Find Linux system Jobs in Dublin, D

Kernel / Hypervisor Engineer, Firecracker
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Computer Science
- SQL
- AWS
Infrastructure Engineer
Crusoe —Dublin, County Dublin
- Full-time
- Computer Science
- Analysis skills
- Bachelor's degree
Quick apply
Senior Systems Engineer
Arista Networks —Dublin, County Dublin
- On call
- Computer Science
- Administrative experience
- Bachelor's degree
Quick apply
kdb+ Engineer
Data Intellect —Dublin, County Dublin
- Full-time
- Hybrid work
- Azure
- AWS
- Software development
- Referral programme
Quick apply
Senior Vice President, Application Support Manager
The Bank of New York Mellon Corporation —Dublin, County Dublin
- Full-time
- Oracle
- DevOps
- SQL
Software Engineer - Frontend/Full Stack
PlayStation Global —Dublin, County Dublin
- €69,500–€104,300 a year
- Computer Science
- Java
- AWS
Quick apply
Application Security Engineer
Elwood Roberts —Dublin, County Dublin
- €70,000–€77,000 a month
- Full-time
- Linux
Quick apply
Senior Platform Engineer - Data License Plus
Bloomberg —Dublin, County Dublin
- AWS
- Scripting
- Linux
6d
Senior Core Technologies Engineer
Intercom —Dublin, County Dublin
- Hybrid work
- Annual leave
- Work from home
Senior SRE, Ads
Reddit —Dublin, County Dublin
- On call
- Remote
- Linux
- Python
- Annual leave
Quick apply
Senior Software Engineer, Database - Demonware - Dublin, IRL
Activision —Dublin, County Dublin
- Analysis skills
- No degree
- Agile
Java Software Engineer (AVP)
Citi —Dublin, County Dublin
- €71,440–€107,160 a year
- Full-time
- Computer Science
- System design
- Java
6d
Embedded Engineer- Aircraft
Manna —Dublin, County Dublin
- Full-time
- Hybrid work
- C++
- Linux
- Manufacturing
Quick apply
Senior Engineer, Network Observability
CoreWeave Europe —Dublin, County Dublin
- On call
- Computer Science
- Bachelor's degree
- Linux
- Employee assistance program
Quick apply
Lead, Cloud Operations Engineering
MongoDB —Dublin, County Dublin
- On call
- Hybrid work
- Azure
- DevOps
- Java
12d
Development Manager
Sentrium —Dublin, County Dublin
- Remote
- Team management
- AI
- Leadership
- Annual leave
Escalation Manager
MongoDB —Dublin, County Dublin
- Hybrid work
- Azure
- DevOps
- AWS
4d
Staff Engineer, Firmware Engineering
Analog Devices —Glasnevin, County Dublin
- Full-time
- System design
- Master's degree
- C++
Site Reliability Engineering Manager, Security - Apple Services Engineering
Apple —Dublin, County Dublin
- Computer Science
- Java
- Master's degree
Senior Network Engineer
Mastercard —Dublin, County Dublin
- Full-time
- Project management
- Bachelor's degree
- Agile

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Kernel / Hypervisor Engineer, Firecracker

Amazon Development Centre Ireland Limited -
Dublin, County Dublin

Apply Now

Job details

Full-time

Qualifications

Rust (programming language)
Computer Science
SQL
AWS
C++
Bachelor's degree
Software development
GitHub
Linux
ARM

Full job description

DESCRIPTION

Join us at AWS Lambda in Dublin, Ireland, building Firecracker - the open-source virtual machine monitor (VMM) purpose-built for serverless and container workloads. Firecracker runs at global scale as the foundation of AWS Lambda, Aurora D-SQL, and other AWS services, and is integrated by 10+ external teams as part of their platforms.

