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.
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.
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.
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.
Senior Linux Engineer Cboe Global Markets, IncSenior Linux EngineerMO$114,750–$148,500 / yearThe anticipated base salary range for this role is $114,750-$148,500 in Kansas, $126,225-$163,350 in Chicago, and $143,438-$185,625 in New York, with actual compensation determined by job‑related factors such as skills, relevant experience, education, internal alignment, and location. In this role, you will be responsible for managing and improving our highly automated Linux-based systems and platforms while supporting our broader technology infrastructure with a focus on automation.
Linux Systems Engineer GD Information TechnologyLinux Systems EngineerSpringfield, MissouriCandidates with genuine Nutanix administration experience (AHV, Prism, cluster operations, VM lifecycle, storage, networking, and troubleshooting) will recognize the role as a good fit, while Linux engineers without Nutanix experience will understand it is a significant requirement rather than a nice-to-have. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.
Linux Systems Engineer D2 Technical ServicesLinux Systems EngineerSpringfield, MissouriRequired skills: Bachelor’s Degree in Computer Science, Engineering, or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience. Hands-on experience administering Nutanix HCI environments, including AHV, Prism Central, Prism Element, virtual machine lifecycle management, storage, networking, and cluster operations.
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, MissouriResponsibilities: 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.
Linux 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.
Linux/Windows Systems Administrator Ascension Federal ServicesLinux/Windows Systems AdministratorSpringfield, MissouriLocation: Springfield, VA Clearance: Secret Position Overview: The Linux/Windows Systems Administrator is responsible for the design, implementation, maintenance, and security of the organization's Linux and Windows server infrastructure. Scripting and Automation: Develop and maintain scripts using Bash, Python, or PowerShell to automate routine tasks, streamline processes, and improve system efficiency.
NewTier II Linux Administrator - TS/SCI with Polygraph GD Information TechnologyTier II Linux Administrator - TS/SCI with PolygraphSpringfield, MissouriCandidate must possess an appropriate and current DoD Information Assurance (IA) Certification to be considered for employment; either valid CompTIA Security+ CE, Systems Security Certified Practitioner (SSCP) or Cisco Certified Network Associate (CCNA)-Security . To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.
PAM Automation Engineer Genesis10PAM Automation EngineerKansas City, MORemoteTemporaryContractorFull timeRanked a Top Staffing Firm in the U.S. by Staffing Industry Analysts for six consecutive years, Genesis10 puts thousands of consultants and employees to work across the United States every year in contract, contract-for-hire, and permanent placement roles. With more than 300 active clients, Genesis10 provides access to many of the Fortune 100 firms and a variety of mid-market organizations across the full spectrum of industry verticals.
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.
ELK Engineer HHB SystemsELK EngineerSpringfield, MissouriWe lead the way in professional management advisory services; analytic support; cybersecurity; systems engineering; systems and application design; acquisitions and integration; as well a systems administration of major analytical DoD operational systems. HHB Systems is seeking experienced Elastic (ELK) Engineers/Developers ready to join our team of System Integrator, System Engineers and Software Developers to provide high-profile, large scale AWS-based solutions.
Senior Cloud Infrastructure Engineer Deployments Jack Henry & Associates IncSenior Cloud Infrastructure Engineer DeploymentsMOWe also collaborate deeply with product engineering teams to build high‑performance, scalable, and secure services that power core business functions including transactions, payments, deposits, transfers, authentication, and platform integrations. The Infrastructure Engineer will be a key contributor on Jack Henry Digital's Cloud Infrastructure team, responsible for building and operating the core systems that enable scalable, reliable delivery of application and infrastructure services in Google Cloud Platform (GCP).
Senior Cloud Infrastructure Engineer Core Jack Henry & Associates IncSenior Cloud Infrastructure Engineer CoreMOThe Infrastructure Engineer will be a key contributor on Jack Henry Digital's Cloud Infrastructure team, responsible for building and operating the core systems that enable scalable, reliable delivery of application and infrastructure services in Google Cloud Platform (GCP). We also collaborate deeply with product engineering teams to build high‑performance, scalable, and secure services that power core business functions including transactions, payments, deposits, transfers, authentication, and platform integrations.
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.
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.
Software Engineer Specialist CAE IncSoftware Engineer SpecialistMOSoftware Engineers support computational systems architecture and system software for real-time simulation applications; create new and modified simulation models using established modeling techniques; and work closely with other engineering disciplines. Who We Are: CAE Vision: Our vision is to be the worldwide partner of choice in defense and security, and civil aviation by revolutionizing our customers' training and critical operations with digitally immersive solutions to elevate safety, efficiency and readiness.
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.
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.
