Top Principal Engineer Jobs in Chicago, IL

Lead design and delivery of flight-critical power electronics for the X-BAT aircraft, including inverters, DC-DC converters, and battery management. Own full hardware development cycle, drive PCB layout, harden designs for harsh environments, mentor engineers, lead reviews, and manage program timelines through production.

Build, operate, and secure cloud-native and edge infrastructure including Kubernetes, artifact pipelines, application streaming, and air-gapped appliances. Partner with product, GRC, and mission owners to design, deploy, and harden systems, remediate vulnerabilities, support audits (IL5/IL6/JWICS), and ensure trusted artifact delivery across environments.

The Principal Electrical Engineer will lead system-level architecture for electrical designs, mentor engineers, drive engineering best practices, and ensure high-quality product delivery from concept to production.

Senior sales engineer for Zscaler's Healthcare Zero Trust Branch. Deliver technical product presentations, gather customer requirements, lead product evaluations and custom configurations, and design evaluation test plans to drive successful cloud-native Zero Trust deployments.

The Principal SAP PaPM Configuration Engineer analyzes, develops, and configures SAP PaPM use cases, supports finance processes, mentors junior members, and implements solutions for complex financial calculations.

Lead long-term strategy and architecture for cloud and on‑prem platform infrastructure, driving Kubernetes and multi‑cloud reliability, IaC/GitOps automation, observability, SLO/SLI/error‑budget practices, incident leadership, AI‑augmented tooling adoption, and mentorship of senior engineers to improve platform resilience and developer experience.

The Principal Consulting Engineer designs, deploys, and optimizes private cloud infrastructures, ensuring solutions meet customer approval and providing technical leadership.

The Principal Consulting Engineer will design, deploy, and optimize VMware Cloud Foundation automation solutions, ensuring they meet customer requirements while leading engagements and providing technical expertise.

Leads design, development, and maintenance of technical infrastructure for software delivery, focusing on cloud automation, CI/CD, and best practices in a hands-on expert capacity.

Lead development of manufacturing test software for RF production hardware, from requirements through validation. Collaborate with design, test, QA, and production to create and maintain test stations, procedures, and continuous improvement initiatives. Troubleshoot hardware/software/firmware issues and support environmental screening and acceptance testing for military-grade electronic warfare systems.

Lead manufacturing process support for RF electronic assemblies and LRUs: develop process specs, work instructions, tooling, troubleshoot nonconformances, drive continuous improvement, coordinate cross-functional teams, and manage process projects with executive reporting.

Senior individual contributor to design, configure, customize, and integrate ServiceNow IRM/GRC solutions for financial services. Deliver end-to-end implementations, drive integrations, ensure secure scalable architectures, partner with stakeholders to translate requirements into technical designs, operate in 2-week Agile sprints using Azure DevOps, mentor global teams, and contribute to AI enablement within GRC platforms.

Lead process development and continuous improvement for opto-mechanical EOIR assembly. Create manufacturing work instructions, tooling/fixtures, support production, recommend design-for-manufacturability changes, manage projects, and present executive-level status. Coordinate across engineering, production, quality, and program teams.

Lead development and validation of EOIR test stations, support production testing and nonconformance repair, drive design-for-manufacturability and continuous improvement, coordinate cross-functional teams, manage projects and earned-value activities, and maintain required government security clearance. On-site in Rolling Meadows, IL.

Lead architecture and implementation of manufacturing acceptance test software for EO/IR LRUs and system-level testing. Collaborate with IPT to capture requirements, integrate, validate, and release test software, develop test documentation and procedures, review product testability, and support production troubleshooting in a fast-paced manufacturing environment. On-site role requiring US citizenship and required government clearance.

Lead development and validation of RF test stations, support production troubleshooting and calibration, drive design-for-manufacturability and continuous improvement, coordinate cross-functional teams, and manage test engineering projects and reporting for EOIR products.

Lead supplier quality activities for aerospace electronic warfare programs: perform supplier audits, first article inspections, root-cause investigations, manage SCARs/SDRs, assess manufacturing readiness (DoD MRL), and drive supplier performance improvements while supporting junior engineers and traveling to suppliers (up to 25%).

Lead mechanical engineer for ruggedized electronic equipment development for military applications. Responsible for design, thermal/structural/microelectronics/opto-mechanical analysis, manufacture and environmental test, managing schedule and budget, leading engineering teams, stakeholder communication, and mentoring/knowledge transfer.

Lead development and maintenance of manufacturing test software for RF production hardware, from requirements through validation. Collaborate with design, test hardware, QA and manufacturing to develop test procedures, fixtures and stations; troubleshoot hardware/software/firmware; support production acceptance and environmental screening; drive continuous improvement and testability reviews.

Develop, integrate, and validate manufacturing test software for RF production hardware. Lead test station and fixture development, create and maintain acceptance and environmental screening procedures, troubleshoot hardware/software/firmware issues, collaborate with cross-functional teams, and support continuous improvement to meet production and contractual test requirements.

Lead technical strategy and hands-on engineering for large-scale data ingestion and processing platforms supporting physical AI and autonomy. Design cloud-native, streaming and batch pipelines for LiDAR, radar, video, imagery, and telemetry. Drive architecture, platform standards, CI/CD, observability, and cross-team agile delivery while mentoring engineering teams and enabling ML, computer vision, and autonomy use cases.

The AI Platform Principal Engineer will develop AI operations services, enhance platform functionality, mentor team members, and collaborate with various partners to architect end-to-end AI solutions.

This role leads the ML Acceleration team, focusing on enhancing ML model training efficiency and team management, while driving technical strategy and collaboration.

Provide hands-on technical leadership and architecture across the insurance platform. Design and implement scalable, reusable systems; influence senior leaders; mentor engineers; drive standards, DevOps/CI-CD improvements, vendor evaluations, and cross-team alignment to deliver enterprise-scale outcomes.

As a Principal Engineer at Early Warning, you will guide platform strategy, mentor teams, oversee complex ServiceNow solutions, and ensure quality standards in a collaborative environment.