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Flexible Packaging Mechanical Engineer Jobs (NOW HIRING)

DensityAI

Packaging Mechanical Engineer

Mountain View, CA · On-site

$190K - $245K/yr

About the role Own the thermo-mechanical design of the advanced packages our AI accelerator silicon ships in. A multi-die 2.5D package is a stack of materials that all want to expand at different ...

DensityAI

Packaging Mechanical Engineer

Mountain View, CA · On-site

$190K - $245K/yr

About the role Own the thermo-mechanical design of the advanced packages our AI accelerator silicon ships in. A multi-die 2.5D package is a stack of materials that all want to expand at different ...

BUNZL

Flexible Packaging Engineer

Salinas, CA · Hybrid

$75K - $80K/hr

Destiny Packaging, a Bunzl company, is seeking a Flexible Packaging Engineer to act as a technical conduit between the films we market and our Sales team. This person will need to be knowledgeable ...

Bunzl

Flexible Packaging Engineer

Salinas, CA · On-site

Destiny Packaging, a Bunzl company, is seeking a Flexible Packaging Engineer to act as a technical conduit between the films we market and our Sales team. This person will need to be knowledgeable ...

Bunzlcareers

Flexible Packaging Engineer

Salinas, CA · On-site

$75K - $80K/yr

Description Destiny Packaging, a Bunzl company, is seeking a Flexible Packaging Engineer to act as a technical conduit between the films we market and our Sales team. This person will need to be ...

Tekni-Plex , Inc.

Bachelor's degree in Chemical Engineering, Mechanical Engineering, Packaging Engineering, Materials Science, or related field. * 3+ years of experience in flexible packaging or converting ...

Haskell

Design Engineer - Packaging Mechanical

Atlanta, GA · On-site

$73K - $99K/yr

The primary responsibility of the Design Engineer supports efforts to ensure that the packaging mechanical portion of the project is technically sound, on schedule and within cost. Develops necessary ...

DESE Research, Inc.

Mechanical Engineer

Huntsville, AL · On-site

Support mechanical design activities including component development, packaging, mechanisms, and ... Flexible work schedules * Two different flexible spending account options * Company paid life ...

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Flexible Packaging Mechanical Engineer information

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$45.5K

$102.9K

$166.5K

How much do flexible packaging mechanical engineer jobs pay per year?

As of Sep 12, 2026, the average yearly pay for flexible packaging mechanical engineer in the United States is $102,878.00, according to ZipRecruiter salary data. Most workers in this role earn between $81,500.00 and $126,500.00 per year, depending on experience, location, and employer.

What are popular job titles related to Flexible Packaging Mechanical Engineer jobs?

For Flexible Packaging Mechanical Engineer jobs, the most frequently searched job titles are:

Infographic showing various Flexible Packaging Mechanical Engineer job openings in the United States as of June 2026, with employment types broken down into 82% Full Time, 3% Part Time, and 15% Contract. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $102,878 per year, or $49.5 per hour.

Packaging Mechanical Engineer

Mountain View, CA

DensityAI
See more jobs at DensityAIexternal

Full-time

Re-posted 6 days ago

Job description

About the role

Own the thermo-mechanical design of the advanced packages our AI accelerator silicon ships in. A multi-die 2.5D package is a stack of materials that all want to expand at different rates, under a lid, under load, cycling through hundreds of watts - and your job is to make it stay flat, stay bonded, and stay intact. You'll model warpage and stress through reflow and assembly, design the lid, stiffener, underfill and TIM stack that controls them, set the mechanical rules our OSATs build to, and own the socket and load mechanics where the package meets the cooling solution. You'll correlate every model against real measurement, and you'll be the person who knows whether a design will survive the assembly line before it gets there.

What will you do
  • Own thermo-mechanical modeling and FEA for multi-die packages; warpage across reflow and assembly, die and interconnect stress, CTE mismatch, and structural response under thermal and mechanical load
  • Own package mechanical design; lid and heat spreader, stiffener, underfill and mold compound selection, and TIM specification and bondline control at the package-to-cooling interface
  • Drive assembly process mechanics and mechanical design rules with OSATs and substrate suppliers, and own socket and load-frame mechanics for high-force accelerator sockets
  • Correlate models to measurement (shadow moire, strain gauge, DIC) and drive DOEs that close the gap between simulation and silicon
  • Use and develop AI assisted tool flows to accelerate mechanical modeling and signoff timelines
What we're looking for
  • Exceptional abilities in thermo-mechanical analysis of semiconductor packages: warpage prediction and control, die and solder-joint stress, delamination and interfacial fracture risk, and material and structural tradeoffs
  • 8+ years of packaging mechanical experience on high-performance designs, including 2.5D / 3D and multi-die packages (CoWoS, EMIB, InFO, fan-out, or equivalent) and HBM-bearing assemblies
  • Hands-on with industry-standard FEA tools (Ansys Mechanical, Abaqus, or equivalent) and strong materials knowledge across underfills, mold compounds, substrates, TIMs, and lid materials
  • Demonstrated ability to work closely with packaging, thermal, reliability, board, and OSAT partners to converge mechanical designs and sign them off against JEDEC and IPC standards

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