← All jobs in United States

Unlimited leave · Systems Engineer

Senior Embedded Systems Engineer - Quantum Computing

Infleqtion · Boulder · United States

Full time USD 165k–190k / year Posted Open until 18 Oct 2026

The job, in the employer's words

Position Summary

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 engineers with expertise in high-performance signal processing in programmable logic, particularly those with experience in RF waveform synthesis, high-bandwidth control servos, image processing, or math accelerators.

At Infleqtion we embrace a startup mentality driven by results, urgency, and customer-focused innovation:

  • We break down barriers between disciplines, stepping in wherever we can make the biggest impact.
  • We thrive in uncertainty, embracing challenges as opportunities.
  • We move quickly to prototype while never losing sight of the critical importance of systems engineering process and attention to detail.
  • We take bold, calculated risks to drive progress.

JOB RESPONSIBILITIES

The duties and responsibilities outlined below include essential functions of the role. Depending on business needs, this role may perform a combination of some or all of the following duties. Duties, responsibilities, and activities may change, or new ones may be assigned at any time with or without notice.

  • Collaborate with physicists and across electrical, software, and opto-mechanical engineering domains to deliver optimal embedded system solutions for quantum applications.
  • Develop testable, performant, and scalable RTL using SpinalHDL.
  • Support hands on tuning and troubleshooting in laboratory and test bench environments
  • Architect processing chains with supporting analytical models to ensure that critical design requirements are met.
  • Embrace best modern software engineering practices to ensure robustness and maintainability and facilitate collaboration. This includes leveraging revision control, CI pipelines, static analysis tools, and automated build pipelines.
  • Participate in design, code, and data reviews.

Requirements

REQUIREMENTS

  • Bachelor's degree in engineering, computer science or related field and a minimum of 8 years prior work experience.
  • Expertise in working with industry standard hardware descriptive languages (Verilog, System Verilog, or VHDL)
  • Comfortable working in a Linux development environment and working with standard scripting languages (Python, bash)
  • Good verbal and written communication skills, able to effectively share information with technical and non-technical staff
  • Good collaboration skills, able to work in a team environment where engagement and participation are an expected part of successful job performance
  • Skilled in typical software engineering disciplines: testing, revision control (git), error-handling, readability, documentation, general code health, etc.
  • Desire to constantly improve and learn inside and outside of expertise

PREFERRED EXPERIENCE:

  • Expertise working with AMD Xilinx programmable logic devices (especially Zynq Ultrascale+ MPSoC).
  • Experience developing RTL in high level functional languages (especially Scala / SpinalHDL)
  • Expertise in developing HDL for one or more of the following applications:
    • RF waveform synthesis and processing
    • Modern closed-loop control systems (e.g. state space controllers)
    • Image processing
    • Matrix arithmetic accelerators
  • Familiarity with Embedded Linux OS distribution builds (nix, Yocto, or Buildroot)
  • Experience working with compiled languages for Linux and baremetal targets (especially Rust)
  • Experience leading small technical teams or projects

Benefits

The targeted salary range for this role is $165,000 to $190,000 on an annualized basis plus eligibility to participate in our annual incentive plan.

In addition to your base compensation, we offer a generous Total Rewards program which includes:

  • 100% company paid Employee coverage for Medical, Dental, Vision, and Short/Long Term Disability insurance programs
  • Employer funded Health Savings Account
  • Unlimited Paid Time Off
  • 401(k) Matching Programs
  • Company paid Life and AD&D Insurance
  • Flexible Healthcare Savings Account
  • Paid FMLA Leave
  • Paid Maternity/Paternity Leave
  • Employer Assistance Program
  • Student Loan Repayment

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.

Notice to Recruitment Agencies:

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

Benefits mentioned

  • The targeted salary range for this role is $165,000 to $190,000 on an annualized basis plus eligibility to participate in our annual incentive plan.

