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Added 10 mins ago
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Embedded Systems Staff Engineer
Jobgether
Remote, United States
- $96.75 to $133.03 USD / hour
As an Embedded Systems Staff Engineer, you will lead the architecture and continuous evolution of ARM and AArch64 execution support within a sophisticated security analysis environment. You…
Added 1 hour ago
Network Operations Manager
Jobgether
Remote, United States
Monitor hardware and firmware lifecycles, security vulnerabilities, and configuration changes across managed environments, coordinating timely remediation.
Added 18 hours ago
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Principal or Staff Product Security Engineer
Skylight
Remote, United States
- $200,000 to $250,000 USD / year
Review and advise on device and firmware security work led by our firmware team.
Added 18 hours ago
S
Senior QA Engineer
Skylight
Remote, United States
- $150,000 to $170,000 USD / year
We’re seeking a Senior QA Engineer to lead quality efforts across in-app purchasing and subscription lifecycles, while also contributing to the quality of our broader mobile app experience.…
Added 1 day ago
Senior Storage Engineer
Runware
Remote, United States
As Senior Storage Engineer, you will own the storage architecture of Runware's AI supercomputer: how model weights, caches and customer data move from object storage on two continents to…
Added 1 day ago
Senior Security Engineer
Runware
Remote, United States
As Senior Security Engineer, you will own the security of Runware's AI supercomputer: the bare-metal GPU fleet, the Sonic Inference Pods it lives in, the managed Kubernetes clusters we hand…
Added 1 day ago
IG
Principal Engineer, Populus.ai and Elevate Platform
IPS Group Inc.
Remote, United States
- $125,000 to $160,000 USD / year
The Principal Engineer is the technical owner of the platform behind Populus.ai and Elevate, combining two roles in one: the platform's architect and its lead hands-on developer. You will…
Added 1 day ago
EO
Network Operations Manager
Effortless Office
Remote, United States
- $100,000 to $120,000 USD / year
Effortless is looking for a Network Operations Manager who is an excellent leader and engineer. This is a player-coach role: you will lead our network engineering team while remaining one…
Added 1 day ago
Principal Software Engineer, E2E Performance and Goodput - CSP Engagements
NVIDIA USA
Remote, United States
We're looking for a Principal Engineer to join our CSP Engagements team as the technical focal point for end-to-end performance, working directly with engineering teams of key…
Added 2 days ago
Senior Security Firmware Engineer, Data Center Systems
NVIDIA USA
Remote, United States
NVIDIA is searching for a highly motivated and creative senior security firmware engineer to join the Data Center Systems Software team and secure the platform: the baseboard management…
Added 2 days ago
Senior System Software Engineer - Factory Bringup
NVIDIA USA
Remote, United States
…owner from the first power-on, working alongside hardware, firmware, diagnostics, and test…
Added 2 days ago
IG
Staff Systems Engineer
Insight Global
Remote, United States
- From $100 USD / hour
Broad systems-level perspective with the ability to understand dependencies across hardware, software, firmware, testing, manufacturing, and program execution.
Added 2 days ago
Sr. Firmware Engineer II
Samsara
Remote, United States
You want to impact the industries that run our world: The software, firmware, and hardware you build will result in real-world impact – helping to keep the lights on, get food into grocery…
Added 2 days ago
Network Engineer I
Teknor Apex Company
Remote, United States
The Network Engineer I provides operational support for the enterprise network infrastructure and related technologies that enable business, manufacturing, communications, and collaboration…
Added 2 days ago
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Embedded Systems Staff Engineer
Bugcrowd
Remote, United States
- $96.75 to $133.03 USD / hour
As a Embedded Systems Staff Engineer, you will own the architecture, maintenance, and continued improvement of ARM architecture support within Bugcrowd.
Added 2 days ago
Firmware Engineer
Samsara
Remote, United States
As a Firmware Engineer at Samsara, you will develop software that runs on millions of devices, deployed by our industrial and enterprise customers. You’ll tackle challenges including…
Added 2 days ago
Senior QA Engineer
Skylight
Remote, United States
We’re seeking a Senior QA Engineer to lead quality efforts across in-app purchasing and subscription lifecycles, while also contributing to the quality of our broader mobile app experience.…
Added 2 days ago
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Penetration Tester - Hardware (Texas/Florida)
Packetlabs
Remote, United States
- $80,000 to $120,000 USD / year
Reverse engineer firmware and embedded binaries (Ghidra, IDA, Binwalk, etc.) to find logic flaws, hardcoded secrets, and exploitable conditions
Added 2 days ago
Staff Machine Learning Engineer - Edge AI
Samsara
Remote, United States
…ML infrastructure for Samsara. As a Staff Machine Learning Engineer, you will be working with petabyte-scale sensor, diagnostic, video, and text data to solve critical problems for Physical…
Added 3 days ago
Lead Systems Design Engineer
Jobgether
Remote, United States
We are looking for an experienced Lead Systems Design Engineer to drive the development and implementation of firmware for next-generation data center GPU products.
Added 3 days ago
[US] Electronic Engineer
EdgeCortix
Remote, United States
We are seeking a highly skilled Senior Electronic Engineer to lead the design, development, and validation of our next-generation, high-speed PCIe-based hardware products. In this role, you…
Added 3 days ago
Senior Software Engineer II
Samsara
Remote, United States
We are looking for a product-minded senior engineer who can own ambiguous problems end to end, make practical tradeoffs across surfaces, and ship work that holds up in the field. You will…
Added 3 days ago
RU
Senior Software Engineer (Golang/TypeScript)
Randstad USA
Remote, United States
- $140,000 to $180,000 USD / year
Architect and write robust controller firmware primarily in Go for embedded Linux environments.
Added 3 days ago
Performance & Debug Software Engineer – AI Inference
Positron AI
Remote, United States
This engineer will improve end-to-end large language model (LLM) inference performance on Positron's custom AI accelerators, including our FPGA-based Atlas systems and our Titan systems…
Added 3 days ago
Sr Ethernet AI Network Engineer
Jobgether
Remote, United States
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Sr Ethernet AI Network Engineer based in the United States.

