Service Engineer - Belleville, IL Pinnacle Technical ResourcesService Engineer - Belleville, ILBelleville, Illinois$35–$41 / hourContractorThe specific compensation for this position will be determined by several factors, including the scope, complexity, and location of the role, as well as the cost of labor in the market; the skills, education, training, credentials, and experience of the candidate; and other conditions of employment. This is a hands-on, customer-facing role focused on maintaining uptime, resolving complex hardware issues, and delivering outstanding on-site service.
Engineer IV, Client Products and Services Portfolio Edward Jones InvestmentsEngineer IV, Client Products and Services PortfolioSaint Louis, MOProvide guidance, training and mentorship to other associates, including performing code peer reviews, suggesting best practices and following SDLC processesTeam Overview: As an Engineer IV in the Client Products and Services Portfolio, this exciting opportunity will be responsible for applying business and technical knowledge to enhance, modernize and provide quality solutions for our Internal and External Transfers systems. Team Overview: As an Engineer IV in the Client Products and Services Portfolio, this exciting opportunity will be responsible for applying business and technical knowledge to enhance, modernize and provide quality solutions for our Internal and External Transfers systems.
Sr. Site Reliability Engineer - AWS Geospatial Technology EsriSr. Site Reliability Engineer - AWS Geospatial TechnologySt. Louis, MO$84,240–$142,480 / yearCompensation decisions and the base range for this role take into account many factors including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. We care about your career growth and strive to assign projects based on what will help each team member develop into a better-rounded engineer and enable them to take on more complex tasks in the future.
System Engineer - Cyber Security Engineering Focus EsriSystem Engineer - Cyber Security Engineering FocusSt. Louis, MO$120,640–$197,600 / yearYoull work closely with other system engineers, administrators, and program teams to ensure systems are built, assessed, and operated in compliance with DoD and NIST requirements. Compensation decisions and the base range for this role take into account many factors including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs.
System Engineer - ArcGIS EsriSystem Engineer - ArcGISSt. Louis, MO$120,640–$197,600 / yearDeploy and configure ArcGIS in a wide variety of environments across operation systems, cloud providers, security architectures, customer types and organizations, to meet the customers service level agreement. Experience with Esri software including ArcGIS Enterprise, ArcGIS Desktop, ArcGIS Online, Portal for ArcGIS and ArcGIS Runtime and their associates APIs or interfaces.
Sr. System Engineer - ArcGIS EsriSr. System Engineer - ArcGISSt. Louis, MO$156,000–$239,200 / yearDeploy and configure complex ArcGIS in a wide variety of environments across operation systems, cloud providers, security architectures, customer types and organizations, to meet the customers service level agreement. Experience with Esri software including ArcGIS Enterprise, ArcGIS Desktop, ArcGIS Online, Portal for ArcGIS and ArcGIS Runtime and their associates APIs or interfaces.
Senior DevOps Engineer LeidosSenior DevOps EngineerChesterfield, MO$107,900–$195,050The Leidos Spatial Solutions Division has an exciting opportunity for a senior DevOps Engineer to assist with the development, integration, deployment, and sustainment of mission critical systems that enable NGA's Geospatial Intelligence (GEOINT) mission collecting sciences, technology and tradecraft measuring and modeling the Globe to provide three-dimensional accuracy of every point in, on, or above the Earth. Typically requires a BS in Information Systems, Information Technology, Computer Science or closely related discipline and 8+ years of prior relevant experience or Masters with 6+ years of prior relevant experience.
Service Engineer AxelonService EngineerBelleville, ILProvide on-site support for company server and data center systems, ensuring rapid issue resolution and minimal downtime. Experience supporting servers or data center hardware in a field, enterprise, or customer-facing environment.
NewLinux Systems Engineer Abile Group, Inc.Linux Systems EngineerSt. Louis, MissouriAbile Group, founded in July 2004 to support the Intelligence Community and its contractors across Enterprise Analytics, IT & Systems Engineering, and Program & Project Management, merged with Valiant Solutions in January 2026 - an established provider of cybersecurity technologies and services for Federal Agencies since 2005. With significant experience serving the Federal Government, we remain dedicated to our employees and clients and seek high‑performing professionals who excel at providing guidance, developing solutions, and delivering implementation support that blends industry best practices with client expertise and Abile’s broad technical capabilities.
