Senior DevOps Engineer: Cloud, Kubernetes & AI Infra Hybrid

Hartree Partners; Portsmouth (NH); Hybrid; USD 140,000 - 190,000; Full time

Benefits offered by this job

Hybrid work schedule

Job summary

Hartree Partners is seeking a Senior DevOps Engineer to design, build, and operate reliable, scalable cloud infrastructure and deployment platforms. The role collaborates with software engineering and trading technology teams, with a strong focus on AWS, Kubernetes, IaC, CI/CD, data platforms and production reliability.

You will work with modern DevOps, SRE and GitOps practices, maintaining high-availability environments while driving automation and best practices across the team.

Qualifications

• 5+ years of experience in DevOps, SRE, Platform Engineering or Cloud Infrastructure roles.
• Proven expertise with AWS, including multi-account environments, networking, VPC design, IAM, security and cost optimisation.
• Strong hands-on experience with Infrastructure as Code, particularly Terraform and/or CloudFormation.
• Strong knowledge of CI/CD and GitOps practices and automation tooling such as GitHub, ArgoCD and KEDA.
• Solid experience with containerisation and orchestration using Docker and Kubernetes/EKS.

Responsibilities

• Design, build and maintain multi-account AWS environments, including networking, VPC architecture, IAM, security and cost optimisation.
• Deliver Infrastructure as Code using Terraform and CloudFormation to improve automation, governance, repeatability and reliability.
• Develop and maintain CI/CD and GitOps pipelines using GitHub, ArgoCD and KEDA, improving deployment automation and developer experience.
• Manage container platforms using Docker, ECS and Kubernetes/EKS, ensuring high availability, scalability and operational resilience.
• Build and support distributed data processing, workflow orchestration and event-driven solutions using Apache Airflow and Apache Kafka.

Skills

Autonomy

Critical thinking

Communication

Problem solving

Tools

AWS

Terraform

CloudFormation

Kubernetes

Docker

ECS

GitHub

ArgoCD

Kafka

Airflow

Prometheus

Grafana

CloudWatch

Job description

Hartree Partners is seeking a Senior DevOps Engineer to design, build, and operate reliable, scalable cloud infrastructure and deployment platforms. The role collaborates with software engineering and trading technology teams, with a strong focus on AWS, Kubernetes, IaC, CI/CD, data platforms and production reliability.

You will work with modern DevOps, SRE and GitOps practices, maintaining high-availability environments while driving automation and best practices across the team.