jobs in ofallon, mo, us

O'Fallon, Missouri

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Today

Job#: 3056064 Job Description: Apex Systems is hiring a Critical Facilities Engineer (Data Center) for a large Healthcare client. Location: O'Fallon, MO (100% Onsite) Schedule: Three 13-hour shifts per week Shift Covered (post training period): Thursday 7PM - Friday 8AM Friday 7PM - Saturday 8AM Saturday 7PM - Sunday 8AM Duration: Long-term contract with potential for extension or conversion Position Overview We are seeking a Production Control Engineer II / Data Center Technician to su

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Full-time

$30 - $48 per hour

Production Support (Data Warehouse)

Earth City, Missouri

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Today

Job#: 3053498 Job Description: Production Support (Data Warehouse) Location: Earth City, Missouri (Onsite) Role Overview We are seeking a mid-to-senior level Production Support professional for a data warehouse environment. This role provides dedicated support for ETL processes, data-related issues, and functional questions. The ideal candidate will have strong critical thinking skills, solid communication abilities, and the capacity to operate independently in a technically complex setting.

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Full-time

$55 - $60 per hour

Cloud Platform Architect

Maryland Heights, Missouri

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Today

Job#: 3054622 Job Description: Platform Architect (Cloud & Kubernetes) Position Overview We are seeking an experienced Platform Architect to design, build, and evolve the platforms and reference architectures that support modern application deployments across cloud and Kubernetes environments. This role will be responsible for defining deployment patterns, platform standards, and infrastructure architecture across public cloud environments, with a preference for Google Cloud Platform (Google

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Full-time

$82 - $82 per hour

Sr Kafka Engineer

Maryland Heights, Missouri

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Today

Job#: 3054619 Job Description: Sr Kafka Engineer Location: Maryland Heights, Missouri (Onsite) Position Overview We are seeking a Senior Kafka Engineer / Administrator to support and enhance a large-scale enterprise streaming platform spanning on-premises and cloud environments. The environment includes Apache Kafka running on Cloudera, Confluent Platform, and AWS Managed Streaming for Apache Kafka (MSK), with infrastructure and configuration managed through Terraform and GitLab CI/CD. This i

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Full-time

$71 - $71 per hour

Data Center Tech - OFallon

O'Fallon, Missouri

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Today

Job#: 3046632 Job Description: Critical Facilities Engineer (Data Center) Location: O'Fallon, MO (100% Onsite) Schedule: Three 13-hour shifts per week (exact schedule to be determined) Monday-Wednesday for one position and Thursday- Saturday for Duration: Long-term contract with potential for extension or conversion Pay: $30.00 - $50.00 / hourly rate (based on years of experience and position level) Position Overview We are seeking a Production Control Engineer II / Data Center Technician

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Full-time

$30 - $55 per hour

Field Service Technician (St. Louis, MO)

Maryland Heights, Missouri

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Today

Job#: 3052041 Job Description: Field Service Technician (St. Louis, MO) Location: Maryland Heights, Missouri (Onsite) Role Overview We are seeking a Field Service Technician for an opportunity in the Maryland Heights, MO area. The role involves working directly with customers to install, test, and optimize systems and equipment. The successful candidate will be responsible for ensuring proper functionality, providing solutions, and maintaining a high standard of safety and customer service. K

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Full-time

$24 - $27 per hour

Software Engineer II

Bridgeton, Missouri

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Today

Job#: 3046571 Job Description: Software Engineer II Location: Bridgeton, Missouri (Onsite) Role Overview We are seeking a Software Engineer II to join an existing full-stack team. This role involves working on components of a large project focused on building innovative new products. This engineer will support development tasks required to build, deploy, and support IoT-based solutions, working with both front-end and back-end applications. Key Responsibilities Design and develop desktop appl

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Full-time

$65 - $70 per hour

Systems Engineers - Weapons Programs

Berkeley, Missouri

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Today

Job#: 3054652 Job Description: Systems Engineer (Level 3/4) St. Charles, MO Position Overview Seeking Systems Engineers to support advanced aerospace and defense programs. This role will work across multidisciplinary teams to develop, manage, and verify system requirements for complex weapons and mission systems throughout the product lifecycle. Candidates from a variety of engineering backgrounds are encouraged to apply, including systems, aerospace, electrical, mechanical, avionics, contro

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Full-time

$60 - $70 per hour

Project Engineer

Berkeley, Missouri

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Today

Job#: 3054663 Job Description: Senior Project Engineer Location: St. Charles, MO Position Overview Seeking an experienced Senior Project Engineer to support advanced aerospace and defense programs. This role will provide technical and project leadership throughout the product lifecycle, ensuring successful execution of engineering efforts while maintaining ownership of cost, schedule, risk, and overall program performance. Key Responsibilities Lead engineering projects from development throug

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Full-time

$65 - $85 per hour

Product Analyst (x2) - Web Portal Migration

Clayton, Missouri

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Today

Job#: 3055918 Job Description: Apex Systems is seeking Product Analysts to support large-scale web platform modernization initiatives. These roles will focus on analyzing existing web applications, identifying gaps against target-state solutions, gathering and documenting business requirements, and partnering with stakeholders to drive successful platform migrations. The ideal candidates will possess strong analytical, documentation, and stakeholder management skills and be comfortable working a