We are looking for a Kernel / Hypervisor Engineer who is passionate about low-level systems programming and wants to push the boundaries of virtualization technology. In this role, you will work at the intersection of hardware and software - designing and implementing hypervisor components, device emulation, memory management, and guest-host interfaces in Rust on Linux/KVM. Your work will directly impact the security, performance, and efficiency of compute infrastructure serving millions of customers.

Key job responsibilities

Design, develop, and maintain hypervisor and VMM components in Rust, including virtual device emulation, memory management, and vCPU scheduling.
Optimize boot latency, memory footprint, and I/O throughput for ephemeral microVM workloads at global scale.
Harden the security boundary between guest and host, contributing to threat modeling and implementing isolation mechanisms.
Contribute to the upstream Linux kernel where needed to support Firecracker's roadmap.
Mentor and coach junior engineers, drive code quality through reviews, and champion best practices.
Participate in on-call rotation to ensure operational excellence of Firecracker-based services.

A day in the life
Your day might start by reviewing pull requests on the Firecracker open-source repository, providing feedback to community contributors or teammates. You then dive into implementing a new virtio device or optimizing a hot path in the VMM, writing Rust and reasoning about memory safety and performance trade-offs. After lunch, you collaborate with an internal AWS service team that consumes Firecracker to debug a subtle guest-host interaction - perhaps a vCPU scheduling anomaly or an unexpected memory mapping behavior. You wrap up by writing a design doc for an upcoming kernel interface change, getting input from colleagues across the team. Throughout the day, you balance deep technical work with collaboration, working in the open on GitHub alongside a global community.

About the team
We are the Compute Capsule team within AWS Lambda, based in Dublin, Ireland. We own Firecracker end-to-end - from its open-source development on GitHub to its deployment at scale inside AWS. We focus on serverless and container virtualization, trusted compute, and server fleet tooling. We value work-life balance, respect each other's time, and invest in growing every team member through mentorship, challenging assignments, and training. We believe diverse perspectives make us stronger and actively seek team players who thrive in collaborative, inclusive environments.

BASIC QUALIFICATIONS

Experience (non-internship) in professional software development
Hands-on experience with low-level systems programming (e.g., kernel, hypervisor, firmware, or embedded systems)
Proficiency in at least one systems language: C, C++, or Rust
Solid understanding of Linux internals (syscalls, memory management, process Experience with virtualization technologies (KVM, Xen, QEMU, or similar)

PREFERRED QUALIFICATIONS

Experience with Rust in production systems
Contributions to open-source projects (kernel, hypervisor, or systems tooling)
Experience with device emulation or virtio
Familiarity with hardware-assisted virtualization (Intel VT-x, AMD-V, or Arm virtualization extensions)
Knowledge of performance profiling and optimization at the systems level (perf, ftrace, eBPF)
Bachelor's degree or higher in Computer Science, Engineering, or a related field.

Amazon is an equal opportunities employer. We believe passionately that employing a diverse workforce is central to our success. We make recruiting decisions based on your experience and skills. We value your passion to discover, invent, simplify and build. Protecting your privacy and the security of your data is a longstanding top priority for Amazon. Please consult our Privacy Notice (https://www.amazon.jobs/en/privacy_page) to know more about how we collect, use and transfer the personal data of our candidates.

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.

Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.

Apply Now

Refine Your Search

linux system jobs in dublin, d

Kernel / Hypervisor Engineer, Firecracker

Infrastructure Engineer

Senior Systems Engineer

kdb+ Engineer

Senior Vice President, Application Support Manager

Software Engineer - Frontend/Full Stack

Application Security Engineer

Senior Platform Engineer - Data License Plus

Senior Core Technologies Engineer

Senior SRE, Ads

Senior Software Engineer, Database - Demonware - Dublin, IRL

Java Software Engineer (AVP)

Embedded Engineer- Aircraft

Senior Engineer, Network Observability

Lead, Cloud Operations Engineering

Development Manager

Escalation Manager

Staff Engineer, Firmware Engineering

Site Reliability Engineering Manager, Security - Apple Services Engineering

Senior Network Engineer

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