1,445 Results for

OT Jobs in Clayton, MO

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Assurance Intern, Third Party Attestation - Summer 2027 (St. Louis) BDO International Ltd

St Louis, MO

$40–$45 / hour

Under the direction of the engagement team, the Assurance Intern, Third Party Attestation will learn how to prepare third-party attestation reports, including System and Organization Controls (SOC) 1, SOC 2, SOC 3, SOC for Cybersecurity and WebTrust for CAs, as well as HITRUST, SSPA, ISO, MRC and CSA STAR. Job Summary: Our Third Party Attestation (TPA) practice helps large global and other growth companies to address their external compliance requirements in the areas of technology, security, system processing and privacy.

5 days ago

2027 Summer Intern: Accounting - Revenue & Compliance Hubbell Inc.

Saint Louis, MO

$22.50–$29 / hour

Hubbell Utility Solutions (HUS) enable the grid to conduct, communicate and control energy across utility applications and Hubbell Electrical Solutions (HES) are essential to managing power across a wide range of industries and applications. The intern will analyze and resolve routine RAR processing exceptions, identify recurring error trends, and collaborate with Accounting, Pricing, Revenue Operations, and IT teams to improve reporting accuracy and operational efficiency.

30+ days ago

2027 Summer Intern: Product Marketing - UX Design Hubbell Inc.

Saint Louis, MO

$22.50–$29 / hour

Hubbell Utility Solutions (HUS) enable the grid to conduct, communicate and control energy across utility applications and Hubbell Electrical Solutions (HES) are essential to managing power across a wide range of industries and applications. The Hubbell Internship Program is a 10 to 12-week program providing students the opportunity to gain corporate experience, learn about all aspects of our business, and prepare students with the kind of experience needed to have a rewarding career at Hubbell.

19 days ago

Fire Protection Engineering Intern - Summer 2027 FEDSTL Jacobs Solutions Inc

St. Louis, MO

$45,000–$60,000 / year

As a Fire Protection intern you will work alongside a robust staff of experienced and licensed Fire Protection Engineers to develop and use your skills and experience to deliver and complete challenging and engaging buildings projects across many different markets such as Commercial, Federal, Mission Critical, and Advanced Facilities projects in many different regions including but not limited to the United States, Asia, and the Middle East. At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good.

3 days ago

Building Mechanical Engineering Intern - Summer 2027 FEDSTL Jacobs Solutions Inc

St. Louis, MO

$48,000–$60,000 / year

At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good. Our North American Internship Program will allow you to engage with interdisciplinary counterparts and senior leadership across all business units and geographies- giving you a chance to network, explore the company, and learn more about our dynamic industry.

30+ days ago

Transportation Civil Engineering Intern - Summer 2027 Jacobs Solutions Inc

St. Louis, MO

$45,000–$65,000 / year

At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good. You'll take ownership of the completeness, accuracy and timeliness of the work assigned to you by demonstrating the ability to progress from basic design work assignments to more complicated and involved projects working in conjunction with a technical team.

30+ days ago

Project Manager Co-Op (Spring/Summer 2027) Arco Construction

Richmond Heights, MO

Because MCC is committed to creating opportunities for individual success, from day one, you will be given the tools to excel in your role, take on meaningful responsibilities, and experience why MCC is truly the best place to build your career. Shop Drawing and Submittal Review- Receive shop drawing or submittal from subcontractor, give to PM, communicate to subcontractor that they can begin ordering material and working.

30+ days ago

Construction Safety Intern Summer 2027 ARCO Construction Company Inc

St. Louis, MO

Hone your safety skills working directly with an experienced Safety Manager on design/build construction projects clients including Fortune 500 companies, award winning commercial real estate developers and small business end users. At ARCO, an Intern/Co-op has the opportunity to assist Safety Managers with the following: Visit Jobsites and get hands on experience from our expert field personnel on projects in a variety of industries including distribution, office, foodservice, multi-family housing, entertainment and more.

24 days ago

Summer 2027 Internship- Business Development - Federal Civilian Growth Maximus

St. Louis, MO

Full time

Maximus compensation is based on various factors including but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment. Job Specific Duties: -Conduct various forms of open-source research, including but not limited to: competitive intelligence, contracts & task order information, teaming partner analysis, and market trends.

10 days ago

Project Manager Co-Op (Summer/Fall 2027) Arco Construction

Richmond Heights, MO

30+ days ago

Project Manager Co-op Spring/Summer 2027 ARCO Construction Company Inc

Richmond Heights, MO

Design meetings - Attend design meetings with owner and team to understand design proposals from structural engineers and architects. Because MCC is committed to creating opportunities for individual success, from day one, you will be given the tools to excel in your role, take on meaningful responsibilities, and experience why MCC is truly the best place to build your career.

24 days ago

Project Manager Co-op Summer/Fall 2027 ARCO Construction Company Inc

Richmond Heights, MO

24 days ago

Summer 2028 Assurance Intern RubinBrown Family Office Services Group

St. Louis, MO

To foster a highly respected, inclusive culture that helps foster and promote an environment that is diverse and equitable for all team members and the firm to achieve growth and deepened expertise. RubinBrown redefines the full-service experience by combining technical and industry expertise with a commitment to personal and high-level relationships.

