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SO
Principal Design Engineer
Salas O'Brien
Remote, United States
- $175,000 to $200,000 USD / year
TechSource, a Salas O'Brien company, is seeking a Design Engineer to support the Scorpius Accelerator Program at Los Alamos National Laboratory. This role is responsible for developing…
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Cyber Content Developer
Careers - IP Secure, LLC
Lackland, TX
CYBER CONTENT DEVELOPER/SIEM ENGINEER (33 NWS) - JBSA LACKLAND, SAN ANTONIO, TEXAS – TS/SCI REQUIRED
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AI Systems Engineer
Hyundai Motor Company
Superior Township, MI
Hyundai America Technical Center, Inc. (HATCI) is currently looking for an AI Systems Engineer at our Superior Township, MI facility. This position builds and operates a secure, scalable…
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Software Engineer II
CHATSWORTH PRODUCTS INC
Round Rock, TX
Must have knowledge of SQL databases and Python
Added 1 min ago
Test & Commission Manager
Lemartec
Edgerton, KS
The Commissioning Engineer plays a critical role in ensuring the successful start-up, testing, and validation of all systems within a data center facility. This position is responsible for…
Added 1 min ago
V
Solutions Engineer, Mid-Market
Vanta
Remote, United States
- $190,000 to $224,000 USD / year
As a Solutions Engineer, you’ll be leading the technical discussion with our key prospects & customers, making sure there’s nothing stopping our customers from using Vanta to its fullest…
Added 1 min ago
Process Engineer Sr.
SeAH Superalloy Technologies
Temple, TX
…practices, procedures, and housekeeping standards. The Process Engineer Sr. reports to the VP of Engineering and is responsible for developing, optimizing, and sustaining manufacturing…
Added 1 min ago
Project Manager - Water/Wastewater
Stantec
Richmond, VA · Virginia Beach, VA · Fairfax, VA · Washington, DC · Laurel, MD · Providence, RI
We’re looking for someone with strong technical expertise - someone who can evaluate and select systems, develop and review designs, run calculations, coordinate teams, and mentor junior…
Added 1 min ago
Senior Project Manager/Project Engineer
Stantec
Richmond, VA · Ashland, VA · Williamsburg, VA · Charlottesville, VA
Virginia Professional Engineer (PE) license required
Added 2 mins ago
ICBM Futures - Sr Mechanical Engineer
BAE Systems
Hill AFB, UT
You must possess high energy and be comfortable working with changing priorities
Added 2 mins ago
Senior Program Quality Engineer
BAE Systems
Nashua, NH
…diverse group of driven professionals who design the products and systems that support enhanced military capabilities, protect national security, and keep critical information and…
Added 2 mins ago
Software Engineer
BAE Systems
Annapolis Junction, MD
Job Description BAE Systems is looking for Software Engineers to support our government customer and collaborate directly with mission stakeholders, developers, and analysts to innovate and…
Added 2 mins ago
Test & Commission Manager
Lemartec
Edgerton, KS
The Commissioning Engineer plays a critical role in ensuring the successful start-up, testing, and validation of all systems within a data center facility. This position is responsible for…
Added 2 mins ago
IT Manager
Hearst
Cincinnati, OH
…of the WLWT Engineering Department and reports to the Chief Engineer, reflecting the department’s integrated approach to supporting station operations, production, technical, and…
Added 2 mins ago
Structural Analysis Engineer (Experienced & Senior)
The Boeing Company
Berkeley, MO
Boeing Test & Evaluation (BT&E) is seeking a Structural Analysis Engineer to support the Environmental Test Design Engineering team in Berkeley, MO.
Added 2 mins ago
Phantom Works Senior Systems Engineer
The Boeing Company
Berkeley, MO
Boeing Defense, Space & Security (BDS) is seeking Senior Systems Engineer (Level 5) to join the team in Berkeley, MO.
Added 2 mins ago
Guidance Nav & Control Engineer - Navigation Sys/Inertial Sensor (Senior)
The Boeing Company
El Segundo, CA
Boeing Defense, Space & Security (BDS), Space Mission Systems seeks a Senior Guidance Navigation and Controls Engineer to join our team in El Segundo, California to contribute to the entire…
Added 2 mins ago
Software Engineer (Experienced or Senior) | Advanced Ground Architecture (AGA)
The Boeing Company
Seal Beach, CA · Herndon, VA · El Segundo, CA · Colorado Springs, CO
The Boeing Company has an exciting opportunity for a Software Engineer to support our Advanced Ground Architecture team in Seal Beach, California; El Segundo, California; Colorado Springs,…
Added 2 mins ago
Associate Systems Engineer - Spacecraft Vehicle Engineer
The Boeing Company
Las Cruces, NM
Boeing Defense, Space & Security (BDS) is hiring for an Associate Systems Engineer - Spacecraft Vehicle Engineer (Level 2) to join the team in Las Cruces, NM.
Added 2 mins ago
Senior Software Engineer | Advanced Ground Architecture (AGA)
The Boeing Company
Seal Beach, CA · Herndon, VA · El Segundo, CA · Colorado Springs, CO
…and maintenance of complex, multi-tiered application software systems used to support the command and control of space vehicles. The software engineers will work day-to-day with system and…
Added 2 mins ago
Systems Engineer - Digital Signal Processing (Associate or Mid-level)
The Boeing Company
El Segundo, CA
Boeing Defense, Space & Security is seeking Associate or Mid-level Systems Engineers to join the Space and Launch Engineering team in El Segundo, California, to design and develop…
Added 2 mins ago
Quality Engineer
Samsung SDI America Inc
Auburn Hills, MI
On-site Support: Visit customer sites to address concerns, inspect purportedly defective products, and manage urgent issues at the front line.
Added 3 mins ago
Senior GNC Engineer
K2 Space
Los Angeles, CA
As a Senior GNC engineer, you will be a core driver of the overall spacecraft GNC architecture. You will execute detailed trade studies to find new and novel ways to implement the…
Added 3 mins ago
Interim Technology & AI Leader (AVP-level)
Fortellar
Atlanta, GA
This role will work onsite a minimum of 4 days per week in and around the Druid Hills area of Atlanta, GA
Added 3 mins ago
P
Engine Test Lab Powertrain Test Engineer
PACCAR
Mount Vernon, WA
- $102,752 to $141,800 USD / year
Job Duties: Conduct performance, durability, and emissions validation testing of heavy-duty on-highway powertrain systems to support program goals and ensure compliance with internal and…

