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Our semiconductor MEMS programmable solutions offer a rich feature set that enables customers to differentiate their products with higher performance, smaller size, lower power, and better reliability. Today, MEMS timing powers over 400 applications, including high-growth ones in AI datacenters, automated driving, industrial and humanoid robots, wearables and IoT.

SiTime Corporation

Senior Engineer, Layout Design

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ADAPTED_NOW

Drive system architecture enhancements, design, implementation, testing, delivery, and operation of components for web and mobile based products and services. Work directly with product management and your team while analyzing and decomposing complex software requirements into simple user stories for planning and execution.

YEAR

Founded by CPA firms in 1994, Creative Financial Staffing has spent over 30 years helping job seekers and employers succeed. In fall 2025, we rebranded as CFS—a name that reflects our full range of expertise while staying true to the trusted company you know.CFS is the industry’s leading employee-owned staffing firm, connecting top talent in accounting, finance, technology, and human resources. We provide skilled professionals on both a temporary and permanent basis across diverse industries, leveraging our extensive network to match the right people with the right opportunities.Our dedication to excellence extends to our award-winning culture, recognized repeatedly for growth, recruiting, workplace environment, and employee support. Honors include Forbes’ “America’s Best Recruiting and Temporary Staffing Firms,” Staffing Industry Analysts’ top U.S. staffing rankings, FlexJobs’ Top 100 Companies for Remote and Hybrid Work, Top Workplaces USA, Newsweek’s Best Practices awards, and more.

Senior Software Engineer - Mobile

Leoforce - Creative Financial Staffing

Linux Networking & Routing: Deep knowledge of IP networking, NIC bonding, VLANs, multiple routing tables, policy-based routing (ip rule/ip route), firewalling (iptables/nftables), and packet analysis (tcpdump). You will own our automated OS provisioning workflows, configuration management frameworks, Linux networking and routing services, and hardware validation tooling, and serve as a senior escalation resource for deployment and operations teams.

Exegy

System Engineer

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This is an opportunity to bring a combination of deep technical knowledge with administration/analysis knowledge of Oracle's Cloud Infrastructure to provide escalation support to a wide range of complex production environment problems related to immense growth, scaling, leveraging the cloud, extremely high performance, and high availability requirements. We're looking for a Senior Technical Operations Engineer responsible for the operation of production environments, including systems and databases, supporting critical business operations.

For over three decades, Oracle has been the center of innovation for business software birthplace of the first commercially available relational database, the first suite of internet-based applications, and the next-generation enterprise-computing platform, Oracle Fusion. Today, Oracle provides the world's most complete, open, and integrated business software and hardware systems, with more than 370,000 customers including - 100 of the Fortune 100 - representing a variety of sizes and industries in more than 145 countries around the globe. And Oracle's 110,000 global employees - including 30,000 developers working full-time on Oracle products -are critical to that success.
Oracle Supports Workforce Diversity

Oracle

Technical Operations Engineer 3

OTHER

Mechanical Dynamics and Analysis LLC a world-class supplier of power generation services, parts, and repairs, has immediate openings for qualified individuals who have a desire to join a growing organization and an appetite for diverse and technically challenging work. The Repairs Division is seeking a Project Manager/Project Engineer to oversee ongoing and new projects focusing on power plant repairs.

MD&A

Project Engineer - Machining Services

Betterteam

Mechanical Dynamics and Analysis LLC a world class supplier of power generation services, parts, and repairs, has immediate openings for qualified individuals who have a desire to join a growing organization and an appetite for diverse and technically challenging work. Must be proficient in leadership, communication, organization, attention to detail, troubleshooting, planning, budgeting, time management, negotiating, risk management, and team building.

Project Engineer - Generator Division

You will serve as the team's primary database subject matter expert, partnering with software developers and systems engineers to maintain reliable database operations while improving database performance, design, security, and maintainability. The ideal candidate enjoys solving practical database challenges, can independently troubleshoot operational issues, and can recommend and implement improvements to how databases are designed, deployed, monitored, and maintained.

FST Technical Services was founded in 1984 to serve the needs of the growing, worldwide Semiconductor/Microelectronics and Life Sciences industries. We began as an independent interface between our clients and their subcontractors to establish build clean installation methods that satisfied internal specifications and conformed to regulatory requirements.
 
