Senior DevOps Engineer — Cloud, CI/CD & Observability

Mark43; Orangeburg (SC); Remote; USD 120,000 - 180,000; Full time

Job summary

Mark43 is seeking a DevOps Engineer to scale and maintain the infrastructure powering our public safety platform. You will optimize AWS-based systems, automate deployments with IaC, and enhance observability to support rapid software delivery.

You’ll collaborate with Engineering, Security, and Product teams, drive GitOps with Kubernetes, Helm, and ArgoCD, and participate in a 24/7 on-call rotation to keep our platform resilient.

Qualifications

• 5+ years of professional experience in a DevOps, Platform Engineering, Site Reliability Engineering, or related infrastructure-focused role.
• Strong hands-on experience with AWS and/or Azure cloud infrastructure.
• Experience designing, building, and maintaining automated CI/CD pipelines for application builds, testing, and deployments.
• Proficiency with Infrastructure as Code technologies, particularly Terraform.
• Experience with containerization and orchestration technologies such as Docker, Kubernetes, and Helm.
• Experience implementing and maintaining monitoring, logging, observability, and alerting solutions.
• Familiarity with GitOps practices and deployment automation tools such as ArgoCD.
• Experience with scripting or programming to automate infrastructure operations, improve developer workflows, and build internal tooling.
• Strong understanding of cloud infrastructure reliability, scalability, security, and compliance best practices.
• Ability to troubleshoot complex infrastructure issues and proactively identify opportunities to improve system performance and reliability.
• Strong communication and collaboration skills, with the ability to work independently, take ownership of technical projects, and partner effectively with engineering teams.

Responsibilities

• Manage and optimize AWS cloud infrastructure to ensure scalability, reliability, security, and high availability.
• Build and maintain Infrastructure as Code (IaC) using Terraform to automate infrastructure provisioning and management.
• Develop, improve, and maintain CI/CD pipelines to streamline application builds, testing, and deployments.
• Drive GitOps practices and automation using technologies such as Kubernetes, Helm, and ArgoCD.
• Improve platform observability by implementing and optimizing monitoring, logging, alerting, and troubleshooting capabilities.
• Build internal tools and automation that improve developer productivity, reduce manual processes, and enable engineering teams to deploy software more efficiently.
• Partner with engineering teams to establish DevOps best practices, improve deployment workflows, and strengthen platform reliability.
• Identify and resolve infrastructure performance bottlenecks, operational inefficiencies, and potential points of failure.
• Participate in a shared 24/7 on-call rotation to support production infrastructure and troubleshoot critical incidents.
• Own and drive infrastructure projects that contribute to the long-term scalability, stability, and health of the Mark43 platform.

Skills

AWS & Azure

CI/CD pipelines

Terraform IaC

Kubernetes

Helm

ArgoCD

GitOps

Observability

Automation scripting

Security & compliance

Tools

Docker

Grafana

ArgoCD

Job description

Mark43 is seeking a DevOps Engineer to scale and maintain the infrastructure powering our public safety platform. You will optimize AWS-based systems, automate deployments with IaC, and enhance observability to support rapid software delivery.

You’ll collaborate with Engineering, Security, and Product teams, drive GitOps with Kubernetes, Helm, and ArgoCD, and participate in a 24/7 on-call rotation to keep our platform resilient.