Systems Integration Testing Engineer PeratonSystems Integration Testing EngineerSt Louis, Missouri$112,000–$179,000 / yearFull timeQualifications: Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan. They will work with a team of image scientists, image analysts, photogrammetrists, and statisticians to perform specific tasks, track issues, and clearly communicate status and results to multiple stakeholders.
Senior Platform Engineer CACI International Inc.Senior Platform EngineerSaint Louis, MO$98,500–$206,800 / 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. The Opportunity: Join a fast-paced Agile team delivering mission-critical geospatial intelligence (GEOINT) capabilities supporting the National Geospatial-Intelligence Agency (NGA).
Senior Systems Engineer CACI International Inc.Senior Systems EngineerSaint Louis, MO$82,100–$172,400 / 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. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.
Network/Satcom Engineer CACI International Inc.Network/Satcom EngineerSaint Louis, MO$75,200–$158,100 / yearThe OpportunityTeam CACI has an exciting and challenging opportunity available for a Network Engineer supporting an Intelligence Community customer's wide-area (WAN), local-area (LAN) and campus-area (CAN) networks across multiple security domains. Pay 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.
NewR -6B1BI3-Design and Analysis Engineer 3 - 664-Electronic Sys Design & Analy SearchProsR -6B1BI3-Design and Analysis Engineer 3 - 664-Electronic Sys Design & AnalyBerkeley, MO$62–$72 / hourAt client, our Electrical Engineers develop and test electronic and electrical system requirements using analytical and technical skills, translate requirements into system architectures and modify hardware and software designs for Boeing aircraft, unmanned vehicles and much more. Precision Engagement Systems (PES) including Direct Attack weapons (JDAM, SDB, MOP, HAAWC and associated derivatives) and Cruise Missiles (SLAM ER, Harpoon and development weapons).
Staff Software Engineer / Architect Java Modernization (AWS / Kubernetes) Yantran LLCStaff Software Engineer / Architect Java Modernization (AWS / Kubernetes)OFALLON, MOPosition Title: Staff Software Engineer / Architect – Java Modernization (AWS / Kubernetes). to lead the modernization of a largescale, mission critical Java platform.
Data Engineer Software Developer Leidos Holdings IncData Engineer Software DeveloperShiloh, IL$87,100–$157,450 / yearYou will an integral member of a fast paced, Agile development and implementation team to architect, design and develop data integration solutions (Extract, Transform, Load) to support a unified User Experience / User Interface (UX/UI) that provides a holistic single-pane-of-glass interface for an integrated solution on the Elastic platform. As a key Real-Time Visibility team member, you will be conducting design and implementation for a variety of solution capabilities to integrating various data sources into Confluent (Kafka) and Elastic platforms, design of robust data integration solutions, and adhering to the program's CI/CD processes and data governance practices.
Software Engineer III Agile DefenseSoftware Engineer IIISt Louis, MissouriRequisition #: 1520 Job Tittle: Software Engineer III Location: St. Louis, MO Clearance: Secret Required Certification: CompTIA Security+ certification or a degree in Computer Science Job Description. Success is not achieved alone, humility ensures a culture of mutual respect, encouraging open communication, and a willingness to learn from one another and take on any task.
Backend Software Engineer Leidos Holdings IncBackend Software EngineerSt. Louis, MO$107,900–$195,050 / yearIf you've spent the last few years building your expertise in backend engineering, Java or Python development, and mission‑driven systems, and you're ready for work that actually moves the needle, this is the kind of opportunity cleared engineers pursue when they want real impact. For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Software Developer II - Meter Data Management Software Full Stack, Databricks Affinegy Inc. (Inactive)Software Developer II - Meter Data Management Software Full Stack, DatabricksILOur Members have over 18 million end customers (residential and businesses who receive power, internet, television and/or telephone services) that our enterprise software solution enables our Members to compete effectively in the industry, while excelling in customer service. This position would be on our Meter Data Management Software Development team, which is NISC''s solution for data storage and analytics that enhances customer service and provides engineering analysis using Advanced Metering Infrastructure (AMI) data.
Software Developer II - Connect Service Software Front End, Angular Affinegy Inc. (Inactive)Software Developer II - Connect Service Software Front End, AngularILThis position would be on our iVUE Connect Utility Customer Care & Billing Software Development team, which is NISC''s solution providing functionality to dynamic pricing options and help utility companies provide enhanced customer service to their Members (customers). Key Words: Angular | TypeScript | Automated Testing | Java | Spring Boot | Agentic AI | AWS Cloud | SQL | Postgres | Kubernetes | Microservices | Agile | Scrum | Database | SDLC | Cross Functional.
