380,086open jobs
9,917companies
49,708added this week
Browse all
Salary
$145k – $170k per year
Location
In office (Chicago)
Employment
Full-Time
Overview
Company
Impact
Profile match
Infleqtion is a quantum technology company headquartered in Boulder, Colorado, and founded in 2007 under the name ColdQuanta. The company builds products from cold atom physics, including quantum computers, atomic clocks, radio frequency sensors, and inertial navigation systems that work where satellite signals are unavailable. It supplies research institutions, defense agencies, and commercial customers, and took its current name in a 2022 rebrand.

We are seeking a Software Engineer, Quantum Systems & Digital Engineering to develop advanced software tools for the design, simulation, integration, and manufacturing of complex quantum systems.

This role will focus on building modular software environments that connect models, data, and engineering workflows across multiple technical domains. Initial applications will include digital-twin and design-automation capabilities for quantum sensing systems, with broader opportunities to contribute to software infrastructure supporting quantum system development, manufacturing, test, and deployment.

The ideal candidate combines strong scientific software engineering skills with familiarity in model-based systems engineering, multiphysics simulation, high-performance computing, machine learning and optimization. This individual will work closely with physicists, systems engineers, optical and mechanical engineers, manufacturing teams, and software developers to turn fragmented engineering workflows into scalable, integrated software platforms.

Job Responsibilities

  • Develop and maintain modular software platforms that integrate models, data, and engineering workflows across RF, optical, mechanical, atomic physics, and other technical domains.
  • Build interfaces between engineering and scientific computing tools, enabling coordinated simulation, analysis, optimization, and design workflows.
  • Support model-based systems engineering (MBSE) activities by developing software tools that connect requirements, models, interfaces, parameters, verification data, and system-level performance.
  • Develop HPC- and GPU-enabled workflows for parameter sweeps, sensitivity analysis, tolerance studies, optimization, and computationally intensive simulation.
  • Apply numerical optimization, reduced-order modeling, surrogate modeling, machine learning, and other data-driven techniques to accelerate engineering design and improve manufacturability.
  • Develop APIs, data models, schemas, visualization tools, and workflow orchestration capabilities that enable reliable exchange of information across heterogeneous engineering tools.
  • Collaborate with domain experts to validate models against experimental data and translate engineering needs into maintainable, production-quality software.
  • Embrace and help establish effective use of AI-assisted software engineering tools to accelerate development, testing, documentation, debugging, code review, and engineering analysis while maintaining strong software quality and technical rigor.

Requirements

  • BS or MS in Computer Science, Physics, Applied Mathematics, Electrical Engineering, Mechanical Engineering, Systems Engineering, or a closely related field.
  • Strong scientific or engineering software-development experience, with high proficiency in Python and familiarity with modern numerical and scientific-computing libraries.
  • Experience developing software that integrates multiple simulation, modeling, engineering, or scientific computing tools.
  • Strong understanding of numerical methods, optimization, simulation, data analysis, or computational modeling.
  • Familiarity with systems engineering concepts, including requirements, interfaces, system architecture, verification and validation, trade studies, or multidisciplinary engineering workflows.
  • Experience with professional software-engineering practices including version control, automated testing, CI/CD, documentation, modular architecture, and maintainable API design.
  • Demonstrated ability to collaborate effectively with scientists and engineers across multiple technical disciplines.
  • Demonstrated ability and enthusiasm for using modern AI-assisted development tools to improve software-engineering productivity and quality.

Preferred Qualifications

  • Advanced degree in physics, engineering, computer science, applied mathematics, systems engineering, or a related computational discipline.
  • Experience with model-based systems engineering (MBSE) tools, methodologies, or standards, such as SysML, digital thread approaches, requirements traceability, or model-centric engineering workflows.
  • Experience with multiphysics or engineering platforms such as Ansys, Zemax OpticStudio, SolidWorks, COMSOL, MATLAB/Simulink, or similar tools.
  • Experience developing digital twins, simulation orchestration frameworks, engineering automation tools, or model-based design environments.
  • Experience with machine learning, surrogate modeling, Bayesian optimization, uncertainty quantification, or design-space exploration.
  • Familiarity with quantum technologies, optical systems, RF systems, atomic physics, precision sensing, or other complex physical systems.
  • Experience with HPC, GPU acceleration, distributed computing, or cloud-based scientific-computing environments.
  • Experience applying generative AI, coding agents, or other AI-enabled tools within scientific or engineering software-development workflows.

Benefits

  • Salary range: $145,000 to $170,000 per year
  • 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 Package

Equal Opportunity

Here you have freedom to embrace your whole self: who you love, your gender identity and expression, skin color, age, appearance, disability, neurodiversity, DNA, military/veteran status, citizenship, and other factors that make up who you are. Your uniqueness is valued, welcomed, and appreciated here. We are dedicated to providing a positive workplace and base all employment decisions on your qualifications, performance, merits, as well as business needs. We are proud to be an Equal Employment Opportunity Employer.

