Jobs in the United States

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Engineering Technician (Civil)
United States Army Installation Management Command
Fort Carson, CO
- $76,650 to $99,650 USD / year
…studies assigned to A-E firms, the Corps of Engineers, or other design service and construction activities, from assignment of the project to acceptance of construction. | Develops project…
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US
Engineering Technician (Civil)
United States Army Installation Management Command
Fort Carson, CO
- $76,650 to $99,650 USD / year
…studies assigned to A-E firms, the Corps of Engineers, or other design service and construction activities, from assignment of the project to acceptance of construction. | Develops project…
Added just now
SS
IT Specialist - Top Secret Security Software Engineer
Social Security Administration
Woodlawn, MD
- $121,785 to $158,322 USD / year
Provides the expert analysis, design, development, implementation, and support of systems control software including operating... | [cont'd] systems, multi-user utilities, locally prepared…
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VA
Statistician (Data Scientist)
Veterans Affairs, Inspector General
Nashville, TN · Kansas City, MO · Seattle, WA · Denver, CO · Chicago, IL
- $76,463 to $99,404 USD / year
Provide advice and guidance on the appropriate selection and use of data modeling sampling and analysis methods to produce defensible results and survey design and analysis issues.
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VA
Statistician (Data Scientist)
Veterans Affairs, Inspector General
Nashville, TN · Kansas City, MO · Denver, CO · Chicago, IL · Seattle, WA
- $76,463 to $99,404 USD / year
Provide advice and guidance on the appropriate selection and use of data modeling sampling and analysis methods to produce defensible results and survey design and analysis issues.
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GENERAL ENGINEER
Naval Air Systems Command
Patuxent River, MD
- $143,913 to $187,093 USD / year
…and recommending appropriate technical changes throughout the design process; (4) Conducting periodic system design reviews with representatives from all agency operating groups and…
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OO
Intelligence Operations Specialist
Office of Intelligence and Analysis
District of Columbia, DC
- $121,785 to $158,322 USD / year
Design, develop and deliver high-quality intelligence instruction.
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LB
Aircraft Pilot (Direct Hire)
Lyndon B. Johnson Space Center
Houston, TX
- $161,169 to $197,200 USD / year
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LB
Aircraft Pilot (Helicopter) (Direct Hire)
Lyndon B. Johnson Space Center
Houston, TX
- $145,480 to $189,126 USD / year
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CF
Supervisory Statistician (Health)
Centers for Disease Control and Prevention
Hyattsville, MD
- $169,279 to $197,200 USD / year
Leading the design and dissemination of statistical and analytical products, including major publications and data query systems, to communicate research findings and support data-driven…
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Components Manufacturing Engineer I, First Shift
Relativity Space
Long Beach, CA
…propulsion to stage systems, enabling a more integrated and informed design approach. Engineers own every aspect of multiple products and integrate with partner teams such as Propulsion,…
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ServiceNow Platform Administrator
CACI
Chantilly, VA · Chantilly
· Assist with production troubleshooting and providing logs, data, artifacts in support of the environment.
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Sr. Manager - Account Management, Intermodal
Uber Freight
Chicago, IL
Build a data-driven culture of continuous improvement, form creative strategic relationships across the organization, and use contextual awareness to make trade-offs and manage through…
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GO
Product Line Manager
Gathr Outdoors
Brentwood, TN
- $90,000 to $115,000 USD / year
…Each segment provides industry-leading product development, design, and customer…
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TU
Enterprise Risk & Compliance Manager
Touro University
New York, NY
- $150,000 USD / year
Design, implement, and continuously enhance the institution's Enterprise Risk Management framework, aligned with COSO ERM and higher education best practices.
Added 1 min ago
Senior Software Engineer – Identity Resolution
Acxiom LLC
Remote, United States
Strong understanding of software engineering principles, object-oriented design, data structures, algorithms, and design patterns.
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Senior Training and Performance Analyst
Harkcon Inc
Remote, United States
…who can examine job tasks, training requirements, performance data, policy, and operational feedback and convert the findings into clear recommendations, updated requirements, and usable…
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Maritime Credentialing Project Manager
Harkcon Inc
Remote, United States
Identify policy, process, data, and communication barriers that delay or complicate credential attainment and recommend practical improvements.
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Quality Assurance Manager (Onsite | Tallahassee, FL - People First Call Center)
NorthgateArinso LLC
United States
…international workforce management. Operating in 180+ countries, we design and deliver people-first solutions powered by cloud-based technology – helping organizations grow and enabling…
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Staff Machine Learning Engineer
Ethos Life
Remote, United States
…development into product and marketing workflows. You'll partner with data scientists and product engineers to build deployment pipelines, feature stores, monitoring systems, and retraining…
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Building Automation Specialist-HVAC
University of Iowa
IA
Analyze system data and trends to identify equipment failures, performance drift, and opportunities for preventive maintenance.
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PJ
Senior Software Engineer
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Remote, United States
- $203,000 to $254,667 USD / year
System Design: Designing large-scale distributed systems by defining requirements, APIs, data models, service boundaries, storage solutions, reliability mechanisms, performance targets, and…
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Cx Agent/Engineer (Full-Time)
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New Haven, CT
- Full-time
…K-12 school, water/wastewater, higher education, healthcare, data centers, laboratory facilities, transportation, ports, or marina projects. Familiarity with ASHRAE commissioning guidelines…
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Risk Advisor, Employee Benefits
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Glastonbury, CT
Educate employers on Employee Benefits strategy, financial models, compliance considerations, and plan design.
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Risk Advisor, Employee Benefits
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Educate employers on Employee Benefits strategy, financial models, compliance considerations, and plan design.

