Senior Electrical Engineer Roeslein & AssociatesSenior Electrical EngineerSt Louis, MissouriFull timeThis role serves as a technical resource for electrical engineering activities, provides quality control support for engineering deliverables, and leads electrical design efforts from concept through installation and startup. Overview: Roeslein & Associates is a global leader in engineering, manufacturing, and construction services, specializing in modular, pre-fabricated solutions for the energy, beverage, and industrial sectors.
Senior Project Engineer, Steel Procurement ClaycoSenior Project Engineer, Steel ProcurementSt. Louis, MOWith $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 Senior Project Engineer – Steel Procurement is an advanced, on-site leadership role responsible for overseeing and executing steel procurement logistics, delivery coordination, and material verification across complex or large-scale projects.
Lead, Kubernetes Platform Engineer MasterCardLead, Kubernetes Platform EngineerO'fallon, MO$122,000–$207,000 / yearAll activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and. This role is responsible for designing, building, and operating cloud-native platform capabilities across Amazon EKS and Azure AKS while enabling secure, scalable, and resilient application delivery at global scale.
Lead Firewall Engineer CACI International IncLead Firewall EngineerArnold, MO$90,300–$189,600 / yearPay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Experience in reviewing, validating, and implementing requirements within enterprise Change Requests (CRQs) and determining impacts to network and cyber operations across the enterprise.
Mechanical Engineer - Mission Critical Clayco IncMechanical Engineer - Mission CriticalSt. Louis, MOWith $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. Working alongside a Senior Mechanical Engineer on each project, this mid-level role is responsible for producing detailed mechanical designs, performing analyses, and coordinating with multi-disciplinary teams to deliver infrastructure that meets demanding uptime and efficiency requirements in a fast-paced environment.
Mechanical Engineer Department of the ArmyMechanical EngineerScott AFB, IL$109,137–$141,880 / yearIn addition to meeting the basic requirement above, to qualify for this position you must also meet the qualification requirements listed below: Specialized Experience: One year of specialized experience which includes 1) evaluating and developing mechanical engineering solutions for the design and deployment of surface vehicles or oversized/overweight systems to ensure transportability and mission readiness; 2) independently conducting engineering analyses and feasibility studies to resolve complex technical challenges related to vehicle or system capability and performance; 3) determining the scope, requirements, and scheduling for mechanical engineering projects, including planning and coordinating assessments and studies; AND 4) maintaining liaison with internal and external organizations, representing the agency in technical meetings and working groups to facilitate successful project completion. FOREIGN EDUCATION: If you are using education completed in foreign colleges or universities to meet the qualification requirements, you must show the education credentials have been evaluated by a private organization that specializes in interpretation of foreign education programs and such education has been deemed equivalent to that gained in an accredited U.S. education program; or full credit has been given for the courses at a U.S. accredited college or university.
Security Engineer- Enterprise Platforms Dot Foods Inc.Security Engineer- Enterprise PlatformsChesterfield, MOFamiliarity with data loss prevention, data security posture management, cloud access security, secure web gateways, zero-trust access, vulnerability management, asset discovery, or digital-risk monitoring. You’ll support the configuration, integration, tuning, health, and effectiveness of controls across email, web, SaaS, network, browser, data, vulnerability, asset visibility, and external-threat security capabilities.
Systems Engineer Caleres IncSystems EngineerClayton, MOSharePoint Governance, Backup & Disaster Recovery: Administer SharePoint Online governance and lifecycle management using ShareGate, manage Microsoft 365 backup and recovery solutions including Veeam Backup for Microsoft 365, and maintain Semperis Active Directory resilience and disaster recovery solutions to ensure business continuity and cyber-recovery readiness. Identity & Access Management: Manage Microsoft Entra ID (Azure AD), Active Directory, Azure AD Connect, Single Sign-On (SSO), Enterprise Applications, Multi-Factor Authentication (MFA), Conditional Access Policies, and Self-Service Password Reset (SSPR) to deliver secure and seamless user access experiences.
IT Support Engineer I, Ops Tech Solutions (OTS) Amazon.com IncIT Support Engineer I, Ops Tech Solutions (OTS)Chesterfield, MOAs an IT Support Engineer I, you will use your knowledge and specialized skills to implement technical solutions and provide high quality support for computer hardware, operating systems, or enterprise application software across sites in a defined geographical area. Together, we take ownership for what we do - whether supporting IT infrastructure, developing new technology in-house, launching a new Amazon Operations facility, or delighting our customers by delivering packages directly to them.
Senior AI Platform Engineer (DevOps) Mastercard IncSenior AI Platform Engineer (DevOps)O'Fallon, MO$115,000–$184,000 / yearAll activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and. This team functions as an enterprise AI Platform Engineering organization, delivering, and operating shared AI capabilities that enable application teams to build AI-powered products at scale across public and private cloud environments.
