Performance Engineer Jobs in Hazelwood, MO
The Gund Company
St. Louis, MO
The Gund Company has an immediateopening at for a full-time Corporate Engineer – specializing in Material development and Chemical formulation supporting multiple facilities. The Corporate Engineer is a main technical resource for any chemical, mechanical, composite fabrication, and materials related issues.
Jobot
$95000 - $140000
St. Louis, MO
We are a consulting engineering firm focused on supporting large-scale, mission-critical infrastructure across the U.S. Our work centers on bringing complex electrical and mechanical systems online for environments where uptime, reliability, and performance are non-negotiable. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.
Jobot
$60000 - $85000
St. Louis, MO
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.
Jobot
$67000 - $100000
Fenton, MO
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Retrofits & Upgrades: Assist in modernizing hydraulic press controls, upgrading outdated PLCs, HMIs, motion controllers, and hydraulic servo systems for improved performance and automation.
Jobot
$80000 - $100000
St. Louis, MO
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. With deep roots in the Midwest construction community, we focus on building long-term partnerships—with clients, subcontractors, and our employees.
Jobot
$67000 - $100000
Fenton, MO
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Installation & Commissioning: Install and commission press systems at customer sites, ensuring proper operation and compliance with specifications.
Kforce Inc.
$150000 - $170000
Saint Louis, MO
Deep experience with AWS data services, including S3, Redshift, Aurora PostgreSQL, Glue, Lambda, Step Functions, Lake Formation, DataZone, Kinesis, MSK, and EMR. Familiarity with data orchestration and workflow tools such as Apache Airflow, Glue Workflows, and AWS Step Functions, including alerting and notifications.
Kforce Inc.
$45 - $55
Saint Louis, MO
Participates fully on assigned and adjunct teams, fosters a collaborative spirit, builds collaborative networks with internal staff and vendor representatives. Employee pay is based on factors like relevant education, qualifications, certifications, experience, skills, seniority, location, performance, union contract and business needs.
Colony Capital
$140000 - $180000
St. Louis, MO
Blending deep expertise and expansive resources with a boutique, client-first fiduciary philosophy, Focus helps individuals, families, and institutions navigate complex financial situations with highly personalized solutions tailored to their unique needs. You will be deeply involved in the end-to-end ML lifecycle—from data ingestion and feature engineering to deployment, monitoring, and continuous improvement—playing a critical part in shaping our machine learning platform and capabilities.
Stifel
Saint Louis, MO
Strong understanding of AWS services related to data engineering, such as Amazon S3, Amazon Redshift, Amazon Aurora Postgres, AWS Glue, AWS Lambda, AWS Step Function, AWS Lake Formation, Amazon Data Zone, Amazon Kinesis, MSK, and Amazon EMR. Stifel is home to approximately 9,000 individuals who are currently building their careers as financial advisors, research analysts, project managers, marketing specialists, developers, bankers, operations associates, among hundreds more.
Kforce Inc.
$60 - $80
Saint Louis, MO
Employee pay is based on factors like relevant education, qualifications, certifications, experience, skills, seniority, location, performance, union contract and business needs. Summary: The Process Control Engineer will be tasked with developing and maintaining hardware and software of systems, as well as communicate to real-time applications, models and databases.
Stifel
Saint Louis, MO
Stifel is home to approximately 9,000 individuals who are currently building their careers as financial advisors, research analysts, project managers, marketing specialists, developers, bankers, operations associates, among hundreds more. Built on a simple premise of safeguarding our clients’ money as if it were our own, coined by our namesake, Herman Stifel, our success is intimately tied to our commitment to helping families, companies, and municipalities find their own success.
Kforce Inc.
$70 - $80
Saint Louis, MO
Preferred Qualifications: Experience implementing incrementality approaches (e.g., pre/post with controls, matched-market style controls, regression-based lift, hierarchical rollups). Employee pay is based on factors like relevant education, qualifications, certifications, experience, skills, seniority, location, performance, union contract and business needs.
