per hour, depending on experience, location, and employer.

What is the difference between Senior Specialist Injection Mold Design Engineer vs Injection Mold Design Engineer?

AspectSenior Specialist Injection Mold Design EngineerInjection Mold Design Engineer
QualificationsTypically requires 5+ years experience, specialized certifications in mold designUsually 2-4 years experience, foundational knowledge in mold design
ResponsibilitiesLead complex mold projects, optimize designs, mentor junior engineersAssist in mold design, create CAD models, support manufacturing
Work EnvironmentDesign departments, R&D labs, collaborative teamsDesign teams, manufacturing plants, technical support roles

The Senior Specialist Injection Mold Design Engineer generally has more experience, takes on complex projects, and provides mentorship. In contrast, the Injection Mold Design Engineer focuses on supporting mold design tasks and gaining experience in the field.

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Senior Specialist Injection Mold Design Engineer jobs near you
Infographic showing various Senior Specialist Injection Mold Design Engineer job openings in the United States as of August 2026, with employment types broken down into 1% Internship, 88% Full Time, 6% Part Time, and 5% Contract. Highlights an 84% Physical, 5% Hybrid, and 11% Remote job distribution, with an average salary of $127,824 per year, or $61.5 per hour.

Senior Injection Molding Tooling Engineer

Flex

Manchester, CT • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 16 days ago

Job description

Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world.A career at Flex offers the opportunity to make a difference and invest in your growth in a respectful, inclusive, and collaborative environment. If you are excited about a role but don't meet every bullet point, we encourage you to apply and join us to create the extraordinary.Job Summary

At Flex, we deliver innovative medical and consumer products that improve lives around the world. We are seeking a highly skilled Senior Injection Molding Tooling Engineer to join our growing engineering team in Manchester, CT.

In this role, you will lead complex tooling programs from concept through production launch, working closely with customers, suppliers, mold makers, and manufacturing teams to ensure high-quality, cost-effective injection molding solutions. This is an excellent opportunity for an engineer who enjoys managing technically challenging projects, influencing product manufacturability, and driving continuous improvement within a highly regulated manufacturing environment.

What You'll Do

  • Lead injection mold tooling projects from design through qualification, validation, and production release.
  • Manage new mold builds, tool refurbishments, engineering changes, repairs, and spare tooling programs.
  • Partner with customers, mold suppliers, and internal cross-functional teams to ensure project success.
  • Review part designs for manufacturability and provide DFM recommendations to optimize quality, cycle time, and tool performance.
  • Support PFMEA/FMEA activities and risk mitigation efforts for new and existing products.
  • Coordinate mold design reviews, tool trials, process optimization, qualification activities, and final customer approvals.
  • Troubleshoot tooling and molding issues to improve performance, reliability, and product quality.
  • Develop tooling quotations, project schedules, technical specifications, and cost estimates.
  • Monitor project timelines and provide regular status updates to management and customers.
  • Drive continuous improvement initiatives focused on tool life, process capability, productivity, and cost reduction.

What We're Looking For

  • Bachelor's degree in Engineering, Plastics Engineering, Manufacturing Engineering, Mechanical Engineering, or related discipline - or - equivalent industry experience.
  • 6+ years of experience managing injection mold tooling projects in a manufacturing environment.
  • Experience within a highly regulated manufacturing industry such as medical devices, healthcare, automotive, aerospace, or electronics manufacturing.
  • Strong understanding of plastic injection mold design, mold construction, and injection molding processes.
  • Experience qualifying complex, tight-tolerance, multi-cavity, or high-cavitation injection molds.
  • Working knowledge of DFM, FMEA, process validation, and tooling qualification methodologies.
  • Ability to manage multiple projects simultaneously while working with customers, suppliers, and internal stakeholders.
  • Excellent communication, problem-solving, and project management skills.

Preferred Qualifications

  • Medical device manufacturing experience.
  • Experience supporting IQ/OQ/PQ validation activities.
  • Familiarity with scientific molding principles and process development.
  • Knowledge of quality systems and regulatory requirements within highly regulated manufacturing environments.

Why Join Flex?

  • Work on innovative medical products that impact lives worldwide.
  • Lead highly visible tooling projects from concept to commercialization.
  • Collaborate with industry-leading customers, engineers, and manufacturing experts.
  • Competitive compensation, career growth opportunities, and a culture focused on innovation and continuous improvement.

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 07-20-2026 Job Posting End Date Job CategoryProduction Engineering

Is Sponsorship Available?

NoFlex 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 Flex, you must complete the application process first).
Flex Personnel logo

About Flex Personnel

Sourced by ZipRecruiter

The Flex Team is made up of Staffing Industry experts committed to serving the needs of businesses and workers by bringing people together. We are guided by our Core values Integrity, Courtesy, and Respect. At Flex we bring Businesses and People together. We carefully assess both the needs of our Business clients and the complete profiles of each candidate, and then make the connections we believe will be most mutually beneficial. With offices in select markets throughout the Country, We are continually expanding our industry reach nationwide.

Industry

Recruiting and staffing services

Company size

11 - 50 Employees

Headquarters location

Dallas, TX, US

Social media

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