Jobs in the United States

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Added 13 mins ago
C++ Software Engineer, Junior
BOOZ ALLEN HAMILTON INC
Dayton, OH
Job Number: R0251725 C++ Software Engineer, Junior The Opportunity: Develop solution architecture (SA) and resolve complex issues in a variety of projects through the implementation of…
Added 13 mins ago
Structural Engineer (Buildings)
HDR ENGINEERING INC
Cincinnati, OH
Added 19 mins ago
Senior AI Engineer
Atria Health and Research Institute
Remote, United States
As a Senior AI Engineer at Atria, you will own the design, development, and production deployment of the LLM-powered systems that put AI directly in front of clinicians and members: agentic…
Added 34 mins ago
AT
Machine Learning Senior Software Engineer
Akamai Technologies, Inc.
Jefferson City, MO
- $121,400 to $218,600 USD / year
As an ML Senior Software Engineer, you will build and operate systems responsible for model validation, quantization, and safety across the AIC. You'll develop pipelines that scan models…
Added 47 mins ago
EG
Cloud Engineer
Eliassen Group
Montpelier, VT
- $70 to $88 USD / hour
Our client seeks a senior Cloud Engineer to own and stabilize a legacy GCP and Azure footprint while assisting with conversions and decommissioning. The role will support automation efforts…
Added 47 mins ago
EG
Databricks Data Engineer
Eliassen Group
Montpelier, VT
- $150,000 to $154,000 USD / year
Our client seeks a Databricks Data Engineer to design, build, and maintain scalable, reliable, and secure data pipelines, infrastructure, and systems that support consulting services and…
Added 1 hour ago
Quality Manager - South Central District
Kiewit
Abilene, TX · El Paso, TX · Terlingua, TX
This position is embedded within a dynamic environment where strategic infrastructure initiatives are underway across Texas, Louisiana, and Mississippi. These projects support the…
Added 1 hour ago
Software Development Engineer II - Regression Infrastructure, Trainium Manufacturing Infrastucture
Amazon
Austin, TX
Our Annapurna Labs team at Amazon is looking for a Software Development Engineer to own the regression infrastructure that every manufacturing software release depends on. Before new test…
Added 1 hour ago
EG
Databricks Data Engineer
Eliassen Group
Austin, TX
- $150,000 to $154,000 USD / year
Our client seeks a Databricks Data Engineer to design, build, and maintain scalable, reliable, and secure data pipelines, infrastructure, and systems that support consulting services and…
Added 1 hour ago
EG
Cloud Engineer
Eliassen Group
Austin, TX
- $70 to $88 USD / hour
Our client seeks a senior Cloud Engineer to own and stabilize a legacy GCP and Azure footprint while assisting with conversions and decommissioning. The role will support automation efforts…
Added 1 hour ago
Solutions Engineer
Cisco Systems, Inc.
Remote, United States
…seeking a proactive, highly technical, and AI-first Solutions Engineer to step in and co-own our business in the…
Added 1 hour ago
DevOps Engineer
Aravo Solutions, Inc.
Remote, United States
Manage and improve CI / CD pipelines and infrastructure as Code (IaC), focusing on engineering efficiency, quality, and security, to accelerate deployment cycles.
Added 1 hour ago
Software Engineer
Cisco Systems, Inc.
Milpitas, CA
At Cisco, we’re revolutionizing how data and infrastructure connect and protect organizations in the AI era – and beyond. We’ve been innovating fearlessly for 40 years to create solutions…
Added 1 hour ago
AC
Staff / Principal Data Engineer
AppGate Cybersecurity, Inc.
Remote, United States
- $180,000 to $270,000 USD / year
…360 Fraud Protection. We are hiring a Staff or Principal Data Engineer to own the data platform and data lake at the heart of that work. You work hands-on and own the domain end-to-end,…
Added 1 hour ago
AC
Staff / Principal Platform Engineer
AppGate Cybersecurity, Inc.
Remote, United States
- $185,000 to $270,000 USD / year
We’re looking for a Staff or Principal Platform Engineer to build and operate the foundational platform behind AppGate’s AI products. You combine deep DevOps and cloud infrastructure…
Added 1 hour ago
AC
Senior Sales Engineer
AppGate Cybersecurity, Inc.
Remote, United States
- $175,000 to $225,000 USD / year
The Senior Sales Engineer (SE) is the senior pre-sales subject matter expert for AppGate ZTNA and owns the technical engagement with commercial prospects from first meeting through…
Added 1 hour ago
AC
Senior Sales Engineer
AppGate Cybersecurity, Inc.
Remote, United States
- $175,000 to $225,000 USD / year
The Senior Sales Engineer (SE) is the senior pre-sales subject matter expert for AppGate ZTNA and owns the technical engagement with commercial prospects from first meeting through…
Added 1 hour ago
AC
Senior Sales Engineer
AppGate Cybersecurity, Inc.
Remote, United States
- $175,000 to $225,000 USD / year
The Senior Sales Engineer (SE) is the senior pre-sales subject matter expert for AppGate ZTNA and owns the technical engagement with commercial prospects from first meeting through…
Added 1 hour ago
AC
Senior/Staff/Principal AI/ML Engineer - Agentic AI Security
AppGate Cybersecurity, Inc.
Remote, United States
- $180,000 to $300,000 USD / year
If you are an experienced AI/ML Engineer who has built identity or network threat detection platforms at scale and wants your next platform to protect the people and infrastructure the…
Added 2 hours ago
C
Software Engineer Data & AI II (Full Time) – United States
Cisco
San Jose, CA · RTP, NC · San Francisco, CA · Seattle, WA · Carlsbad, CA
- Full-time
You are a passionate software engineer with expertise in developing scalable data pipelines, designing robust analytics platforms, and building infrastructure to support machine learning…
Added 2 hours ago
Software Engineer - AI & Agentic Systems
Cisco Systems, Inc.
Remote, United States
…web-scale, cloud, service provider, enterprise, and AI networking infrastructure. The Silicon One Software team develops the comprehensive SDK software stack that enables our…
Added 2 hours ago
Senior Software Engineer, Network Platform Security
Cisco Systems, Inc.
Milpitas, CA
Join the Infrastructure Engineering team as a Software Engineer and help redefine how networking problems are solved. You will develop innovative software for next-generation networking…
Added 2 hours ago
Principal Engineer Software Security Hybrid
Cisco Systems, Inc.
RTP, NC · San Jose, CA · Austin, TX · Chicago, IL
As a Principal Engineer on the AI Security team, you will be a senior technical authority shaping the security standard for every AI capability Cisco ships - to customers, partners, and…
Added 2 hours ago
Remote Lead Software Engineer for a Healthcare Company
Pearl
Remote, United States
…afford them. It is looking for a Founding Senior Full-Stack Engineer to build the products that increase the supply of donated…
Added 2 hours ago
Remote Lead Software Engineer for a Healthcare Company
Pearl
Remote, United States
…afford them. It is looking for a Founding Senior Full-Stack Engineer to build the products that increase the supply of donated…

Lightmatter

Sr/Staff Digital Design Engineer

Mountain View, CA, United States

$164,000 - $222,000 USD

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Job details

Pay: $164,000 - $222,000 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.

$164,000 - $222,000 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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