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With $8.1 billion in revenue for 2025, Clayco specializes in the ''art and science of building,'' providing fast track, efficient solutions for mission critical, industrial, life sciences, power & energy, aviation, commercial, institutional, residential and sports & entertainment related building projects. Supports power distribution, switchgear, transformers, UPS and generators, busway, lighting, fire alarm, and low voltage packages on large-scale Data Center, Industrial, Life Science, Commercial, and Institutional projects.

Clayco Inc

Procurement Engineer Electrical

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The ideal candidate brings strong analytical skills, the ability to influence across all organizational levels, and a hands‑on approach to implementing sustainable improvements in fast‑paced operational environments. Position Summary: The Industrial Engineer - Operational Excellence supports our nationwide pallet‑pooling operations by driving process improvements, optimizing performance, and strengthening our culture of safety and continuous improvement.

PECO Pallet, Inc.

Industrial Engineer

An Innovative, Industry Leading Environment (Innovation): Our Innovation pillar fuels creative problem solving, modern technology adoption, and breakthrough thinking that positions RailPros as a leader in the rail and transit space. Culture & Recognition: Employee spotlights, annual Service Excellence Awards, alignment committee, philanthropy opportunities, company events, monthly new hire calls, monthly newsletters, feedback surveys, and quarterly town halls.

RAILPROS Inc

Engineer III

Leidos ASC provides science and logistics support for approximately 150 science and technical events across three geographically remote research stations; McMurdo Station, Palmer Station, and South Pole Station and several deep field sites across Antarctica. Leidos supports the NSF's Office of Polar Program's Antarctic Infrastructure and Logistics by aligning with their Mission and Vision Statements: Vision: Expanding our scientific reach in Antarctica through increased operational and logistical effectiveness.

YEAR

SAIC is a premier Fortune 500® technology integrator driving our nation's digital transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, IT modernization, and mission solutions. Using our expertise and understanding of existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective, and efficient solutions that are critical to achieving our customers' missions.

We are a team of 26,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.1 billion. For more information, visit saic.com.

Leidos Holdings Inc

Satellite Systems Engineer

FULL_TIME

The Data Engineer works within the Agile frameworks to support the team's data-driven approach to application migration, collaborating closely with other team members to ensure data integrity and accessibility throughout the transition to cloud environments. This position is responsible for creating efficient data pipelines, ensuring data quality, and implementing ETL (Extract, Transform, Load) processes to facilitate the seamless migration and deployment of data across systems.

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<p>iQuasar is a technology services company based out of greater Washington, D.C. that has been in the business for more than a decade. We are experienced in working with Federal, State, and Local Governments as well as Commercial customers. Our employees and contractors have served customers like the Federal Reserve Board, United States Patent and Trade Office (USPTO), Comcast Cable, Frontier Wireless, T-Mobile, IBM, Departments of Transportation & Treasury, and Commonwealths of VA & PA, among many others.</p>
<p>We have strong capabilities in Program/ Project Management, Application & System Development/Administration, Help Desk, Cloud, Business Process Design, and Cybersecurity. We are an authorized Microsoft, Amazon Web Services, and Google partner. We provide Information Technology services to our broad customer base and proposal development and recruitment process outsourcing services to our government contractor customers.</p>
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IQUASAR LLC

Data Engineer

Daikin Applied is seeking a Sr Technical Support Analyst- VRV who will provide technical leadership and support for complex product and system design challenges involving VRV (Variable Refrigerant Volume) and VRF (Variable Refrigerant Flow) systems within Daikin Applied through advanced product knowledge and application expertise. When not traveling, work is primarily performed from a home office using company-provided computer, phone, remote-access tools, Salesforce, Microsoft Office, Teams, Service Checker, and other technical support systems.

Daikin Applied Americas Inc.