Kforce Inc.
$46.75 - $63.25
Saint Louis, MO
This is a high-impact, cross-functional role responsible for identifying revenue and operational bottlenecks and solving them with AI - whether that means building autonomous agents, automating end-to-end workflows, or deploying intelligent solutions across our GTM tech stack. In this role, you'll work closely with Sales, Marketing, Customer Success, Enablement, and RevOps to understand where friction lives and engineer AI-powered solutions that eliminate it at scale.
Tech Mahindra Limited
St Louis, MO
This role is hands‑on and focused on rewriting and re‑architecting existing systems using modern Java, Spring Boot, and cloud‑native patterns on AWS. We are looking for a staff‑level software engineer / architect to lead the modernization of a largescale, mission‑critical Java platform.
LanceSoft Inc
Berkeley, MO
This job is with Encode, Inc a fully owned subsidiary of Lancesoft Position Responsibilities: • Develops and maintains relationships and partnerships with customers, stakeholders, and peers • Provide technical guidance and mentorship to junior engineers, fostering a culture of continuous learning and improvement • Provides oversight and approval of technical approaches, products and processes • Leads work with customers to develop and document electronic and electrical system requirements on complex projects • Leads analysis and translation of complex requirements into system architecture, hardware and software designs and interface specifications • Leads testing and validation work on complex system designs to assure that operational and functional requirements are met • Manages performance of critical suppliers to ensure system integration and compliance with requirements • Assigns responsibility for activities to team members and ensures technical correctness and consistency of products and services • Leads research into technology advances for potential application to company business needs Required Qualifications: (Required Skills/Experience): • Bachelor of Science degree or higher from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science • 9+ years of systems engineering experience involving: system requirements, functional decomposition and allocation, integrated design, analysis and evaluation, verification • 9+ years of experience with Avionics Hardware & Software development, design, production and project management • 9+ years of experience in process development and qualification, physical and functional integration and installation design and resolving supplier technical issues • 9+ years of experience with Hardware and LRU development, test and qualification. Preferred Qualifications: (Desired Skills/Experience): • 10 or more years' related work experience or an equivalent combination of education and experience • Experience with Advanced Cockpit Displays: Heads Up Display (HUD), Up Front Control Display (UFCD), Large Area Displays (LAD), and mission systems avionics equipment • Active U.S. Secret Security Clearance strongly preferred • Previous experience in the defense or aerospace industry • Experience with commercial and military avionics systems • Experience working with suppliers and supply chain management • Proposal development experience Bachelor of Science degree or higher from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science
The Structures Company, LLC
Hazelwood, MO
Bachelors degree with 9+ years, Masters with 7+ years, or PhD with 4+ years of experience from an accredited program in Engineering, Computer Science, Mathematics, Physics, or Chemistry. As trusted partners to major aerospace OEMs and Tier 1 suppliers, we connect professionals with opportunities to grow and excel in the aviation and aerospace industries.
The Structures Company, LLC
Berkeley, MO
As trusted partners to major aerospace OEMs and Tier 1 suppliers, we connect professionals with opportunities to grow and excel in the aviation and aerospace industries. Bachelor of Science or higher in Engineering, Engineering Technology, Chemistry, Physics, Mathematics, Data Science, or Computer Science.
Artech LLC
$90 - $100
Hazelwood, MO
Education/experience typically acquired through advanced technical education from an accredited course of study in engineering, computer science, mathematics, physics, or chemistry (e.g., Bachelor) and typically 14 or more years' related work experience or an equivalent combination of technical education and experience (e.g., PhD 9 years' related work experience, Master 12 years' related work experience). Develops and validates electromagnetic compatibility (EMC) and electromagnetic interference (EMI) requirements for various communication, sensor, electronic warfare, and other electromagnetic systems, subsystems, components, interconnects, and structures.