Software Linux Engineer - Installation and Packaging NVIDIA CorpSoftware Linux Engineer - Installation and PackagingSt. Louis, MOWhat you'll be doing: Build, implement, and maintain installation, packaging, and software delivery workflows for NVIDIA networking software across major Linux distributions (Debian, Ubuntu, RHEL, SLES, NixOS, etc.). Do you want to play a role in promoting the deployment of high-speed networking solutions throughout multiple Linux systems, including developing declarative and reproducible package management methods?
Systems Engineer (Linux) aqua ITSystems Engineer (Linux)St. Louis, MOResponsibilities: Primary responsibilities will involve taking a leadership role in system changes and improvements; working directly with government and contractor POCs to troubleshoot issues; proactively recommend configuration changes to help improve system performance; regularly work with government and contractor POCs to keep systems security compliant; and author and update operational and security documentation, including troubleshooting guides and SOPs. Overview: We have an opening for an experienced Senior System Engineer with Linux system administration experience to support cloud and on-premise systems with a mission operations team.
Data Consultant - Linux and Tooling StratAcuity Staffing Partners IncData Consultant - Linux and ToolingSt. Louis, MO$50–$60 / hourIn terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts.
NewLinux Administration OpenShift Container Platform Diverse Lynx, LLCLinux Administration OpenShift Container PlatformSt. Louis, MODesign, build, configure, and maintain Red Hat Enterprise Linux Server infrastructure across on premises as well as Amazon AWS and Microsoft Azure environments. Strong communication and stakeholder engagement skills; ability to work directly with clients and cross-functional engineering teams.
Linux Systems Administrator - HPC (TS/SCI Clearance Required) North Point TechnologyLinux Systems Administrator - HPC (TS/SCI Clearance Required)St. Louis, MODuties will include working directly with government and contractor POCs to troubleshoot issues, proactively recommending configuration changes to improve system performance, partnering with stakeholders to keep systems security compliant, and authoring and updating operational and security documentation, including troubleshooting guides and SOPs. The ideal candidate has strong Linux system administration experience and a proven background in the installation, configuration, administration, support, and maintenance of mission-critical cloud and on-premise systems.
On-Site Service Engineer AI Data Center Netpace, Inc.On-Site Service Engineer AI Data CenterBelleville, ILRole Responsibilities Client Corporation is seeking an experienced On-Site Service Engineer (OSE) to support enterprise data center and server environments, including next-generation AI platforms. This is a hands-on, customer-facing role focused on maintaining uptime, resolving complex hardware issues, and delivering outstanding on-site service.
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.
Software Engineer - Unifier and OPPM Envision, LLCSoftware Engineer - Unifier and OPPMSt. Louis, MOWorks closely with business analysts to gain understanding of basic requirements and translates into one or more API-led connectivity solutions (integrations, interfaces, proxies, objects, shared code library, etc.); reviews options to identify best solution and provides design for selected solution. Understands and is familiar with relevant technologies in order to design, develop, document, and support simple to moderately complex integration solutions utilizing design patterns, reference architectures and best practices.
Systems Engineer Shiftcode Analytics, IncSystems EngineerMaryland Heights, MOKnowledgeable in basic network configuration (route switch, firewall, cabling, layer 2 heavy environments, data center and campus networking, routing protocols, subnetting, IP protocols, IOSXE, Cisco ASA/FTD). VMware ESXi, Windows Server (Active Directory, DHCP, File Share, Terminal Services), and Linux (RHEL/CentOS/Ubuntu).
NewJava Backend Engineer with Agentic AI Artech LLCJava Backend Engineer with Agentic AIO Fallon, MO$45–$47 / hourExperience with automated release management using Maven| Salt| Git| Jenkins Good understanding of web technologies (HTTP| Apache) and familiarity with UnixLinux Good understanding of data structures| algorithms| and design patterns Great written communication and documentation abilities Looks proactively beyond the obvious for continuous improvement opportunities. Key responsibilitiesProficiency with distributedmulti-tier systems and application development| including excellentprogramming skills in languages such as Java| Python Hands-on experience with Spring Boot| Micro-services| Kafka| Relational andor NoSQL databases.