Senior National Technical Support Analyst-VRV

Leveraging Jira, AWS, Azure, and internal purpose-built tools, you'll provide IT support by serving as the primary point of contact for end-user issues, diagnosing infrastructure or application problems, managing user access, and tracking support tickets through resolution. The ideal candidate pairs a curious mind with a drive to understand complex problems, a passion for clear documentation, and a genuine desire to make people happy, while protecting operational integrity in a fast-paced, high-security environment.

HOUR

Chameleon Integrated Services

IT & Cloud Support Analyst

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The NOC/SOC Engineer will support network and security operations by monitoring enterprise systems, investigating alerts, troubleshooting incidents, and maintaining operational availability across mission-critical environments. iQuasar LLC is a proud partner of the Military Spouse Employment Partnership (MSEP) and the Virginia Values Veterans (V3) Program , reflecting our strong commitment to supporting military spouses, veterans, and inclusive hiring practices.

NOC SOC Engineer

As Senior Security Engineer on NISA''s Cybersecurity team within the Technology Operations Group, you are a senior individual contributor who engineers and operates security controls across identity and access management (IAM), privileged access management (PAM), cloud, artificial intelligence (AI), security operations and vulnerability management, partnering with the Deputy CISO and IT engineering. AI security and governance: Pilot and build guardrails for approved AI tooling and firmwide AI adoption; assess AI systems and vendors for prompt injection, data leakage and excessive agent permissions (NIST AI RMF, OWASP LLM Top 10); enforce least privilege and logging for AI agents; monitor unapproved AI use; use AI-assisted engineering with human review of production-bound output.

NISA Investment Advisors LLC

Senior Security Engineer, Information Technology

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. Boeing is a Drug Free Workplace where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids, amphetamines, PCP, and alcohol when criteria is met as outlined in our policies.

At Boeing, you can build something better for yourself, our customers, and the world. Here you can transform aerospace and make history. And you’ll work alongside other experts and visionaries who lead and inspire. Our workforce includes every profession and career path you can imagine, taking you as far as you can dream. 

Boeing

Lead Structural Analysis Engineer

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In this Software Engineer II role, you'll help build and evolve a Third Party Risk Management SaaS platform using Laravel and PHP, designing scalable APIs and services that keep performance and reliability front and center. Whether you're designing systems that leverage large language models or part of a team reimaging workflows with AI, you'll help us unlock entirely new ways of working and thinking.

Diligent

Software Engineer II

Understand, maintain and troubleshoot control systems, including PLC/PC controllers and industrial networks such as Ethernet, ControlNet, DeviceNet, Profibus, ASi bus, motor control systems, servo drives, frequency drives, and electrical distribution systems. NOTICE TO EXTERNAL SEARCH FIRMS: McCarthy's Talent Acquisition Team is the only authorized representative permitted to engage with external search firms, staffing agencies, or other third-party recruiting partners.

McCarthy Holdings Inc

Automation Engineer - Mission Critical

Due to continued growth, Salas O'Brien, a leader in industrial automation engineering and equipment, located in Chesterfield, Missouri has an immediate opening for a remote, experienced, creative and dynamic individual for the position of Automation Engineer. The candidate will be able to work independently but be quick to ask questions and draw upon the best Salas O'Brien, customer, and industry resources to complete work accurately and efficiently.

Salas O'Brien Engineers Inc

Automation Engineer II

Leidos ASC provides science and logistics support for approximately 150 science and technical events across three geographically remote research stations; McMurdo Station, Palmer Station, and South Pole Station and several deep field sites across Antarctica. Experience with VMware and Hyper-V, Red Hat OpenShift and container orchestration, bash/Python scripting, Git and CI/CD, Red Hat Satellite, Ansible playbooks, security and patch management, Elastic Stack or Splunk with Zabbix, and MariaDB/MySQL.