Artech LLC
$70 - $80
St Charles, MO
Experience with Model-Based Systems Engineering (MBSE) tools such as CAMEO or similar Systems Modeling Language (SysML)-compatible tool for systems architecture and model development. Bachelor of Science degree from an accredited course of study in engineering, engineering technology, chemistry, physics, mathematics, data science, or computer science.
Cogent Infotech Corporation
St. Louis, MO
Equipment, Machinery, Tools and Materials Use: Requires the ability to operate, calibrate, tune and synchronize, and perform complex rapid adjustment on equipment, machinery and tools such as computer terminal, printers, plotter, computer-aided design applications, motor vehicle, surveying instruments, telephone and common hand tools and/or related materials used in performing essential functions. Sensory Requirements: Requires the ability to recognize and identify degrees of similarities or differences between characteristics of colors and shapes to read color-code drawings/maps and clearly distinguish objects, sounds to communicate with others, and textures to determine appropriate construction materials used in projects.
Apollo Professional Solutions
Saint Charles, MO
Basic Qualifications (Required Skills/Experience): Bachelor of Science degree from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science. Provides the Engineering leadership to a team representing multiple skill areas, which may include internal and external resources and customers.
JBW Federal
Scott AFB, IL
The Service Engineer works closely with project managers, cross-functional teams, and leadership to deliver value and achieve business objectives. This role manages stakeholder expectations, mitigates risks, and ensures successful delivery of project outcomes.
Code Consultants
St. Louis, MO
CCI's experienced and trained team of over 100 professionals located in our Chicago, Los Angeles, St. Louis and New York offices consist of fire protection engineers, architects, civil/mechanical/electrical engineers, former code officials and members of the fire service. As a privately held firm, CCI's management team is fully responsible for the strategic direction of the firm and successfully manages growth by maintaining a stable organizational structure, consistent professional product across our offices, and applying objective performance-based compensation.
Code Consultants
St. Louis, MO
CCI's experienced and trained team of over 100 professionals located in our Chicago, Los Angeles, St. Louis and New York offices consist of fire protection engineers, architects, civil/mechanical/electrical engineers, former code officials and members of the fire service. As a privately held firm, CCI's management team is fully responsible for the strategic direction of the firm and successfully manages growth by maintaining a stable organizational structure, consistent professional product across our offices, and applying objective performance-based compensation.
Computer Information Concepts
$130000 - $170000
St. Louis, MO
You will work in a tight loop with our Product Design Lead and platform/backend engineering to deliver clear, reliable user experiences for complex government workflows (forms, approvals, permissions, and data-heavy screens). As a Senior Software Engineer (Frontend), you will lead frontend delivery in our Modernization lane - building workflow-heavy React + TypeScript applications and establishing the patterns that keep the codebase consistent and approachable as we scale.
Deloitte
$130800 - $241000
St. Louis, MO
At Deloitte, Forward Deployed Engineers (FDE) don't just build AI solutions, they help clients turn AI ambition into enterprise-scale impact, pairing leading class engineering with pod-based delivery and vertical expertise. + Drive end-to-end sales and delivery support by developing demos/POCs, contributing to proposals and orals, articulating business value, and documenting solutions for smooth client handoff and knowledge transfer.
Deloitte
$113100 - $208300
St. Louis, MO
At Deloitte, Forward Deployed Engineers (FDE) don't just build AI solutions, they help clients turn AI ambition into enterprise-scale impact, pairing leading class engineering with pod-based delivery and vertical expertise. This requires a highly motivated practitioner who moves with speed and precision, building working software, engaging confidently with senior stakeholders and engineers to bring measurable business impact from day one.
Deloitte
$130800 - $241000
St. Louis, MO
At Deloitte, Forward Deployed Engineers (FDE) don't just build AI solutions, they help clients turn AI ambition into enterprise-scale impact, pairing leading class engineering with pod-based delivery and vertical expertise. + Drive end-to-end sales and delivery support by developing demos/POCs, contributing to proposals and orals, articulating business value, and documenting solutions for smooth client handoff and knowledge transfer.
