Jobs in the United States

25+ jobs

Save this search

Added 1 min ago
KT
SUE Field Technician 4
KCI TECHNOLOGIES INC
Amesbury, MA
- $35 to $45 USD / hour
KCI is currently ranked #50 on Engineering News-Record's list of the Top 500 design firms in the nation.
Added 6 mins ago
Full Stack Engineer
Pogo Technologies, Inc.
Remote, United States
- Work closely with engineering, product, and design to plan, architect, and ship features
Added 20 mins ago
Plumber/ Pipefitter
Smith & Wesson
Springfield, MA
Assist in the design, layout and engineering for the installation of new systems and devices
Added 29 mins ago
Technology Delivery Leader
Genpact LLC
Chicago, IL
Work closely with business development, customers’ business and engineering teams & internal engineering teams
Added 39 mins ago
Space Operations Subject Matter Expert (SME)
Raft Company Website
Colorado Springs, CO
…the mission by working directly with operational units and engineering teams to develop and deliver mission-focused software…
Added 41 mins ago
Energy Storage System (ESS) Intern (Summer)
REGENT
North Kingstown, RI
…a boat. Capable of 180 miles at 180 mph on today's battery tech (and up to 400 miles with next-gen batteries), Seagliders will unlock fast, affordable, and sustainable coastal transit for…
Added 41 mins ago
Electric Propulsion Unit (EPU) Intern (Summer)
REGENT
North Kingstown, RI
…a boat. Capable of 180 miles at 180 mph on today's battery tech (and up to 400 miles with next-gen batteries), Seagliders will unlock fast, affordable, and sustainable coastal transit for…
Added 45 mins ago
C
Staff Quantum Physicist, Hardware Systems
ColdQuanta
Louisville, CO
- $190,000 to $230,000 USD / year
Design and analyze experiments and physics-based models to improve gate fidelity, stability, availability, and processor performance; guide architecture and engineering tradeoffs.
Added 46 mins ago
TI
Sales Development Representative
Trimble Inc.
Westminster, CO
- $24 to $28 USD / hour
Added 46 mins ago
Senior Manager, Customer Success
Trimble Inc.
Westminster, CO
…it' s helping customers build and maintain infrastructure, design and construct buildings, optimize global supply chains or map the world, Trimble is at the forefront, driving productivity…
Added 46 mins ago
Product Manager
Trimble Inc.
Westminster, CO
…Whether it's helping customers build and maintain infrastructure, design and construct buildings, optimize global supply chains or map the world, Trimble is at the forefront, driving…
Added 46 mins ago
TI
Sales Development Representative
Trimble Inc.
Westminster, CO
- $29.28 USD / hour
Added 46 mins ago
PT
Flight Sciences Engineer
PDS Tech Commercial
Englewood, CO
- $60.02 USD / hour
Do you thrive on solving complex engineering challenges and bringing innovative concepts to life? PDS Tech Commercial is seeking an experienced Flight Sciences Engineer to join a…
Added 59 mins ago
CM
Senior Frontend Engineer (Analytics Product Lead)
Capital Markets Gateway
Seattle, WA · Chicago, IL
- $180,000 to $200,000 USD / year
You will collaborate closely with product managers, back-end engineers, and engineering leaders to translate complex business requirements into clean, maintainable code. You will contribute…
Added 1 hour ago
Senior Manager, Safety AI
Samsara
Remote, United States
You are a team player: Working on our Samsara Engineering teams requires a mix of independent effort and collaboration. Motivated by our mission, we’re all racing toward our connected…
Added 1 hour ago
Actuation Engineering Intern (Summer)
REGENT
North Kingstown, RI
This role sits within our Electrical Systems team, part of Engineering & Technology, where hands-on rigor and clear-eyed evaluation matter as much as clever design. You'll be given…
Added 1 hour ago
LillyDirect Pharmacy Master Data Technical Lead
Lilly
Indianapolis, IN
8+ years of professional experience in data engineering or software engineering, including 3+ years as a tech lead, principal engineer, or senior individual contributor.
Added 1 hour ago
Advisor/Sr Advisor/Director – Manufacturing Science
Lilly
Indianapolis, IN
…cycle transfer between freeze-dryers of differing scale and design) to support commercial launch…
Added 1 hour ago
LillyDirect Pharmacy DevOps Engineer
Lilly
Indianapolis, IN
Design, build, and maintain CI/CD pipelines for data workloads using GitHub Actions or similar tools, with automated testing, security scanning, and approvals.
Added 1 hour ago
Lead, Chief Engineer
L3Harris
Huntsville, AL
…award concept development and proposal preparation through design, testing, verification, production, deployment, and operational acceptance. The Chief Engineer will lead the engineering…
Added 1 hour ago
Sr. Specialist, Quality Engineering
L3Harris
Huntsville, AL
L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air,…
Added 1 hour ago
Specialist , Project Engineering
L3Harris
Huntsville, AL
L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air,…
Added 1 hour ago
Autonomous Systems Project Engineer- Launched Effects
Integration Innovation, Inc. (i3)
Huntsville, AL
i3 is searching for an Autonomous Systems Project Engineer to serves as the technical innovator and engineering lead driving the development, integration, and flight-testing of…
Added 1 hour ago
Multi Functional Info Systems Analyst Asc - E1
Lockheed Martin
Huntsville, AL
…opportunity to work with cutting-edge technology in a high-tech manufacturing and engineering environment? Look no further! We have an exciting opportunity for an IT Equipment Support…
Added 1 hour ago
Autonomous Systems Project Engineer
PPT Solutions, Inc.
Huntsville, AL
The Project Engineer serves as the technical innovator and engineering lead driving the development, integration, and flight-testing of next-generation uncrewed Launched Effects (LE)…

ColdQuanta

Staff Quantum Physicist, Hardware Systems

Louisville, CO, United States

$190,000 to $230,000 USD / year

Apply About employer

Applications open in a new tab.