Developer Support Engineer InterSystemsDeveloper Support EngineerJapan, MOOur data platforms solve interoperability, speed, and scalability problems for large organizations around the globe to unlock the power of data and allow people to perceive data in imaginative ways. The Developer Support Engineer is responsible for supporting InterSystems IRIS Data Platform-an integrated platform for high-speed data processing and analytics with interoperability-as well as its related products.
Web Software Developer Science Applications International CorpWeb Software DeveloperIL$120,001–$160,000 / yearThe USTC Managed Information Technology Services (MITS) contract is intended to provide strategic, technical, and program management guidance and support services to facilitate the operations and modernization of the combatant command's infrastructure, systems, and applications. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services.
AWS GovCloud Engineer Science Applications International CorpAWS GovCloud EngineerIL$80,001–$120,000 / yearThe USTC Managed Information Technology Services (MITS) contract is intended to provide strategic, technical, and program management guidance and support services to facilitate the operations and modernization of the combatant command's infrastructure, systems, and applications. Responsiblities: Architect & Implement AWS GovCloud solutions emphasizing security, scalability, resiliency; core services include ECS Fargate, EKS, ECR; apply blue/green and other zero‑downtime deployment patterns.
Software Engineering Manager - Small Business Technologies H&R Block IncSoftware Engineering Manager - Small Business TechnologiesMO$125,500–$200,800 / yearAs a Software Engineering Manager, you'll be responsible for building and developing a high-performing engineering team while partnering closely with Product, Architecture, and business stakeholders to deliver innovative software solutions. We're growing our technology organization and looking for a Software Engineering Manager to lead a team of engineers delivering modern, scalable solutions that drive business and customer outcomes.
NewSenior Java Engineer IT.HR Recruitment AgencySenior Java EngineerSaint Louis, MissouriFor our client, a rapidly growing international consulting company specialising in software engineering, we are looking for an experienced Java Developer to join a team delivering large-scale and business-critical projects. Collaborate closely with engineers, product owners, and stakeholders to design and build scalable, distributed solutions that deliver excellent user experiences.
AppSec Engineer CACIAppSec EngineerO'fallon, IllinoisPay 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. In this role, you will shape and elevate AppSec across a complex, modern application ecosystem—leading testing operations, influencing secure development practices, and mentoring the next generation of security engineers.
Mid-Level Test Engineer Leidos Holdings IncMid-Level Test EngineerSt. Louis, MO$87,100–$157,450 / yearThis is an opportunity to work alongside talented engineers, software developers, product managers, and mission experts to build innovative geospatial intelligence capabilities that enable critical national security missions. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Onsite Devops Engineer (Linux Admin Focus) Object ComputingOnsite Devops Engineer (Linux Admin Focus)Saint Louis, MOCloud Computing: Practical experience with at least one major cloud provider (AWS, Azure, or GCP), including a solid understanding of compute, storage, networking, and database services. What you will do: Infrastructure Management & Automation: Design, implement, and maintain scalable and secure Linux-based infrastructure using Infrastructure as Code (IaC) tools like Terraform or Ansible.
Lead Mechanical Engineer bioMerieux SALead Mechanical EngineerHazelwood, MO$120,000–$175,000 / yearDesign, model, create drawings, and release mechanical components using CAD/PDM tools (SolidWorks) including application of GD&T (in accordance with ASME Y14.5) and tolerance analysis to ensure robust performance, and adequate interfaces with other components/instruments. This lead engineer works primarily with the mechanical design aspects of consumables and reagents team, representing Systems Development in reagent design - generally under the leadership of a principal engineer or functional manager.
AI Native Engineer Yantran LLCAI Native EngineerOFALLON, MOThis role aligns with emerging AI native development models that emphasize agentic workflows, AI assisted coding, MCP enabled integrations, and rapid prototyping. Experience with: GitHub Copilot, Claude Code CLI, AI assisted development platforms, LLM integrations, Agentic systems, AI orchestration frameworks.
Civil or Mechanical Engineer - Entry Level Farnsworth Group IncCivil or Mechanical Engineer - Entry LevelSt. Louis, MOFor ten consecutive years, we've been certified as a Great Place to Work, and our engineers, architects, surveyors, and scientists channel their passion and expertise into making meaningful contributions to the world around us. Complete site visits including but not limited to surveying, locating, and documenting existing conditions (may include overnight travel depending on job location).