Cyber Data Analysis Engineer Abile Group, Inc.Cyber Data Analysis EngineerSt. Louis, MissouriAbile Group, founded in July 2004 to support the Intelligence Community and its contractors across Enterprise Analytics, IT & Systems Engineering, and Program & Project Management, merged with Valiant Solutions in January 2026 - an established provider of cybersecurity technologies and services for Federal Agencies since 2005. With significant experience serving the Federal Government, we remain dedicated to our employees and clients and seek high‑performing professionals who excel at providing guidance, developing solutions, and delivering implementation support that blends industry best practices with client expertise and Abile’s broad technical capabilities.
Cloud Systems Engineer Science Applications International CorpCloud Systems 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. Providing specific, detailed information for hardware and software selection, cloud service provider selection, implementation techniques, application data migration techniques and tools for the most efficient solution to meet business needs, including present and future capacity requirements.
AWS Cloud Engineer Science Applications International CorpAWS Cloud EngineerIL$120,001–$160,000 / yearSAIC - AWS Cloud Engineer in Scott Afb, Illinois, United States Join our Talent Network > Talent Network Alumni Connect Current Employees Events Featured Locations Chantilly Charleston Colorado Springs Crane El Segundo Fort Meade Hampton Roads Hawaii Huntsville Reston San Diego Southern Maryland St. Louis Washington DC View All Locations Career Fields Business Management Cyber Cloud Data Science DevSecOps Electrical Engineering Mechanical Engineering Network Engineering Software Engineering Systems Engineering Technical Support View All Career Fields View All Jobs Candidate Resources. Chantilly Charleston Colorado Springs Crane El Segundo Fort Meade Hampton Roads Hawaii Huntsville Reston San Diego Southern Maryland St. Louis Washington DC View All Locations Business Management Cyber Cloud Data Science DevSecOps Electrical Engineering Mechanical Engineering Network Engineering Software Engineering Systems Engineering Technical Support View All Career Fields.
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.
NewPlatform Engineer ApolisPlatform EngineerSt. Louis, MO$65–$70 / hourWe are seeking an experienced Platform Engineer to design, build, automate, and maintain AWS infrastructure supporting enterprise data platforms, AI agent environments, CI/CD pipelines, and production workloads. AWS Neptune/Neo4j, Kafka, Spark/Scala, Airflow, LangGraph/LangSmith, Splunk, FastAPI/Flask, AI/ML Infrastructure, MLflow, and AWS Certifications.
NewPlatform Engineer eTeam Inc.Platform EngineerSt. Louis, MOAs part of this group, the Platform Engineer IV designs, builds, and maintains the AWS infrastructure that underpins the IIA Data Lake, agent runtime environments, CI/CD pipelines, and graph database systems, and develops the utilitarian application code, automation, and internal tooling for those systems. · Manage cross-account connectivity, VPC networking, security groups, and IAM roles/policies to enable secure data flow between IIA, upstream data providers, and downstream consumers.
Service Engineer - Belleville, IL ObjectWin TechnologyService Engineer - Belleville, ILBelleville, ILCandidates must be within a 45-minute commute of the site location unless pre-approved for relocation candidates. ***This job req is subject to overtime discounts (0.95x exempt; 1.35x non-exempt) and a 10% discount after six months of service***.
Senior AI Engineer - SFL Scientific Deloitte Touche Tohmatsu LtdSenior AI Engineer - SFL ScientificMO$128,000–$252,500 / yearOur engineering team leverages emerging technologies and best practices across data security, documentation, cloud services and engineering architecture to create solutions and products that address complex issues and business problems faced by global organizations. Leverage advanced technical skills in modern data architecture, data science engineering, data transformation, and management of structured and unstructured data sources using cloud computing or on-prem technologies.
Associate Information Technology Engineer StratAcuity Staffing Partners IncAssociate Information Technology EngineerMO$38–$42 / hourIn terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. This position supports Risk Managed Framework network compliance across multiple avionics test labs and involves designing networks that connect embedded and host PCs on avionics test benches.
DevOps Engineer StratAcuity Staffing Partners IncDevOps EngineerSt. Louis, MO$45–$56 / hourIn terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. As an Engineer II on the Development Tools team, you will play a key role in designing and maintaining automated solutions that streamline CI/CD (Continuous Integration / Continuous Delivery) processes across multiple teams.