Voice/Data Communications Engineer II Ho ChunkVoice/Data Communications Engineer IIScott Air Force Base, ILSupervisory Responsibility· None required for this positionCompetencies Network Installation (Cable) Experience (Inside and/or Outside Plant) Network (Cable) Termination and Splicing Experience (Fiber and/or Copper) Network (Cable) Maintenance & Inspection Experience (Inside and/or Outside Plant) Work Environment Outside environment and inside environment with some work in a professional office environment. One or more of the following certifications are required: DURALINE CTNS iNARTE IPEP NCTI RCDDSecurity Clearance Active Secret Security Clearance is required Executive Order 14043 COVID-19 Vaccination RequirementPursuant to Executive Order 14043, this position requires full vaccination against COVID-19 regardless of work location.
Senior Traffic Engineer Wilson & CompanySenior Traffic EngineerSaint Louis, MissouriProvide design oversight in producing roadway lighting, signing, pavement marking, traffic signals, and traffic management system designs; intersection designs; capacity and signal warrant analyses; and ITS systems. With employees across multiple offices in the Midwest, Southwest, Rocky Mountain, and Western regions in the United States, we bring people together to practice their craft, create value, and accomplish great things.
Voice/Data Communications Engineer I Ho ChunkVoice/Data Communications Engineer IScott Air Force Base, ILAll Native Group is looking for a Voice/Data Communications Engineer I provide technical direction and engineering knowledge for communications activities including planning, designing, developing, testing, installing, and maintaining large communications networks. Network Installation (Cable) Experience (Inside and/or Outside Plant)Network (Cable) Termination and Splicing Experience (Fiber and/or Copper)Network (Cable) Maintenance & Inspection Experience (Inside and/or Outside Plant).
Lead Postgresql Engineer MasterCardLead Postgresql EngineerO'fallon, MO$122,000–$207,000 / yearThe role partners closely with software engineers, architects, security teams, Site Reliability Engineers, and business stakeholders to deliver resilient database platforms while improving developer experience through automation, Infrastructure as Code, CI/CD enablement, and operational excellence. All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and.
Voice Data Communications Engineer III Ho ChunkVoice Data Communications Engineer IIIScott Air Force Base, ILSupervisory Responsibility· None required for this positionCompetencies Network Installation (Cable) Experience (Inside and/or Outside Plant) Network (Cable) Termination and Splicing Experience (Fiber and/or Copper) Network (Cable) Maintenance & Inspection Experience (Inside and/or Outside Plant) Work Environment Outside environment and inside environment with some work in a professional office environment. One or more of the following certifications are required: DURALINE CTNS iNARTE IPEP NCTI RCDDSecurity Clearance Active Secret Security Clearance is required Executive Order 14043 COVID-19 Vaccination RequirementPursuant to Executive Order 14043, this position requires full vaccination against COVID-19 regardless of work location.
Embedded Software Engineer Intern Leonardo DRS IncEmbedded Software Engineer InternBridgeton, MO$41,011–$53,315 / yearSeveral factors can influence the pay scale, including but not limited to: Federal contract labor categories and contract wage rates, collective bargaining agreements, geographic location, business considerations, scope, and responsibilities of the position, local or other applicable market conditions, and internal equity. Leonardo DRS Land Systems is seeking an Embedded Software Engineer Intern for Summer 2026 to help our Software Engineering (SW) team meet the technical performance requirements on complex system development programs.
Manufacturing Engineer Co-op Leonardo DRS IncManufacturing Engineer Co-opHigh Ridge, MOThe Leonardo DRS Naval Power Systems business is a trusted provider of innovative naval gas and hybrid power systems, control technology and support solutions for the U.S. Navy and navies around the world. And we understand there is more to life than work, and the importance of offering flexible work schedules with our 9/80 program, competitive vacation, health/emergency leave, paid parental leave, and community service hours.
Senior AI Engineer Mastercard IncSenior AI EngineerO'Fallon, MO$115,000–$184,000 / yearAll activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and. Master's degree with 2+ years of relevant experience, or Bachelor's degree with 5+ years of relevant experience, in Computer Science, Artificial Intelligence, Machine Learning, Data Science, Engineering, or a related field; equivalent practical experience will also be considered.
Field Service Engineer - Medical Imaging (Field: St Louis, MO) PhilipsField Service Engineer - Medical Imaging (Field: St Louis, MO)Saint Louis, MO$29–$45 / hourPerform all administrative duties within established Philips, State, and Federal regulatory requirements and timeframes including timesheets, service work orders, expense reports, Field Change Orders (FCO), preventative maintenance (PM), installation documents, site and service documentation, and other related paperwork. Your skills include the ability to understand and apply electronic, mechanical, and networking theory to install, diagnose, and repair equipment, including knowledge and use of all necessary tools and test equipment.
Electronic Sales Engineer - St. Louis, MO Or Kansas City, MO Allegion plcElectronic Sales Engineer - St. Louis, MO Or Kansas City, MOSaint Louis, MO$100,000–$176,000 / yearPrimary focus is on the support of end-users, integrated hardware dealers, and security integrators in the design and execution of project sales related to application of Allegion electronic access control portfolio. Additionally, Allegion is proud to be recognized with the 2026 Gallup Exceptional Workplace Award (GEWA) for the third consecutive year, earning distinction in both the employee engagement and strengths categories.