Principal Electrical Engineer Argonne National LaboratoryPrincipal Electrical EngineerLemont, IL$116,250–$181,350 / yearBe proficient in Python, and have development experience in the following technologies: embedded Linux, make utilities, C, C++, shell scripting, client/server applications, network communications, relational databases and user interface design, and web services. Argonne employees, and certain guest researchers and contractors, are subject to particular restrictions related to participation in Foreign Government Sponsored or Affiliated Activities, as defined and detailed in United States Department of Energy Order 486.1A.
Lead Associate Principal, Security Governance The Options Clearing CorporationLead Associate Principal, Security GovernanceChicago, IL$122,100–$170,500 / yearProvide subject matter expertise in the development, review, and continuous improvement of Security Services policies, procedures, and controls, ensuring documentation remains current, appropriately governed, and aligned with applicable regulatory requirements, industry frameworks, and OCC's risk management objectives. Supporting efforts for remediating regulatory and Internal Audit findings, including analyzing data to identify root cause of problems, identifying trends, formulating solutions, and escalating potential issues related to the lifecycle of remediation.
Principal, Real Estate And Projects The Options Clearing CorporationPrincipal, Real Estate And ProjectsChicago, IL$158,800–$219,200 / yearWhat You'll Do: The Principal, Real Estate Strategy and Projects role is responsible for shaping and executing the company's real estate strategy across business offices and data centers - determining where the company has space, how much, on what terms, and how that footprint evolves as the business grows and changes. The company's current real estate portfolio includes offices in Chicago, IL, Dallas, TX, and Washington, D.C. Manage the end-to-end lease lifecycle: renewals, renegotiations, terminations, and new leases.
Principal Staff Electrical Engineer AstronicsPrincipal Staff Electrical EngineerWaukegan, IllinoisExperienced developer with proven ability to design for passing EMI/EMC tests and to troubleshoot and diagnosis EMC/EMI qualification testing issues. Also serves as a mentor to the electrical engineers and interns as well as providing direction to the UKR team where needed.
Principal, Software Engineering: Software Development Test (Sdet) The Options Clearing CorporationPrincipal, Software Engineering: Software Development Test (Sdet)Chicago, IL$158,600–$263,700 / yearThe ideal candidate combines deep performance engineering expertise (LoadRunner, JMeter, Gatling) with strong automation engineering skills (Selenium, Cucumber, Cypress, Protractor, ServiceNow ATF) and a working knowledge of modern cloud and container architecture (AWS, Kubernetes, Kafka). This is a technical architect and thought-leadership role for someone who can design performance engineering practices at enterprise scale for cloud-native, containerized, and event-driven systems, while ensuring the rigor, resilience, and regulatory compliance expected of critical financial market infrastructure.
Lead Associate Principal, Software Engineering: Software Development Test (Sdet) The Options Clearing CorporationLead Associate Principal, Software Engineering: Software Development Test (Sdet)Chicago, IL$122,500–$204,600 / yearWhat You'll Do: OCC's Enterprise Quality Engineering organization seeks an Associate Principal in Performance Testing to design and execute comprehensive performance and failover testing strategies across mission-critical clearing, risk, and settlement systems. As a Systemically Important Financial Market Utility (SIFMU), OCC operates under the jurisdiction of the U.S. Securities and Exchange Commission (SEC), the U.S. Commodity Futures Trading Commission (CFTC), and the Board of Governors of the Federal Reserve System.
Marketing Principal Systems & Data Analyst (Growth) Culture AmpMarketing Principal Systems & Data Analyst (Growth)Chicago, IL$140,000–$170,000 / yearYou'll join our Systems & Data team within Lifecycle & Marketing Operations, working alongside our Marketing Systems Architect, who owns stack architecture and integrations, and our Marketing Operations team, who manage day-to-day platform administration. Our Growth Marketing team runs on a modern stack: HubSpot, Salesforce, Qualified, 6sense, Outreach, Amplitude, and Looker, and we're looking for a senior, hands-on individual contributor, a Principal Systems & Data Analyst, to become the person who makes that stack trustworthy.
