Senior Firmware Engineer (Blockchain Hardware)

Location: Based UTC -9 and +1

Compensation: $120K - $165K

We are looking for a Senior Firmware Engineer to develop, design, and optimize firmware for our cutting-edge cryptocurrency hardware wallets. In this role, you will be at the intersection of high-stakes security and embedded systems, collaborating closely with hardware and software teams to deliver secure, reliable, and highly efficient firmware solutions.

You will be responsible for the "brain" of our devices, ensuring that our users' digital assets are protected by battle-tested code. From architecting multi-threaded applications to ensuring seamless hardware-software compatibility, you will play a vital role in maintaining and improving both current and next-generation security devices.

Key Responsibilities:

Embedded Systems Engineer (Backend & Firmware)

Compensation: $180K - $300K

Location: North America preferred (Would consider South America if can work EST working hours)

We are a lean, high-velocity technical team building the infrastructure that powers the world’s most sophisticated AI models. Our core mission is to democratize access to high-quality public web data at a global scale. We support and power Grass, a massive distributed bandwidth-sharing network and crawler, while simultaneously managing pipelines that process billions of videos, transcripts, and audio files for frontier AI labs.

As an Embedded Systems Engineer, you will be a pivotal member of a small, elite team. This isn't just a firmware role; it’s a hybrid challenge where low-level systems meet high-scale backend architecture. You will lead the effort to architect scalable solutions, optimize networked device firmware, and drive technical excellence to ensure our distributed network remains the backbone of the open web data movement.

Requirements

We are looking for a builder who thrives in a "no red tape" environment and possesses a deep understanding of how software interacts with hardware and networks.

We are looking for an experienced Senior Site Technician to join our team at a Bitcoin mining facility in Montana and Wyoming.
You will be responsible for maintaining ASIC miners, electrical infrastructure, and cooling systems — ensuring maximum uptime and safe operations.

Responsibilities

• Perform daily maintenance, troubleshooting, and repair of ASIC miners (Bitmain, MicroBT, etc.).
• Monitor and maintain electrical distribution, PDUs, and cooling systems to ensure continuous site operation.
• Diagnose and resolve miner performance issues, hashboard faults, and power irregularities.
• Assist with installation, commissioning, and testing of new miners and supporting infrastructure.
• Conduct network setup and monitoring for ASICs and management systems.
• Maintain accurate logs of repairs, replacements, and downtime events.
• Support implementation of preventive maintenance programs.
• Collaborate with the Site Manager and junior technicians to ensure operational targets are met.
• Uphold site safety and compliance standards at all times.

Requirements

We are looking for an experienced Senior Site Technician to join our team at a Bitcoin mining facility in Montana and Wyoming.
You will be responsible for maintaining ASIC miners, electrical infrastructure, and cooling systems — ensuring maximum uptime and safe operations.

Responsibilities

• Perform daily maintenance, troubleshooting, and repair of ASIC miners (Bitmain, MicroBT, etc.).
• Monitor and maintain electrical distribution, PDUs, and cooling systems to ensure continuous site operation.
• Diagnose and resolve miner performance issues, hashboard faults, and power irregularities.
• Assist with installation, commissioning, and testing of new miners and supporting infrastructure.
• Conduct network setup and monitoring for ASICs and management systems.
• Maintain accurate logs of repairs, replacements, and downtime events.
• Support implementation of preventive maintenance programs.
• Collaborate with the Site Manager and junior technicians to ensure operational targets are met.
• Uphold site safety and compliance standards at all times.

Requirements

Come Join Our Team! First Division Consulting (FirstDiv) provides program management, acquisition, logistics, field service representative, explosive ordnance disposal, and personnel support services to Department of Defense and Federal Government Agencies. We are a Small Business Administration certified Service-Disabled Veteran-Owned Small Business and a Small Disadvantaged Business. If you are looking for a company who has an overall rating on Glassdoor of 4.8 and who puts their people first, then continue to read below and join the FirstDiv team!

This is a hybrid position that requires roughly 3-4 days in the office each week.  This is subject to change based on the requirements of the government.

Primary duties will include:

This position supports the Marine Corps Systems Command (MCSC) in ensuring the security and integrity of acquisition programs. The Program Analyst will provide critical support to the Acquisition Program Security Officer (APSO), contributing to the development, implementation, and oversight of security protocols throughout the acquisition lifecycle of multiple programs. This role requires a proactive and detail-oriented individual with a strong understanding of Department of Defense (DoD) and Marine Corps acquisition and security policies.

