Senior Site Reliability Engineer

Paxos; United States; On-site; USD 157,000 - 186,000; Full time

Job summary

At a leading company in financial services, the Senior Site Reliability Engineer plays a crucial role in shaping scalable infrastructure and enhancing engineering efficiency. The role involves close collaboration with engineering teams, focusing on reliability, security, and performance of cloud-native systems using tools like Kubernetes and AWS. Candidates should have significant experience in Site Reliability Engineering and be strong problem solvers with a collaborative mindset.

Qualifications

• 5+ years experience in Site Reliability Engineering or related roles.
• Deep expertise in AWS services and Kubernetes.
• Solid scripting skills in Python or Bash.

Responsibilities

• Design and operate scalable cloud infrastructure primarily on AWS.
• Manage and evolve Kubernetes environments.
• Automate infrastructure provisioning and monitoring.

Skills

AWS

Kubernetes

Automation

Scripting (Python, Bash, Go)

Problem Solving

Education

Bachelor’s degree in Computer Science or Information Technology

Tools

Terraform

AWS Services (EC2, S3, Lambda)

Job description

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Today’s financial infrastructure is archaic, expensive, inefficient and risky — supporting a system that leaves out more people than it lets in. So we’re rebuilding it.

We’re on a mission to open the world’s financial system to everyone by enabling the instant movement of any asset, any time, in a trustworthy way. For over a decade, we’ve built blockchain infrastructure that tokenizes, custodies, trades and settles assets for the world’s leading financial institutions, like PayPal, Venmo, Mastercard and Interactive Brokers.

About The Team

The Site Reliability Engineering team at Paxos builds and maintains the secure cloud infrastructure that supports our mission to reshape the financial industry. They enhance engineering efficiency by creating standardized frameworks across product lines and develop self-service tools to streamline processes, making it easier for teams to get things done.

About The Role

As a Senior Site Reliability Engineer, you’ll play a critical role in shaping and scaling the infrastructure that powers our platform. You'll work closely with engineering teams to ensure our systems are reliable, secure, and performant with a strong focus on Kubernetes, AWS services, and infrastructure as code. Your expertise will help drive automation, improve developer velocity, and support the continued growth and maintenance of our cloud-native environment.

What You’ll Do

• Design, build, and operate scalable, highly available cloud infrastructure primarily on AWS.
• Manage and evolve our Kubernetes environments to support the deployment and operation of modern, containerized applications.
• Define and implement Infrastructure as Code (IaC) using tools like Terraform, CDK, or Crossplane.
• Automate infrastructure provisioning, configuration, maintenance, and monitoring to reduce manual effort and improve reliability.
• Apply best practices around security, observability, and cost optimization across infrastructure and services.
• Manage and optimize database technologies, with a focus on Amazon RDS and Aurora.
• Partner with development teams to
• Investigate and resolve incidents, perform root cause analysis, and implement long-term fixes.
• Participate in on-call rotations and provide support for critical production systems.
• Contribute to SRE best practices, internal tooling, and team knowledge sharing.

About You

• Bachelor’s degree in Computer Science, Information Technology, or a related field — or equivalent practical experience.
• 5+ years of experience in Site Reliability Engineering, DevOps, or related infrastructure roles.
• Deep expertise in public cloud platforms, especially AWS, with hands-on experience in services like EC2, S3, Lambda, CloudWatch, and IAM.
• Strong proficiency with Kubernetes and container orchestration — you’ve run production workloads and understand cluster management, scaling, and troubleshooting.
• Extensive experience with Infrastructure as Code (IaC) using tools such as Terraform, Pulumi, or Crossplane.
• Solid scripting or programming skills in languages like Python, Bash, or Go, with a strong focus on automation.
• Working knowledge of managed database services like Amazon RDS, Aurora, or PostgreSQL is a plus — but infrastructure is your main game.
• Excellent problem-solving and debugging skills, with a systems-thinking mindset.
• Strong communicator who thrives in collaborative, remote-first teams.

Important Notice for Paxos Applicants

We’ve become aware of fraudulent accounts posting as Paxos recruiters on LinkedIn and other platforms. These scammers attempt to deceive applicants into paying for job opportunities or providing personal financial information.

• We only use @paxos.com email addresses
• We never ask for payment or financial details to apply, interview, or work here
• For technical roles, we do not perform a coding interview without prior screening by our engineering team

Thanks for your interest in Paxos!

Paxos offers a competitive total compensation and benefits package, including equity and bonuses based on both your individual performance and company performance. Eligibility for bonuses is dependent on job level, and actual salary within the range depends on your skills, experience, and qualifications.

Expected range for the base salary component for candidates located within the United States is:

$157,254—$185,005 USD

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Engineering and Information Technology

• Industries

  Financial Services, Software Development, and Technology, Information and Media

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