Jobs in the United States

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Added 2 mins ago
Infrastructure engineer
SEI INVESTMENTS COMPANY
Oaks, PA
Added 2 mins ago
Manufacturing Engineer
Rand Precision Machining
Corry, PA
Added 2 mins ago
Entry Level Electrical Engineer
GANNETT FLEMING INC
Ebensburg, PA
Added 2 mins ago
CE
Tech Ops Engineer II - AMZ10322415
Confidential Employer
Fairless Hills, PA
- $118,298 to $183,300 USD / year
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Substation Engineer, Power
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Added 2 mins ago
Substation Engineer, Power
GANNETT FLEMING INC
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Added 2 mins ago
Project Engineer I
Acutec Precision
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…fast-paced, highly regulated environment. We are seeking a motivated Project Engineer. The Project Engineer I is a key manufacturing role responsible for researching, designing,…
Added 2 mins ago
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Added 3 mins ago
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Valid Driver's License required 4
Added 3 mins ago
EC
Project Manager - Hyperscale
Eaton Corporation
Moon Township, PA
- $99,000 to $145,000 USD / year
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Added 3 mins ago
Senior Project Engineer (PSP)
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Added 3 mins ago
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Expression of Interest for Engineering Graduate - Lehigh University
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Reading, PA
…consulting, engineering, procurement and construction across the project lifecycle, with services extending through to operations and decommissioning. Leveraging extensive experience and…
Added 3 mins ago
Expression of Interest for Engineering Graduate - Penn State University
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…consulting, engineering, procurement and construction across the project lifecycle, with services extending through to operations and decommissioning. Leveraging extensive experience and…
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Staff Manufacturing Test Engineer
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…supervision. 13. Work on and/or lead multiple projects and project teams to achieve project goals on-time. 14. Work with, and clearly communicate technical information to, a wide audience,…
Added 4 mins ago
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Senior Manager, Risk Intelligence & Decision Support
GlaxoSmithKline LLC
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- $124,500 to $207,500 USD / year
Added 4 mins ago
Production Engineer
Philly Shipyard Inc
Philadelphia, PA
Possess math and problem-solving skills to identify solution, ability to project manage a task to completion.
Added 23 mins ago
Program Director
City of New York
New York City, NY
Full-time satisfactory experience in construction inspection on capital projects, each one of which must have had a dollar value of at least $300,000
Added 23 mins ago
Plan Examiner, Sidewalk Shed and Construction Progress Monitoring
City of New York
New York, NY
This position may be eligible for remote work up to 2 days per week, pursuant to the Remote Work Pilot Program
Added 23 mins ago
Program Manager for Stormwater Permitting
City of New York
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- In coordination with Stormwater Design Engineer and Civil Engineering Division, prepare, sign, and stamp in-house design SWPPP applications for submittal and approval as needed.

Lightmatter

Sr/Staff Digital Design Engineer

Boston, MA, United States

$154,000 - $218,000 USD

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Job details

Pay: $154,000 - $218,000 USD
Experience: At least 5 years of experience in ASIC design or a similar high-speed chip design with multiple successful tape outs
Posting language: English
Posted: Nov 6, 2026

Original job description

Lightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress. The company invented the world’s first 3D-stacked photonics engine, Passage™, capable of connecting thousands to millions of processors at the speed of light in extreme-scale data centers for the most advanced AI and HPC workloads.

Lightmatter raised $400 million in its Series D round, reaching a valuation of $4.4 billion. We will continue to accelerate the development of data center photonics and grow every department at Lightmatter!

If you're passionate about tackling complex challenges, making an impact, and being an expert in your craft, join our team of brilliant scientists, engineers, and accomplished industry leaders.

Lightmatter is (re)inventing the future of computing with light!

We are hiring a Digital Design Engineer to help develop an ASIC for the next-generation artificial intelligence computing architecture alongside a team of world-class scientists and engineers. If your passion is innovation, solving challenging technical problems, and doing impactful work, you should join our team and help build the world's first optical computers!

Responsibilities

Develop RTL (i.e. system Verilog) modules with DFT considerations for IC development
Debug complex logic and mixed signal simulations
Understand and integrate silicon photonic communication and compute technology into digital accelerator design
Actively work with Architecture, Design Verification, Physical Design, Photonic, Analog and Software teams to realize high performance, low power designs in advanced technology nodes
Create design specifications and documentation to facilitate collaboration with partner teams
Generate documentation for modules, including functionality and timing
Manage RTL implementation to achieve functionally correct, performant designs within project schedules by identifying, communicating and mitigating risks.

Qualifications

Bachelor’s degree in Electrical or Computer Engineering (or related fields)
At least 5 years of experience in ASIC design or a similar high-speed chip design with multiple successful tape outs
Proficiency in SystemVerilog or Verilog for digital logic design
Proven experience debugging complex logic and mixed-signal simulations using industry-standard EDA tools (e.g., Synopsys VCS, Cadence Xcelium, Questa, or equivalent mixed-signal co-simulation environments)
Demonstrated track record of delivering high-performance, low-power digital designs in advanced semiconductor process nodes

Preferred Qualifications

Master's degree in Electrical or Computer Engineering (or related fields)
Experience in communication protocols (e.g. PCIe)
Knowledge of processor design, accelerators, and/or memory hierarchies
Exposure to silicon photonics (SiPh), optical compute/interconnect architectures, or electro-optic interface integration.
Strong scripting skills in Python, Perl, Tcl, or Bash to automate simulation and design workflows.
Experience interfacing digital logic directly with analog mixed-signal (AMS) IP (e.g., SerDes, ADCs/DACs, optical transceivers)

We offer competitive compensation. The base salary range for this role determined based on location, experience, educational background, and market data.

Salary Range: total compensation goes beyond base salary, it also includes a new hire equity grant, annual performance-based equity, and other rewards that recognize your impact and contribution.

$154,000 - $218,000 USD

Benefits

Comprehensive Health Care Plan (Medical, Dental & Vision)
Retirement Savings Matching Program
Life Insurance (Basic, Voluntary & AD&D)
Generous Time Off (Vacation, Sick & Public Holidays)
Paid Family Leave
Short Term & Long Term Disability
Training & Development
Commuter Benefits
Flexible, hybrid workplace model
Equity grants (applicable to full-time employees)

Benefits eligibility may vary depending on your employment status and location. Lightmatter recruits, employs, trains, compensates, and promotes regardless of race, religion, color, national origin, sex, disability, age, veteran status, and other protected status as required by applicable law.

Export Control

Candidates should have capacity to comply with the federally mandated requirements of U.S. export control laws.

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Jobs in the United States