Jobs in the United States

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Added 1 min ago
Staff Engineer
Raft Company Website
Colorado Springs, CO
We’re looking for an experienced Staff Engineer to support our customers and join our passionate team of high-impact problem solvers.
Added 1 min ago
Lead Software Engineer - Enterprise AI Services & Agents
Wellmark, Inc.
Des Moines, IA
As a Lead Software Engineer on Wellmark’s Enterprise AI Services & Agents team, you will lead the design and delivery of reusable enterprise assistants, agents, AI services, skills, and…
Added 2 mins ago
S
Field Quality Engineer - Data Center
STMicroelectronics
Santa Clara
- $151,200 to $189,000 USD / year
…Clara (San Francisco Bay Area) CA office as a Field Quality Engineer who is passionate about ensuring the highest levels of quality in our products and…
Added 3 mins ago
T
Telecom Engineer
TEKsystems
Honolulu, HI
- $101,000 to $127,000 USD / year
We are seeking a Telecom Engineer to support the design, implementation, maintenance, and management of telecommunications infrastructure and systems. This role is responsible for applying…
Added 4 mins ago
Software Engineer (AI Agents)
Fluent, LLC
Remote, United States
Fluent is hiring its first dedicated AI Engineer. Over the past year, AI at Fluent has moved from pilots to production: a service desk agent that closes tickets without a human touch, a…
Added 4 mins ago
Software Engineer (AI Agents)
Fluent, LLC
New York, NY
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Added 4 mins ago
Engineering Analyst I
Astrion
Redstone Arsenal, AL
Four years of applicable military experience performing engineering, analysis, and related functions in research, development, test, and evaluation in support of military equipment and…
Added 4 mins ago
Engineering Analyst I
Astrion
Redstone Arsenal, AL
Four years of applicable military experience performing engineering, analysis, and related functions in research, development, test, and evaluation in support of military equipment and…
Added 4 mins ago
Digital S/W Eng Intm Analyst - Officer
Citi
IRVING, TX · Irving, TX · Irving
The Digital S/W Engineer Intmd Analyst is a developing professional role. Deals with most problems independently and has some latitude to solve complex problems. Integrates in-depth…
Added 5 mins ago
Project Manager, Construction
Yale New Haven Health
NEW HAVEN, CT
The Project Manager should be a registered architect or engineer or a construction manager. He/she is the principal communications link between the Facilities Design & Construction…
Added 6 mins ago
Senior Data & AI Engineer - Managed Services
3Cloud
Remote, United States
Attend regularly cadenced client meetings and serve as lead engineer for technical questions and support tickets
Added 6 mins ago
Project Engineer I
About Us
Sedro Woolley, WA · Hamilton, WA
…defense, and space industries. We are looking for a Project Engineer to join our growing…
Added 8 mins ago
SO
Engineer 6 Sulphur Construction
State of Louisiana
Sulphur, LA
- $38.61 to $69.5 USD / hour
At the Louisiana Department of Transportation and Development (DOTD), we plan, build, maintain, and protect the transportation systems that connect communities, support commerce, and keep…