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.

Contact Information

If this opportunity interests you and you fit the job description, please submit an application. If you need assistance or an accommodation due to disability, please feel free to contact us at [email protected].

Notice to Recruitment Agencies:

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

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
380,086 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Similar stack
Same company
Chicago
$131k – $205k per year • In office • Full-Time • 8+ years exp • Bachelor's Degree • Houston • Taipei
C++
Python
DevOps
CI/CD
Git
RTOS
Apply
$87k – $174k per year (Estimated) • In office • Full-Time • 10+ years exp • London
Bash
Go
Python
Ruby
DevOps
Ansible
AWS
Azure
Chef
CI/CD
Docker
Docker Compose
Dynatrace
GCP
GitHub
GitHub Actions
Grafana
Helm
Jenkins
Kubernetes
Prometheus
Splunk
Terraform
Apply
$127k – $225k per year (Estimated) • Equity • Remote • Full-Time • 8+ years exp • PhD • United States • Canada
Python
SQL
Databases
Apache Kafka
Kafka
AI/ML
AI Agents
Anomaly Detection
Embeddings
Feature Store
Hybrid Search
Knowledge Graph
NLP
RAG
Recommender Systems
Reinforcement Learning
Spark
Time Series Forecasting
DevOps
Amazon S3
Kubernetes
Vector
Cybersecurity
Crowdstrike
Analytics
A/B Testing
Apply
$33k – $86k per year (Estimated) • In office • Full-Time • 5+ years exp • Bengaluru
Java
Java
Spring Boot
DevOps
CI/CD
Apply
Full Stack Engineer 1 hour ago
$26k – $70k per year (Estimated) • In office • Full-Time • 5+ years exp • Chennai
JavaScript
DevOps
CI/CD
Apply
$68k – $170k per year (Estimated) • Equity • Remote/Hybrid • Full-Time
DevOps
Azure
Hyper-V
Platform Engineering
VMWare
Cybersecurity
Least Privilege
Microsoft Entra ID
Apply
IT Support Analyst 1 day ago
$43k – $98k per year (Estimated) • Equity • Remote/Hybrid • Full-Time
Apply
$153k – $203k per year • Equity • Remote/Hybrid • Full-Time • Bachelor's Degree • Louisville
Apply
$97k – $195k per year (Estimated) • In office • Full-Time • Louisville
C++
Python
Rust
DevOps
Git
Apply
$145k – $170k per year • Equity • In office • Full-Time • Bachelor's Degree • Chicago
C++
Go
JavaScript
Julia
Python
Rust
Python
Django
FastAPI
Flask
SQLAlchemy
Databases
PostgreSQL
AI/ML
CUDA
CUDA Toolkit
Frontend
React.js
DevOps
AWS
Azure
CI/CD
Docker
GCP
gRPC
Kubernetes
HPC
Quantum
Cirq
PennyLane
Qiskit
Apply
$166k per year • Equity • In office • Full-Time • 5+ years exp • Bachelor's Degree • Chicago
Python
Java
Java
Apache Tomcat
Databases
OpenSearch
Oracle
DevOps
Amazon CloudWatch
Ansible
AWS
CI/CD
CloudFormation
Docker
GCP
Grafana
Istio
Jenkins
Kubernetes
Nginx
Prometheus
Terraform
Apply
$70k – $206k per year • Remote/Hybrid • Full-Time • 12+ years exp • Associate's Degree • Dallas • Milwaukee • Columbus • Kirkland • Cincinnati
C++
Java
Python
Rust
TypeScript
AI/ML
AI Agents
LLM
Model Context Protocol
DevOps
AWS
Azure
CI/CD
GCP
Apply
$130k – $270k per year • In office • Full-Time • 9+ years exp • Bachelor's Degree • Chicago
AI/ML
AI Agents
Amazon SageMaker
AWS Bedrock
AWS Bedrock AgentCore
Fine-tuning
LLM
LLM Guardrails
LLMOps
Model Context Protocol
OpenAI
Prompt Engineering
RAG
DevOps
AWS
AWS CDK
Azure
Bicep
CloudFormation
IAM
Terraform
Vector
Cybersecurity
GDPR
HIPAA
Microsoft Defender
Microsoft Defender for Cloud
Microsoft Entra ID
Apply
$94k – $294k per year • Remote/Hybrid • Full-Time • 12+ years exp • Associate's Degree • Dallas • Milwaukee • Columbus • Kirkland • Cincinnati
C++
Java
Python
Rust
TypeScript
AI/ML
AI Agents
LLM
Model Context Protocol
DevOps
AWS
Azure
CI/CD
GCP
Apply
$173k – $314k per year • Remote • Full-Time • 10+ years exp • PhD • San Francisco • Boston • Chicago • New York • Austin
AI/ML
Agentforce
AI Agents
LLM
LLM Guardrails
Marketing
Salesforce
Apply
See all jobs
This is one of many
380,086 more open roles from verified company boards, updated every day.