Senior Site/Civil Engineer GFT Infrastructure IncSenior Site/Civil EngineerSt. Louis, MORemote$125,000–$160,000 / yearOur projects involve the design of high voltage infrastructure to support the upgrading and expansion of the electrical grid including design of wind generation sites, photovoltaic generation sites, electrical substations, transmission lines, and battery storage facilities. Develop civil design packages including site plan preparation, grading plans and profiles, stormwater management design and calculations, SWPPP, erosion & sediment control, utility coordination, permitting, plan & specifications preparation, and other documents required for industrial power facility construction.
NewElectrical Project Engineer Farnsworth GroupElectrical Project EngineerSaint Louis, MOIn this role you will provide senior technical leadership, coordinate with clients and multidisciplinary teams, and mentor junior engineers while ensuring high-quality delivery across multiple concurrent assignments. Louis, MO.What You'll DoLead electrical system design for building projects, including service distribution, normal and emergency power, lighting, lighting controls, and related support systems.
Civil Engineer - Utilities Farnsworth Group IncCivil Engineer - UtilitiesSt. Louis, MOAbility to lead multiple projects simultaneously and coordinate efforts with support groups ensuring a quality, on-time product for our clients, and financially successful projects. For ten consecutive years, we've been certified as a Great Place to Work, and our engineers, architects, surveyors, and scientists channel their passion and expertise into making meaningful contributions to the world around us.
NewResident Engineer I GFT Infrastructure IncResident Engineer ISt. Louis, MO$87,000–$125,000 / yearThis role will serve as a daily point of contact with clients and contractors and manage all aspects of a project including construction observations, material testing and maintaining documentation. We measure our success by the strength of our relationships - that's why we're the employer of choice for 5,000+ of the industry's brightest engineers, planners, architects, inspectors, designers, and more.
Mid-Level SQL Engineer Leidos Holdings IncMid-Level SQL EngineerSt. Louis, MO$87,100–$157,450 / yearFor U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
NewCloud Engineer Leidos Holdings IncCloud EngineerSt. Louis, MO$87,100–$157,450 / yearRequires BS degree and & 5+ years' experience consulting, designing and implementing distributed solutions and 3+ years' experience with cloud-based solutions (Cloud, SOA, Web-Services) including virtualization environment, network and operating system experience OR 4 years of additional experience in lieu of degree. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Electrical Engineer - Distribution Design Hanson Professional Services IncElectrical Engineer - Distribution DesignSt. Louis, MO$147,000–$175,000 / yearThe successful candidate will bring technical depth, leadership capability, and hands-on experience supporting transmission and distribution (T&D) utilities, municipal power providers, or utility engineering consultants. This senior-level role is ideal for a Professional Engineer with strong experience in utility distribution systems, including overhead and underground distribution, system upgrades, reliability improvements, and customer-driven projects.
NewSr Mechanical Engineer, PE Alivia GroupSr Mechanical Engineer, PESaint Louis, MissouriSenior Mechanical Engineer develops conceptual through final designs and prepares calculations to verify workability of mechanical details; uses CAD and 3D modeling (Revit or similar) software to produce accurate, construction drawings. Design for materials handling, conveyor systems, crushing and screening system, dust collection, control systems, chute, duct, piping systems and equipment layouts in a heavy industrial environment.
Electrical Engineer - Substation Design Hanson Professional Services IncElectrical Engineer - Substation DesignSt. Louis, MO$147,000–$175,000 / yearThis senior-level role is ideal for a licensed Professional Engineer with extensive experience in high-voltage substations, including physical layout, protection and control coordination, and interdisciplinary design integration. Hanson Professional Services Inc. is seeking an experienced Electrical Engineer specializing in Substation Design to support power delivery projects for utility, municipal, and industrial clients.
