7,629 Results for

Marketing Jobs in Saint Louis, MO

Jobs

Principal Research Scientist Autonomous Systems Peraton Inc

$146,000–$234,000 / year

We have several active research and development projects where we design, integrate, and demonstrate solutions for a range of AI applications, including AI-enabled cybersecurity, adversarial machine learning, large language models, cyber and networking models, reinforcement learning, social media disinformation and influence campaigns, and so on. An important component of Peraton Labs' work involves design and prototyping of software to prove out technical concepts; you should therefore have strong software development skills and be willing to learn new skills and technologies as needed to develop cutting-edge solutions based on customer needs.

19 days ago

Principal AI/ML Engineer (Large Language Model) (TS/SCI) {S} ARKA Group, L.P.

King Of Prussia, Pennsylvania

Experience leading an interdisciplinary team of researchers and software developers and working with a program manager to define project scope and schedule to ensure we meet project milestones as defined by our customers. Situated less than an hour outside of Philadelphia and hosting the largest mall on the east coast, King of Prussia offers the urban feel sought in the city, while also giving opportunities to experience the beauty and history found only in Pennsylvania.

30+ days ago

Engineer I, II, III or Principal PPL Electric Utilities Corp.

Allentown, Pennsylvania

Engineer III: - ABET Accredited bachelor’s degree in engineering or engineering technology plus 5 years of engineering experience, or a master’s degree in engineering plus 3 years of engineering experience, or a PhD in Engineering plus 2 years of engineering experience. - ABET Accredited bachelor’s degree in engineering or engineering technology plus 10 years of engineering experience, or a master’s degree in engineering plus 8 years of engineering experience, or a PhD in Engineering plus 7 years of engineering experience.

30+ days ago

Principal Engineer for Airport Design HDR Inc

Philadelphia, PA

United States-Pennsylvania-Philadelphia'',''United States-Pennsylvania-Philadelphia'',''United States-Pennsylvania-Pittsburgh'',''United States-Pennsylvania-Pittsburgh'','''','''','''','''','''','''',''Aviation'',''Aviation'',''Full-time'',''Full-time'',''Regular'',''Regular'','''','''',''Airfield Design'',''Airfield Design'',''Oct 5, 2026'',''Oct 5, 2026'',''false'',''791688'',''791688'',''true'',''791688'',''false'',''Submission for the position: Principal Engineer for Airport Design - (Job Number: 196488)'',''false'',''791688'',''false'',''true''. Our eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ+, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute.

13 days ago

Principal Water Engineer Mott Macdonald-Qatar

Philadelphia, PA

$153,000–$188,000 / year

Boston, Massachusetts, United States / Westwood, Massachusetts, United States / Buffalo, New York, United States / Freehold, New Jersey, United States / Iselin, New Jersey, United States / Morristown, New Jersey, United States / New York, New York, United States / Philadelphia, Pennsylvania, United States / Pittsburgh, Pennsylvania, United States. The Principal Wastewater Engineer will also help expand the team's ability to deliver complex wastewater projects, develop future technical and project leaders, and enhance the organization's reputation across the New York, New Jersey, Pennsylvania and Massachusetts wastewater market.

11 days ago

Principal AI Engineer Vertex Inc

$159,600–$207,500 / year

Design, train, fine-tune, evaluate, and optimize traditional AI/ML models and large language models using parameter-efficient techniques (e.g., QLoRA, LoRA, PEFT) and full fine-tuning where warranted. Design orchestration and abstraction layers that connect LLMs to enterprise tools, data, APIs, and specialized sub-agents while decoupling product teams from underlying models and providers.

30+ days ago

Principal Business Insights Analyst Citizens Financial Group Inc

Conshohocken, PA

$139,000–$182,000 / year

Reporting to the Principal Business Insights Director, this role works closely with Sales Leadership, Product teams, Field Execution leaders, and enterprise data and analytics partners to identify opportunities, diagnose performance gaps, and help leaders make informed business decisions. Partner closely with Sales Leadership, Product teams, Field Execution leaders, and enterprise data and analytics partners to align analytical work with key business priorities.

