Top Senior Linux Jobs in Houston, TX

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

The Software Quality Assurance Engineer will lead development activities, support feature completion, and drive non-functional requirements in a team focused on the 7750 Service Router.

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.

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.

Develop SONiC NOS and platform software for next-generation Broadcom/Marvell-based routing and switching products for data center and AI fabrics. Provide platform and software support, collaborate with customers, test teams, and product managers to productize and ensure quality and meet customer requirements.

Design, develop, and maintain cloud-native applications using Node.js and React.js on AWS. Implement infrastructure-as-code (Terraform/CDK), build CI/CD pipelines, perform Linux troubleshooting, ensure secure-by-design patterns, and collaborate with architects, UI/UX, and DevOps teams to deploy and operate scalable AWS services.

This role involves backend software development, system design, collaboration with teams, and addressing customer issues, requiring expertise in various programming languages and cloud technologies.

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.

Design and implement control-plane services, CSI drivers, and tooling to provision and operate high-performance storage for Kubernetes AI/GPU workloads. Build observability, data-path, and automation (Terraform/OpenTofu, GitOps) for hybrid, bare-metal, and air-gapped deployments. Integrate enterprise and scale-out storage platforms and ensure secure, declarative provisioning across clusters.

Design, deploy, and operate high-performance NFS-based storage for GPU/AI Kubernetes platforms. Integrate storage via CSI, tune Linux/NFS/RDMA data paths, automate provisioning with IaC and GitOps, build observability, and troubleshoot performance and reliability across hybrid, edge, and air-gapped environments.

Design and develop Presidio's internal Managed Services platform and automations. Provide technical guidance and mentoring, identify automation opportunities, perform proofs of concept and pilots, collaborate on production security improvements, author technical documentation, and engage with stakeholders to capture requirements and operationalize solutions.

Design and implement PostgreSQL internals and indexing strategies for large-scale document workloads. Extend query engine with BSON-aware operators and custom scan nodes, optimize index pruning, profile distributed system performance, collaborate with open-source communities, and lead design/code reviews.

Design and implement PostgreSQL internals, indexing, query engine extensions, and storage-layer features to support large-scale document workloads on Azure. Profile distributed systems, tune performance, collaborate with open-source communities, conduct design/code reviews, and drive cross-team alignment for mission-critical database features.

Design and implement PostgreSQL internals and indexing/query features for large-scale document workloads, extend query engine with BSON-aware operators and custom scan nodes, tune index pruning and storage, profile distributed systems for performance, collaborate with open-source DocumentDB/PostgreSQL communities, and participate in design/code reviews.

Design, build, and own disposable isolated microVM sandboxes and related runtime infrastructure for AI coding agents. Improve reliability, performance, and security across macOS, Windows, and Linux; lead architecture, mentor engineers, engage open-source communities, participate in on-call rotations, and collaborate with Product and adjacent teams.

Design, develop, test, deploy, and support web and software solutions; estimate and document work; troubleshoot and monitor systems; implement CI/CD and DevOps practices; collaborate with stakeholders; specialize in web UI/UX, CMS platforms, modern frameworks, APIs, and scalable architectures.

Partner with DBAs and SRE teams to ensure reliable, secure, and scalable database infrastructure. Lead incident management, vulnerability remediation, DR planning and resilience testing, infrastructure provisioning across VMs and Chainguard containers, cost optimization, and SRE capability building. Provide on-call support and coach junior staff.

Deploys, supports, and improves Managed Services Gateways across cloud and virtualization platforms. Administers Linux, Kubernetes (Rancher), VMware/Hyper-V, networking and firewalls; automates workflows; triages escalations; documents runbooks; coordinates with clients and teams; participates in on-call and lifecycle/security initiatives.

Support and administer the FSL HPC environment at JSC: manage Linux servers, HPC clusters, high-speed networking and parallel filesystems, implement container-based HPC workflows and CI/CD, administer job schedulers, monitor system health, troubleshoot, and support over 1000 users to enable NASA human spaceflight missions.

Own day-to-day AWS and database operations for a serverless production platform, manage backups and disaster recovery, monitor and debug production, lead incident response and on-call, maintain infrastructure-as-code (SST/Pulumi), optimize costs, and mentor the team on operational best practices.

Lead full-stack development of secure, high-availability web applications using the Microsoft .NET stack. Responsibilities include requirement analysis, design, coding (C#, JS), testing, code reviews, API development, cloud migration support, and production releases while applying OOP, SOLID, SOA, and web security principles.

As a Senior Software Engineer, you'll design and build scalable market data systems, improve API architecture, and enhance overall system performance, contributing to Alpaca's infrastructure for trading financial assets.