Top Senior Linux Jobs in Miami, FL

Build, secure, and operate AWS and AWS GovCloud infrastructure across commercial and government environments. Own CI/CD pipelines, Kubernetes and GitOps deployments, infrastructure as code, environment segmentation, secrets management, monitoring, incident response, database migrations, and compliance automation. Support FedRAMP, GovRAMP, and IL5 authorization requirements, collaborate with Security/GRC on audits and continuous monitoring, and improve reliability, scalability, and engineering productivity.

Own and scale Bitsight’s SaaS cloud infrastructure, focusing on reliability, security, automation, and cost efficiency. Design complex systems, troubleshoot production issues, validate AI-assisted infrastructure automation, and improve delivery processes. Lead technical discussions, establish infrastructure best practices, mentor engineers, and collaborate across teams. The role requires strong Linux, scripting, containerization, cloud, infrastructure-as-code, networking, and observability expertise, with occasional off-shift production support.

Provide senior-level ownership for AWS cloud platform operations, automation, and reliability. Support infrastructure provisioning, EKS/Kubernetes operations, EC2/AMI lifecycle, observability, incident response, patching, cost optimization, CI/CD automation, documentation, runbooks, and mentoring. Participate in on-call rotation, incident handling, and cross-team collaboration to ensure secure, scalable cloud operations.

As a Senior Site Reliability Engineer, you'll design and build complex systems, support Atlas platform operations, automate processes, and ensure high availability of services.

Executes systems engineering across R&D platforms, hybrid cloud, SaaS, HPC, containers, integrations, data pipelines, observability, and AI architectures. Coordinates Enterprise IT, vendors, cybersecurity, compliance, and scientific stakeholders to deliver secure, scalable, validated, and supportable solutions. Develops technical documentation, deployment plans, runbooks, monitoring, lifecycle artifacts, risk logs, and operational handoffs. Implements RAG, vector database, AI gateway, agentic workflow, and multimodal integration patterns while supporting cloud migration, change management, governance, and technical issue resolution.

Lead the technical direction, architecture, migration, reliability, scalability, performance, and security of cloud-native authentication services. Drive complex multi-quarter initiatives using Go and Python across AWS and GCP, establish engineering standards, support incident response and observability improvements, and influence cross-functional roadmaps. Mentor engineers through technical guidance, reviews, and collaboration while participating in on-call support.

Design, develop, and maintain high-performance networking software using C/C++ and Python. Work across L2-L7 protocols, Linux systems, virtualized environments, and network virtualization technologies. Debug complex distributed-system issues, analyze crash files, configure and test VM-based networking, and collaborate with architecture, QA, and DevOps teams. Participate in design reviews, documentation, and mentoring while delivering scalable, reliable, production-quality software.

Lead the architecture, development, and operation of a cross-platform RMM endpoint agent for Windows, macOS, and Linux. Build systems-level components in Rust and C/C++, secure networking capabilities, and integrations with distributed backend services. Improve concurrency, performance, reliability, and resource usage while owning components through production support. Lead technical decisions, design and code reviews, cross-team initiatives, and mentorship for systems engineering practices.

Designs, automates, and supports enterprise DevOps platforms across on-premises and hybrid cloud environments. Responsibilities include CI/CD, infrastructure as code, Linux administration, Kubernetes and container platforms, Azure and GCP operations, AI/ML infrastructure support, monitoring, reliability engineering, production support, security, disaster recovery, and cloud modernization. The role partners with infrastructure, development, security, architecture, and operations teams while participating in incident management and on-call rotations.

Lead the design and operation of AWS and Kubernetes platforms, infrastructure automation, CI/CD, observability, security, and developer self-service capabilities. Drive cross-team platform initiatives, establish technical standards, improve reliability and operational practices, participate in incident response, mentor engineers, and guide architecture for regional and ephemeral environments.

Designs, develops, deploys, administers, and sustains MuleSoft Anypoint Platform and/or Informatica integrations in AWS GovCloud. Builds secure REST APIs and Mule applications, manages API gateways and lifecycle governance, implements authentication, monitoring, CI/CD, and data synchronization, and integrates Navy logistics and mission-partner systems. The role also performs testing, documentation, incident triage, performance tuning, RMF/STIG support, stakeholder coordination, and knowledge transfer.

Lead and develop an SRE team responsible for the reliability, availability, performance, automation, and observability of Linux-based digital commerce infrastructure. Set SRE and DevOps strategy, modernize Kubernetes and CI/CD practices, establish automation and infrastructure-as-code standards, oversee incident response, and drive SLIs, SLOs, and error budgets. Partner across engineering, architecture, infrastructure, security, networking, and product teams while recruiting, mentoring, and developing SRE talent.

