Minimum 1 year of Linux systems engineering experience; 1-5 years preferred.
Experience managing large-scale Linux environments (hundreds to thousands of servers).
Proficient in programming with Python, Go, or similar languages.
Strong understanding of system design principles, including TCP/IP, DNS, and networking.
In-depth knowledge of Linux internals like memory management and network stack.
Familiarity with low-latency tuning techniques and real-time kernels.
Experience with containers and Kubernetes is a plus.
Responsibilities
Enhance and manage the Linux platform for better performance.
Develop automation solutions for environment maintenance.
Address complex issues from kernel to application levels.
Oversee the entire lifecycle of Linux systems including certification and upgrades.
Facilitate the creation and management of custom Debian images.
Benefits
Fully paid medical and dental insurance premiums for employees and dependents.
Competitive 401k match and employer-paid life & disability insurance.
Onsite gyms, wellness activities, and casual dress policy.
Tuition reimbursement and sponsorship for conferences/training.
Generous vacation policy, unlimited sick days, and competitive caregiver leaves.
Hybrid work policy with budget for home office setup.
Full Job Description
Position Summary
The Infrastructure Engineering team focuses on developing and supporting the core of Two Sigma's Linux environment. You'll work closely with collaborators across the company to ensure that our innovative research and trading software can run across multiple environments at substantial scale. You'll lead a variety of critical tasks, including modifications of upstream Debian images for bare metal/VMs/containers, compiling custom kernels, configuration management, server monitoring and telemetry, and much more. Your focus will be across the full stack - from hardware to the virtualization layer to the OS, automating lifecycle management of our enterprise Linux environment.
You will take on the following responsibilities:
Improve and manage the Linux platform, focusing on performance improvements and reducing operational complexity
Develop automation to maintain our Linux environment
Solve sophisticated issues across the stack, from kernel-level problems to application performance
Lead the full lifecycle of Linux systems from certification of new hardware, image creation, installation, upgrades and overall lifecycle management
You should possess the following qualifications:
Minimum 1 year of experience required; 1-5 years of experience preferred working in a Linux systems, software or reliability engineering capacity
Experience running and configuring large-scale Linux environments (100s-1000s of servers)
Proven programming experience in Python, Go or a similar programming language
Understanding of system design principles, including distributed systems architecture and networking fundamentals including TCP/IP, DNS, and firewalls
Deep knowledge of Linux internals including the scheduler, memory management, and network stack
Experience with low-latency tuning techniques such as busy polling, huge pages, real-time kernels, and isolcpus
Familiarity with kernel bypass networking, FPGA integration, or direct market access connectivity is highly desirable
Experience with containers, Kubernetes, and/or C to help compile and troubleshoot kernel issues is a plus
You will enjoy the following benefits:
Core Benefits: Fully paid medical and dental insurance premiums for employees and dependents, competitive 401k match, employer-paid life & disability insurance
Perks: Onsite gyms with laundry service, wellness activities, casual dress, snacks, game rooms
Learning: Tuition reimbursement, conference and training sponsorship
Time Off: Generous vacation and unlimited sick days, competitive paid caregiver leaves
Hybrid Work Policy: Flexible in-office days with budget for home office setup
The base pay for this role will be between $165,000 and $250,000. This role may also be eligible for other forms of compensation and benefits, such as a discretionary bonus, health, dental and other wellness plans and 401(k) contributions. Discretionary bonus can be a significant portion of total compensation. Actual compensation for successful candidates will be carefully determined based on a number of factors, including their skills, qualifications and experience.
About Two Sigma Investments, LLC
Two Sigma Investments is a quantitative investment management firm that uses data science and technology to identify investment opportunities. The company's solutions are designed to help investors make better decisions and generate higher returns. Two Sigma Investments offers a range of products, including hedge funds, private equity, and venture capital. The company was founded in 2001 and is headquartered in New York City.
