Top Senior Linux Jobs in Houston, TX

Provide L2/L3 production support for enterprise B2B integration and managed file transfer platforms. Administer, configure, deploy, monitor, patch, and troubleshoot Axway and related infrastructure, supporting partner onboarding, certificates, connectivity, incidents, changes, releases, disaster recovery, and high availability. Lead major incident restoration, root cause analysis, compliance activities, automation, and continuous improvement while coordinating customers, vendors, and global teams. Participate in a mandatory 24x7 on-call rotation and mentor junior engineers.

Lead the integration and production readiness of large-scale GPU clusters, including bare-metal provisioning, Linux and GPU configuration, Kubernetes and Slurm validation, performance benchmarking, acceptance testing, and Tier 3 operational support. Diagnose hardware, firmware, driver, networking, and distributed workload issues; optimize cluster reliability and performance; lead root-cause analysis, vendor escalations, upgrades, automation, documentation, and customer handoff activities.

Coordinate and execute software deployments across staging, testing, and production environments. Build and maintain CI/CD pipelines, automate deployment processes, troubleshoot failures, manage cloud configurations, perform post-deployment testing, and maintain deployment documentation and tooling. Collaborate with development, product, and operations teams to deploy and sustain mission-critical technology in DoD network environments while ensuring security, operational compliance, and deployment readiness.

Designs, deploys, administers, and troubleshoots Linux-based infrastructure supporting US Antarctic Program systems. Responsibilities include RHEL administration, virtualization, OpenShift clusters, backups, monitoring, security hardening, automation, DNS, Git, documentation, technical leadership, and 24x7 escalation support. The role may involve temporary Antarctic deployments and requires U.S. citizenship, Public Trust clearance, and NSF physical and dental examinations.

Lead development and maintenance of responsive websites and marketing campaign assets using Node.js and React. Manage backlogs, REST API integrations, Git repositories, Docker deployments, platform performance, security (OAuth2), user access, and stakeholder communication. Mentor developers and deliver cross-functional web improvements.

Owns deployment, lifecycle management, and evolution of a multi-prem platform across cloud, bare-metal, air-gapped, and regulated environments. Builds infrastructure-as-code and secure CI/CD pipelines, maintains Kubernetes clusters and observability systems, aligns SaaS and customer-hosted releases, and supports incident response and upgrades. The role also contributes to platform architecture, deployment documentation, compliance workflows, and secure operations across classified and government environments.

Deploys and manages applications across development, testing, staging, and production environments. Builds Terraform infrastructure-as-code modules, maintains CI/CD pipelines, automates deployment processes, troubleshoots issues, and performs deployment testing. Ensures release-policy compliance, documents procedures, stays current with DevOps practices, and mentors junior engineers. Collaborates with development and operations teams to improve deployment reliability and efficiency.

Designs, deploys, maintains, and secures cloud solutions across AWS, Azure, GCP, and OCI. Develops automation using Bash, PowerShell, and Python; monitors and tunes cloud platforms; maintains documentation and operating procedures; advises implementation teams; supports migrations and infrastructure buildouts; resolves escalations; and collaborates with internal and external stakeholders.

Administers Informatica and MuleSoft data governance and quality platforms in AWS GovCloud production environments. Responsibilities include installation, configuration, integration, security, performance tuning, monitoring, backup and disaster recovery, testing, and sustainment. The role integrates enterprise data catalogs with Yellowbrick, PowerCenter, and ETL services; implements IAM and high-availability controls; supports RMF, ATO, STIG, and vulnerability remediation; and maintains automation, documentation, runbooks, and operational evidence. Provides incident response, root-cause analysis, vendor coordination, mentoring, and technical leadership.

Provides senior technical leadership across engineering teams by shaping architecture, guiding complex software development, mentoring engineers, and driving scalable, secure, and reliable solutions. Responsibilities include hands-on coding, design reviews, API and system architecture, CI/CD and tooling improvements, cross-team technical alignment, project leadership, and partnership with product and design stakeholders. The role is remote with quarterly travel to Tampa, Florida.

Provides principal-level technical leadership across engineering teams, shaping architecture, engineering standards, scalable software solutions, and delivery practices. The role combines hands-on software development with design reviews, technical decision-making, mentoring, CI/CD and platform improvements, system reliability, and cross-team collaboration. It also partners with product and design stakeholders and may lead high-impact initiatives. Remote work is available with required quarterly travel to Tampa, Florida.

Build and maintain onboard and platform software for autonomous mining vehicles, including sensor drivers, data pipelines, synchronization, calibration, deployment, monitoring, simulation, testing, drive-by-wire integration, low-level controls, and safety systems. Collaborate with machine learning, hardware, controls, and mine operations teams through field validation on real equipment.