Lightmatter

Embedded Software Engineer

Boston, MA, United States

$125,000 - $145,000 USD

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Job details

Pay: $125,000 - $145,000 USD
Experience: BS or MS degree in Electrical Engineering, Computer Engineering, Computer Science, or equivalent, and 2+ years of professional experience in embedded software engineering.
Posting language: English
Posted: Nov 4, 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!

About the Role

At Lightmatter, we build photonic interconnect chips designed for large-scale AI compute clusters. As an Embedded Software Engineer for our products. You will develop the control, telemetry, monitoring, and stabilization firmware that maintains the health and lock of our optical transceivers, alongside the tooling required for system bring-up. Collaborating directly with systems, digital, analog, and photonics engineers, you will develop well-defined firmware components through their full lifecycle - from initial requirements to final release - while acquiring deep domain expertise in an emerging field.

Core Responsibilities

Develop the lifecycle (requirements, bring-up, testing, and release) of well-defined optical transceiver firmware modules covering control, telemetry, diagnostics, and monitoring.
Implement and refine photonic control and stabilization loops on embedded targets in partnership with analog and photonics design teams.
Partner with hardware engineers during new board bring-up, utilizing oscilloscopes, logic-analyzers, JTAG, and GDB for debugging.
Participate in control and diagnostics design reviews, documenting findings for cross-functional engineering teams.
Operate independently with guidance at key project milestones.

Qualifications

Experience delivering firmware to production hardware or customers, with clear ownership of specific components.
Proficiency in C or C++ on resource-constrained targets, combined with Python skills for prototyping, test creation, and data analysis.
Solid understanding of embedded communication buses and peripherals (SPI, I2C, GPIO, UART) and hardware–software co-integration.
Hands-on lab debugging skills using JTAG/GDB, logic-analyzers, and oscilloscopes.
Familiarity with Git and build toolchains such as CMake.
BS or MS degree in Electrical Engineering, Computer Engineering, Computer Science, or equivalent, and 2+ years of professional experience in embedded software engineering.

Preferred Qualifications

Experience developing bare-metal firmware and working with RTOS environments (e.g., Zephyr, FreeRTOS).
Experience with hardware-in-the-loop (HIL) test setups, test automation, or firmware CI pipelines.
Knowledge of Embedded Linux and device driver development.
Experience working with optical transceivers, photonic platforms, or high-precision analog/mixed-signal hardware.
Domain understanding in laser physics or wavelength and thermal control systems.

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.

$125,000 - $145,000 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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More about this job

Skills

Firmware
Photonics
Debugging
C
C++
Python
Data analysis
Communication skills
Git
CMake
Electrical engineering
Computer engineering
Computer science
RTOS
Test automation
Linux
Control systems

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