Added 8 mins ago
SO
Engineer 6 (District Lab)
State of Louisiana
Bossier City, LA
- $54.06 to $69.5 USD / hour
DOTD is seeking an experienced engineer to serve as the Materials and Testing expert while supervising lower-level Engineers or Engineering Technicians. This position supports…
Added 10 mins ago
OS
Research Engineer
Orenco Systems
Sutherlin, OR
- $70,000 to $100,000 USD / year
Orenco is seeking an experienced, enthusiastic, team-oriented research engineer to join our R&D team and support the growth of our Advanced Treatment Business Unit by developing innovative…
Added 11 mins ago
Systems Engineer 4
Ultra Electronics Advanced Tactical Systems, Inc.
United States
Ultra I&C is hiring a Model Based Systems Engineer to join us in our Huntsville, AL or Austin, TX locations. This position will lead a variety of system design and development efforts…
Added 12 mins ago
QA Automation Engineer
DRB
Akron, OH
The Quality Assurance Automation Engineer I is a key contributor to ensuring overall hardware and software quality through proven test automation practices. The role includes working…
Added 12 mins ago
Staff Engineer – Mechanical Analysis
General Electric Company
United States
Contributes to the design and development of products, solutions, and systems, including technical improvements to existing products and components. Leads, plans, and executes stress…
Added 12 mins ago
Supplier Support Manufacturing Engineer
General Electric Company
Remote, United States
The Supplier Support Manufacturing Engineer is responsible for addressing part shortages and ensuring supplier performance aligns with Clear to Build (CTB) targets. This role emphasizes…
Added 12 mins ago
GE
Sr Staff Applications Operations Engineer – Engineering Tools Automation & AI Ops
General Electric Company
United States
- $131,000 to $174,000 USD / year
Perform hands-on Linux and Windows server administration across development, test, and production environments.
Added 12 mins ago
GS
Systems Engineer
Grantek Systems Integration
San Jose, CA
- $95,000 to $120,000 USD / year
…control, Information Solution design, MES design, ERP connector development, High-level software solution design (involving C#, HTML5, .NET, SQL, VB, VBA, and more). All junior team members…
Added 16 mins ago
Principal Software Engineer
Crusoe
San Francisco, CA
As a Principal Software Engineer for Infrastructure, you will partner with teams across the company to help shape the technical direction of the compute, storage, and networking platforms…
Added 17 mins ago
Preconstruction Engineer I
Faith Technologies, Inc.
Hapeville, GA
This role will receive tasks assigned by the Senior Preconstruction Engineer and Preconstruction Manager.
Added 20 mins ago
Senior Robotics Software Engineer – AI-Enabled Manipulation & Industrial Automation
General Motors LLC
Mountain View, CA
The Senior Robotics Software Engineer – AI-Enabled Manipulation & Industrial Automation designs, develops, integrates, validates, and deploys AI-enabled robotic applications for industrial…
Added 21 mins ago
Senior Electrical Engineer - Industrial Market
Gresham Smith
Tampa, FL
Proficient in the use of Bluebeam for drawing review, drawing mark-up, and sketch development for design development.