Voltyx
Maryland Heights, Missouri
Guide the Engineering team in the execution of engineering activities such as: Physical substation design, including yard layouts, plans, sections and details, grounding, lightning protection, control building arrangements, interior and exterior raceways, auxiliary AC/DC power systems, and associated bills of material. They will work and lead multi-disciplined project teams to create industry-leading designs for new projects, alterations, and redevelopments on various projects, including distribution, generation, institutional, industrial, and manufacturing facilities.
Clayco
St. Louis, MO
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. Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across North America the highest quality solutions on time, on budget, and above and beyond expectations.
Eliassen Group
$67 - $77
St. Louis, MO
Provide technical thought leadership and collaborate with software developers, data engineers, database architects, data analysts, and data scientists on projects to ensure data delivery and align data processing architecture and services across multiple ongoing projects. Responsibilities:Develop, enhance, and troubleshoot complex data engineering, data Visualization and data integration capabilities using python, R, lambda, Glue, Redshift, EMR, QuickSight, SageMaker and related AWS data processing, Visualization services.
C3EL
Scott AFB, IL
Education: A Technical Expert should have: A bachelor's degree plus 3 years of recent specialized experience, OR; An associate's degree plus 7 years of recent specialized experience, OR; A major certification plus 7 years of recent specialized experience, OR; 11 years of recent specialized experience. Knowledge of data and voice network design carried over various transmissions systems, router to router connections using military and commercial protocols such as BGP and ISIS, switch-to-switch trunking to include VLANS, and circuit configurations through multiplexers.
Amyx, Inc.
O'Fallon, Illinois
Engineering documentation: draft and maintain compliance, architecture, and sustainability documentation; support milestone reviews; develop technical performance measures and planning documents. Employee needs to be able to sit at a workstation for extended periods; use hand(s) to handle or feel objects, tools, or controls; reach with hands and arms; talk and hear.
North Point Technology
St. Louis, MO
We focus on long term projects, leveraging the latest technology in support of innovative solutions to solve our customer's most difficult problems. North Point Technology is THE BEST place to work for curious-minded engineers motivated to support our country's most crucial missions!
The Newberry Group
Saint Charles, MO
This includes medical coverage with three plan options, dental and vision coverage, personal time off, paid holidays, paid parental leave, telecommuting if available, retirement savings accounts (Pre-Tax and Roth), flexible and dependent care savings accounts, life insurance, long and short-term disability coverage, tuition and training reimbursement, employee assistance program, and more. We are seeking an experienced Senior Legacy Systems Engineer to support, maintain, and enhance mission critical legacy applications supporting the Application Sustainment and Production Support Operations team within the Rural Development mission area at the Department of Agriculture (USDA).
Navitus Health Solutions, LLC
Earth City, Missouri
Founded with the goal of transforming the PBM industry to provide the necessary ingredients for the sustainability of the prescription drug benefit – alignment, value and transparency – Archimedes achieves superior results for clients by eliminating tightly held PBM conflicts of interest including drug spread, rebate retention and pharmacy ownership and delivering the most rigorous clinical management at the lowest net cost. The Data Engineer collaborates with data scientists, analysts, software developers, and business stakeholders to deliver robust ETL solutions, optimize data storage and retrieval, and implement secure, compliant data architectures in cloud and hybrid environments.
OBXtek Inc.
Scott AFB, IL
Prepares detailed specifications from which cybersecurity deficiencies identified during risk assessment will be mitigated/remediated and conducts follow-up risk assessment to ensure proper secure coding practices are being built-in/enforced to the greatest extent possible. 1-3 years relevant experience in the following: Experience reviewing vulnerability scans using SAST (Static Application Security Testing) tools, analyze outputs to identify vulnerabilities, and recommend mitigation and remediation actions.
