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C
.NET Full stack Engineer with C#
Cognizant
Harrisburg, PA
- $86,000 to $99,000 USD / year
As a Senior Software Engineer , you will make an impact by designing, developing, and modernizing enterprise healthcare payer applications that support critical business functions including…
Added just now
Java Full Stack Engineer with Spring boot/AWS Experience
Cognizant
Harrisburg, PA
7+ years of software development experience with Java/J2EE technologies.
Added just now
C
.NET Full stack Engineer with C#
Cognizant
Harrisburg, PA
- $86,000 to $99,000 USD / year
As a Senior Software Engineer , you will make an impact by designing, developing, and modernizing enterprise healthcare payer applications that support critical business functions including…
Added just now
C
.NET Full stack Engineer with C#
Cognizant
Harrisburg, PA
- $86,000 to $99,000 USD / year
As a Senior Software Engineer , you will make an impact by designing, developing, and modernizing enterprise healthcare payer applications that support critical business functions including…
Added just now
Network Operations Engineer
Meta
Harrisburg, PA
…with internal business teams, external vendors, network design/engineering, and other cross-functional teams to develop strategies for integrating new technologies and better supporting…
Added just now
AT
Senior Software Engineer
Akamai Technologies, Inc.
Harrisburg, PA
- $121,400 to $218,600 USD / year
Have 5+ years of software development experience and a Bachelor's degree in Computer Science or equivalent experience.
Added just now
Manager, GQO – Business Process Continuous Improvement
Otsuka America Pharmaceutical Inc.
Harrisburg, PA
Bachelor’s degree required; advanced degree in Business, Data Analytics, Information Systems, Quality Management, Engineering, or related field preferred.
Added just now
Senior Telecom Engineer
Maximus
Harrisburg, PA
Work with development teams throughout the software life cycle ensuring sustainable software releases.
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Mechanical Engineer, Data Center Operations Engineering
Meta
Harrisburg, PA
Demonstrated ongoing AI skill development (e.g., prompt/context engineering, agent orchestration) and staying current with emerging AI technologies
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Cyber Security Manager - Diego Garcia
Amentum
Harrisburg, PA
Amentum, a global leader in advanced engineering, technical, and professional services serving the US government, allies and critical infrastructure sectors, is seeking an FRCS…
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Engineering Project Manager - Turbine Mechanical Solutions
Emerson
Pittsburgh, PA
…varying durations up to 5 years, involving multi-disciplinary engineering, software configuration, and field…
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Executive Director, Network, Data Center and Communications Services - Computing Services
Carnegie Mellon University
Pittsburgh, PA
Develop and implement a cohesive, multi-year strategy across the portfolio, including infrastructure architecture, software platforms, management, and automation. Build automation into the…
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Business Development Manager Flexim (Remote)
Emerson
Pittsburgh, PA
Bachelor’s degree in Engineering, Business, a Technical field, or a related field
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H
Advanced Compute and Solutions Program Manager
HP
Fort Collins, CO · Spring, TX · Fort Collins · Spring
- $147,050 to $219,050 USD / year
…Solutions Program Manager is responsible for the integrated development and execution management of complex software and hardware programs for business initiatives or for the release of new…
Added just now
TA
Senior Software Engineer (Platform Engineering)-Remote, USA
Tempus AI, Inc.
Remote, United States
- $130,000 to $150,000 USD / year
The Senior Software Engineer is a hands-on technical leader responsible for architecting and delivering the Java-based services at the core of Ambry's platform modernization. This role…
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Staff Engineer - Merchandising Software
AEO Employment Services Co LLC
PITTSBURGH, PA
Added just now
Linear (Pipeline) Design Engineer
GANNETT FLEMING INC
Pittsburgh, PA
Added just now
Project Engineer, Geotechnical Dams & Hydraulics
GANNETT FLEMING INC
Pittsburgh, PA
Added just now
Principal / Sr. Principal Hydraulics Business Development Leader - Dams Market
Geosyntec Consultants
Pittsburgh, PA
Added just now
Advanced Forward Engineering - Implementation Engineer - Senior
EY
Harrisburg, PA · Pittsburgh, PA · Philadelphia, PA
In EY’s Office of the CTO, the Advanced Forward Engineering (AFE) team is comprised of cells of Forward Deployed Engineers (FDEs) that are embedded with our strategic customers to ensure…
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Site Civil Engineer PE
Woolpert, Inc
Philadelphia, PA
Added just now
Senior Solution Architect (Consumer Goods Cloud/Trade Promotion Management)
Salesforce
Philadelphia, PA
…in enterprise-level projects using both waterfall and agile software development methodologies throughout the whole life cycle with repeated and demonstrable success 2. 3+ years experience…
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Lead Product Manager, Healthcare Analytics & Ideation
Wolters Kluwer
Philadelphia, PA
…products that customers adopt and value, and investment-case development to help shape CSC’s future technology…
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Scrum Master
EPAM Systems
Philadelphia, PA · Conshohocken, PA · Newtown, PA
We are looking for a dedicated and proactive Agile Scrum Master to join our fast-paced software development environment. In this role, you will guide and coach high-performing engineering…
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Senior Director, Cybersecurity Data and Application
Penn Medicine
Philadelphia, PA
The role is responsible for protecting Penn Medicine's most critical information assets, applications, APIs, software development environments, databases, data platforms, and digital…

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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