4 days ago

Remote Principal Full Stack Software Engineer Butterfly Network Inc

Remote

In addition to its medical imaging products, Butterfly Embedded is the Company's Ultrasound-on-Chip licensing and co-development program designed to enable a new wave of ultrasound-enabled technologies across non-competitive healthcare markets and beyond. In doing so, we manage and maintain our customers' administration of users and organizations, ensuring feature and entitlement management, as well as building scalable, platform-level enterprise features such as global search and audit logging.

30+ days ago

Associate Principal, Commercial Strategy Trinity Life Sciences

East Norriton, PA

$156,000–$234,000 / year

Trinity's salary bands account for a wide range of factors that are considered in making compensation decisions including but not limited to skill sets and market demand for skills; level of experience and training; specific qualifications, performance, time in role/company, geographic location, and other business and organizational needs. For more than 30 years, the world's leading pharmaceutical, biotech, and medtech companies have relied on Trinity's foresight, execution, and partnership to deliver confident product launches, decisive market advantage, and measurable patient impact.

30+ days ago

Associate Principal- Commercial Strategy Trinity Life Sciences

Princeton, NJ

$156,000–$234,000 / year

30+ days ago

Principal Security Engineer StratAcuity Staffing Partners Inc

Philadelphia, PA

$55–$60 / hour

In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. This includes an understanding of encryption methodologies, network architecture, protocols, and security technologies (firewalls, IDS/IPS, VPN, SIEM, endpoint protection), and proficiency in security frameworks like MITRE ATT&CK and the Cyber Kill Chain.

30+ days ago

Associate Principal- Corporate Strategy Advisory Trinity Life Sciences

Princeton, NJ

$170,000–$234,000 / year

30+ days ago

Principal Clinical Content- Physician - UpToDate, Physician Editor, Adult Rheumatology Wolters Kluwer N.V.

Philadelphia, PA

$173,500–$310,000 / year

UpToDate editors work closely with outside authors, section editors, editors-in-chief, and peer reviewers to ensure the material is accurate and free of bias. In the remaining 10 to 20% time, most Physician Editors remain involved in patient care activities, using their clinical experience to help ensure the content of the program is maximally useful at the point of care.

24 days ago

Salesforce Data 360 Principal Architect Slalom Inc

Philadelphia, PA

We partner with leading platforms-Salesforce, ServiceNow, Adobe, Anaplan, Workday, Contentful, Boomi, Workato and more-to build scalable, end-to-end solutions that unify data, streamline operations, and unlock actionable insights. The ideal candidate has a desire for continuous professional growth and can deliver complex, end-to-end Data Cloud implementations from strategy and design, through to data ingestion, segment creation, and activation; all while working alongside both our clients and other delivery disciplines.

6 days ago

Principal Clinical Scientist, Clinical Development - Hematology CSL Behring LLC

King of Prussia, PA

$168,000–$199,000 / year

We use three strategic scientific platforms of plasma fractionation, recombinant protein technology, and cell and gene therapy to support continued innovation and continually refine ways in which products can address unmet medical needs and help patients lead full lives. Focused on serving patients' needs by using the latest technologies, we discover, develop and deliver innovative therapies for people living with conditions in the immunology, hematology, cardiovascular and metabolic, respiratory, and transplant therapeutic areas.

16 days ago

Principal Scientist, Biostatistics, Late-Stage Clinical Development Merck & Co Inc

North Wales, PA

$190,800–$300,300 / year

In BARDS (Biostatistics and Research Decision Sciences), a distinguished department within our company's renowned Research and Development division, quantitative scientists, in partnership with other subject matter experts, apply state-of-the art scientific methodologies and tools to enable the discovery, development, regulatory approval, manufacturing, and marketing of medical drugs and vaccines for the benefit of patients and global human health. Interacts with Clinical, Regulatory, Statistical Programming, Data Management, and our company Research Laboratories Scientists in designing and analyzing clinical trials, and in coordinating the statistical activities for clinical drug/vaccine projects.