Patriot Software
$155000 - $170000
St. Louis, MO
Configure and manage Cloudflare to support edge security (including WAF, DDoS protection, and rate limiting), optimize CDN performance and caching strategies, and handle DNS and traffic management. This is a hands-on role where you'll own critical platform components (including cloud networking), reduce operational risk and toil, and help set technical direction.
Kandu, Inc.
St Louis, MO
You will work across a full-stack desktop-driven ecosystem — including APIs, SQL, Azure infrastructure, and CI/CD pipelines — while driving code quality, scalability, and architectural consistency. Kandu, Inc. considers factors such as scope and responsibilities of the position, candidate’s work experience, education/training, key skills and internal parity, as well as location, market and business considerations when extending an offer.
Chenega Corporation
Arnold, MO
The Application Support Engineer will be part of an integrated Operations & Sustainment team providing critical 24x7 mission support to our customer and will interface with engineering resources located at other facilities, and is responsible for the day-to-day operation of the customer application and monitoring/investigation of segment interfaces. Ability to provide rotating site support (24x7) to ensure system issues are identified and resolved, minimizing operational impacts - shift work is required in a high-paced environment.
Chenega Corporation
O'Fallon, IL
Chenega Agile Real-Time Solutions (CARS) is seeking a Test and Evaluation Engineer to analyze system requirements and concepts of operations documents, acquisition plans, and system descriptions to develop an evaluation and test plan and procedures, prepare for and conduct the data collection and analysis, and report status and results. Supports the development of Government test and evaluation documentation, e.g., Test & Evaluation Strategy, Test & Evaluation Master Plan, Event Test Plans, Test Readiness Assessments, and T&E Reports.
Crafted Staff
$120000 - $150000
St. Louis, MO
Join a respected, employee-owned engineering firm where your electrical expertise directly influences complex, high-performance building systems across healthcare, institutional, and commercial environments. This is a leadership-level design role for an experienced Electrical or MEP Engineer who thrives on technical depth, client interaction, and mentoring junior engineers.
Gonzalez Companies
St. Louis, Missouri
Serve as the primary point of contact for key programmatic clients, building long-term partnerships and ensuring consistent, high-quality service across multiple projects. Actively engage in technical site/civil engineering tasks—including grading, drainage, utilities, and site development—while guiding project teams to successful delivery.
Astec Industries
Saint Louis, MO
Shop manufacturing environment exposures include exposure to moving mechanical parts, machinery, tools and equipment, vibration, fumes or airborne particles, motorized vehicles, welding and machining operations, outside weather conditions and exposure to the risk of electric shock. · Maintain positive, collaborative working relationships by engaging with various personalities including customers, vendors, co-workers, and management while working both individually and as part of a team.
Clayco
St. Louis, MO
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. The Process Engineer works closely with clients, process architects, utilities engineers, mechanical engineers, and construction teams to translate manufacturing processes into clear, coordinated design solutions.
Clayco
St. Louis, MO
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. LJC is seeking a Mechanical / HVAC Lead Engineer to provide technical leadership in the planning, design, and delivery of building mechanical systems for life sciences manufacturing facilities, including pharmaceutical and biotechnology production environments.
Clayco
St. Louis, MO
The Critical Utilities Lead Engineer plays a key role in early project definition, system strategy development, and multidisciplinary coordination, working closely with process engineers, mechanical engineers, architects, and construction teams. Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across North America the highest quality solutions on time, on budget, and above and beyond expectations.
Midas Hospitality
$20 - $24
Wentzville, MO
Your day-to-day tasks will include managing and coordinating repair and maintenance schedules, ensuring that all systems, from HVAC to plumbing, are functioning optimally. A solid understanding of building systems, including HVAC, electrical, and plumbing, is necessary to ensure all aspects of hotel maintenance operate smoothly.
Clayco
St. Louis, MO
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. Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across North America the highest quality solutions on time, on budget, and above and beyond expectations.