NewStaff Engineer II HR GreenStaff Engineer IISaint Louis, MOWhat You Will Be DoingSupport the planning, design, and delivery of roadway, highway, and intersection improvement projectsAssist in preparing roadway plans, specifications, and technical reportsSupport storm sewer, culvert, and drainage infrastructure design for transportation projectsPerform hydrologic and hydraulic analyses to evaluate drainage systems and develop infrastructure solutionsAssist with environmental permitting and regulatory compliance activitiesConduct field investigations and support construction-phase activitiesCommunicate with project teams, clients, contractors, and regulatory agenciesCollaborate with engineers across multiple disciplines to deliver successful projectsYou Might Be a Great Fit IfYou are eager to continue developing your technical skills and expanding your project experienceYou enjoy solving problems and seeing how your work impacts communitiesYou value mentorship and learning from experienced engineersYou enjoy collaborating with multidisciplinary teamsYou are looking for a company that offers long‑term career growth and leadership opportunitiesWhat You BringBachelor's or Master's degree in Civil Engineering from an accredited universityEngineer‑in‑Training (EIT) certification or the ability to obtain within six months4 years of civil engineering experience with roadway or drainage experience preferredExperience with Civil 3D, ArcGIS, OpenRoads Designer, or related engineering software is a plusStrong communication and collaboration skillsA desire to learn, grow, and take on increasing responsibilitiesWhy HR GreenFor more than 110 years, HR Green has partnered with clients and communities to deliver infrastructure solutions that improve lives. As a Staff Engineer II, you'll work alongside experienced engineers on a wide variety of transportation projects while gaining hands‑on experience and exposure to the full project lifecycle.
Traffic and Safety Civil Engineer III Crawford, Murphy and Tilly IncTraffic and Safety Civil Engineer IIIMO$70,500–$80,500 / yearAs a Surface Transportation Civil Engineer III, you'll play a key role in working with senior staff, to support a wide range of municipal infrastructure projects, working closely with experienced engineers and planners on highway projects, roadway expansion projects, roadway diet projects, multimodal projects, site development projects, and transportation planning projects. Applicants wishing to apply for an open position with CMT who require a reasonable accommodation in order to complete the application process may contact CMT's Human Resources Department at kallen@cmtengr.com to request assistance.
AI-Application Security Engineer StifelAI-Application Security EngineerSaint Louis, MOThe role requires strong hands-on technical depth in secure software development, application security testing, vulnerability management, and emerging AI security risks, including prompt injection, model abuse, insecure integrations, and data leakage. Implement, integrate, tune, and scale security tooling across application and AI environments, including runtime monitoring, governance controls, testing platforms, and posture management capabilities, with a focus on coverage, signal quality, and operational effectiveness.
NewManufacturing Engineer DEMA EngineeringManufacturing EngineerSaint Louis, MOYou'll partner closely with Operations, Quality, Engineering, and EHS - leading root cause investigations, process improvement projects, and cross-functional initiatives that make a visible difference in how we build our products. DEMA Engineering Company is seeking a Manufacturing Engineer who is ready to dig into complex process challenges, lead meaningful Lean initiatives, and drive measurable improvements across our St.
NewAutomation Controls Engineer AFB InternationalAutomation Controls EngineerO'Fallon, MissouriAs part of Ensign-Bickford Industries, Inc. (EBI) , a privately-owned high-technology conglomerate, AFB International operates across multiple global locations, including the United States (global headquarters), Europe, Latin America, Mexico, Australia, and China. Our specialized palatants improve the flavor and nutritional value of pet foods, treats, and supplements, ensuring pets receive the essential nutrients they need.
Manufacturing Engineer Critical Fit RecruitingManufacturing EngineerSaint Louis, MissouriWe're looking for a Manufacturing Engineer to apply engineering principles to improve manufacturing efficiency, quality, and safety while supporting the production of critical defense components including electric and stab detonators, CAD/PAD systems, and other energetic assemblies. Bachelor's degree in Manufacturing Engineering, Mechanical Engineering, Industrial Engineering, Chemical Engineering, or related technical field.
Cloud DevOps Engineer CACICloud DevOps EngineerScott AFB, IllinoisPay 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. Understanding of cloud-native services, serverless architecture, and networking (VPC, subnets, firewalls, load balancers, service mesh).
Project Cost Engineer Clayco IncProject Cost EngineerSt. Louis, MOYou will be responsible for generating and maintaining reports that provide information to different groups, work with the management team to identify variances and risks, and maintain quality control processes to improve project cost procedures and ensure conformity with managements strategy. Review project documents and specifications to accurately identify, develop, and track requests for change orders, owner and subcontractor related baseline estimates, potential risk exposures, while communicating potential impacts to the financial targets, schedule, and overall project management process.
