NewPrincipal Radar Integrator Chief Engineer BoeingPrincipal Radar Integrator Chief EngineerBerkeley, MO$197,200–$266,800 / yearThe Boeing Company also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. Principal Chief Engineer: Education/experience typically acquired through advanced technical education from an accredited course of study in engineering, computer science, engineering data science, mathematics, physics or chemistry (e.g.
NewVehicle Management Systems Architect (Lead or Principal) BoeingVehicle Management Systems Architect (Lead or Principal)Berkeley, MO$164,900–$223,100 / yearBoeing Defense, Space & Security (BDS) Flight Systems Engineering Capability is currently seeking a Lead-Architect Vehicle Management Systems Hardware Engineer to join the Air Dominance Vehicle Management System (VMS), team located in Berkeley, MO. The Boeing Company also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work.
NewPrincipal Software Engineer Mastercard IncPrincipal Software EngineerO'Fallon, MO$170,000–$281,000 / yearAll activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and. Reporting to the SVP of Developer Enablement within the Services Enablement & Transformation (SET) organization, you will move to wherever the need is greatest, adding senior engineering capacity during critical spikes, accelerating roadmaps, and helping teams adopt modern, AI-first practices.
NewPrincipal Financial Analyst ProtectivePrincipal Financial AnalystChesterfield, MO$125,000–$160,000 / yearThis highly visible role will partner with executive leadership and cross-functional business teams to deliver financial insights, forecasting, profitability analysis, and strategic decision support that drives business performance and profitable growth. Protective is seeking a Principal, Financial Reporting to serve as a strategic finance leader and trusted advisor supporting the Asset Protection Division (APD).
NewPrincipal Financial Analyst Protective Life CorporationPrincipal Financial AnalystChesterfield, MO$125,000–$160,000 / yearThis highly visible role will partner with executive leadership and cross-functional business teams to deliver financial insights, forecasting, profitability analysis, and strategic decision support that drives business performance and profitable growth. Protective is seeking a Principal, Financial Reporting to serve as a strategic finance leader and trusted advisor supporting the Asset Protection Division (APD).
NewPrincipal Model-Based Systems Engineer ArcfieldPrincipal Model-Based Systems EngineerSaint Louis, MissouriFull timeThere are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. As an on-site Principal Model-Based Systems Engineer, you will act as the subject matter expert in model management, administering and maintaining a federated set of SysML models in Teamwork Cloud (TWC) across multiple classification levels.
NewLC-MS/MS Scientist/Bioanalytical Principal Investigator AltasciencesLC-MS/MS Scientist/Bioanalytical Principal InvestigatorColumbia, MissouriBy living our values of Employee Development, Customer Focus, Quality and Excellence, Respect and Integrity, we look to foster a passionate and collaborative work environment and we are looking for talented and enthusiastic people, like you, to join our growing team! As Scientist/Bioanalytical Principal Investigator in the LC-MS/MS group at Altasciences, you will be responsible for the conduct of method validation and sample analysis related to assigned nonclinical bioanalytical studies utilizing LC-MS/MS instrumentation.
Principal Databricks Architect RGAPrincipal Databricks ArchitectMissouriRemoteModern Databricks Expertise: Deep knowledge of the Databricks Data Intelligence Platform—Unity Catalog, Delta Lake/Iceberg, Lakeflow/Delta Live Tables, MLflow, Model Serving, AI Agent Framework/Agent Bricks, Lakebase, and Genie—plus lakehouse architecture, ETL/ELT, and infrastructure-as-code (Terraform, Databricks Asset Bundles). Data Science Enablement & Self-Service : Partner directly with actuarial, data science, and analytics teams to understand their workflows and build frameworks, templates, IDE/notebook experiences, and documentation that let them independently develop, train, and deploy models and AI agents.
Principal Project Engineer Life Sciences Pyramid Consulting, IncPrincipal Project Engineer Life SciencesSt. Louis, MO$90–$120 / hourKey Responsibilities: The client is looking for a senior-level Principal Project Engineer with strong Life Sciences/Pharmaceutical facility project execution experience , rather than a purely design-focused engineer. Provide senior-level project engineering and technical expertise to ensure successful project delivery of life science projects.
Principal Project Engineer LancesoftPrincipal Project EngineerSt. Louis, MO$110.34YOUR ROLE: Provide senior-level project engineering and technical expertise to ensure successful project delivery of life science projects. Experience with life science capital projects design and build of clean rooms and classified (grade C/D) spaces and qualification and validation processes.
Principal Court Clerk/Supervisor - Court Accounting Circuit Court of Jackson CountyPrincipal Court Clerk/Supervisor - Court AccountingKansas City, MissouriSupervise all clerical preparation and processing of delinquent land tax, service of process, and execution of court orders to maximize efficiency, ensure compliance with court operational rules, department operational rules, and timely processing of returns. High school diploma or equivalent plus three years of varied administrative experience performing a wide range of technical office duties, one year of which in a supervisory capacity.