NewTechnical Principal Product Manager CodalTechnical Principal Product ManagerChicago, IllinoisWe partner closely with our clients and Codal’s Engineering, Architecture, Data/AI, Design, and Project Management teams to solve complex business and technology challenges. Codal is an award-winning web design and development consultancy that helps enterprise organizations solve complex problems and accelerate growth through elegant, data-driven digital solutions.
Associate Principal, Artificial Intelligence Engineering The Options Clearing CorporationAssociate Principal, Artificial Intelligence EngineeringChicago, IL$127,900–$176,800 / yearAs a Systemically Important Financial Market Utility (SIFMU), OCC operates under the jurisdiction of the U.S. Securities and Exchange Commission (SEC), the U.S. Commodity Futures Trading Commission (CFTC), and the Board of Governors of the Federal Reserve System. The Associate Principal, AI Engineering owns the design and delivery of agentic AI systems end-to-end, mentors junior engineers, and contributes technical judgment on AI application and/or AI infrastructure work in a largely greenfield environment.
Associate Principal, Cyber Defense The Options Clearing CorporationAssociate Principal, Cyber DefenseChicago, IL$112,700–$186,900 / yearHands-on security operations experience including interdisciplinary experience with three or more of the following: Cyber Threat Analysis, Incident Response, Application Security, Operating Systems Security, Cloud Engineering, Networking, Programming languages, AI Prompt engineering. As a Systemically Important Financial Market Utility (SIFMU), OCC operates under the jurisdiction of the U.S. Securities and Exchange Commission (SEC), the U.S. Commodity Futures Trading Commission (CFTC), and the Board of Governors of the Federal Reserve System.
NewPrincipal Product Manager - Consulting CodalPrincipal Product Manager - ConsultingChicago, IL$160,000–$175,000 / yearCodal is an award-winning web design and development consultancy that helps enterprise organizations solve complex problems and accelerate growth through elegant, data-driven digital solutions. We partner closely with our clients and Codal's Design, Engineering, Data/AI, and Project Management teams to turn complex business problems into successful digital products.
NewLead Associate Principal, Software Engineering: Java The Options Clearing CorporationLead Associate Principal, Software Engineering: JavaChicago, IL$136,000–$222,800 / yearA major contributor in Architecture design and development of scalable resilient hybrid Cloud-based solutions supporting critical financial risk management activities; mentor and collaborate with developers, architects and product owners to drive the strategy of transforming the enterprise into a data-driven organization; lead through innovative strategic thinking in building solutions. As a Systemically Important Financial Market Utility (SIFMU), OCC operates under the jurisdiction of the U.S. Securities and Exchange Commission (SEC), the U.S. Commodity Futures Trading Commission (CFTC), and the Board of Governors of the Federal Reserve System.
NewPrincipal Sales Rep - CardioVascular Surgery - Perfusion, Chicago MedtronicPrincipal Sales Rep - CardioVascular Surgery - Perfusion, ChicagoChicago, IllinoisRemoteComplete all administrative reporting accurately, in a timely manner and in the requested format (i.e. expense reports, account profiles and analysis, daily planners, weekly activity, competitive updates, mPowers, mPxrs, FCA’s, PHO’s, Teams spreadsheet request, Trunk Stock, Salesforce inputs). The following benefits and additional compensation are available to those regular employees who work 20+ hours per week: Health, Dental and vision insurance, Health Savings Account, Healthcare Flexible Spending Account, Life insurance, Long-term disability leave, Dependent daycare spending account, Tuition assistance/reimbursement, and Simple Steps (global well-being program).
