71 infrastructure engineer jobs at 42 companies in O'Fallon, IL
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Sr Infrastructure Engineer
Iselin or Charlotte or Saint Louis
OnsiteFull Time
5+ YOE5+ years in infrastructure/network engineering with experience in B2B connectivity, managed file transfer, APIs, messaging, LAN/WAN/datacenter design, BGP/OSPF, Cisco Nexus/Arista, and enterprise integrations.
Managed File Transfer (MFT), Connect:Direct (NDM), Axway Secure Transport, API Gateway, Apigee, Cisco Nexus, Arista, BGP, OSPF
2w
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Infrastructure Engineer
Saint Ann, Missouri, United States
$80k-$100k/yr OnsiteFull Time
3+ YOE3+ years applicable experience or bachelor's in information systems; experience with Windows Server/Linux, infrastructure as code, cloud tooling, Active Directory, networking, and DevOps practices.
PowerShell, JSON, Python, Azure CLI, AWS CLI, Terraform, PowerCLI, Javascript, OAuth, webhooks, REST API, Windows Server, Linux distributions, SNMP, Syslog, RMON, Active Directory, Group Policy
1mo
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Infrastructure Engineer
Maryland Heights, Missouri, United States
OnsiteFull Time
Hands-on server/infrastructure operations (Windows/Linux), monitoring, backup/restore, Active Directory administration (scoped), ITSM/ITIL practices, on-call availability, and working in regulated GxP environments.
Windows Server, Linux, VMware, Microsoft Hyper-V, Microsoft Azure, Veeam, Active Directory, Group Policy (GPO), CMDB
1mo
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Infrastructure Engineer
St. Louis, Missouri, United States
OnsiteFull Time
5+ YOEBachelor's in CS/IT or equivalent, 5+ years infrastructure/systems administration experience; expertise with Windows Server, Active Directory, virtualization, cloud, backups/DR, scripting, networking (DNS/DHCP/TCP/IP), and security controls.
Windows Server, Active Directory, DNS, DHCP, TCP/IP
4w
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AI & HPC Infrastructure Engineer
St. Louis, Missouri, United States
HybridFull Time
5+ YOE5+ years designing, deploying, and managing AI/HPC infrastructure; experience with accelerated computing, cluster management, orchestration, networking, storage, and automation; bachelor’s degree or equivalent.
Slurm, Run:ai, Kubernetes, Base Command Manager (BCM), NGC, NCCL, NVLink, CUDA, TensorRT-LLM, vLLM, SGLang, Triton Inference Server, NVIDIA Dynamo, llm-d, MLPerf, fio, iperf, Python, Terraform, Ansible, AWS, Azure, GCP, VMware, Nutanix, SONiC, VAST, Weka, DDN, TensorFlow, PyTorch, JAX, Jupyter, Google Colab
1w
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Infrastructure Security Engineer, Public Sector
New York City or St. Louis or Washington
$149k-$342k/yr OnsiteFull Time
Top Secret clearance required. Experience securing large cloud environments, infrastructure-as-code review, Kubernetes and cloud-native services, scripting (NodeJS/TypeScript/Python), and security tooling.
AWS, Azure, GCP, NodeJS, TypeScript, Python, Kubernetes, Terraform, CloudFormation, SAST, DAST, JavaScript
2w
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Application Infrastructure Engineer
Fort Meade or Pensacola or Mechanicsburg or San Antonio or Scott AFB or Colorado Springs or Tinker AFB or Hill AFB
$87k-$198k/yr OnsiteFull Time
5+ YOE5+ years designing, deploying, and maintaining VMware on‑prem private cloud environments, NSX/NSX‑T, vSphere administration, server and networking management; Secret clearance and HS diploma/GED required.
VMware, ESXi, vCenter, vSAN, NSX, NSX-T, vSphere, Windows, Linux, macOS, Shell, PowerShell, Python, Cisco, Juniper, Infrastructure as Code, vSphere administration, virtual environments
1mo
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Project Engineer – Infrastructure Construction
St. Louis, Missouri, United States
OnsiteFull Time
5+ YOEBachelor's in construction/civil field, 5+ years heavy civil/infrastructure construction experience, proficiency with construction software, ability to read plans, strong communication and organizational skills, valid driver's license.