Provides senior engineering support for enterprise infrastructure and ServiceNow-enabled platforms across hybrid cloud, compute, storage, networking, databases, and automation. Leads complex deployments, configuration, monitoring, troubleshooting, security remediation, architecture reviews, and technical workstreams. Uses Azure, PowerShell, Python, Terraform, SQL, and observability tools to improve reliability and scalability. Collaborates with cross-functional teams, supports compliance and change management, mentors engineers, contributes to strategic roadmaps, and participates in on-call support.

Architect, deploy, and operate highly available multi-cloud infrastructure across AWS and Azure. Manage Kubernetes, Linux systems, databases, caching platforms, CI/CD pipelines, infrastructure as code, observability, security, incident response, and performance optimization. The role also requires automation with Python and Bash, comprehensive documentation, client collaboration, and participation in a 24/7 on-call rotation.

Lead and scale the quality assurance strategy for a remote health technology company. Manage and mentor QA engineers across Scrum teams, oversee automated and manual testing, integrate test frameworks with CI/CD pipelines, establish quality metrics, improve test coverage and environments, and ensure compliance with regulated-industry standards. Partner with engineering, product, and executive leadership to drive quality practices across the software development lifecycle.

Provides staff-level customer-facing technical support for complex multi-cloud networking and security issues. Serves as an escalation point, leading troubleshooting, packet analysis, root cause analysis, deployments, integrations, optimization, and upgrades. Collaborates with sales, solution engineering, and product engineering teams; identifies defects, validates fixes, and improves product quality. Develops technical documentation, runbooks, and troubleshooting guides while advising leadership on recurring customer issues.

Develop and maintain Linux kernel components and live-patching infrastructure for Rocky Linux. Responsibilities include kernel design, C programming, debugging memory management and process scheduling issues, device-driver and hardware integration, performance optimization, code review, documentation, and mentoring junior developers. The role requires deep Linux kernel internals expertise, familiarity with x86 and ARM architectures, Git workflows, and at least five years of kernel development experience.

Design, deploy, and maintain reliable production and corporate systems; manage configuration, security, and core infrastructure; participate in on-call incident response; build automation, CI/CD pipelines, and Infrastructure-as-Code; monitor systems and develop tools to improve reliability and availability.

Build and maintain Python-based automation, services, test infrastructure, and performance analysis tooling for a distributed database system. Collaborate with internal stakeholders, improve developer tooling and reproducible testing, analyze system performance, and create documentation and runbooks. The role requires strong software fundamentals, systems thinking, Linux and CI experience, and the ability to learn new languages and systems quickly.

Owns end-to-end enterprise application architecture for secure, scalable court-record systems. Responsibilities include designing microservices, REST APIs, micro-frontends, cloud and hybrid-cloud solutions, authentication frameworks, workflows, and integrations; leading architectural reviews, code reviews, DevSecOps and CI/CD initiatives; mentoring technical teams; evaluating technologies; and ensuring security, compliance, accessibility, and governance standards.

Lead the strategy, architecture, and operation of Chainguard’s database platform. Build production tooling and automated guardrails; improve replication, high availability, backups, disaster recovery, migrations, capacity planning, and global database resilience. Assess risks across existing systems, establish standards and governance, write production code, and lead cross-functional initiatives across engineering teams. The role requires deep PostgreSQL and MySQL expertise, cloud infrastructure experience, Linux and Go proficiency, and staff-level technical leadership.

Build and maintain scalable infrastructure platforms supporting domestic and international workloads. Develop CI/CD, declarative lifecycle management, Kubernetes clusters, monitoring, and automation systems. Troubleshoot infrastructure issues, respond to alerts, minimize downtime, streamline delivery pipelines and database changes, and help guide SRE team direction. Collaborate with engineers, data scientists, and technology professionals while promoting a high-performance, cross-functional culture.

Lead architecture, development, and delivery of Azure SmartNIC and networking software, including RDMA, virtualization, hardware offloads, and high-performance networking. Collaborate across hardware, firmware, silicon, and cloud teams; improve reliability and performance using telemetry; guide platform strategy; troubleshoot production systems; and provide technical leadership through design reviews, mentoring, and incident response.

Design and scale ARM64 compute platform infrastructure, hypervisor integrations, instance management, resource orchestration tools, and compute APIs. Develop and maintain low-level services using Python, Go, or compiled systems languages. Collaborate with hardware and global engineering teams, participate in design reviews, debug distributed Linux systems, and mentor junior engineers.

Develop and own compute and GPU server platforms from architecture through global deployment. Responsibilities include schematic and layout reviews, design for manufacturability, new product introduction, board and system bring-up, validation, debugging, firmware and BIOS feature management, technology qualification, and vendor coordination. The role requires hands-on server architecture, board-level design, Linux and scripting expertise, platform validation, and five-day-per-week presence in the Cambridge office.