Principal Sales Rep - CardioVascular Surgery - Perfusion, Chicago Medtronic PlcPrincipal Sales Rep - CardioVascular Surgery - Perfusion, ChicagoChicago, ILRemoteComplete all administrative reporting accurately, in a timely manner and in the requested format (i.e. expense reports, account profiles and analysis, daily planners, weekly activity, competitive updates, mPowers, mPxrs, FCA's, PHO's, Teams spreadsheet request, Trunk Stock, Salesforce inputs). The following benefits and additional compensation are available to those regular employees who work 20+ hours per week: Health, Dental and vision insurance, Health Savings Account, Healthcare Flexible Spending Account, Life insurance, Long-term disability leave, Dependent daycare spending account, Tuition assistance/reimbursement, and Simple Steps (global well-being program).
Sr. Principal Engineer LancesoftSr. Principal EngineerRound Lake, IL$68Analyze circuits using calculation and simulation methods to assess performance limits, effects of environmental and load stresses, and timing interfaces to ensure consistent performance in safety critical applications. The successful candidate will possess strong technical capabilities, an excitement and energy for product development, and a passion for their work and the impact it has on saving and sustaining the lives of patients.
Principal SDET (Software Development Test Judge GroupPrincipal SDET (Software Development TestChicago, IL$185,000–$220,000 / yearYou’ll be the technical backbone of end‑to‑end quality—architecting test environments, building automation frameworks, partnering with distributed teams, and ensuring releases land clean, stable, and production‑ready. By providing your phone number, you consent to: (1) receive automated text messages and calls from the Judge Group, Inc. and its affiliates (collectively "Judge") to such phone number regarding job opportunities, your job application, and for other related purposes.
Principal Structural Engineer RimkusPrincipal Structural EngineerChicago, ILDemonstrated team leadership experience (formal or informal) - preferred/strongly desired: Task leadership, mentoring, QA/QC reviews, and coordinating deliverables across disciplines. Our licensed engineers, architects, and technical specialists bring deep knowledge of regional requirements and industry best practices, enabling us to deliver customized, high-quality solutions that maximize the success of our clients’ investments.
Clinical Research Sub-Investigator / Principal Investigator Cedar Crosse Research CenterClinical Research Sub-Investigator / Principal InvestigatorChicago, IllinoisThis is one posting covering two possible entry points — where you land depends on your experience: Principal Investigator – for candidates with 5+ years of clinical research experience as a PI or Sub-Investigator, an active/unrestricted Illinois medical license (MD or DO), and the qualifications to hold ultimate regulatory and medical responsibility for assigned studies. For over 30 years and 550+ clinical trials, we've been a leading Midwest site conducting research across diabetes, hypertension, obesity, migraine, high cholesterol, heart disease, vaccines, kidney disease, pain, and more.
Principal Software Engineer Radwell InternationalPrincipal Software EngineerDowners Grove, IL$140,000–$180,000Full timeJOB SUMMARY: The Principal Software Engineer operates at the intersection of deep technical execution, enterprise architecture, and engineering leadership, setting the technical direction for the eCommerce platform and adjacent systems while remaining actively hands-on in design, development, and delivery. With 15+ years of progressive engineering experience, the Principal Engineer owns the long-term application and solution architecture of Radwell’s ecosystems, drives cloud modernization initiatives, and shapes the engineering culture through mentorship, coaching, and principled technical governance.
Senior Development Associate, Principal Gifts University of ChicagoSenior Development Associate, Principal GiftsChicago, IL$65,000–$80,000 / yearDemonstrated skill and knowledge of, or ability to learn quickly, the internal workings of the University as well as the technology tools available to the Office of Development and Alumni Relations, including the Alumni Development Database System Griffin, a Microsoft Windows computer environment, Microsoft Outlook, Word, Excel, and Active Planner. Drafts acknowledgements, special greetings, letters for cultivation purposes, and a high volume of messaging for others' signatures including but not limited to the Senior Associate Vice President, the Senior Director, Principal Gifts, and other executive level staff and faculty members.