30+ days ago

Returning Planning Intern- Summer 2027- Central Division (For Current/Former Hntb Interns Only) HNTB Corporation

Saint Louis, MO

Locations: Austin, TX, Baton Rouge, LA, Dallas, TX, Des Moines, IA, El Paso, TX, Fort Worth, TX, Houston, TX (Fannin), Kansas City, MO, Little Rock, AR, New Orleans, LA, Oklahoma City, OK, Overland Park, KS (129th Street), Overland Park, KS (Sprint Parkway), Plano, TX (Granite Parkway), Round Rock, TX, San Antonio, TX (McAllister Freeway), St. Louis, MO. Staffing/employment agencies who have fee agreements with HNTB must submit applicants to the designated HNTB recruiter to be eligible for placement fees.

30+ days ago

Landscape Architect Intern - Summer 2027 HNTB Corporation

Saint Louis, MO

As a Landscape Architect at HNTB, you will be part of the Transportation Planning and Policy Group, contributing to large-scale master planning initiatives, public transit systems, corridor aesthetics programs, and multimodal transportation projects. You will collaborate with a highly experienced team of landscape architects, planners, and engineers to deliver innovative and impactful solutions for clients nationwide.

30+ days ago

Intern Engineer - Summer 2027 - Central Division (For Current/Former Hntb Interns Only) HNTB Corporation

Saint Louis, MO

30+ days ago

New Grad Scientist I - Summer 2027 - Central Division (For Current/Returning Hntb Interns Only) HNTB Corporation

Saint Louis, MO

Locations: Austin, TX, Baton Rouge, LA, Dallas, TX, Des Moines, IA, El Paso, TX, Fort Worth, TX, Houston, TX (Fannin), Kansas City, MO, Little Rock, AR, New Orleans, LA, Oklahoma City, OK, Overland Park, KS (129th Street), Overland Park, KS (Sprint Parkway), Plano, TX (Granite Parkway), Round Rock, TX, San Antonio, TX (McAllister Freeway), St. Louis, MO. This opportunity entails being responsible for assisting with basic scientific studies, documentations and investigations at project sites and phases or projects, including planning, design, program management and construction.

30+ days ago

New Grad Engineer I - Winter/Summer 2027 - Central Division (For Current/Former Hntb Interns Only) HNTB Corporation

Saint Louis, MO

Locations: Austin, TX, Baton Rouge, LA, Dallas, TX, Des Moines, IA, El Paso, TX, Fort Worth, TX, Houston, TX (Fannin), Kansas City, MO, Little Rock, AR, New Orleans, LA, Oklahoma City, OK, Overland Park, KS (129th Street), Overland Park, KS (Sprint Parkway), Plano, TX (Granite Parkway), Round Rock, TX, San Antonio, TX (McAllister Freeway), St. Louis, MO. Supports engineering teams with various tasks and duties including but not limited to research, data collection, field investigations, development, and design of projects.

30+ days ago

Returning Digital Infrastructure Solutions Intern - Summer 2027 - Central Division (For Current/Former Hntb Interns Only) HNTB Corporation

Saint Louis, MO

30+ days ago

Summer Intern - Global Audit Reinsurance Group of America Inc

Chesterfield, MO

Potential responsibilities include but are not limited to: Perform testing and walkthrough procedures to assess company compliance associated with key processes; review and analyze the control structure, perform walkthrough and testing procedures, document testing results, and communicate results to the process owners and the audit team. Candidates will have the opportunity to work with both internal audit team members and external stakeholders across the enterprise, assisting on a variety of challenging operational and financial audit engagements as well as a variety of compliance audits.

30+ days ago

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OT Jobs in Clayton, MO

Assurance Intern, Third Party Attestation - Summer 2027 (St. Louis) BDO International Ltd

2027 Summer Intern: Accounting - Revenue & Compliance Hubbell Inc.

2027 Summer Intern: Product Marketing - UX Design Hubbell Inc.

Fire Protection Engineering Intern - Summer 2027 FEDSTL Jacobs Solutions Inc

Building Mechanical Engineering Intern - Summer 2027 FEDSTL Jacobs Solutions Inc

Transportation Civil Engineering Intern - Summer 2027 Jacobs Solutions Inc

Project Manager Co-Op (Spring/Summer 2027) Arco Construction

Construction Safety Intern Summer 2027 ARCO Construction Company Inc

Summer 2027 Internship- Business Development - Federal Civilian Growth Maximus

Project Manager Co-Op (Summer/Fall 2027) Arco Construction

Project Manager Co-op Spring/Summer 2027 ARCO Construction Company Inc

Project Manager Co-op Summer/Fall 2027 ARCO Construction Company Inc

Summer 2028 Assurance Intern RubinBrown Family Office Services Group

Returning Planning Intern- Summer 2027- Central Division (For Current/Former Hntb Interns Only) HNTB Corporation

Landscape Architect Intern - Summer 2027 HNTB Corporation

Intern Engineer - Summer 2027 - Central Division (For Current/Former Hntb Interns Only) HNTB Corporation

New Grad Scientist I - Summer 2027 - Central Division (For Current/Returning Hntb Interns Only) HNTB Corporation

New Grad Engineer I - Winter/Summer 2027 - Central Division (For Current/Former Hntb Interns Only) HNTB Corporation

Returning Digital Infrastructure Solutions Intern - Summer 2027 - Central Division (For Current/Former Hntb Interns Only) HNTB Corporation

Summer Intern - Global Audit Reinsurance Group of America Inc

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