Top Senior Systems Engineer Jobs in Austin, TX

Lead Salesforce and billing platform engineering with an emphasis on AI-driven automation. Build scalable Salesforce solutions (Apex, Flow, LWC), pilot LLM/agent workflows, modernize CI/CD and test automation, support Quote-to-Cash and billing processes, collaborate across product and finance, drive technical debt reduction, and mentor junior engineers.

Lead design, deployment, and lifecycle management of hybrid data center infrastructure. Administer Windows and Linux systems, implement backup and disaster recovery, optimize storage/compute/virtualization, integrate with cloud platforms, monitor and troubleshoot performance, ensure security/compliance, document systems, and participate in on-call rotation.

Lead systems engineering for safety-critical avionics and electronic control systems: develop and manage system/hardware/software requirements, design architectures, define interfaces, perform system integration, verification and validation, produce technical documentation, and support proposals and program activities.

Develop and maintain digital mission models using STK and integrated simulation tools to support multi-discipline design, automate workflows, validate performance, and collaborate with engineering, DevOps, and test teams. Lead tooling interoperability, data pipelines, MBSE practices, and present results at design reviews.

The Sr. Systems Engineer mentors junior engineers, provides IT support, manages service tickets, maintains documentation, and adheres to change control procedures in a collaborative environment.

Lead systems engineering and sustainment for JPSS Common Ground System. Oversee software teams developing Java/JavaScript/SQL/NoSQL microservices and web services, use Cloud Foundry/Kubernetes, define MVPs and user stories with stakeholders, plan and lead verification test events, and produce NASA/NOAA systems engineering documentation and cross-functional coordination.

The Senior Systems Engineer will ensure system availability, security, and performance for a large-scale global infrastructure at Automattic, addressing system health and facilitating developer efficiency.

Responsible for supporting enterprise storage sales, assisting customers with evaluations and installations, and providing technical leadership and product specifications within customer accounts.

The Senior Systems Engineer will maintain NonStop systems, lead software releases, enhance security, support deployment, and improve system performance.

Design, build, and maintain tools and services for Active Directory and cloud identity platforms. Implement security policies and access controls, collaborate on Azure and Google Workspace deployments, automate integrations via APIs and CI/CD, maintain runbooks, participate in on-call rotation, and support AWS infrastructure for production systems.

Design, build, test, and maintain low-latency, high-throughput trading services on an Aeron-based platform. Expand trading protocol features, migrate workflows to the new stack, optimize performance and scalability, support production reliability, and collaborate with cross-functional teams while using AI-assisted development tools.

Lead design, implementation, and maintenance of system architectures across applications, infrastructure, and cloud platforms for federal IT modernization. Provide technical leadership, ensure performance, reliability, and integration, produce documentation, and collaborate with DevOps, security, and stakeholders within Agile teams.

Deploy, upgrade, and maintain High-Speed Data infrastructure supporting DNS, DHCP, DOCSIS provisioning and related platforms. Perform Linux (CentOS/RHEL) administration, scripting/automation (Python, Bash, Ansible, Docker), vendor management, troubleshooting, LLD documentation, project work, training, and on-call support to ensure availability and security of HSD services.

As a Senior Systems Engineer II, you will lead stakeholder discussions, manage system requirements, support software services for cardiac health, and conduct compliance assessments while collaborating with cross-functional teams.

Design and build scalable, automated evaluation pipelines and infrastructure to validate speech, audio, and multimodal models. Translate research benchmarks into enforceable pass/fail gates, run batch and streaming tests, operate canaries and continuous monitoring, integrate quality gates into CI/CD, and partner with research, training, inference, and infra teams to prevent regressions and ensure production model quality.

Lead development and integration of Salesforce-centered GTM systems: build Apex/LWC solutions, design event-driven integrations, optimize data flows to Snowflake, manage CI/CD with Gearset/Git, write SQL for reporting and data quality, troubleshoot production, and mentor developers while advancing AI-enabled, composable CRM automation.

Serve as Tier 3 escalation for an MSP-managed, security-focused practice supporting life sciences clients. Design Microsoft-centric secure architectures (Azure, Microsoft 365, identity, endpoints), lead migrations/onboarding, mentor engineers, own root-cause analysis, implement security controls and compliance alignment, and build automation and AI-assisted tooling (PowerShell, Claude) to reduce manual work.

Key responsibilities include troubleshooting complex technical issues, mentoring junior team members, streamlining processes, and ensuring quality assurance in IT support.

Lead mission readiness and performance across the Mission Foundry lifecycle: define V&V campaigns, streamline AI&T workflows, analyze on-orbit telemetry, improve autonomy and fault management, feed performance data into design iterations, and support internal tooling roadmaps to scale spacecraft production and operations.

Define and flow down engineering requirements from high-level designs, document and manage requirement changes, maintain system architecture and interfaces, identify tools/process improvements, and coach teams on systems engineering practices for complex hardware/firmware/software products.

Lead and support design, deployment, administration, and Tier-2/3 support of AWS and hybrid-cloud systems. Maintain Linux/Windows servers, IP networking, automate operations with IaC/configuration management, produce documentation, and troubleshoot mission-critical infrastructure in a secured, fast-paced environment.

Design, deploy, and maintain the corporate digital workspace across macOS, Windows, and ChromeOS. Manage Google Workspace, MDM (Kandji/Iru, Intune), device enrollment, security/compliance, enterprise networking, conferencing, and printing. Automate packaging, agent rollouts, patching, and compliance using scripting and collaborate with stakeholders and vendors to deliver scalable enterprise solutions.

Provide dedicated onsite IT support and act as escalation for junior engineers. Maintain and troubleshoot Windows, Microsoft 365, Azure, virtualization, networking, and endpoint security. Administer enterprise networking equipment, maintain documentation, manage tickets, mentor junior staff, follow change-control, and evaluate new technologies for client environments.

Develop innovative features for GPU performance profiling tools while collaborating with hardware and software teams. Essential for supporting CUDA developers worldwide.

The Senior Systems Engineer will support sales of enterprise storage, assist in configurations and installations, and collaborate on product requirements and architecture blueprints.