Requirements mentioned

  • Bachelor's degree in engineering, computer science or related field and a minimum of 8 years prior work experience.
  • Expertise in working with industry standard hardware descriptive languages (Verilog, System Verilog, or VHDL)
  • Comfortable working in a Linux development environment and working with standard scripting languages (Python, bash)
  • Good verbal and written communication skills, able to effectively share information with technical and non-technical staff
  • Good collaboration skills, able to work in a team environment where engagement and participation are an expected part of successful job performance
  • Skilled in typical software engineering disciplines: testing, revision control (git), error-handling, readability, documentation, general code health, etc.
  • Desire to constantly improve and learn inside and outside of expertise

No Mondays shows this listing as the employer published it. Check the details on the employer's site before you apply.

More unlimited leave jobs in United States

Tomorrow.io · Golden · yesterday

Sr Satellite Systems Engineer

Tomorrow.io is a leading weather intelligence and climate resilience platform helping organizations and governments make better decisions in a world of increasing weather…

Unlimited leaveFlexible hoursUSD 130k–165k / year
Ursa Major · Berthoud · yesterday

Staff Systems Engineer - Safety & Reliability

The future of aerospace and defense starts here. Ursa Major was founded to revolutionize how America and its allies access and apply high-performance propulsion, from hyp…

Unlimited leaveUSD 156k–195k / year
Sweetgreen · Los Angeles · 2 days ago

Retail Technology Systems Engineer

Retail Technology Systems Engineer Sweetgreen is on a mission to build healthy communities by connecting people to real food. We passionately believe that real food shoul…

Unlimited leaveUSD 105k–150k / year
OneTrust · Atlanta · 4 days ago

Senior AI Systems Engineer

Strength in Trust OneTrust’s mission is to enable innovation through the responsible use of data and AI. We believe that ensuring data is trusted shouldn’t slow teams dow…

Unlimited leave
CHAOS Industries · El Segundo · 6 days ago

Principal Systems Engineer

CHAOS Industries is redefining modern defense with a multi-product portfolio that gives the ultimate advantage—domain dominance. The company's products are powered by Coh…

Unlimited leaveUSD 198k–320k / year
CHAOS Industries · El Segundo · 6 days ago

Principal Mechanical Systems Engineer - IPT Lead

CHAOS Industries is redefining modern defense with a multi-product portfolio that gives the ultimate advantage—domain dominance. The company's products are powered by Coh…

Unlimited leaveUSD 198k–300k / year

6,163 live roles · See all →

Other roles at Infleqtion

Infleqtion · Kidlington · 2 days ago

Quantum Software Engineer - Algorithms & Applications

ABOUT THE COMPANY Infleqtion is a global quantum technology company solving the world’s most challenging problems. The company harnesses quantum mechanics to build and in…

Unlimited leave
Infleqtion · Louisville · 3 days ago

Senior Counsel - Government Contracts

Infleqtion is a global quantum technology company building quantum computers, sensors, and networks for commercial, industrial, and national security applications. As a p…

Unlimited leaveUSD 220k–270k / year
Infleqtion · Louisville · 3 days ago

Senior Counsel - Commercial & Strategic Transactions

Infleqtion is a global quantum technology company building quantum computers, sensors, and networks for commercial, industrial, and national security applications. As a p…

Unlimited leaveUSD 220k–270k / year
Infleqtion · Louisville · 3 days ago

Cloud Infrastructure Engineer - IT

Infleqtion is seeking an experienced Cloud Infrastructure Engineer to join our Information Technology team. This role is responsible for the engineering, administration, …

Unlimited leave
Infleqtion · Louisville · 4 days ago

Accounts Payable Manager - Finance and Accounting

Accounts Payable Manager About Infleqtion Infleqtion is a global quantum technology company solving the world’s most challenging problems. The company harnesses quantum m…

Unlimited leave
Infleqtion · Louisville · 8 days ago

Accounts Payable Specialist

Infleqtion is a global quantum technology company solving some of the world’s most challenging problems. We build and integrate quantum computers, sensors, and networks. …

Unlimited leave

49 live roles · See all →

Remote share — Systems Engineer jobs in United States

57% are remote

90 of 157 jobs we have listed

How long they stay open — Systems Engineer jobs in United States

50 days median time open before the listing ended

Based on 20 ended listings

Advertised pay — Systems Engineer jobs in United States

USD 177k median advertised pay / year

Middle half: USD 146k – USD 211k

From 123 listings that state pay