Jobs in the United States

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Added 2 mins ago
Industrial Controls Engineer
UnitedHealth Group
Mesa, AZ
As the Engineer in this capacity, you will be responsible for all aspects of industrial automations including Programmable Automation Controllers (PACs/PLCs), electrical systems, vision…
Added 6 mins ago
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Security Systems Engineer
Fluidstack
Remote, United States
- $224,000 to $275,000 USD / year
- The industry's playbook was written for one building at a time. Vendor-managed appliances, manual process, and standards that assume a security team walks the floor. None of that survives…
Added 6 mins ago
F
Platform Engineer
Fluidstack
Remote, United States
- $224,000 to $275,000 USD / year
…infrastructure (GitHub Actions, GitLab CI). Windows package and patch automation (Chocolatey, WSUS, Intune). Observability and alerting (Prometheus, Grafana). Physical security or building…
Added 7 mins ago
Lead Data Engineer - PySpark/Databricks/SQL/AWS
JPMC page
Wilmington, DE
As a Lead Data Engineer - PySpark/Databricks/SQL/AWS at JPMorganChase within the Corporate Technology, you are an integral part of an agile team that works to enhance, build, and deliver…
Added 12 mins ago
Applied AI Engineer
Snowplow
Remote, United States
An AI-native way of working you can show us. A workflow, automation or agent you built and still use. Expect to demonstrate it during the interview process.
Added 14 mins ago
Manager, Mastercam Center for Adv. Manf.
CNC SOFTWARE LLC
Tolland, CT
…the complete manufacturing lifecycle: consultation, design, process planning, programming, machining, inspection, analysis, and delivery of a finished…
Added 15 mins ago
Wireless and Edge Infrastructure Cybersecurity Engineer
Booz Allen Hamilton_United States
Annapolis Junction, MD
…AI infrastructure excite you? We are seeking a cybersecurity engineer who can harden, assess, and defend a lab-built system from the server BIOS up through the radio, and who is ready to…
Added 15 mins ago
MBSE & Digital Threads Engineer
Booz Allen Hamilton_United States
El Segundo, CA · Colorado Springs, CO · Aurora, CO
Apply Model-Based Systems Engineering (MBSE) to produce technical specifications, interface control documents, and architecture views that programs can use.
Added 16 mins ago
Principal IAM Engineer
Lantern
Remote, United States
This Principal IAM Engineer is a senior level, individual-contributor role and the technical authority for identity at Lantern. In an organization where the security perimeter is…
Added 17 mins ago
Sales Engineer
Ketryx
Boston, MA
…developing software in regulated environments and can articulate how automation can transform this process. You're equally comfortable discussing DevOps practices, regulatory requirements,…
Added 18 mins ago
Embedded Systems Engineer - Caro Area
The Pivot Group Network
Caro · Caro, MI
Hardware Engineer, Automation Engineer, Mechatronics Engineer, Test Engineer, Embedded Software Engineer, Firmware Engineer, Embedded Systems Developer, Controls Engineer, Electrical…
Added 19 mins ago
Senior DevOps Engineer
Ripple
Chicago, IL
The Senior Software Engineer, DevOps will contribute to the discovery, development, and implementation of solutions to improve infrastructure and release pipelines. These solutions will…
Added 19 mins ago
Senior DevOps Engineer
Ripple
Chicago, IL
The Senior Software Engineer, DevOps will contribute to the discovery, development, and implementation of solutions to improve infrastructure and release pipelines. These solutions will…
Added 22 mins ago
AI Specialist, G&A
UFORCE
Remote, United States
UFORCE builds uncrewed vessels, ground robotics and aircraft, autonomy software, and the command-and-control layer that operates them together. Each platform is deployable on its own, and…
Added 23 mins ago
Lead Digital Workplace Engineer
Valvoline Global
United States
The Lead Digital Workplace Engineer serves as the technical owner of Valvoline Global's endpoint platform and provides leadership for endpoint engineering services. This role is accountable…
Added 25 mins ago
Senior Analytics Engineer
Virta Health
Remote, United States
- Strong software engineering practices for data work, including version control, code review, automated testing, and controlled deployments. Working proficiency in Python or Go for…
Added 26 mins ago
Staff Engineer, Site Reliability
Babylist
United States
…AI tools are as natural to our workflow as an IDE or version control. We are not exploring this, we are living it. Our engineers use AI to explore tradeoffs, pressure-test designs, and move…
Added 26 mins ago
Staff Engineer, Site Reliability
Babylist
United States
…AI tools are as natural to our workflow as an IDE or version control. We are not exploring this, we are living it. Our engineers use AI to explore tradeoffs, pressure-test designs, and move…
Added 27 mins ago
Senior Network Engineer
The MITRE Corporation
Bedford, MA
The MITRE Corporation’s Communications System Engineering (CSE) Department (L617) is seeking a Senior Network Engineer to support the Department of the Air Force Command, Control,…
Added 30 mins ago
E
AI/ML Engineer
Eurofins
Groton, CT
- $22 to $24 USD / hour
We are seeking a highly motivated AI/ML Engineer to support the development of Generative AI-based digital tools and platforms in a pharmaceutical R&D environment. The successful candidate…
Added 33 mins ago
Injection Mold Process Engineer
Actalent
Auburn, AL
Job Title: Injection Mold Process EngineerJob DescriptionThe Injection Mold Process Engineer is responsible for developing, optimizing, and maintaining injection molding processes to…
Added 33 mins ago
A
Controls Engineer
Actalent
Minneapolis, MN
- $50 to $65 USD / hour
Job Title: Controls EngineerJob DescriptionThe Controls Engineer designs and programs controls systems for complex automated machinery, taking ownership of assigned machines, machine…
Added 36 mins ago
Electrical Engineering Lead
KBR Technical Services, Inc.
Houston, TX · Huntsville, AL
…entire asset life cycle. These include world-class licensed process technologies, differentiated advisory services, deep technical domain expertise, energy transition solutions, high-end…
Added 36 mins ago
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Senior Security Engineer, AI
Justworks
NY
- $188,000 to $242,000 USD / year
Drive process improvement and control implementation projects in coordination with the larger Digital Technology team at Justworks.
Added 37 mins ago
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Data Architect, BI Analytics Platform
Assured
Remote, United States
- $210,000 to $270,000 USD / year
Git workflows, code review, CI/CD, automated testing, and environment promotion are second nature. You favor automation over manual process and written decisions over tribal knowledge.