30+ days ago

Principal Scientist (Scientific Director Level)- Nonclinical Drug Safety Merck & Co Inc

West Point, PA

$176,200–$277,300 / year

They are responsible for 1) providing risk assessments for targets, 2) de-risking strategies for discovery programs and 3) collaborating with NDS staff at other sites to execute on the appropriate studies to support selection of therapeutic targets, and the identification and development of new drug candidates. The Discovery Program Leader is responsible for defining and overseeing the NDS strategy for programs in all modalities (including small molecules, peptides, biologics and ADC programs) from Target Identification through to the approval of First-In-Human enabling GLP toxicity studies.

30+ days ago

Experienced Structural Engineer | Associate Principal Wiss Janney Elstner Associates

Philadelphia, Pennsylvania

$110,700–$184,500 / year

Technical leadership, including applying sound engineering judgement and a deep understanding of governing codes, design guidelines, and industry practices; collaborating with interdisciplinary project teams across WJE as the structural engineering subject-matter expert (SME); leveraging your expertise for a variety of structural engineering projects, including the investigation, design, analysis, repair, and renovation of new and existing structures, construction materials, loading conditions, and construction types; preparing technically excellent client deliverables; providing high-quality reviews and oversight of work by others; and performing and training others in hands-on fieldwork. Minimum twenty years of relevant structural engineering industry experience, including technical and project management (e.g., failure/damage investigation; non-destructive evaluation and instrumentation; structural analysis and design for repair, retrofit, and rehabilitation of existing structures; evaluation of parking garage structures; and/or specialty consulting of new systems and materials from design through construction).

30+ days ago

Senior Principal Scientist, Clinical Research Merck & Co Inc

upper gwynedd, PA

$282,200–$444,200 / year

Assist the Executive Director, Associate Vice-President/Vice-President and Product Development Team Lead in ensuring that appropriate corporate personnel is informed of the progress of studies of our company and competitors' drugs and internal and external expert opinion on scientific questions relevant to their areas of responsibility. With a focus on late-stage development, the Senior Clinical Director will manage the entire cycle of clinical development, including determination of appropriate disease indications to pursue and subsequent study design, initiation, execution, monitoring, analysis, regulatory filing, and publication.

5 days ago

Principal Electrical Engineering Specialist Air Products and Chemicals

Allentown, PA

When we come together - where every voice is heard and everyone knows they belong and matter - we create solutions that launch people into space, support lifesaving care in hospitals, and enable the construction of groundbreaking, world scale production facilities. Experience specifying, reviewing, and approving HV substation equipment, transformers, HV and LV motors and Generators, Motor control centers, Variable frequency drives, Station Battery, and UPS systems is helpful.

11 days ago

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Marketing Jobs in Saint Louis, MO

Principal Research Scientist Autonomous Systems Peraton Inc

Principal AI/ML Engineer (Large Language Model) (TS/SCI) {S} ARKA Group, L.P.

Engineer I, II, III or Principal PPL Electric Utilities Corp.

Principal Engineer for Airport Design HDR Inc

Principal Water Engineer Mott Macdonald-Qatar

Principal AI Engineer Vertex Inc

Principal Business Insights Analyst Citizens Financial Group Inc

Remote Principal Full Stack Software Engineer Butterfly Network Inc

Associate Principal, Commercial Strategy Trinity Life Sciences

Associate Principal- Commercial Strategy Trinity Life Sciences

Principal Security Engineer StratAcuity Staffing Partners Inc

Associate Principal- Corporate Strategy Advisory Trinity Life Sciences

Principal Clinical Content- Physician - UpToDate, Physician Editor, Adult Rheumatology Wolters Kluwer N.V.

Salesforce Data 360 Principal Architect Slalom Inc

Principal Clinical Scientist, Clinical Development - Hematology CSL Behring LLC

Principal Scientist, Biostatistics, Late-Stage Clinical Development Merck & Co Inc

Principal Scientist (Scientific Director Level)- Nonclinical Drug Safety Merck & Co Inc

Experienced Structural Engineer | Associate Principal Wiss Janney Elstner Associates

Senior Principal Scientist, Clinical Research Merck & Co Inc

Principal Electrical Engineering Specialist Air Products and Chemicals

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