Senior DevOps Engineer Leidos Holdings IncSenior DevOps EngineerSt. Louis, MO$107,900–$195,050 / yearThe Leidos Spatial Solutions Division has an exciting opportunity for a senior DevOps Engineer to assist with the development, integration, deployment, and sustainment of mission critical systems that enable NGA's Geospatial Intelligence (GEOINT) mission collecting sciences, technology and tradecraft measuring and modeling the Globe to provide three-dimensional accuracy of every point in, on, or above the Earth. Typically requires a BS in Information Systems, Information Technology, Computer Science or closely related discipline and 8+ years of prior relevant experience or Masters with 6+ years of prior relevant experience.
Information Assurance Engineer Science Applications International CorpInformation Assurance EngineerIL$120,001–$160,000 / yearThe USTC Managed Information Technology Services (MITS) contract is provides strategic, technical, and program management guidance and support services to facilitate the operations and modernization of the combatant command's infrastructure, systems, and applications. Design and development of Initial Privacy Assessment (IPA) and Privacy Impact Assessments (PIAs) for each major Federal Government IT Systems Developing and conducting System Test and Evaluations (ST&Es) and Independent Verification and Validation (IV&Vs) of the security profiles of Federal Government IT Systems.
Multi-Discipline Engineer Valiant Solutions, LLCMulti-Discipline EngineerArnold, MissouriFull timeBy submitting your resume for this position, you authorize Valiant Solutions to share your resume, as well as, personal information included on the resume, with its subsidiaries, affiliates and teaming partners for the purpose of considering you for this position and other available positions requiring comparable skills, education and experience. Degree and Years of Experience: Bachelor of Science degree plus 5 years of relevant experience; Associate degree plus 7 years of relevant experience, or 9 years of equivalent military and/o civilian experience in lieu of a degree.
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.
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.
DCO Counter-Measures Engineer Leidos Holdings IncDCO Counter-Measures EngineerIL$107,900–$195,050 / yearMaintain situational awareness of cyber activity by reviewing DoD, Intelligence Community and open-source reporting for new vulnerabilities, malware or other threats that have the potential to impact the DoDIN. Design and develop solutions to deliver automated cybersecurity services, conduct agile development & maintenance of automation script/tools to scale cybersecurity work across the enterprise.
Mid-Level Software Engineer Leidos Holdings IncMid-Level Software EngineerSt. Louis, MO$87,100–$157,450 / yearIf you're passionate about solving complex technical challenges, learning emerging technologies, and developing software that directly supports mission success, this is an exciting opportunity to grow your career while making a meaningful difference. As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure, cloud-native solutions.
NewNetwork Software Engineer Leidos Holdings IncNetwork Software EngineerIL$69,550–$125,725 / yearThe Network Software Engineer will work as part of a team to support the development and release of new software tools using the Cisco Network Services Orchestrator (NSO) platform, Python, and other software languages to sustain and manage a Carrier-class Wide Area Network for the Defense Information Systems Agency under the Department of War. This position is ideal for a networking professional with a few years of experience in software tool creation looking to develop and expand their abilities and showcase their skills in a fast paced and technically challenging role.
Software Engineer/Data Science Librarian Leidos Holdings IncSoftware Engineer/Data Science LibrarianArnold, MO$107,900–$195,050 / yearLeidos is seeking a Software Engineer / Data Science Librarian to manage and optimize databases supporting GEOINT product dissemination and to process expurgation requests for distributing discrete geospatial product packages to internal and foreign partners. This position requires a highly collaborative professional capable of working across multiple offices, maintaining and enhancing ingest and validation scripts, and supporting end‑to‑end software operations related to GEOINT product dissemination.
AI Software Engineer Lead Leidos Holdings IncAI Software Engineer LeadSt. Louis, MO$107,900–$195,050 / yearBasic Qualifications: Requires BS degree (Computer Science, Engineering or related field) and 10+ year's of prior relevant experience OR, MS with 7+ year's of prior relevant experience; OR 7 years of additional experience in lieu of degree. 7+ year's experience leading, designing and implementing distributed solutions and 5+ year's experience with cloud-based solutions (Cloud, SOA, Web-Services) including virtualization environment, network and operating system experience.
