Jobs in the United States

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Added 1 min ago
Cyber Security Engineer
Academy Sports
Katy, TX
We’ve spent over 80 years building a culture that puts people first. We believe in creating opportunities for growth, fostering meaningful connections, and supporting every Team Member’s…
Added 6 mins ago
Logistics Engineer
Alten USA
Macungie, PA
…advancing space exploration and life-saving medical devices to building autonomous electric vehicles. With 3,000+ experts across North America, we partner with leading companies in…
Added 6 mins ago
Ford Racing Powertrain Procurement & Supply Chain Specialist
Ford Global
Allen Park, MI
Family building benefits including adoption and surrogacy expense reimbursement, fertility treatments and more.
Added 6 mins ago
Staff Software Development Engineer – iOS
CVS Health
Remote, United States
We’re building a world of health around every individual - shaping a more connected, convenient and compassionate health experience. At CVS Health®, you’ll be surrounded by passionate…
Added 6 mins ago
Chemical Engineering Professional Associate
Spectraforce Technologies Inc
Moon, PA
Added 7 mins ago
Facilities technician 3
JLL
Malvern, PA
…personnel in installation, repair, and maintenance of all base building and critical system machinery and equipment. Responsible for supervision of the operating team on his shift. Assumes…
Added 7 mins ago
Entry Level Building Automation Systems (BAS) Engineer - Summer 2027
Jacobs
Conshohocken, PA
The entry level engineer will support senior BAS and I&C (Instrumentation & Controls) engineers in the integration and control of various building systems including HVAC (heating,…
Added 8 mins ago
Advanced Technical Scrum Master
Acara
Canonsburg, PA
…years of experience as a Scrum Master, Agile Lead, Project Engineer, Systems Engineer, Software Engineer, or related technical leadership role with a Bachelor's degree, OR 3+ years of…
Added 8 mins ago
Civil/site engineer
GANNETT FLEMING INC
State College, PA
Added 8 mins ago
Staff Software Engineer - IAM
General Motors
Harrisburg, PA
7+ years of experience as a software engineer building and owning production systems or in-house applications.
Added 8 mins ago
Staff Full-stack Engineer - Shopping (Remote-eligible)
Capital One
Harrisburg, PA
As a Staff Engineer at Capital One, you will be part of a community of technical experts working to define the future of banking in the cloud. You will work alongside our talented team of…
Added 8 mins ago
Lead Software Engineer
Evolent
Harrisburg, PA
The Lead Software Engineer leads the design, development, and delivery of the web user experience for the Evolent Platform. This role defines the front-end architecture and technical…
Added 9 mins ago
Cyber Full-Stack Software Engineer
Deloitte
Philadelphia, PA · Pittsburgh, PA · Mechanicsburg, PA
…next generation of cybersecurity services. As a Full Stack Engineer, you will design, develop, and enhance applications across frontend and backend environments, working with modern…
Added 9 mins ago
Android Engineer - Connected Living
Comcast
Philadelphia, PA
We’re looking for an Android Engineer to join the Camera Client Squad and help build video and camera experiences used by millions of Xfinity customers. In this role, you’ll develop…
Added 9 mins ago
Data Engineer - AI-Enabled Capacity Analytics
Comcast
Philadelphia, PA
Join Comcast's National Traffic and Capacity Management (NTCM) team as a Data Engineer III and help build trusted data solutions that support network capacity planning and optimization…
Added 9 mins ago
UO
Director of Facilities Operations, Planning & Projects
University of Pennsylvania
Philadelphia, PA
- $110,907 to $135,000 USD / year
The position ensures that all facilities maintenance, repairs, and general building operations are conducted in accordance with established standards, drawing on extensive knowledge,…
Added 13 mins ago
Presales Solutions Engineer - SecOps/SIEM
SHI International Corp
Home Office, CA · Home Office, WA · Home Office, OR · Home Office, CO
The Presales Solutions Engineer – SecOps/SIEM is a customer-facing security expert who takes a consultative approach to helping customers design and implement effective security operations…
Added 13 mins ago
Solutions Engineer - Global
SHI International Corp
Home Office, NC · Home Office, SC
The Global Solutions Engineer collaborates with account teams to assess customer data center environments and design tailored infrastructure solutions that align with business objectives.…
Added 17 mins ago
C
Founding Member of Technical Staff
Clera
San Francisco, CA
- $150,000 to $235,000 USD / year
- Hands-on experience building production LLM, AI agent, or voice AI systems, ideally including evaluation frameworks.
Added 17 mins ago
TT
Infrastructure Engineer
True Talent Solutions Partners
San Francisco, CA
- $150,000 to $300,000 USD / year
- Knowledge of data pipeline tooling and experience building or supporting complex ingestion systems.
Added 21 mins ago
Sr Principal Quality Engineer
CORP-Corporate Office
United States
…planning. We are looking for innovators who can help us keep building on our wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies that fuel those…
Added 30 mins ago
Regional Chief Engineer
Amazon Data Services, Inc.
Lithia Springs, GA
As the Data Center Chief Engineer (CE), you will be responsible for ensuring that all electrical, mechanical, and fire/life safety equipment within the data center is operating at peak…
Added 34 mins ago
E
Embedded Software Test Engineer
Emerson
Shakopee, MN
- $94,000 to $134,000 USD / year
Join our Liquid Analysis team in Shakopee, MN, as a Senior Embedded Software Test Engineer - where you'll work on testing new and legacy products for process analytical equipment that…
Added 35 mins ago
Continuous Improvement Manager - Dearborn Area
The Pivot Group Network
Dearborn · Dearborn, MI
…Michigan manufacturing-focused recruiting group, is committed to building meaningful connections in manufacturing. We partner with leading companies in the Dearborn area seeking Continuous…
Added 35 mins ago
Electrical Engineer - Gladwin Area
The Pivot Group Network
Gladwin · Gladwin, MI
Are you a detail-oriented professional with a passion for excelling as a electrical engineer? The Pivot Group Network, a Michigan manufacturing-focused recruiting group, is dedicated to…