Maintain and support Linux operating systems across production, staging, development, and disaster recovery environments for NASA mission operations. Responsibilities include configuration management, security compliance, threat investigation, performance monitoring, systems assessment, automation, software evaluation, lifecycle planning, and cross-functional support. The role requires occasional evening and weekend work plus rotating 24x7 on-call coverage.

Own and scale a large AWS multi-account platform, maintaining account baselines, guardrails, identity, networking, containers, patching, drift, costs, and logging. Build platform features, infrastructure-as-code templates, and CI/CD pipelines; automate repetitive operations; monitor platform health; respond to incidents; and ensure changes meet regulated-environment change-control and audit requirements.

Designs, implements, and improves secure, reliable infrastructure services across hybrid cloud environments. Leads infrastructure projects, complex incident resolution, configuration compliance, patching, automation, disaster recovery, audits, and tool evaluations. Develops operational policies and documentation, mentors junior engineers, and coordinates with security, network, application, cloud, and service desk teams. Requires advanced cloud, systems administration, infrastructure automation, security, troubleshooting, and technical leadership experience.

Leads cloud and systems administration initiatives across hybrid infrastructure. Owns production system lifecycle, security, patching, monitoring, backup and disaster recovery. Leads incident response, root-cause analysis, change reviews, automation, standards development and audit readiness. Partners with Security and other technical teams, manages vendors, documents operational processes, and mentors junior administrators. Requires advanced Windows Server and Linux administration, PowerShell automation, cloud platform experience across Azure, AWS and Google Cloud, and experience in regulated environments.

Leads a DevOps engineering team while designing and maintaining CI/CD pipelines, cloud infrastructure, monitoring, security controls, infrastructure as code, containerized microservices, and disaster recovery processes. The role focuses on improving developer efficiency, system reliability, scalability, performance, and cost-effectiveness. Responsibilities include incident troubleshooting, root-cause analysis, stakeholder communication, cross-functional collaboration, and participation in on-call support.

Develop performant, standards-compliant Firefox layout and Asynchronous Pan and Zoom features across multiple platforms. Responsibilities include writing and optimizing multithreaded C, C++, or Rust code; debugging rendering and interaction issues; developing layout, graphics, algorithms, and tools; reviewing code; testing and triaging bugs; and contributing to long-term open-source projects.

Develop and maintain high-performance, standards-compliant Firefox layout and rendering functionality, with a focus on Asynchronous Pan and Zoom. Responsibilities include implementing algorithms and user interaction techniques, debugging and optimizing multithreaded code, reviewing code, testing and triaging bugs, and collaborating on long-term platform development across Android, Windows, Linux, and macOS.

Owns production infrastructure across Kubernetes, CI/CD, Linux systems, virtual machines, and AI accelerator environments. Responsibilities include incident response, troubleshooting, automation, monitoring, alerting, patching, upgrades, certificate renewals, capacity checks, runbook development, and on-call support. The engineer collaborates across IT and product software teams and contributes to infrastructure design and build work.

Build and operate Linux and Kubernetes infrastructure for Azure Front Door’s globally distributed edge fleet. Design, implement, validate, and deploy platform capabilities; optimize performance, reliability, scalability, security, and operations; investigate production issues; develop automation and engineering tools; and provide technical guidance through reviews and knowledge sharing.

Designs, builds, and operates mission-critical satellite, service provider, corporate, and hybrid cloud networks. Responsibilities include routing and switching, network security and segmentation, AWS connectivity, automation with Python, Ansible, and Terraform, monitoring and observability, incident response, change management, documentation, and collaboration with software, FPGA, and mission operations teams. The role also participates in on-call support and advances network reliability, scalability, and programmability.

Administer and maintain large-scale HPC infrastructure supporting NASA human-spaceflight research. Responsibilities include Linux systems administration, HPC job scheduling, configuration management, containers, CI/CD workflows, parallel filesystems, high-speed networking, system monitoring, troubleshooting, and user support. The role supports more than 700 systems, 26,000 cores, 10 PB of storage, and over 1,000 users at Johnson Space Center.

Develops, tests, documents, supports, and improves software systems with a primary focus on Sitecore and modern web applications. Designs responsive interfaces, integrations, APIs, automations, and CMS solutions while supporting CI/CD, Agile, testing, monitoring, security, and performance standards. Troubleshoots incidents, manages technical debt, collaborates with project and business teams, documents solutions, and provides stakeholder support. Requires strong web technologies, databases, operating systems, enterprise integration, and software development experience.

Supports the company’s DevOps strategy by designing scalable AWS infrastructure, managing CI/CD processes, integrating engineering workflows, and maintaining GitHub practices. Monitors and troubleshoots production systems, participates in on-call incident response, supports security and compliance, and mentors junior DevOps engineers. The role uses Nomad, Consul, Vault, Terraform, GitHub Actions, Linux, shell scripting, and Python.