Principal Court Clerk - Criminal Records Circuit Court of Jackson CountyPrincipal Court Clerk - Criminal RecordsIndependence, MissouriEmployees May Be Exposed To : Evidence and testimony that may be disturbing, such as photographs of violent scenes and victims and or sexually explicit material; evidence that may include syringes, drugs, weapons and blood; the public who may potentially be verbally or physically abusive, allergens, such as perfumes and dust; and unpleasant odors, such as unwashed clothing or chemicals offered into evidence. Performs case processing in receiving and initiating electronic case files; performs technical duties such as reviewing and processing judgments, grand jury indictments, preparing warrants and summonses, scheduling hearings, and data entry into the automated case management system for criminal cases.
Principal Software Engineer - Python Veeva SystemsPrincipal Software Engineer - PythonKansas City, MORemote$150,000–$300,000 / yearUnlike a traditional corporation, whose only legal duty is to maximize shareholder value, PBCs consider their public benefit purpose and the interests of those materially affected by the corporation's conduct-including customers, employees, and the community-in addition to shareholders' interests. The team will be AI-first in two meaningful ways: using AI to drive engineering productivity and strong engineering discipline, and building a product that applies AI in genuinely innovative ways to problems that matter.
Principal Database Architect Data Platforms ApolisPrincipal Database Architect Data PlatformsSt. Louis, MO$55–$60 / hourWe are seeking a highly experienced Principal Database Architect / Senior Oracle Database Engineer to design, engineer, and operate enterprise database platforms while driving modernization, automation, cloud adoption, and database transformation initiatives . The ideal candidate will serve as a technical leader and subject matter expert across Oracle database platforms, contributing to enterprise database strategy while ensuring scalability, reliability, security, performance, and cost optimization.
Principal project engineer Manpower EngineeringPrincipal project engineerSt. Louis, MOTemporaryp> ManpowerGroup® (NYSE: MAN), the leading global workforce solutions company, helps organizations transform in a fast-changing world of work by sourcing, assessing, developing, and managing the talent that enables them to win. We are recognized consistently for our diversity - as a best place to work for Women, Inclusion, Equality and Disability and in 2022 ManpowerGroup was named one of the World's Most Ethical Companies for the 13th year - all confirming our position as the brand of choice for in-demand talent.
AI Principal Engineer VOYA Financial Inc.AI Principal EngineerWork@Home, MORemote$149,820–$198,370 / yearOperating with a high degree of independence, the AI Principal Engineer partners closely with product, engineering, data, and governance stakeholders to deliver scalable, reliable, and secure AI solutions in a highly regulated environment. In addition to base salary, Voya offers incentive opportunities (i.e., annual cash incentives, sales incentives, and/or long-term incentives) based on the role to reward the achievement of annual performance objectives.
NewPrincipal Software Engineer, Regulatory Chicago Board Options ExchangePrincipal Software Engineer, RegulatoryKansas City, MO$165,750–$214,500 / yearOur principal engineers mentor high performing engineering teams to design novel engineering solutions, new datasets, automation tools and engineering processes to deliver on mission critical projects. The anticipated base salary range for this role is $165,750-$214,500, with actual compensation determined by job‑related factors such as skills, relevant experience, education, internal alignment, and location.
Principal Investigator, MD Civia HealthPrincipal Investigator, MDIndependence, MOFull timeOur purpose is bold: to bring clinical trials front and center in your community, make them accessible to everyday people, and empower underrepresented communities to participate. At Civia Health, we’re reimagining how clinical trials are delivered—by putting patients first and empowering providers to lead innovation.
Principal Project Engineer – Life Sciences Pyramid, IncPrincipal Project Engineer – Life SciencesSt. Louis, MO$90–$120 / hourFull timeKey Responsibilities: The client is looking for a senior-level Principal Project Engineer with strong Life Sciences/Pharmaceutical facility project execution experience , rather than a purely design-focused engineer. Provide senior-level project engineering and technical expertise to ensure successful project delivery of life science projects.
Principal Software Developer Kafka Leidos Holdings IncPrincipal Software Developer KafkaMO$131,300–$237,350 / yearResponsibilities: Architect, design, develop, and implement next-generation application using software engineering best practices in the latest technologies: AI-Leveraged Development (agentic coding tools like Claude Code, multi-agent orchestration, MCP-based tool integration, RAG, context engineering, AI evals/guardrails). 3+ years of combined hands-on experience designing, developing, and supporting Apache Kafka or other streaming data solutions in production environments, including event-driven architectures, topic design, scalability, reliability, and performance optimization.