FST’s core expertise is in developing technical and logistical solutions for complex needs by continually investing in the most advanced equipment and training to meet the needs of the rapidly changing markets it serves. Today, our business has expanded to additional markets, including Automation, Manufacturing, Data/IT Centers, Energy/Advanced Technology and Technology/Research Laboratories.
 
Our experienced FST team serves as your trusted partner for QA/QC Services, Equipment Services, Staffing Solutions, Project Management, Analytical Testing and Inspections – virtually anything you might need throughout your project lifecycle. FST professionals also provide project consultation and employee training. We guide our customers throughout each project phase to ensure full compliance.
 
With peerless performance and proven results, FST is with you all the way.

D2 Technical Services

Senior PostgreSQL Database Engineer

Principle Duties and Responsibilities: Essential Functions: For manufacturing process to which individual is assigned: provide and maintain detailed work instructions, drive quality improvements, efficiency improvements, material presentation enhancements, manage the daily work plan, provide metrics for quality and schedule performance, and coordinate engineering and tooling changes as required. Gulfstream Aerospace Corporation, a wholly-owned subsidiary of General Dynamics (NYSE: GD), designs, develops, manufactures, markets, services and supports the world''s most technologically-advanced business jet aircraft.

Gulfstream Aerospace Corporation

Operations Engineer III

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This role does not include direct reports but requires managing QMS-related initiatives and auditing functions, including leading cross-departmental teams. Bachelor's degree or two-year degree and related experience, or equivalent experience (5-8 years)Experience working with a QMS in a disciplined, regulated industry and regulatory surveillance experience preferred.

Watlow Controls

Quality Management System Engineer II

Perform day-to-day maintenance, and specific scheduled maintenance activities that result from manufacturers recommended service intervals, alerts, bulletins, available patches, and updates according to agency approved change management processes. In this role you will have the opportunity to contribute to one or more areas including (but not limited to) data ingest, data normalization, SIEM management, Linux/Windows host administration, virtual machine (VM) management, and cloud asset management.

Freedom Technology Solutions Group

Cyber Data Analysis Engineer 718

Create detailed engineering drawings, guide major equipment rebuilds, and deliver small- to medium-scale projects in collaboration with inspection, operations, maintenance, and project teams. Refinery facilities include crude distilling, naphtha reforming, fluid catalytic cracking, alkylation, hydrocracking, hydrodesulfurization and delayed coking units.

Phillips 66 is a diversified energy manufacturing and logistics company. With a portfolio of Midstream, Chemicals, Refining, and Marketing and Specialties businesses, the company processes, transports, stores and markets fuels and products globally. Phillips 66 Partners, the company's master limited partnership, is an integral asset in the portfolio. Headquartered in Houston, the company has 14,000 employees committed to safety and operating excellence. Phillips 66 had $50 billion of assets as of June 30, 2016.

Phillips 66

Sr Engineer, Fixed Equipment, Wood River Refinery

Interface directly with Materiel Leaders, Chief Engineers, Foreign Military Sales (FMS) organizations, and other senior-level stakeholders to analyze program requirements and challenges, identify cross-program dependencies, and recommend actionable solutions to drive enterprise alignment across the international portfolio. To be successful in this role, you will have: An active TOP-SECRET security clearance with the ability to obtain and maintain Sensitive Compartmented Information (SCI) and access to Special Access Programs (SAP) and have a background investigation current within the past 5 years or under Continuous Vetting.

Serco, Inc. is the North America division of Serco Group, plc, one of the world’s leading service companies. At Serco we serve every branch of the U.S. Military, federal, state and local governments, Canadian and provincial governments, as well as commercial customers. We are a leading provider of professional, technology, engineering, trades, and management services, and we support the public service areas of Defense, Citizen Services, and Transportation.
Headquartered in Herndon, Virginia, Serco has over 9,000 employees working at over 100 sites across the U.S. and Canada. Serco is a business where people and values matter. Our workplace culture is one that embraces diversity and fosters equity, respect, and belonging for every individual. Put simply, Serco is a place you can count on. We embody a holistic approach to wellbeing and offer our employees a suite of benefits that enable you to achieve your physical, emotional, financial, social, community and career goals.
Serco is a place where you can make a difference because every contribution matters. So while your place at Serco may vary depending on your role, we know you will find your place here. You are invited to come discover your place in our world.