Job details

Pay: $190,000 to $230,000 USD / year
Posting language: English
Posted: Nov 6, 2026

Original job description

Infleqtion is on a mission to commercialize atom-based quantum technologies that deliver orders-of-magnitude improvements in sensing and computing applications. As a deep-tech startup, we embrace a results-driven, fast-paced, and customer-focused approach to innovation. We are seeking self-motivated, energetic individuals with exceptional problem-solving and technical skills to help drive our Quantum Computing mission forward. We encourage applications from experimental physicists with expertise in Atomic, Molecular, and Optical (AMO) physics, particularly those with experience in the coherent control of quantum systems such as ultracold atoms, trapped ions, and diamond NV centers.

Role and Responsibilities

The responsibilities below represent the core scope of the role and may evolve based on business and program needs. This is a hands-on technical leadership role. Staff Quantum Physicists at Infleqtion remain deeply engaged in system development and operation while also providing technical direction, developing team members, and, where applicable, managing a small team. Depending on program needs, a Staff Quantum Physicist may lead the development of a hardware system or provide technical leadership across multiple teams.

Lead the design, integration, calibration, operation, and improvement of neutral-atom quantum computing systems and critical subsystems.
Translate program goals into technical requirements, experimental plans, performance targets, and technical direction across quantum processor design, Rydberg excitation, gate protocols, laser systems, calibration, and system integration.
Design and analyze experiments and physics-based models to improve gate fidelity, stability, availability, and processor performance; guide architecture and engineering tradeoffs.
Own critical systems through validation, troubleshooting, performance tuning, reliability improvement, and documentation; translate complex R&D objectives into prioritized work and drive cross-functional delivery.
Develop Python-based tools in Linux environments for experiment control, data analysis, calibration, automation, and operational support.
Review technical work and uphold team standards and best practices.
Manage up to six direct reports, including expectations, performance, coaching, and career development.
Contribute to hiring, proposals, intellectual property, technical roadmaps, and external technical discussions

Requirements

PhD in atomic, optical, AMO, quantum physics, or a related field, or equivalent professional experience; typically 5+ years of relevant post-PhD experience or comparable experience leading complex quantum, atomic, optical, or precision-measurement systems.
Deep hands-on experience designing, operating, or improving complex AMO or coherent-control experiments, with strong knowledge of atom-light interactions and technologies such as lasers, optical systems, acousto-optic or electro-optic modulators, RF instrumentation, and ultra-high-vacuum systems.
Proficiency with Python for experiment control, data analysis, automation, or hardware integration, plus working knowledge of Linux, command-line tools, and version control.
Demonstrated ability to turn ambiguous technical goals into executable plans and validated outcomes, lead system-level work across disciplines, and communicate effectively with specialist and non-specialist audiences.

It is a plus if you have:

Experience with neutral-atom quantum computing, Rydberg physics, optical-tweezer arrays, quantum-gate characterization and optimization, or related processor architectures; familiarity with physical error mechanisms and quantum-error-correction requirements.
Experience with advanced laser and optical systems, including short-wavelength lasers, beam delivery and shaping, optical projection, high-NA imaging, noise mitigation, feedback control, and subsystem stabilization.
Experience integrating optical, electronic, vacuum, control, and software subsystems into complex experimental platforms.
Demonstrated technical leadership through mentoring, cross-team coordination, and delivery of complex technical programs; experience contributing to proposals, patents, roadmaps, customer discussions, or government-funded R&D.

Note

This position may require access to information protected under U.S. export control laws and regulations for quantum computing technology. Please note that any offer for employment may be conditioned on authorization to receive software or technology controlled under these U.S. export control laws and regulations without sponsorship for an export license.

WORKING CONDITIONS and PHYSICAL REQUIREMENTS

Work will normally be performed in an office and laboratory environment and around technical equipment including computers and lasers. We ask that candidates be able to efficiently use automated office equipment such as laptops, copiers, and printers; able to effectively engage in communications (via phone, computer, or in-person). Any required Personal Protective Equipment will be provided and must be properly used in accordance with company requirements.

TRAVEL

Up to 10% travel may be required.

Benefits

Salary Range: per year $190,000 - $230,000
100% company-paid medical, dental, vision, short/long-term disability
Employer-funded Health Savings Account
Unlimited PTO
401(k) match
Company-paid Life and AD&D Insurance
Flexible Savings Account
Paid FMLA, Maternity/Paternity Leave
Employee Assistance Program
Student Loan Repayment
Equity Program

Notice to Recruitment Agencies:

Infleqtion does not accept unsolicited resumes from agencies. Infleqtion is not responsible for any fees related to unsolicited resumes.

Apply About employer

Report this job