Top IT Jobs in St. Louis, MO

Develops and maintains virtualized mission applications for VDI and thick-client environments using Citrix, VMware, and Microsoft technologies. Responsibilities include application sequencing, testing, user-settings persistence, automation, infrastructure configuration, disaster recovery, patching, troubleshooting, performance tuning, incident resolution, and technical documentation. The engineer works onsite with intelligence customers, operates independently, supports application delivery, and provides training and design materials.

Designs, installs, configures, maintains, and upgrades audiovisual systems, including conferencing, digital signage, presentation, sound, and control systems. Troubleshoots complex AV issues, manages AV network integration, documents configurations, trains users, coordinates vendors and equipment inventory, and ensures security and accessibility compliance. Provides occasional after-hours support for critical systems at an onsite intelligence customer location.

Owns enterprise ITSM and related platforms in a secure environment. Configures, maintains, troubleshoots, and extends COTS applications; builds API, webhook, middleware, directory, and scripting-based integrations; develops workflows, automations, utilities, and lightweight applications; and resolves authentication, plugin, and configuration issues. The role translates operational needs into maintainable technical solutions, documents implementations, improves reliability, and works independently with stakeholders and adjacent technical teams.

Manage and secure cloud and server infrastructure, including Windows Server, Azure, AWS, Azure Virtual Desktop, Active Directory, DNS, DHCP, and Office 365. Responsibilities include monitoring, troubleshooting, patching, automation, security and compliance, backup and disaster recovery, infrastructure migrations, ITIL service management, documentation, and user support. The administrator will participate in 24/7 on-call rotations and collaborate on infrastructure optimization and project initiatives.

Design, implement, and maintain enterprise Linux infrastructure and Nutanix HCI (AHV) environments. Administer Red Hat tooling (RHEL, Satellite, Capsule), develop automation with Ansible and scripting (Bash/Python), monitor and troubleshoot virtualization, storage, networking, and performance, and document architectures while participating in SAFe/Scrum teams.

Design, implement, and manage PostgreSQL database infrastructure: ensure integrity, security (RBAC), HA, backups, monitoring, performance tuning, migrations (Oracle/MySQL/Postgres), schema design, upgrades, and documentation to support intelligence customers.

Design, implement, and maintain enterprise Linux infrastructure and Nutanix HCI (AHV, Prism). Automate with Ansible and scripting (Bash/Python), manage RHEL tools (Satellite/ Capsule), integrate authentication (OAuth/SSO), and support observability (Grafana/Zabbix). Troubleshoot virtualization, storage, networking, and performance issues while documenting architecture and improving automation and reliability. Active TS/SCI and CI Polygraph eligibility required.

Lead design, architecture, and engineering of Cross Domain Solutions (CDS). Evaluate technologies, produce design packages and technical documentation, gather/validate stakeholder requirements, coordinate implementation, support accreditation and operations, mentor engineers, and support government modernization and planning efforts.

Build and evolve scalable generative AI software, including an agentic framework powering Atom AI and an AI asset portal. Develop production-ready web, data, and AI solutions; evaluate emerging models and frameworks; promote responsible AI practices; and ensure solutions are maintainable, cost-effective, and scalable. Partner with stakeholders, lead complex projects, demonstrate solutions, participate in strategy and ideation, and mentor other developers.

Build integrations, automation, analytics pipelines, dashboards, and self-service tools for enterprise workforce AI platforms including Microsoft Copilot, Claude, and Glean. Develop adoption and usage reporting, automate platform administration and licensing governance, support AI enablement programs, and integrate privacy, security, and responsible AI practices. Lead complex projects, mentor developers, collaborate with stakeholders, demonstrate solutions, and recommend technology and process improvements.

Lead and execute remote technical implementations for dental practices from signing through go-live. Configure PMS integrations, set up remote access and network configurations, manage AWS-hosted Windows VMs/ETL, handle support volume, liaise with MSPs, and improve onboarding processes and automation while partnering with cross-functional teams.

Manages corporate AMEX cards, reconciles event and travel expenses, supports financial and administrative operations, and ensures accurate, compliant, timely processing of expenditures. Collaborates with finance, events, and task order teams to validate travel requirements and maintain documentation. Requires strong organization, prioritization, spreadsheet, and financial reporting skills, plus proficiency with Microsoft Office, Excel, expense management systems, and card platforms.

Provides advanced internal IT support across identity, devices, software, SaaS, and workplace applications. The role resolves complex employee technology issues, manages support workflows, builds AI-assisted automations and self-service resources, analyzes support metrics, and improves onboarding, access, device, and software processes. It also coordinates with security, infrastructure, endpoint, identity, and enterprise systems teams while supporting distributed employees across time zones.