Senior Engineer OT Peabody Energy CorpSenior Engineer OTSt. Louis, MO$105,000–$129,000 / yearPeople are at the core of Peabodys ability to deliver business results & serve our communities & we offer an inclusive work environment that engages, recognizes, and develops it employees. Bachelor's degree from an accredited university in Process Control / Chemical / Computer /Software / Mechanical / Electrical Engineering, or a related technical background.
NewManufacturing Engineer - Distribution Center & Wire Plating Eaton Corporation PlcManufacturing Engineer - Distribution Center & Wire PlatingEllisville, MO$86,000–$126,000 / yearThis role partners closely with operations, maintenance, quality, and supply chain to drive process stability, implement continuous improvement initiatives, and support new product or equipment introductions. The Manufacturing Engineer - Distribution Center & Wire Plating is responsible for developing, optimizing, and sustaining manufacturing processes to improve safety, quality, cost, and productivity.
Electrical Engineer HydromatElectrical EngineerSt. Louis, MOFull timeOur mission is to create innovative and unique manufacturing solutions that provide high quality and cost-effective production capabilities for metalworking manufacturers. You enjoy resolving issues and providing solutions to the customer while working with a group of highly skilled individuals alongside impressive technology.
Customer Service Electrical Engineer HydromatCustomer Service Electrical EngineerSt. Louis, MOFull timeOur mission is to create innovative and unique manufacturing solutions that provide high quality and cost-effective production capabilities for metalworking manufacturers. You enjoy resolving issues and providing solutions to the customer while working with a group of highly skilled individuals alongside impressive technology.
Cyber Security Engineer - NSS Tools CACICyber Security Engineer - NSS ToolsSaint Louis, Missouri7+ years of related experience in SEIM, network operations, network engineering, leading technology teams, leading operation cybersecurity teams, or a combination thereof. Pay 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.
Security Engineer Hunter Engineering CompanySecurity EngineerBridgeton, MODesign, implement, manage, maintain, improve, and troubleshoot Hunter’s various security systems, including but not limited to Data Loss Prevention (DLP), SIEM and UEBA, endpoint protection, and data security/auditing platforms. Analyze and audit systems, software, processes, implementations, and environments for compliance with policies, regulations, and security best practices; and recommend and implement refinements and enhancements, in collaboration with individuals and teams.
NewData Engineer with Finance Domain Location : St Louis, MO ESRhealthcare and EXEC STAFF RECRUITERSData Engineer with Finance Domain Location : St Louis, MOSt Louis, MissouriFull-stack development experience, including, Databases (Oracle, Netezza, SQL Server), Hands-on experience with Hadoop, Python, Impala, etc, Excellent SQL skills, with experience working with large and complex data sources and capability of comprehending and writing complex queries. Data Engineer with Finance Domain Location: St Louis, MO (Onsite) F2F Interview Need Local to MO Only Job Description: Roles and Responsibilities: Work as a member of support team to resolve issues related to product, should have good troubleshooting skills and good knowledge in support work.
NewNetwork Engineer III CACINetwork Engineer IIISaint Louis, Missouri$75,200–$158,100 / yearJob Title: Network Engineer IIIJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * * The Opportunity: Team CACI has an exciting and challenging opportunity available for a Network Engineer who performs research, requirements analysis, design, installation, documentation, troubleshooting, and sustainment of local- and wide-area network hardware and services. Excellent writing and communication skills, including the ability to develop analytical documents and present oral presentations to senior/executive managementAn understanding of how to practice requirements engineering according to several hardware/software development life cycles in a team environment.
Lead Firewall Engineer CACILead Firewall EngineerArnold, Missouri$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. Network design, engineering, and implementation (Advanced Level)Creation of network related Rough Order Magnitude (ROM) equipment lists and costing, Level of Effort (LOE) estimation for labor .
Linux Support Engineer SuseLinux Support EngineerJapan, MOBy transforming community innovations into secure, sovereign and AI-ready solutions, SUSE empowers customers to escape vendor lock-in and regain control of their IT destiny. Troubleshoot challenging complex, critical, and sensitive customer issues related to: Installation errors, configuration errors, out of the box not working functionality, booting issues.
Lead - Data / AI Native Engineer Yantran LLCLead - Data / AI Native EngineerOFALLON, MOStrong experience in building enterprise grade data pipelines, modern Lakehouse architectures, AI enabled data products, and cloud native platforms leveraging Databricks, AWS EMR, Spark, PySpark, and AI native engineering tools such as GitHub Copilot and Claude Code. Leverage GitHub Copilot, Claude Code CLI, and AI assisted development tools to accelerate engineering productivity.