Responsibilities:

We are seeking a Senior Site Technician to support operations at our Bitcoin mining facility in Oklahoma. The ideal candidate has 3+ years of hands-on experience maintaining and optimizing Bitcoin mining hardware and infrastructure. This role focuses on ensuring maximum uptime, performance, and operational safety through expert technical work and leadership within the on-site team.

Responsibilities

• Perform daily maintenance, troubleshooting, and repair of ASIC miners (Bitmain, MicroBT, etc.).
• Monitor and maintain electrical distribution, PDUs, and cooling systems to ensure continuous site operation.
• Diagnose and resolve miner performance issues, hashboard faults, and power irregularities.
• Assist with installation, commissioning, and testing of new miners and supporting infrastructure.
• Conduct network setup and monitoring for ASICs and management systems.
• Maintain accurate logs of repairs, replacements, and downtime events.
• Support implementation of preventive maintenance programs.
• Collaborate with the Site Manager and junior technicians to ensure operational targets are met.
• Uphold site safety and compliance standards at all times.
• Provide technical input for upgrades and scaling projects.

Requirements

We are looking for an experienced Senior Site Technician to join our team at a Bitcoin mining facility in Oklahoma.
You will be responsible for maintaining ASIC miners, electrical infrastructure, and cooling systems — ensuring maximum uptime and safe operations.

Responsibilities

• Perform daily maintenance, troubleshooting, and repair of ASIC miners (Bitmain, MicroBT, etc.).
• Monitor and maintain electrical distribution, PDUs, and cooling systems to ensure continuous site operation.
• Diagnose and resolve miner performance issues, hashboard faults, and power irregularities.
• Assist with installation, commissioning, and testing of new miners and supporting infrastructure.
• Conduct network setup and monitoring for ASICs and management systems.
• Maintain accurate logs of repairs, replacements, and downtime events.
• Support implementation of preventive maintenance programs.
• Collaborate with the Site Manager and junior technicians to ensure operational targets are met.
• Uphold site safety and compliance standards at all times.

Requirements

Member of Technical Staff - Model Engineer

Full-time | On-site

Location: San Francisco

We are seeking a founding Member of Technical Staff to join our core AI team and drive the modernization of a foundational global industry. This role offers the chance to work directly with the company's founders to define the technical direction and build AI from the ground up, combining hardware, software, and operations.

As a Model Engineer, you will be deeply involved in the entire lifecycle of model development, from research and data preparation to production deployment in real-world systems. You will play a crucial role in building the AI capabilities that enable a vertically integrated infrastructure platform.

What you'll do:

We are seeking a Senior Site Technician to support operations at our Bitcoin mining facility in Oklahoma. The ideal candidate has 3+ years of hands-on experience maintaining and optimizing Bitcoin mining hardware and infrastructure. This role focuses on ensuring maximum uptime, performance, and operational safety through expert technical work and leadership within the on-site team.

Responsibilities

• Perform daily maintenance, troubleshooting, and repair of ASIC miners (Bitmain, MicroBT, etc.).
• Monitor and maintain electrical distribution, PDUs, and cooling systems to ensure continuous site operation.
• Diagnose and resolve miner performance issues, hashboard faults, and power irregularities.
• Assist with installation, commissioning, and testing of new miners and supporting infrastructure.
• Conduct network setup and monitoring for ASICs and management systems.
• Maintain accurate logs of repairs, replacements, and downtime events.
• Support implementation of preventive maintenance programs.
• Collaborate with the Site Manager and junior technicians to ensure operational targets are met.
• Uphold site safety and compliance standards at all times.
• Provide technical input for upgrades and scaling projects.

Requirements

We are looking for an experienced Senior Site Technician to join our team at a Bitcoin mining facility in Oklahoma.
You will be responsible for maintaining ASIC miners, electrical infrastructure, and cooling systems — ensuring maximum uptime and safe operations.

Responsibilities

• Perform daily maintenance, troubleshooting, and repair of ASIC miners (Bitmain, MicroBT, etc.).
• Monitor and maintain electrical distribution, PDUs, and cooling systems to ensure continuous site operation.
• Diagnose and resolve miner performance issues, hashboard faults, and power irregularities.
• Assist with installation, commissioning, and testing of new miners and supporting infrastructure.
• Conduct network setup and monitoring for ASICs and management systems.
• Maintain accurate logs of repairs, replacements, and downtime events.
• Support implementation of preventive maintenance programs.
• Collaborate with the Site Manager and junior technicians to ensure operational targets are met.
• Uphold site safety and compliance standards at all times.

Requirements