CScale

EVT/DVT Engineer (Optics & Photonics)

Palo Alto, CA, United States

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Job details

Experience: BS/MS in Optics, Physics, Electrical Engineering, or a related field with 4+ years of industry experience, or a PhD with 1+ year of industry.
Posting language: English
Posted: Oct 30, 2026

Original job description

CScale is building the interconnect for gigawatt-scale AI. As AI scale-up moves toward deployments spanning thousands of accelerators and dozens of racks, the network needs to deliver high bandwidth, predictable low latency, and continuous communication. CScale is building integrated optical interconnect designed for this new scale, enabling accelerators to work together like a single, much larger computer. But at this scale, performance is only part of the challenge. Optical failures are inevitable, and the system needs to keep running. CScale is designing the interconnect for continuity. Lasers will fail. Compute shouldn’t. The ambition is simple: Build AI interconnect you can take for granted. CScale came out of stealth in September 2026 with $145 million in Series C funding, bringing total funding to $188 million.

We are hiring an EVT/DVT Engineer to run the optical and photonic experiments that take our photonic hardware from first silicon to design-validated product. You will build test setups, handle bare semiconductor devices, and turn measurements into clear go/no-go decisions.

This is a hands-on lab role in a fast-paced engineering build-up. We are looking for someone who likes to stand up new setups quickly, debug at the bench, and own results end to end.

What you'll do

Plan and execute EVT and DVT test campaigns for photonic integrated circuits, lasers, and optical subassemblies: test plans, sample sizes, pass/fail criteria, and reports.
Design, build, and align free-space and fiber-coupled optical test setups, including fiber-to-chip coupling, polarization control, and power, spectral, and loss measurements.
Characterize semiconductor optical devices: LIV curves, spectra, SMSR, RIN, responsivity, dark current, insertion loss, extinction ratio, and wavelength tuning etc.
Handle bare die, chips on carrier, and wafers safely: ESD control, probing, die attach, and cleanroom or clean-bench practices.
Run environmental and reliability tests (temperature cycling, thermal sweeps, humidity) and track performance drift.
Automate measurements and data collection and analyze results to find root causes and feed fixes back to design and process teams.
Stand up new stations quickly as the program scales, and write procedures so others can run them.
Work closely with photonics design, electronics, packaging, and manufacturing engineers to move hardware through build phases on schedule.

Required qualifications

BS/MS in Optics, Physics, Electrical Engineering, or a related field with 4+ years of industry experience, or a PhD with 1+ year of industry.
Strong hands-on experience in optics and photonics experimentation: building and aligning optical setups, fiber handling and splicing, and making repeatable measurements.
Experience handling and testing semiconductor devices such as laser diodes, photodetectors, modulators, or PICs, including probing and ESD-safe practices.
Working knowledge of optical test equipment: power meters, optical spectrum analyzers, tunable laser sources, SMUs, and oscilloscopes.
Comfort in a fast-paced build-up environment: you prioritize, adapt quickly, and get hardware working at the bench.
Clear documentation and communication of test results to cross-functional teams.

Preferred qualifications

Knowledge of optical communications: WDM/CWDM grids, transceiver specs, link budgets, NRZ and PAM4 or coherent modulation.
Experience with high-speed optical measurements: eye diagrams, BER testing, equalization, and electro-optic bandwidth.
Prior work on silicon photonics or III-V platforms, including wafer-level or die-level PIC testing.
Direct experience with EVT/DVT/PVT phase gates, design-of-experiments, and statistical analysis.
Instrument automation with PyVISA/SCPI and building multi-channel automated test stations.

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