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Full-time

$60 - $65 per hour

Senior Change, Release and Deployment Analyst

Clayton, Missouri

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Today

Job#: 3054412 Job Description: Apex Systems is hiring a Senior Change, Release and Deployment Analyst for a large Healthcare client. Location: FULLY REMOTE anywhere in the United States. Role Overview This role provides enterprise oversight across multiple technology domains. The position involves governing production technology changes to reduce risk and disruption to business services, ensuring changes are planned, assessed, authorized, and validated according to enterprise policy. Success i

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Full-time

$55 - $65 per hour

Sr DevOps Engineer

St. Louis, Missouri

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Today

Job#: 3055732 Job Description: Apex Systems is seeking a Senior Data Engineer to support enterprise data platform initiatives with a focus on Snowflake-based solutions and data pipeline development. This role will be responsible for integrating data from multiple source systems, building scalable and reusable data engineering processes, and supporting modern data architecture initiatives. Key Responsibilities Design, develop, and maintain data pipelines to load and integrate data from multiple s

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Full-time

$50 - $100 per hour

Sr Data Engineer

St. Louis, Missouri

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Today

Job#: 3055728 Job Description: Apex Systems is seeking a Senior Data Engineer to support enterprise data platform initiatives with a focus on Snowflake-based solutions and data pipeline development. This role will be responsible for integrating data from multiple source systems, building scalable and reusable data engineering processes, and supporting modern data architecture initiatives. Key Responsibilities Design, develop, and maintain data pipelines to load and integrate data from multiple s

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Full-time

$50 - $100 per hour

Sr DevOps Engineer

St. Louis, Missouri

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Today

Job#: 3055731 Job Description: Apex Systems is seeking a Senior Data Engineer to support enterprise data platform initiatives with a focus on Snowflake-based solutions and data pipeline development. This role will be responsible for integrating data from multiple source systems, building scalable and reusable data engineering processes, and supporting modern data architecture initiatives. Key Responsibilities Design, develop, and maintain data pipelines to load and integrate data from multiple s

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Full-time

$50 - $100 per hour

Configuration Analyst

St. Louis, Missouri

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Today

Job#: 3053548 Job Description: Configuration Analyst Location: Brookfield, WI Role Overview Our organization is seeking an experienced System Configuration Analyst to support the build and configuration of new small-business credit card products. This role is hands-on and involves configuring card logic, payment rules, rewards structures, and product attributes across multiple internal systems. The ideal candidate has expertise in credit card issuing, payment configuration, and Agile deliver

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Full-time

$45 - $50 per hour

Cloud Application Software Security Engineer, Contractor

St. Louis, Missouri

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Today

Job#: 3051324 Job Description: Cloud Application Software Security Engineer, Contractor Location: St. Louis, Missouri (Partial Remote) Role Overview We are seeking an application/software engineer with a strong security focus to evaluate, prioritize, and remediate vulnerabilities and compliance findings across custom applications and infrastructure as code (IaC). This position will support the remediation of findings related to custom code and IaC, as well as maturing pipelines to address kno

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Full-time

$75 - $100 per hour

Salesforce Developer (SE2)

St. Louis, Missouri

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Today

Job#: 3053675 Job Description: Salesforce Engineer II Position Summary We are seeking a Salesforce Engineer II to design, develop, and support Salesforce solutions that drive business operations and improve user experiences. This role is responsible for leveraging technical expertise to solve complex business challenges, evaluate technology effectiveness, and recommend improvements that enhance quality, scalability, and performance. The ideal candidate will serve as a subject matter expert wi

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Full-time

$50 - $59 per hour

Backend Software Engineer (Java/Springboot)

St. Louis, Missouri

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Today

Job#: 3055039 Job Description: Remote Backend Software Engineer (Java/Springboot) Overview We are seeking a Software Engineer II to join our Partner Integrations Team, where you will play an important role in delivering technology solutions that enable strategic partnerships and connected services. This team is responsible for developing, maintaining, and enhancing applications and integrations that connect internal systems with external partners, streamline business processes, and improve bo

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Full-time

$50 - $59 per hour

Sr. Security Analyst- REMOTE

Remote or Milwaukee, Wisconsin

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Today

Job#: 3056033 Job Description: Our great client has an immediate REMOTE opening for a Senior Security Analyst. If you are interested please apply with resume to . Sr. Security Analyst In this role, the candidate can expect to: Analyze, design, engineer, implement and support SaaS security solutions for existing environments.Design and develop processes to address security configuration gaps with an eye towards continuous improvement and automated secure by default guardrailsWork closely with ve

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Full-time

$65 - $78 per hour

Enterprise Managed Container Platform Architect (100% REMOTE)

Remote or Cedar Rapids, Iowa

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Today

Job#: 3054486 Job Description: Enterprise Managed Container Platform Architect Pay Rate: $95-$100/hr Location: 100% Remote Overview We are seeking an experienced Enterprise Managed Container Platform Architect to lead the strategy, architecture, and standardization of enterprise container platforms across AWS cloud environments. This role will drive the design and adoption of scalable, secure, and automated container solutions utilizing AWS EKS, ECS, Kubernetes, and cloud-native technologies

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Full-time

$95 - $100 per hour

jobs in O'Fallon, MO, USA