Senior Linux Systems Engineer

We are looking for a highly motivated Senior Linux Systems Engineer to join our Computing Team!

You will work on high-performance computing (HPC) systems that are part of our sequencing platform. The ideal candidate is a hands-on Linux expert who thrives on optimizing performance and building secure, scalable and reliable systems in a fast-paced environment.

Responsibilities:

• Design, build, and maintain high-performance Linux systems supporting compute and data-intensive workloads
• Optimise system performance through kernel and filesystem tuning; identify and eliminate I/O, memory, or network bottlenecks
• Automate provisioning and configuration management using orchestration tools such as Ansible and Salt
• Monitor and troubleshoot kernel, driver, and hardware issues; perform root cause analysis in partnership with data and engineering teams and propose long-term solutions
• Ensure system reliability through regular patching, monitoring, and performance tuning
• Maintain accurate system documentation, runbooks, and configuration baselines
• Collaborate with software, hardware, and scientific teams to ensure platform reliability and scalability

Qualifications, Skills, Knowledge & Abilities:

• BS in Computer Science, Engineering, or related field
• 5+ years of experience designing and building high-performance physical Linux systems in high-throughput or mission-critical environments
• Deep knowledge of Linux kernel, NFS and Linux file system performance tuning
• Solid background in TCP/IP networking, routing, VLANs, and firewall rules
• Experience with the latest CPU and GPU technologies
• Proficiency in shell scripting (bash), working knowledge of Python, and familiarity with Ansible or similar configuration management tools
• Proven hands-on experience building servers from components, diagnosing hardware failures, and working with vendors
• Excellent documentation and communication skills
• May occasionally be exposed to activity that requires pulling/lifting/moving/carrying up to 50 lbs
• Experience with cloud computing infrastructure (e.g. AWS) and Docker desirable
• Familiarity with security frameworks and compliance standards (e.g. ISO 27001) a plus

At Ultima Genomics, your base pay is one part of your total compensation package. This role pays between $125,000 and $150,000, if performed in California, and your actual base pay will depend on your skills, qualifications, experience, and location.