Crusoe

Staff Cloud Hypervisor Engineer, Compute

Sunnyvale, CA, United States

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Job details

Experience: 7+ Years of Experience: Proven track record in hypervisor internals, kernel development, or low-level systems programming.
Posting language: English
Posted: Nov 3, 2026

Original job description

Crusoe is on a mission to accelerate the abundance of energy and intelligence. As the only vertically integrated AI infrastructure company built from the ground up, we own and operate each layer of the stack - from electrons to tokens - to power the world's most ambitious AI workloads. When you join Crusoe, you join a team that is building the future, faster.

We're in the midst of the greatest industrial revolution of our time. The demand for AI compute is boundless, and power is a bottleneck. We're solving that - with an energy-first approach that makes AI infrastructure better for the world and faster for the people innovating with AI.

We're looking for problem-solving, opportunity-finding teammates with a sense of urgency, who believe in the scale of our ambition and thrive on a path not fully paved - people who want to grow their careers alongside a team of experts across energy, manufacturing, data center construction, and cloud services.

If you want to do the most meaningful work of your career, help our customers and partners advance their AI strategies, and be part of a high-performing team that believes in each other, come build with us at Crusoe.

About the Role:

At Crusoe, we are building the "engine room" of the AI revolution. We are seeking a Staff Cloud Hypervisor R&D Engineer to serve as the lead architect for our next-generation virtualization stack. In this role, you will move beyond standard virtualization to design a "Greenfield" hypervisor environment where GPUs, DPUs, and high-speed interconnects are first-class citizens. You will be responsible for eliminating the "virtualization tax," ensuring our cloud infrastructure delivers bare-metal performance for the world’s most demanding AI/ML workloads.

What You'll Be Working On:

Next-Gen Hypervisor Architecture: Lead the R&D and implementation of core hypervisor components (KVM, QEMU, or custom Rust-based solutions) specifically optimized for massive-scale GPU fleets.
AI Hardware Virtualization: Develop and refine advanced hardware pass-through and abstraction techniques (SR-IOV, VFIO, mdev) to ensure NVIDIA GPUs and BlueField DPUs operate with near-zero latency in a multi-tenant environment.
The "Holy Grail" Challenges: Solve high-stakes technical hurdles such as live migration for AI workloads with 80GB+ VRAM and optimizing PCIe peer-to-peer communication between virtualized accelerators.
Performance Research & Profiling: Conduct deep-dive bottleneck analysis across the entire stack - from CPU microarchitecture and MMU virtualization to guest OS scheduling - to minimize jitter and maximize throughput.
Open Source Leadership: Actively contribute to and maintain upstream open-source virtualization projects, positioning Crusoe as a thought leader in the Linux kernel and virtualization communities.
Security & Isolation: Architect robust security boundaries for AI-native cloud infrastructure, balancing high-performance hardware access with strict multi-tenant isolation and hardening.

What You'll Bring to the Team:

7+ Years of Experience: Proven track record in hypervisor internals, kernel development, or low-level systems programming.
Deep Virtualization Expertise: Expert-level knowledge of CPU virtualization (Intel VT-x, AMD-V) and memory virtualization (EPT/NPT, HugePages). You should be comfortable discussing the nuances of VMExit overhead.
Hardware-Software Integration: Experience working with specialized AI hardware, including GPUs, InfiniBand/RoCE NICs, and SmartNICs/DPUs.
Programming & Tooling: Mastery of C and C++ is required; proficiency in Rust for modern systems programming is highly preferred. Experience with QEMU, KVM, and Linux kernel debugging tools (perf, ftrace, eBPF).
I/O Mastery: Deep understanding of VirtIO, vhost-user, and hardware-accelerated I/O paths.
Technical Leadership: Experience leading complex, cross-functional projects that bridge the gap between hardware engineering and cloud control planes

Benefits:

Competitive compensation and equity packages
Restricted Stock Units
Paid time off, paid holidays & leave of absence programs
Comprehensive health, dental & vision insurance
Employer contributions to HSA account
Paid parental leave
Paid life insurance, short-term and long-term disability
Professional development & tuition reimbursement
Mental health & wellness support
Commuter benefits (parking & transit)
Cell phone stipend
401(k) Retirement plan with company match up to 4% of salary
Volunteer time off
Global travel insurance & emergency assistance
Daily meals allowance
Additional perks & programs specific to location

Compensation Range

Compensation will be paid in the range of up to $215,000 -$260,000 + Bonus. Restricted Stock Units are included in all offers. Compensation to be determined by the applicant's knowledge, education, and abilities, as well as internal equity and alignment with market data.

Crusoe is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, disability, genetic information, pregnancy, citizenship, marital status, sex/gender, sexual preference/ orientation, gender identity, age, veteran status, national origin, or any other status protected by law or regulation.

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More about this job

Skills

ML
Communication skills
Research
Scheduling
Leadership
Linux
C
C++
Rust
Debugging

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