Positron AI

Performance & Debug Software Engineer – AI Inference

Remote, United States

Compensation & Benefits The base salary range for this role is $200,000 – $300,000.

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Job details

Pay: Compensation & Benefits The base salary range for this role is $200,000 – $300,000.
Posting language: English
Posted: Aug 3, 2026

Original job description

About Positron AI Positron AI is building next-generation AI inference accelerators designed from the ground up for low-latency, high-throughput large language model inference. Our first-generation ASIC, Asimov, is a cutting-edge accelerator targeting frontier AI workloads, with additional generations already underway.

Role Overview This engineer will improve end-to-end large language model (LLM) inference performance on Positron's custom AI accelerators, including our FPGA-based Atlas systems and our Titan systems built on the Asimov ASIC. The work spans hardware-accelerated attention, accelerator tuning, distributed KV cache, and scalable inference serving architectures. It covers profiling, algorithms, GPU-side data preparation, host-to-device data movement, runtime behavior, and measurement on production-relevant models.

You will join a small, performance-focused team that is expected to optimize the whole stack, and not merely tune isolated kernel interfaces. The goal is to sustain a repeatable path from observing workload symptoms to identifying root causes and creating measured improvements.

Key Responsibilities

Performance Profiling and Optimization

Profile and optimize latency, throughput, utilization, and efficiency across hardware-accelerated attention, accelerator configuration, the device runtime, host software, and on-device execution.
Use performance counters, hardware and software traces, telemetry, and simulation to isolate regressions and validate fixes.

Distributed Inference and KV Cache

Develop and optimize distributed inference capabilities, including efficient KV cache management and data movement across heterogeneous hardware.

Benchmarking and Test Infrastructure

Build representative benchmarks and workload traces that expose bottlenecks in compute, memory, chip-to-chip interconnect, networking, scheduling, and model loading.
Partner with test engineers embedded in the team to turn performance findings into durable regression tests and release gates.

Architecture Influence

Influence hardware and software architecture and interfaces where measured performance reveals a structural limitation.

Required Qualifications

Strong C++ and Python skills, with hands-on experience profiling and optimizing complex systems that exercise Linux VFIO interfaces..
Deep understanding of memory hierarchy, concurrency, data movement, batching, scheduling, and performance measurement.
Hands-on experience using profilers, counters, traces, and statistical methods to distinguish signal from noise.
Demonstrated ability to debug across application, runtime, driver, firmware, and hardware boundaries.
Experience bringing up software on new silicon, and debugging and analyzing performance optimizations in customer production deployments.
Enthusiasm for AI-accelerated software development, including using coding agents and orchestrating subagents to move faster without compromising engineering outcomes.

Preferred Qualifications

Experience with CUDA, HIP, Triton, GPU kernel development, distributed inference, or KV cache systems.
Familiarity with transformer inference, mixture-of-experts (MoE) models, model serving, FPGA or ASIC accelerators.
Working knowledge of Perfetto, Linux perf, eBPF, simulation, or hardware performance counters.

Leveling & Scope While this role is currently posted at a specific level, we are a growth-oriented organization and are open to hiring at a more senior level for the right candidate. Please note that this job description serves as a focused but generalized overview of the role; specific responsibilities and impact expectations will be tailored to the experience and seniority of the final hire. What Success Looks Like

Within the first 12 months:

A baseline performance scorecard exists for priority workloads, with repeatable measurement and clearly identified bottlenecks.
At least one major bottleneck in hardware-accelerated attention, accelerator tuning, or distributed inference has been removed, with an automated regression guard in place.
A key distributed inference data path has a working implementation with quantified end-to-end cost.

Why Join Us?

Work on a small, high-leverage performance team with the mandate to debug and improve the full stack, from application code down to firmware and hardware, rather than being confined to a single layer.
Help shape the distributed inference architecture and KV cache strategy for a custom inference accelerator at a formative stage, with direct influence over interfaces and system design.

Compensation & Benefits The base salary range for this role is $200,000 – $300,000. Please note that the figures provided represent the base salary range only and do not include other elements of our total compensation package, equity, or comprehensive benefits. At Positron AI, we value the unique expertise each candidate brings. While the range above reflects our typical expectation for the position, we reserve the flexibility to exceed this range for candidates whose specialized skills, significant experience, or unique qualifications fall outside the standard scope of the role. Final offers are determined based on a variety of factors, including internal equity, and individual impact. Benefits & Perks We want you to do your best work and feel confident that you and your family are taken care of. That means comprehensive coverage, real time to rest, and support for your future. Health and wellness

Fully company-paid medical, dental, and vision insurance for you and your dependents.
Company-paid life and disability coverage, with voluntary options to add more.
Supplemental hospital, critical illness, and accident coverage available.

Time off and flexibility

Unlimited paid time off; we encourage everyone to truly unplug and recharge.
13 paid company holidays.
Remote-first culture with a company-provided computer and home office setup.

Compensation and future

Competitive salary and equity.
401(k) with company matching, eligible from day one.

Visa Support This position is open to candidates currently authorized to work in the U.S. We cannot provide new visa sponsorship for this role but are open to facilitating H-1B visa transfers for eligible candidates. Equal Opportunity Employer. If you're excited about the role but don't meet every bullet, we'd still love to hear from you.

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