Serco Group plc

Senior Engineer (Int'l) Wright Pat AFB

Articulate knowledge, discoveries, designs, etc rapidly and concisely in written detailed designs, test plans and test cases, implementation plans, operational guides, and training guides under project management time and cost-constrained deadlines. Requirements: Bachelor’s degree and 5+ years of experience with Systems Administration/Virtualization (additional education, training, certifications, or work experience can be substituted in lieu of degree).

Citrix Software Virtualization Engineer

If you have strong communication and organizational skills, are self-motivated, and can work well both independently and as part of a team, complete the online application process for this job posting at www.meadhunt.com/careers . Responsibilities: Mead & Hunt, Inc., a nationally recognized professional services consulting firm, has a position available for an entry-level mechanical engineer with our Food & Beverage group in our Fenton, MO office location.

Mead & Hunt

Entry-Level Mechanical Engineer - Food & Beverage

[AW]-iCims

We will also consider entry-level candidates with a relevant four-year degree, such as Construction Management, Mechanical Engineering, or a related field, if they have strong internship, co-op, field, or project exposure. This is an in-office / on-site role based in Troy, Illinois , with local travel to project sites, job walks, and customer or project meetings across the Metro East and Greater St. Louis market.

Airco Service Company

Project Engineer Mechanical Construction

Linux SIEM System Engineer

You'll be responsible for performing preventative maintenance and routine repairs on building mechanical, electrical, HVAC, plumbing, life safety, fire protection, and security systems, ensuring they operate safely and efficiently. Solid working knowledge of HVAC systems and maintenance, electrical, plumbing, energy management systems, and other building mechanical equipment.

Colliers International

Building Engineer

By partnering with stakeholders, the Process Engineer collaborates to build technically sound strategies around business improvement opportunities, safety enhancements and sustainability while reducing cost and maximizing profitability. Refinery facilities include crude distilling, naphtha reforming, fluid catalytic cracking, alkylation, hydrocracking, hydrodesulfurization and delayed coking units.

Engineer I, Process, Wood River Refinery

FULL_TIME

Overview: Apogee has an exciting new opportunity for a Senior Voice Engineer to provide support for the Executive Airlift Communications Network (EACN) support task order, which provides Command, Control, Communications (C3) services for multiple critical U.S. Government missions via multiple Air to Global Information Grid (GIG) Gateways (A2G2’s) supported by a Systems Integration Lab (SIL). Responsibilities: Provide Voice Engineer Tier 3 support to Senior Leader Command, Control, Communications Systems-Airborne (SLC3S-A) Operations, Mobility Air Forces (MAF) Operations, Air Force Global Strike Command’s (AFGSC) E-4B aircraft, also known as the National Airborne Operations Center (NAOC), and U.S. Navy E-6B Mercury aircraft.

Apogee Engineering, LLC

Senior Voice Engineer

You will gain hands-on experience supporting both laboratory and shipside environments, with opportunities to grow your skills in advanced manufacturing processes, project management, and cross-functional coordination. As a Manufacturing Engineer 3, you will drive the successful fabrication, assembly, and installation of complex hardware by collaborating with cross-functional teams and leveraging your technical expertise.

Customer Engineer Jobs in St. Louis, MO

Senior Engineer, Layout Design SiTime Corporation

Senior Software Engineer - Mobile CFS

System Engineer Exegy

Technical Operations Engineer 3 Oracle

Project Engineer - Machining Services MD&A

Project Engineer - Generator Division MD&A

Senior PostgreSQL Database Engineer D2 Technical Services

Operations Engineer III Gulfstream Aerospace Corporation

Quality Management System Engineer II Watlow Controls

Cyber Data Analysis Engineer 718 Freedom Technology Solutions Group

Sr Engineer, Fixed Equipment, Wood River Refinery Phillips 66

Senior Engineer (Int'l) Wright Pat AFB Serco Group plc

Citrix Software Virtualization Engineer D2 Technical Services

Entry-Level Mechanical Engineer - Food & Beverage Mead & Hunt

Project Engineer Mechanical Construction Airco Service Company

Linux SIEM System Engineer D2 Technical Services

Building Engineer Colliers International

Engineer I, Process, Wood River Refinery Phillips 66

Senior Voice Engineer Apogee Engineering, LLC

Manufacturing Engineer 3 Indotronix International Corporation

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