Top Systems Engineer Jobs in Chicago, IL

Design, develop, and validate custom algorithms, models, and simulations for EOIR/RF systems. Apply systems engineering to physics phenomenology, implement algorithms into systems, collaborate with engineers and scientists, and present technical results. Requires proficiency in MATLAB, Python, and/or C/C++, strong technical writing, and ability to obtain required U.S. security clearance.

Install, configure, and maintain large HPC clusters including OS deployment, job schedulers, parallel file systems, storage subsystems, automation and monitoring (Puppet/Ansible, scripting), backups, security, performance tuning, vendor coordination, and user support for scientific computing workloads.

Design, provision, and maintain AWS infrastructure; build and maintain Terraform IaC; develop CI/CD pipelines (Jenkins/GitLab CI); automate tasks with Bash and Node.js; manage Linux systems; enforce secure networking and Git workflows; monitor, troubleshoot, and improve developer experience and reliability.

Execute technical scope of work for professional services projects including cloud and email migrations, server and network setup, hardware/software configuration, troubleshooting, QA checks, and client-facing status updates while mentoring junior staff and collaborating with vendors.

Support, configure, and maintain enterprise Windows server and virtualization environments (VMware/VDI). Troubleshoot hardware/software/network issues, implement backups/monitoring, apply patches, support Office 365, participate in change control and on-call rotation, provide 3rd-level end-user support, and create documentation.

Lead design, build, maintain, and scale Workday Financials integrations. Monitor and resolve integration issues, perform root cause analysis, document technical designs, ensure SOX/audit compliance, and collaborate with Finance, IT, and third-party vendors to drive automation and process improvements.

Improve and scale Airship's distributed data systems by reading and writing Java code, diagnosing performance and cost issues, implementing architecture and library changes, deploying improvements, responding to reliability incidents, and collaborating with backend engineers.

The Business Systems Developer leads technical execution for D365 Finance & Operations, ensuring platform stability and quality through hands-on development, oversight of outsourced partners, and governance of best practices.

The Controls Systems Engineer designs and maintains control systems for plant production, ensuring quality and safety through effective automation and continuous improvement initiatives.

Design, build, and maintain reliable infrastructure for Yext's SaaS platform, collaborating with engineering teams to enhance performance, security, and operational efficiency.

Design, build, and maintain payment services and APIs using C#/.NET. Integrate with processors, gateways, wallets, and POS; implement authorization/capture/refunds and routing. Ensure reliability, observability, and secure coding; troubleshoot production incidents and collaborate with Product and Architecture to deliver scalable payment solutions.

The Electrical Design Engineer will design electrical systems for labs, oversee installations, ensure compliance with regulations, and promote energy efficiency and sustainability.

Build a talent pipeline for systems engineering roles across levels. Work includes requirements definition and traceability, system architecture and interface management, integration/verification/validation planning, MBSE using tools like DOORS or Cameo, and cross-functional coordination across hardware, software, and test teams.

The CommVault Systems Engineer will design, configure, implement, troubleshoot, and support data backup and recovery solutions in a federal environment. Responsibilities include maintaining optimal solutions, ensuring security compliance, and collaborating with operational teams.

Build and maintain multi-cloud infrastructure standards, self-service tooling, and paved-road defaults across AWS and GCP. Partner with compute, security, and networking teams to embed guardrails, drive standardization, lead cross-team initiatives, and resolve systemic operational issues to ensure secure, scalable, and reliable platform infrastructure.

Design and build real-time, low-latency distributed systems from concept to production. Own architecture, optimize performance, resolve complex failures, drive technical direction, and collaborate with product and business stakeholders.

Lead design of data center power architecture (up to ~50MW) from utility interconnection to IT load. Own reliability philosophy, substations, MV/LV distribution, DER/BESS/PV integration, protection/control, FMEA, studies, commissioning oversight, utility interconnection, and lifecycle support across projects and stakeholders.

The role involves evaluating techniques for fault-tolerant quantum computing, assessing hardware performance, and conducting documentation and reporting for DARPA's QBI team.

Optimize Ubuntu for the latest IoT and server hardware, leading technical engagements, and work with open source communities. Requires experience with Linux and C/C++.

The role entails building scalable backend services, APIs, and tools that process large datasets, collaborating with engineers and product teams, and maintaining systems for data pipelines and messaging solutions.

Lead and execute overall systems engineering for EOIR/RFEW defense programs. Ensure engineering process integrity, direct technical teams, decompose requirements, manage integration and verification, create system models and traceability, present technical status to leadership, and maintain required security clearance and on‑site presence.

Lead implementation of software safety programs for underwater robotic/autonomous vehicles per MIL-STD-882. Produce safety plans and assessments, perform hazard analyses, track coverage metrics, catalog safety artifacts, review software independently, and present findings at reviews and customer meetings. Coordinate across programs and support demanding schedules with occasional travel.

Lead systems engineering activities: develop CONOPS, requirements/specifications, ICDs, hazard analyses, test plans; apply MBSE/SysML and SEDB tools; guide design teams, produce reports, and interface with clients. Some travel required.

Define, analyze, validate, and manage software requirements for DoD subsea robotic systems. Develop traceability, ICDs, data models, and verification plans using RM tools. Collaborate with multidisciplinary teams on architecture, interfaces, V&V, cybersecurity, and configuration management; support technical reviews and customer communication.

Build and maintain an accessible design system (Expedite), shipping production-ready React/TypeScript components and tokens. Define AI-assisted design-to-code workflows, create LLM guidelines, train teams, establish governance and WCAG AA compliance, and drive adoption across web and mobile.