Senior Linux Systems Administrator

About Pagaya

Pagaya is a global technology company making life-changing financial products and services available to more people nationwide, as it reshapes the financial services ecosystem. By using machine learning, a vast data network and a sophisticated AI-driven approach, Pagaya provides comprehensive consumer credit and residential real estate solutions for its partners, their customers, and investors. Its proprietary API and capital solutions integrate into its network of partners to deliver seamless user experiences and greater access to the mainstream economy. Pagaya has offices in New York and Tel Aviv. For more information, visit pagaya.com .

About the Role  

We are seeking an experienced Senior Linux Systems Administrator to join the team responsible for managing and maintaining our high-performance, multi-user Linux server environment and CI/CD pipelines. This hands-on role is critical to the daily operations of our research and engineering groups. The ideal candidate will possess a strong background in Linux system administration, proficiency in Python for updating and maintaining custom tooling, and the technical capability to provide high-tier support to our engineering users. As a proactive, self-learner individual, you take initiative, work independently, and actively identify opportunities for operational improvement and bring new ideas to the table.

Responsibilities

• Core Infrastructure: Manage and scale our large-scale AWS-hosted Linux server environment, ensuring high availability and performance.

• Tooling & Automation: Architect and maintain custom Python-based solutions for automation, internal dashboards, and self-hosted services.

• Engineering Enablement: Provide high-level support for our internal users, resolving complex environment and connectivity challenges to keep the team unblocked.

• Pipeline Reliability: Own the health and optimization of our CI/CD pipelines (Jenkins/GitHub Actions).

• Security & Governance: Proactively manage system hardening, backups, and routine security audits.

Requirements

• 5+ Years of provable hands-on Linux system administration experience - MUST

• Certifications such as RHCSA, RHCE, or Linux+

• Proficiency in managing multi-user Linux environments including clients and servers.

• Experience working with AWS - MUST

• Strong scripting skills in Bash and Python for automation and tooling.

• Experience integrating and configuring modern developer tools (e.g., Cursor) into the server environment.

• Knowledge of networking fundamentals and security best practices.

• Experience with CI/CD processes (e.g., Jenkins, Github workflow)

• Strong communication skills with the ability to assist users of varying technical expertise.

• Knowledge with containerization technologies (e.g., Docker).

Advantages

• Familiarity with AWS FSX managed storage - BIG advantage

• Experience in a machine learning or data science environment.

• Experience utilizing or deploying AI-based tooling for system administration and automation.

• Familiar with HPC job schedulers (SLURM, LFS)

Our Team

Pagaya was founded in 2016 by seasoned research, finance, and technology entrepreneurs, and we are now 500+ strong in New York, Los Angeles, and Tel Aviv.

We move fast and smart, identifying new opportunities and building end-to-end solutions from AI models and unique data sources. Every Pagaya team member is solving new and exciting challenges every day in a culture based on partnership, collaboration, and community.

Join a team of builders who are working every day to enable better outcomes for our partners and their customers.

Our Values

Our values are at the heart of everything we do. We believe great solutions are built through a great community.

• Advance Inclusion- We create a world where everyone can win, designing systems that better represent people and generate sustainable value for our employees, partners and investors.

• Be Accountable Together- We proudly own our actions and our results, taking initiative to ensure our work gets over the finish line as a team.

• Continuously Learn- We challenge ourselves for the sake of getting better as individuals, as teams, and as an organization to deliver for our partners.

• Debate and Commit- We respectfully and openly debate to strengthen our ideas and build shared conviction - once we decide, we go all in, together.

• Dream Big and Act- We boldly tackle complex problems, pressure-test solutions in real-time, and adapt with speed and energy.

More than just a job

We believe health, happiness, and productivity go hand-in-hand. That's why we're continually looking to enhance the ways we support you with benefits programs and perks that allow every Pagayan to do the best work of their life. 

Pagaya is an equal opportunity employer. Pagaya is encouraging diversity and actively seeking applicants from all backgrounds, as are committed to creating a diverse workforce together with an inclusive environment for all. Employment is decided on the basis of qualifications, skills, and business needs. https://pagaya.com/privacy-policy