Senior Systems Engineer (Antarctic Support Contract)

Projects typically involve complex, multi-building and multi-campus portfolios within higher education and healthcare environments, and are characterized by substantial mechanical infrastructure and advanced, integrated control strategies. They must uphold and promote the ENFRA brand by guaranteeing excellence in the execution of work and ensuring positive client experience, performing assigned duties with minimal supervision while working in a team problem-solving environment.

ENFRA LLC

Technical Services Engineer III

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Preference for a Master''s of Business Administration or PHD degree in at least one of the following fields of study: Computer and Information Science, Computer Engineering, Computer Management, Computer Science, Engineering, Geography, Geological Engineering, Geophysics, Information Technology, Management Information Systems. PwC does not intend to hire experienced or entry level job seekers who will need, now or in the future, PwC sponsorship through the H-1B lottery, except as set forth within the following policy: https://pwc.to/H-1B-Lottery-Policy .

<p>PwC’s accounting practice originated in London well over a century ago. As times changed and PwC expanded worldwide, our commitment to clients—like you—never wavered. With us, you’re always supported by a global network of more than 223,000 people in 157 countries with one goal: to help your business thrive.</p>

<p>PwC’s professional services include audit and assurance, tax and consulting that cover such areas as cybersecurity and privacy,  human resources, deals and forensics. We help resolve complex issues and identify opportunities across these industries.</p>

<p>Let’s combine your ​aspirations with our world-class capabilities to achieve your goals.</p>

PricewaterhouseCoopers LLP

GIS DevSecOps Engineer, Senior Associate

Automation Engineer III

Preference for a Master's of Business Administration or PHD degree in at least one of the following fields of study: Computer and Information Science, Computer Engineering, Computer Management, Computer Science, Engineering, Geography, Geological Engineering, Geophysics, Information Technology, Management Information Systems. PwC does not intend to hire experienced or entry level job seekers who will need, now or in the future, PwC sponsorship through the H-1B lottery, except as set forth within the following policy: https://pwc.to/H-1B-Lottery-Policy .

GIS Devsecops Engineer, Senior Associate

Release Train Engineer Qualifications: Bachelor's degree in Computer Science, Software Engineering, or related field and 8-12 years of prior relevant experience or Master's with 6-10 years of prior relevant experience. RGi provides opportunities, resources, training, and mentorship to all our employees to let them take control of their careers and become a leader or a crucial member of our company.

Reinventing Geospatial

Senior Release Train Engineer

As a Google Cloud Engineer, Experienced Associate you will support cloud engineering efforts within our Advisory practice, contributing to data modernization work that helps clients move legacy data environments toward cloud-native architectures on Google Cloud Platform. In this role at PwC, you will help design, build, integrate, and maintain cloud and data solutions that support data platform modernization, ETL processes, and analytics use cases across Google Cloud and broader multi-cloud environments.

Support Engineer Jobs in Saint Charles, MO

Procurement Engineer Electrical Clayco Inc

Industrial Engineer PECO Pallet, Inc.

Engineer III RAILPROS Inc

Satellite Systems Engineer Leidos Holdings Inc

Data Engineer IQUASAR LLC

Senior National Technical Support Analyst-VRV Daikin Applied Americas Inc.

IT & Cloud Support Analyst Chameleon Integrated Services

NOC SOC Engineer IQUASAR LLC

Senior Security Engineer, Information Technology NISA Investment Advisors LLC

Lead Structural Analysis Engineer Boeing

Software Engineer II Diligent

Automation Engineer - Mission Critical McCarthy Holdings Inc

Automation Engineer II Salas O'Brien Engineers Inc

Senior Systems Engineer (Antarctic Support Contract) Leidos Holdings Inc

Technical Services Engineer III ENFRA LLC

GIS DevSecOps Engineer, Senior Associate PricewaterhouseCoopers LLP

Automation Engineer III Salas O'Brien Engineers Inc

GIS Devsecops Engineer, Senior Associate PwC

Senior Release Train Engineer Reinventing Geospatial

Google Cloud Engineer, Experienced Associate PricewaterhouseCoopers LLP

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