Top Senior Linux Jobs in Miami, FL

Design, develop and execute automated and manual tests for router/chassis features (SONiC). Develop Python/Pytest test cases, analyze results, debug with SW/HW/Firmware teams, and drive features to GA readiness.

Design and architect enterprise Pega solutions using PRPC v5/v6 and banking/insurance frameworks. Lead projects, perform integration with databases and middleware, and apply PL/SQL, shell scripting, J2EE/.NET and web technologies.

Design and lead enterprise Pega solutions and architectures using Pega PRPC v5/v6 and banking/insurance frameworks. Develop integrations with Oracle/MS SQL, PL/SQL and Unix shell scripting. Apply J2EE/.NET or web technologies, drive projects independently, provide technical consulting, and support travel for client engagements.

As a Systems Engineer, you will ensure robust, efficient, and secure systems while collaborating with teams and maintaining system documentation and support.

Design, deploy, manage, and troubleshoot high-performance InfiniBand and Ethernet networks for HPC. Perform performance tuning, capacity planning, and monitoring. Implement Fortinet security, resolve routing/switching/latency issues, collaborate with compute and storage teams, document architectures, and participate in on-call escalation and upgrades.

Build and maintain cloud infrastructure and observability for scalable systems. Monitor, troubleshoot, patch, and automate operations using IaC, CI/CD, Kubernetes, and AI-driven automation. Manage backups, disaster recovery, log pipelines, databases, and message streaming. Collaborate with engineering, security, and business teams to improve reliability, incident response, and infrastructure lifecycle (including Terraform state cleanup and decommissioning).

Design, automate, and maintain scalable infrastructure and SRE tooling. Manage Kubernetes clusters, CI/CD, monitoring, and incident response. Improve processes, reduce toil via automation, and collaborate with engineering and data teams to support domestic and international workloads.

Design, develop, and maintain cloud-native applications using Node.js and React. Implement infrastructure-as-code (Terraform/CDK), deploy CI/CD pipelines, troubleshoot Linux systems, ensure secure AWS deployments, and collaborate with cross-functional teams to operate cloud workloads.

Deploy, maintain, and automate application infrastructure on GCP using Kubernetes, Docker, Helm, ArgoCD, and Terraform. Build automation pipelines, support and troubleshoot in-house and third-party apps, document processes, and participate in on-call rotation.

Develop and maintain embedded firmware and kernel/user-mode device drivers for Ethernet-based networking devices. Design, implement, test, and integrate drivers into a Linux and AUTOSAR communication stack, build SDK components, and create debug/test utilities and automated unit/system tests for safety-critical automotive applications.

Design, implement, and operate secure, scalable Linux infrastructure across on-prem and AWS with primary focus on Kubernetes/EKS. Build and automate IaC (Terraform/Ansible/CloudFormation), CI/CD pipelines (GitLab), monitoring/alerting, cluster upgrades, autoscaling, security hardening, multi-tenant isolation, and disaster recovery. Support container builds, GitLab Runners, RDS databases, compliance (SOX/SOC2), incident response, and on-call rotations while collaborating with development and QA teams to improve reliability and operational standards.

Senior frontend developer responsible for building and maintaining Angular 16+ UI in large distributed environments. Work includes HTML5/CSS3/TypeScript development, WebComponents, automated testing, CI/CD with Docker, Git workflows, cross-browser optimization, and collaborating on integrations with Java/Spring Boot REST services. Agile team collaboration and problem-solving required; banking domain experience preferred.

Lead 24x7 application support for external web applications: manage incidents, perform RCA, implement preventative fixes, build monitoring/alerts, expand Splunk functionality, create dashboards, collaborate with development and platform teams, and participate in on-call rotation.

Provide senior SRE expertise to improve reliability, scalability, performance, and resilience of a cloud-hosted geospatial platform. Design monitoring/observability, automate deployments, support incident response, optimize capacity and performance, and collaborate across DevSecOps, Kubernetes, database, and support teams in a mission-focused DoD environment.

Lead configuration, maintenance, and expansion of mission-critical Windows and Linux server infrastructure. Monitor systems, apply patches and security fixes, evaluate new tools, write automation scripts, mentor IT staff, and participate in on-call rotation to ensure high availability.

Own end-to-end enterprise on-prem/cloud Kubernetes deployments inside customer-managed environments. Troubleshoot unfamiliar systems, write Python/Bash diagnostics, codify IaC (Terraform, Helm), liaise with client engineering, and ensure reliability of PostgreSQL, Redis, networking, and storage components.

Own and operate Chess.com's Elasticsearch/OpenSearch platform: capacity planning, cluster architecture, performance tuning, incident response, migrations, and GitOps-driven infrastructure. Provide on-call incident leadership, snapshot/disaster recovery, index and mapping guidance, and enable cross-team use of dashboards and query optimizations at massive scale.

Build and maintain platform systems that provision, secure, and observe isolated agent execution environments. Design reusable primitives for queues, jobs, locks, and service-bus mechanics. Extend Pulumi-based IaC, work with containers, Linux internals, storage, permissions, logging, and runtime debugging. Ship reliable, maintainable infrastructure-driven application code and collaborate in a small cross-functional team.

Participate in full SDLC building and integrating software for DoD customers. Develop C++/Python systems, curate synthetic geospatial raster data, apply TDD, operate in DevSecOps pipelines, and use containerization and CI/CD for deployment and testing.

Lead the engineering team, manage feature delivery, mentor team members, and maintain TimeZest's infrastructure, focusing on customer satisfaction.

Administer and maintain IRIS for Health integration platforms on AWS EC2 and Linux, manage network security and PaloAlto VPNs, build CI/CD with CodeFresh/GitLab, integrate and troubleshoot EHR interfaces (Epic, Cerner, Allscripts), automate provisioning with scripting (Python, ObjectScript, Bash, JavaScript), implement infrastructure automation, monitor systems, participate in on-call support, and optimize performance and reliability.

Lead cloud mobile core platform operations: configure and manage core network elements (HLR/HSS, SGSN, GGSN/PGW, SMSC, SBC, STP, DRA), troubleshoot with Wireshark, run security audits, implement interconnects, build dashboards, handle incidents and on-call duties, and collaborate with providers and internal teams.

Design, implement, and operate secure, scalable multi-cloud infrastructure (Azure/AWS) with IaC (Terraform), managed Kubernetes, containers, and AI platform support. Lead complex projects, define operational processes, ensure security/compliance, mentor teammates, and maintain observability for production systems.

Lead design, implementation, and operation of production-quality DevOps platforms and automated test infrastructure for heterogeneous edge hardware. Improve CI/CD, build/release, deployment automation, developer tooling, and platform reliability. Enable reproducible tests, diagnose failures across devices, partner with engineering and QA, and drive major infrastructure initiatives from ambiguity to production.

Design, implement, and manage Ansible-based automation (playbooks, roles, Tower) for configuration management, software deployment, security compliance, troubleshooting, documentation, and training. Collaborate with sysadmins and developers, support production systems, participate in on-call rotation, and travel to data centers as needed.