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Vector Atomic

High-precision atomic clocks and inertial sensors

Senior Rust Software Engineer

Full-TimePosted on 10/17/2026
$142.1k - $186.1k/yr+ Bonus + Equity
Senior
Bachelor's, Master's
Pleasanton, CA, USA
In Person
Software EngineeringEmbedded Engineering
No H1B Sponsorship
US Citizenship Required

About the job

Requirements
  • Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, Computer Science, or a related field, with 6+ years of professional software engineering experience in embedded or hardware-adjacent environments.
  • Must be fully comfortable working hands-on in a laboratory environment alongside physical hardware and complex test setups.
  • Exceptional communication and collaboration skills, with the ability to bridge technical gaps between hardware engineers, software teams, and physicists.
Responsibilities
  • Lead the design and development of reliable, high-performance, production-quality software architectures in Rust.
  • Architect and verify system controllers on ARM SoCs, designing robust user-space drivers for complex peripherals, including mixed-signal devices, and low-latency data acquisition pipelines.
  • Implement and optimize critical control loops and precision algorithms essential to the stability and operation of quantum sensing instruments.
  • Partner closely with hardware teams to lead board testing, hardware bring-up, and implementation of fault-tolerant error-handling systems.
  • Oversee development and scaling of core software libraries used for control and automation of next-generation quantum systems.
  • Champion continuous improvement within the development process by leading technical code reviews, project retrospectives, and mentoring junior engineers.
Desired Qualifications
  • Extensive background coding in C/C++ or utilizing Python and its scientific libraries for data analysis and modeling.
  • Deep expertise in designing, modeling, and coding advanced control algorithms, such as PID loops, and fixed-point digital filters.
  • Advanced experience interfacing with external hardware devices through protocols such as TCP/UDP, UART, SPI, and I2C.
  • Comprehensive background working with SoC/FPGA architectures and developing specialized Linux device drivers.
  • Highly proficient in using standard test and measurement equipment, including oscilloscopes, function generators, and voltmeters, to benchmark, validate, and debug software performance.

About the company

Vector Atomic builds high-performance quantum sensing devices, including optical atomic clocks, inertial sensors like gyroscopes and gravimeters, and GPS-free synchronization hardware for defense, aerospace, and national security in harsh environments. These devices use atomic transitions to deliver extremely stable timing and precise motion data; optical clocks provide picosecond-level timing and distribute it via synchronization hardware, while inertial sensors track rotation and gravity for navigation without GPS. The company distinguishes itself through deep physics expertise, strong government contracts, and a path from lab hardware to field-ready products, while staying 100% employee-owned and investor-free; it was acquired by IonQ to merge sensing with computing and networking. Its goal is to speed the deployment of secure, GPS-free navigation and communication by integrating quantum sensing with broader quantum platforms for government and commercial markets.

Company Size

51-200

Company Stage

Acquired

Total Funding

$6.8M

Headquarters

Pleasanton, California

Founded

2018

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Simplify's Take

What believers are saying

  • DARPA awarded IonQ a $28 million clock-extension on August 6, 2026.
  • IonQ will deliver 125 Evergreen-05 clocks to U.S. government customers.
  • Honeywell and DIU tested Vector Atomic-linked navigation hardware in September 2026.

What critics are saying

  • IonQ integration can bury Vector Atomic’s niche culture inside a public-company hierarchy.
  • DARPA’s $30 million option stays unexercised until performance and manufacturing milestones clear.
  • Quantum sensing faces commercialization risk if government demand stalls after 2027 deployments.

What makes Vector Atomic unique

  • Evergreen-05 gives Vector Atomic-derived timing in a 5-liter tactical package.
  • DARPA began funding Vector Atomic’s core clock technology in 2019.
  • IonQ now pairs Vector Atomic sensing with computing, networking, and manufacturing.

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Benefits

  • Health Insurance
  • Dental Insurance
  • Vision Insurance
  • Health Savings Account/Flexible Spending Account
  • Paid Vacation
  • Parental Leave

Growth & Insights and Company News

Headcount

6 month growth

14%

1 year growth

14%

2 year growth

14%
U.S. Securities and Exchange Commission
Oct 19th, 2026
10-K

Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities

SBIR.gov
Sep 13th, 2026
Awards | SBIR

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Quantum Computing Report
Sep 17th, 2025
IonQ Completes Oxford Ionics Acquisition, Announces Intent to Acquire Vector Atomic for Quantum Sensing - Quantum Computing Report

IonQ (NYSE: IONQ), a quantum computing and networking company, has announced the completion of its acquisition of Oxford Ionics, a quantum computing company based in the United Kingdom. Concurrently, IonQ announced that it has entered into a definitive agreement to acquire Vector Atomic, a company specializing in advanced quantum sensors. These two strategic moves are intended to strengthen IonQ’s technology portfolio and accelerate its expansion into quantum sensing. The acquisition of Oxford Ionics is aimed at accelerating IonQ’s technology roadmap for more powerful and scalable quantum computers, while also supporting the company’s expansion into the UK, Europe, and other global markets. [...]

eDaily
Sep 17th, 2025
IonQ Acquires Vector Atomic for $1.3B

IonQ's stock continues its upward trend, rising 2.7% to $63.94 in pre-market trading on the 17th. The stock has surged from $43 to $63 over five consecutive trading days. This increase follows the UK authorities' approval of IonQ's acquisition of Oxford Ionics, which boosted the stock by 5.33% to $62.26 the previous day. Additionally, IonQ announced a deal to acquire Vector Atomic in the US. The total value of these transactions is approximately $1.3 billion.

IonQ
Sep 17th, 2025
IonQ Announces Intent to Acquire Vector Atomic, Expanding Into Quantum Sensing and Strengthening Its Quantum Technology Portfolio.

COLLEGE PARK, MD - September 17, 2025 - IonQ (NYSE: IONQ), the leader in the quantum computing and networking industries, today announced it has entered into a definitive agreement to acquire Vector Atomic, a pioneer in advanced quantum sensors for positioning, navigation, and timing (PNT) applications.