L2 Application Support Engineer (IBM -WebCommerce Suite 8.x ecomm) ClifyX, INCL2 Application Support Engineer (IBM -WebCommerce Suite 8.x ecomm)Springfield, MOThis role requires strong troubleshooting skills, proactive monitoring and incident response capabilities to ensure optimal performance and availability of our online commerce systems. We are seeking an experienced L2 Application Support Engineer to provide operational support for our mission-critical WebSphere Commerce Suite (WCS) 8.x e-commerce platform.
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).
Lead C/C++ Software Engineer Shiftcode Analytics, IncLead C/C++ Software EngineerO Fallon, MO, MOFrom an interview perspective, the Hiring Manager provided some great feedback to what they are looking for in the interviews: Looking for someone that is eager to learn, lean into the conversation and will be conversational. Approach to getting feedback (this team leans into peer reviews and providing each other feedback/thoughts the candidate needs to be able to receive and apply the feedback).
Cybersecurity Implementation Engineer 717 Freedom Technology Solutions GroupCybersecurity Implementation Engineer 717Springfield, MissouriQualifications: A deep expertise in one of the following areas and working knowledge of one or more of the other following: Network Detection and Response (NDR), Endpoint Detection and Response (EDR), Next-Generation Firewalls (NGFWs), Intrusion Detection/Prevention Systems (IDS/IPS), F5 platforms, email/web security gateways. 6+ years related technical experience in network/cybersecurity engineering and experience with large-scale enterprise/global networks in a highly diverse environment with an emphasis in DoD capabilities.
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.
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.
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.
Observability Engineer (Splunk) SS&C Technologies Holdings IncObservability Engineer (Splunk)Kansas City, MOUnless explicitly requested or approached by SS&C Technologies, Inc. or any of its affiliated companies, the company will not accept unsolicited resumes from headhunters, recruitment agencies, or fee-based recruitment services. • Execute production changes independently and safely: instance resizing/replacement, storage migrations, network/IP cutovers, and maintenance-window execution.
NewFull Stack Software Engineer Reinventing Geospatial, Inc. (RGi)Full Stack Software EngineerSt. Louis, MOWe may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. RGi provides opportunities, resources, training, and mentorship to all our employees to let them take control of their careers and become a leader or a crucial member of our company.
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.
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.
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.
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.
Infrastructure Production Engineer PA25Q4IPFTSJH042 SS&C Technologies Holdings IncInfrastructure Production Engineer PA25Q4IPFTSJH042Kansas City, MOLiaise with vendors and other IT personnel for problem resolution • Experience managing and deploying Intrusion detection systems, anti-virus software, authentication systems, log management, content filtering design, cloud security tooling and monitoring. • Network, firewall, load balancers, Remote desktop, WiFi networks (Cisco ASA/Firepower, F5, Palo Alto, Azure firewall, HAproxy, Meraki) design, deployment, and maintenance.
Senior Software Engineer Site Reliability Engineering Jack Henry & Associates IncSenior Software Engineer Site Reliability EngineeringMOCloud Evolution and Migration: Support the company's strategic growth into public cloud services (GCP, Azure) and play a key role in the migration and redesign of services from on-premises data centers to GCP, ensuring adherence to SRE principles throughout the transition. SRE Practice Implementation: Design and implement robust Site Reliability Engineering practices, including defining and monitoring Service Level Objectives (SLOs) and Service Level Indicators (SLIs), focusing on proactive system health and error budgets.
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.
Cerner Systems Engineer Vector Consulting GroupCerner Systems EngineerKansas City, MOVCG is looking for a senior Oracle Cerner Technical Systems Engineer to support a Regional Digital Solutions team, responsible for supporting IT system solutions that deliver the safe and consistent patient care across the organization. Start Date: ASAP Length: 12 months to start Region: Northwest Hours: 30-35 hrs/week Travel: 0% Type: Contractor Vector Consulting Group, Inc. is a nationally recognized leader in Healthcare IT Staffing and Consulting Services.
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.
Senior Systems Engineer Oracle CorpSenior Systems EngineerColumbia, MO$35.63–$71.30 / hourOracle maintains broad salary ranges for its roles in order to account for variations in knowledge, skills, experience, market conditions and locations, as well as reflect Oracle''s differing products, industries and lines of business. Join Oracle Health Managed Services and help power the technology that supports better healthcare outcomes for patients and caregivers in mid-Missouri.
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.
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.
Staff Infrastructure Reliability Engineer - Database & Storage Rocket Companies IncStaff Infrastructure Reliability Engineer - Database & StorageMORemote$180,100–$278,700 / yearThis role requires depth in design, collaboration with internal teams, a proactive approach to problem solving, and the ability to share complex ideas with senior leadership and secure their support. You have a proven history in architecting, building, scaling, and supporting cloud infrastructure technologies, specializing in database and storage services and can communicate the direct business impact of this work.
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.