Crusoe

Principal Software Engineer

San Francisco, CA, United States

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Job details

Posting language: English
Posted: Nov 6, 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 THIS ROLE

As a Principal Software Engineer for Infrastructure, you will partner with teams across the company to help shape the technical direction of the compute, storage, and networking platforms that power Crusoe’s AI-first cloud. This is a high-leverage leadership role that spans the full infrastructure stack: you will work alongside engineers and stakeholders on the systems that help massive GPU clusters run AI and HPC workloads at extreme throughput, low latency, and high reliability. Your work spans the Linux kernel, hypervisors and virtualization, distributed storage, network fabrics, and the control planes that tie them together.

You will be a trusted technical partner across the infrastructure stack, helping guide architecture decisions and mentoring engineers to raise our collective technical bar. You will look at the whole system alongside the teams who own each layer: how a storage tier, a scheduler, and a network fabric interact under a multi-node training job, and where the real bottleneck sits. You will collaborate closely with Product, Hardware, and Infrastructure teams to build a reliable, scalable platform together that aligns with Crusoe’s mission to innovate sustainably. This is a full-time position.

WHAT YOU’LL BE WORKING ON

Infrastructure Strategy: Partner with engineering, product, and leadership to help shape the long-term direction for compute, storage, and networking, and to turn that direction into practical plans and milestones.
Architecture & Design: Collaborate with teams on architecture reviews, design documents, and code reviews for critical infrastructure components and services across all three domains.
Compute & Virtualization: Work with compute teams on the virtualization and orchestration layers that deliver bare-metal-class performance to GPU workloads, including hypervisor tuning, SR-IOV, vDPA, virtio, device passthrough, and NUMA- and topology-aware scheduling.
Storage Systems: Work with storage teams on high-throughput, low-latency storage for training and inference pipelines, including distributed block, file, and object storage, NVMe and NVMe-oF, RDMA-based data paths, and checkpointing and data-loading performance.
Networking & Fabric: Partner with networking teams on architectures for GPU-to-GPU fabrics, high-speed Ethernet, and specialized AI clusters, using technologies such as XDP, eBPF, DPDK, OVS/OVN, BGP, EVPN, and VXLAN.
Kernel & Driver Work: Contribute to Linux kernel modules and high-performance drivers across the network, storage, and device stack.
Hardware Integration: Work with Hardware teams on accelerators and offload devices, including GPUs, SmartNICs, DPUs, IPUs, and NVMe, from qualification through bring-up of new platforms.
Cross-Stack Performance & Reliability: Team up with on-call, SRE, and domain engineers to troubleshoot complex production issues that cross compute, storage, and network boundaries, and to improve performance, observability, capacity planning, and failure-domain design.
Technology Evaluation: Explore emerging infrastructure technologies with the team, contribute to open-source projects where strategically relevant, and share learnings with the broader organization.
Mentorship & Collaboration: Partner with internal stakeholders on end-to-end features, and mentor and support engineers across teams to foster a culture of engineering excellence.

WHAT YOU’LL BRING TO THE TEAM

Large-Scale Infrastructure Mastery: 10+ years of experience building and operating large-scale infrastructure systems in production, ideally within cloud or hyperscale data center environments.
Cross-Domain Breadth: Hands-on experience across compute, storage, and networking, and a track record of solving problems that cross domain boundaries.
Systems Programming Excellence: Strong systems programming skills in C, C++, Rust, or Go, with experience working on performance-critical services and control planes.
Linux Internals Depth: Extensive knowledge of the Linux kernel architecture, memory management, scheduler, I/O and network stacks, and device driver development.
Virtualization & Compute Literacy: Experience with KVM/QEMU or similar hypervisors, container runtimes, and orchestration platforms such as Kubernetes, plus an understanding of GPU, CPU, and NUMA topology and its effect on workload performance.
Storage Literacy: Familiarity with distributed storage architectures (block, file, or object), NVMe/NVMe-oF, RDMA, and the consistency, durability, and performance tradeoffs involved.
Network & Fabric Literacy: Familiarity with data center fabrics (e.g., Spine-Leaf, BGP, EVPN, VXLAN), network virtualization tools such as OVS or OVN, and high-speed packet processing technologies such as XDP, eBPF, or DPDK.
Accelerator Knowledge: Familiarity with SmartNICs, DPUs, and accelerators, such as NVIDIA ConnectX-6/7 and BlueField-3 or Intel IPUs.
Production Debugging: Experience working with others to diagnose complex issues across the full stack, from hardware and firmware through the kernel to control-plane software.
Strategic Influence: A proven track record of leading through influence, with excellent written communication skills and a strong mentoring mindset.
Education: A Bachelor’s degree in Computer Science, Computer Engineering, or a related analytical field (or equivalent professional experience).

BONUS POINTS

Open-Source Contributions: Active contributions to projects such as the Linux kernel, KVM/QEMU, Kubernetes, Ceph, OVS, OVN, Cilium, or Multus.
Orchestration & Automation Expertise: Experience with infrastructure automation, fleet management, or complex orchestration tooling.
GPU Training at Scale: Prior experience building compute, storage, or networking stacks for multi-node GPU training at scale.
Hardware Co-Design: Experience working with hardware teams on platform design, qualification, and firmware-to-software integration.

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 $285,000 - $335,000 + 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

Linux
Coaching
Leadership
Architectural design
Scheduling
BGP
Troubleshoot
Collaboration
C
C++
Rust
Go
Kubernetes
Debugging
Firmware
Communication skills
Computer science
Computer engineering

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