PsiQuantum

Staff Software Engineer, Control

Palo Alto, CA, United States

Apply on psiquantum.com About employer

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Job details

Experience: 15+ years experience with Rust or C++ in a system software context.
Posting language: English
Posted: Nov 10, 2026

Original job description

PsiQuantum's mission is to build the first useful quantum computers: machines capable of delivering the breakthroughs the field has long promised. Since our founding in 2016, our singular focus has been to build and deploy million-qubit, fault-tolerant quantum systems.

Quantum computers harness the laws of quantum mechanics to solve problems that even the most advanced supercomputers or AI systems will never reach. Their impact will span energy, pharmaceuticals, finance, agriculture, transportation, materials, and other foundational industries.

Our architecture and approach is based on silicon photonics. By leveraging the advanced semiconductor manufacturing industry, including partners like GlobalFoundries, we use the same high-volume processes that already produce billions of chips for telecom and consumer electronics. Photonics offers natural advantages for scale: photons don't feel heat, are immune to electromagnetic interference, and integrate with existing cryogenic cooling and standard fiber-optic infrastructure.

That approach has since been tested at the highest level of scrutiny the U.S. government applies to emerging technology, and it has held up. In 2025, PsiQuantum closed a $1 billion funding round that valued the company at $7 billion. In 2026, the U.S. Department of Commerce signed a $100 million Letter of Intent under the CHIPS and Science Act, followed by a $125 million agreement with DARPA under Stage C of its Quantum Benchmarking Initiative, PsiQuantum's most valuable U.S. government agreement to date. This year, we also broke ground on our utility-scale quantum computer in Brisbane, Australia, and continued building out our Chicago site. Victor Peng, our CEO, and co-founder Jeremy O'Brien, now Executive Chairman, lead a team and board that reflects how seriously the world is taking this build, joined this year by Intel's Lip-Bu Tan and Atomico's Niklas Zennström.

PsiQuantum also develops the algorithms and software needed to make these systems commercially valuable. Our application, software, and industry teams work directly with leading Fortune 500 companies, including Airbus, Lockheed Martin, Mercedes-Benz, Boehringer Ingelheim, and Mitsubishi Chemical, to prepare quantum solutions for real-world impact.