NewSystems Engineer SME Science Applications International CorpSystems Engineer SMEIL$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. Providing specific, detailed information for hardware and software selection, cloud service provider selection, implementation techniques, application data migration techniques and tools for the most efficient solution to meet business needs, including present and future capacity requirements.
NewNetwork Software Engineer Lead Leidos Holdings IncNetwork Software Engineer LeadIL$107,900–$195,050 / yearThe Software Engineer Lead will be the primary systems manager for the release and deployment of new software tools using the Cisco Network Services Orchestrator (NSO) platform, Python, and other software languages to sustain and manage a Carrier-class Wide Area Network supporting the Defense Information Systems Agency under the Department of War. Leidos' Digital Sector/Global Solutions Management-Operations II (GSMO-II) contract has an opening for a Network Software Engineer Lead located in the Scott AFB, IL area.
Cloud Engineer Science Applications International CorpCloud EngineerIL$80,001–$120,000 / yearSAIC is seeking a skilled and motivated Cloud Engineer to join our team in supporting an IT Service Management (ITSM) effort for the U.S. Transportation Command (USTRANSCOM) located at Scott Air Force Base (AFB), Illinois. This is a career-defining opportunity to provide strategic, technical, and hands-on cloud engineering expertise to TCJ6, USTRANSCOM''s tech-forward Command, Control, Communications & Cyber Systems Directorate.
NewSenior Network Software Engineer Leidos Holdings IncSenior Network Software EngineerIL$87,100–$157,450 / yearThe Senior Network Software Engineer will support the development and release of new software tools using the Cisco Network Services Orchestrator (NSO) platform, Python, and other software languages to sustain and manage a Carrier-class Wide Area Network for the Defense Information Systems Agency under the Department of War. Experience creating software design artifacts, including the creation of functional, technical, and architectural design documentation as well as test cases and installation, deployment and configuration documentation.
Service Engineer - Belleville, IL Ampcus IncorporatedService Engineer - Belleville, ILBelleville, ILThis customer-facing role is ideal for professionals with strong server hardware and data center experience who enjoy troubleshooting complex technical issues and ensuring maximum system availability. We are seeking an experienced On-Site Service Engineer to provide hands-on support for enterprise server and data center environments, including next-generation AI infrastructure.
Data Center Service Engineer eTeam Inc.Data Center Service EngineerBelleville, IL$41.61 / hourThis is a hands-on, customer-facing role focused on maintaining uptime, resolving complex hardware issues, and delivering outstanding on-site service. Seeking an experienced On-Site Service Engineer (OSE) to support enterprise data center and server environments, including next-generation AI platforms.
Senior Software Engineer Abode Techzone LLCSenior Software EngineerSt. Louis, MOThis role is ideal for a full-stack engineer who thrives in fast-paced technical environments, enjoys solving complex engineering challenges, and has experience building cloud-native applications with modern development practices. You will play a key role in designing new capabilities, enhancing existing systems, integrating external services, and collaborating with cross-functional teams to deliver secure and reliable solutions.
Cyber Security Engineer - NSS Tools CACI International IncCyber Security Engineer - NSS ToolsSt. Louis, MO$75,200–$158,100 / year7+ 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.
Service Engineer Axelon Services CorporationService EngineerBelleville, IL$41.61 / hourProvide on-site support for company server and data center systems, ensuring rapid issue resolution and minimal downtime. Experience supporting servers or data center hardware in a field, enterprise, or customer-facing environment.
Platform Engineer (Kubernetes) Maxar Technologies Inc (Inactive)Platform Engineer (Kubernetes)St. Louis, MO$145,000–$215,000 / yearThe successful candidate's starting pay will fall within the salary range provided below and is determined based on job-related factors, including, but not limited to, the experience, qualifications, knowledge, skills, geographic work location, and market conditions. Vantor is a place for problem solvers, changemakers, and go-getters-where people are working together to help our customers see the world differently, and in doing so, be seen differently.
GIS DevOps Engineer Maxar Technologies Inc (Inactive)GIS DevOps EngineerSt. Louis, MO$145,000–$215,000 / yearThe successful candidate's starting pay will fall within the salary range provided below and is determined based on job-related factors, including, but not limited to, the experience, qualifications, knowledge, skills, geographic work location, and market conditions. Vantor is a place for problem solvers, changemakers, and go-getters-where people are working together to help our customers see the world differently, and in doing so, be seen differently.