Lead and grow a product support team for a live digital court reporting product (Maggie). Supervise analysts, triage and lead incident response for P0/P1 events, coordinate escalations to IT and engineering, run on-call rotations, develop runbooks/KB/training, track support metrics, provision hardware kits, and hire and train support staff.

Design, administer, optimize, and govern an enterprise Databricks Lakehouse Platform. Responsibilities include managing workspaces, Unity Catalog, compute, workflows, data pipelines, security controls, observability, performance, cost optimization, CI/CD, infrastructure automation, disaster recovery, and platform upgrades. The role also supports audits, compliance, troubleshooting, documentation, technical standards, and mentorship while integrating Databricks with enterprise data, business intelligence, and AI/ML environments.

Leads enterprise strategy, architecture, delivery, governance, and operations across data, analytics, information management, automation, AI, and GenAI. Drives transformation toward governed data foundations, reusable data products, data marketplaces, self-service analytics, and responsible AI. Oversees platforms, pipelines, dashboards, automation initiatives, budgets, vendors, and senior technical teams while partnering with business, Legal, Compliance, Quality, and Security. Builds training, adoption, stewardship, and change-management programs across a global life sciences organization.

Provide Level 1 and Level 2 IT support across Mac and PC environments, including endpoint deployment, troubleshooting, account and access administration, Microsoft 365 and Google Workspace support, endpoint security, patching, asset management, onboarding and offboarding, documentation, ticket queue management, vendor coordination, and IT project assistance.

Provide Level 1 IT support across Mac and PC environments, troubleshooting hardware, software, peripherals, Microsoft 365, Google Workspace, and SaaS applications. Manage device deployment, onboarding, offboarding, hardware logistics, asset inventory, access provisioning, documentation, and ticket resolution. Maintain knowledge-base content, escalate complex issues, and support IT projects. This is an on-site position in St. Louis, Missouri.

Designs, implements, administers, and supports enterprise Active Directory, directory synchronization, DNS, DHCP, IPAM, PKI, and Cisco ISE services across hybrid on-premises and cloud environments. Provides Tier 3 escalation support, manages 802.1X network access control, troubleshoots authentication and replication issues, implements Group Policy, and develops resilient system architectures. The role also documents modernization efforts, integrates identity and security platforms, and collaborates with network, systems, security, and business teams.

Supports data center networks, application delivery, and network security environments through operations, maintenance, integration, deployment, troubleshooting, and solution design. Provides Tier III expertise, administers LAN/WAN infrastructure, evaluates technologies, manages upgrades and changes, develops technical proposals and procedures, documents architectures, and resolves complex hardware and software issues. Collaborates with engineers, stakeholders, project managers, vendors, and Tier IV support teams while managing technical projects and network performance.

Provides on-site systems administration for GEOINT exploitation systems, including troubleshooting hardware, software, VDI endpoints, virtual machines, and geospatial applications. Automates software deployments, packages software, maintains system security and documentation, supports backups and recovery, develops testing strategies, and recommends corrective solutions. The role also manages accounts, evaluates vendor products, trains users, documents issues, and provides technical guidance to junior staff in a customer-site environment.

Designs, maintains, and optimizes AWS infrastructure and full-stack applications. Automates deployments, implements CI/CD pipelines, manages containerized services with Docker and Kubernetes, integrates authentication and REST APIs, improves monitoring and security, troubleshoots operational issues, and develops JavaScript or TypeScript applications backed by relational databases. Participates in Agile requirements gathering, documentation, testing, production delivery, legacy code refactoring, and mentoring junior developers.

Operate, maintain, and improve enterprise SIEM and log aggregation platforms (ArcSight, ElasticSearch, Kibana, Splunk). Onboard assets, develop alerts/playbooks/rules, tune queries, troubleshoot event flow and parsing, and perform engineering, testing, and emergency maintenance to meet 99.99% availability and Intelligence Community standards. Document incidents, use ticketing systems, and support CSOC reporting and integrations. Requires active TS/SCI and relevant DoD 8570 certifications.

Build and enhance scalable full-stack applications and microservices using React and Java or Python. Diagnose performance and architectural issues, develop production-grade user interfaces, collaborate in Agile environments, and deliver cloud-based solutions. The role includes end-to-end implementation ownership, technical decision-making, team leadership, mentoring, and applying AI-assisted development tools. Work is remote eligible and supports mission-critical customer systems.

Owns the lifecycle, security, and administration of company devices, Mac MDM, user accounts, endpoint controls, networks, servers, backups, logging, and vulnerability remediation. Supports field deployments and customer-site infrastructure, maintains IT policies and documentation, coordinates shared services with parent-company IT, evaluates new tools, and communicates project risks and tradeoffs to leadership.