Quantum computing is not an extension of classical computing. It represents a fundamental shift, and a path to mastering challenges that cannot be solved any other way. The potential is enormous, and we now have the funding, the government validation, and the sites under construction to make it real.

Job Summary:

The OS Core Team at PsiQuantum works closely alongside engineers and scientists in the electronics, system architecture, and validation teams and is responsible for building the scalable, distributed, fault-tolerant control plane and operating system for utility scale photonic quantum computers. Our team is responsible for orchestration, scheduling, kernel architecture, co-design, calibration, validation, providing abstractions, systems, and operating software for the immense heterogenous fabric of co-processors, networks, and photonics that are critical to the success of our company’s goal of building the world’s first useful quantum computer. As a Senior Software Engineer, Calibration & Control you will design and implement algorithms, controls, and software that keep our quantum processors in spec 24×7x365.

Responsibilities:

Develop and implement software for control of photonic quantum computers in Rust.
Design and architecture of system software.
Participate in design and code reviews.
Collaborate across software, hardware, and research teams at PsiQuantum.
Testing and maintenance of control software.
Champion and serve as an exemplar of good software development practices at PsiQuantum.

Experience/Qualifications:

Required skills and experience:

15+ years experience with Rust or C++ in a system software context.
Architecture and implementation of system software for HPC, robotics, AI, quantum computing, semiconductor fabrication, or control systems.
Proven track record of developing and shipping reliable, performant software in a high scale or mission critical context.
Bachelors degree in a technical discipline preferred, or equivalent experience.

Ways to stand out:

Experience in high performance computing.
Experience in computer architecture.
Experience in high performance networking.
Experience building operating systems, compilers, or kernels.
Experience interfacing with ASICs and/or FPGAs in complex/high-performance systems or an edge-computing context.
Experience with Nix.
Experience with highly scalable distributed systems in a reliability and up-time critical environment.
Familiarity with quantum control.
PhD in a related technical discipline is a plus, but not required.

PsiQuantum provides equal employment opportunity for all applicants and employees. PsiQuantum does not unlawfully discriminate on the basis of race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), gender identity, gender expression, national origin, ancestry, citizenship, age, physical or mental disability, military or veteran status, marital status, domestic partner status, sexual orientation, genetic information, or any other basis protected by applicable laws.

Note: PsiQuantum will only reach out to you using an official PsiQuantum email address and will never ask you for bank account information as part of the interview process. Please report any suspicious activity to recruiting@psiquantum.com.

We are not accepting unsolicited resumes from employment agencies. Base pay is one part of the total compensation package. Full-time roles are eligible for equity and benefits. Our compensation ranges reflect the cost of labor across multiple U.S. geographic markets, and we pay based on defined geographic zones. This position may be filled within one of the following U.S. geographic zones, each with its own salary range.

Actual compensation may vary outside of these ranges and is dependent on various factors including, but not limited to, a candidate's qualifications, relevant education and training, competencies, experience, geographic location, business needs, and internal equity. Your recruiter can share more details about the salary range applicable to your location during the hiring process.

Zone 1 - Bay Area and NYC
Zone 2 - Examples include Los Angeles and Washington DC
Zone 3 - Examples include Austin, Chicago, and Sacramento
Zone 4 - Examples include Nashville and Phoenix/Tempe and many remote locations

This position includes the following benefits: competitive health coverage for you and your dependents, 401(k) with company match, equity grants, access to financial wellness tools and planning resources, wellness benefits, family support programs, life and disability insurance, paid leave programs, company-designated paid holidays, discretionary time off (DTO), and an end-of-year company shutdown. Some of these benefits have eligibility requirements and may vary based on location, role, or employment status. Many of these benefits are subsidized or fully paid for by the company.

The estimated annual base salary range for this role is:

Zone 1

$235,600 - $276,800 USD

Zone 2

$212,000 - $249,100 USD

Zone 3

$188,400 - $221,400 USD

Zone 4

$164,900 - $193,800 USD

Apply on psiquantum.com About employer

More about this job

Skills

Quantum mechanics
P.Eng.
Scheduling
Photonics
Research
Software development
Rust
Robotics
Control systems
Recruitment

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Work requirements

Jobs in the United States