Microsoft Office, Procore, Bluebeam, Primavera P6, Microsoft Project
1mo
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Senior Infrastructure Security Architect
St. Louis or Tempe or United States
HybridFull Time
10+ YOEBachelor's in CS/Engineering or equivalent, 10+ years in infrastructure security architecture, expertise in encryption, key/certificate management, cloud and hybrid security, security frameworks, tooling, and strong communication skills.
Azure, OCI, AWS, GCP, EDR/XDR, SIEM, NIST, CIS, ISO 27001
2w
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Civil Engineer
Scott AFB, Illinois, United States
$109k-$142k/yr OnsiteFull Time
1+ YOEBachelor's in engineering (ABET or equivalent) or equivalent qualifications; 1 year specialized engineering experience analyzing transportation infrastructure, using modeling/simulation tools, and conducting engineering studies; U.S. citizenship required; submit licensure/certification; Secret clearance.
2mo
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Infrastructure Engineering Senior Advisor- Hybrid
St. Louis, Missouri, United States
HybridFull Time
Masters with 3 years' experience or Bachelor's with 5 years; strong Splunk, Cribl, cloud and IaC expertise; hybrid work.
Splunk, Cribl, AWS, Terraform, Ansible, Packer, SPL, HEC, Indexing, Load balancing, Cribl Stream, Cribl Edge, Puppet, Chef, GitLab CI, Linux, Bash, Python, Perl, IAM, VLANs, VPNs
4w
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Principal Engineer - Systems
St. Louis, Missouri, United States
RemoteFull Time
11+ YOE11+ years software and infrastructure engineering experience, expertise in cloud (Azure), security (MFA, SSO, MIM, OTP), distributed systems, and strong stakeholder communication and mentoring skills.
Microsoft Active Directory, Microsoft Entra, AppSec, MFA, SSO, MIM, OTP, Azure
3w
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Senior Platform Engineer
Denver or St. Louis or Sterling or Springfield
$99k-$207k/yr OnsiteFull Time
5+ YOETS/SCI clearance with polygraph ability, bachelor's in CS/IS or equivalent,5+ years platform/infrastructure engineering, Kubernetes, CI/CD, Terraform/Ansible, Linux and Python/Bash skills.
Kubernetes, Docker, OpenShift, GitLab CI, Jenkins, Terraform, Ansible, Linux, Python, Bash, AWS, C2S, SAFe
3w
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Senior Platform Engineer
Denver or Springfield or Sterling or St. Louis
$99k-$207k/yr OnsiteFull Time
5+ YOETS/SCI clearance (with polygraph) required, 5+ years platform/infrastructure engineering, hands-on Kubernetes, CI/CD, IaC (Terraform/Ansible), Linux and scripting (Python/Bash), cloud experience (AWS/C2S).
Kubernetes, Docker, OpenShift, GitLab CI, Jenkins, Terraform, Ansible, Python, Bash, AWS, C2S, SAFe
2mo
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Lead Electrical Engineer - Buildings
Saint Louis, Missouri, United States
$108k-$160k/yr OnsiteFull Time
7+ YOEBachelor's in electrical or architectural engineering, PE required, 7+ years post-degree electrical design experience, proficiency with codes and building electrical infrastructure, Revit/AutoCAD/Bluebeam/SKM/Dapper/AGI32 and Microsoft Excel experience.
Revit, BIM, AutoCAD, SKM/Dapper, AGI32, Bluebeam, Microsoft Excel
1mo
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Senior Civil Engineer
Collinsville, Illinois, United States
RemoteFull Time
10+ YOEBSCE (ABET) and active P.E.; 10+ years civil engineering experience with 5+ years relevant to DoD fuel infrastructure; familiarity with DoD standards, SpecsIntact, and applicable codes; U.S. citizenship and ability to obtain DoD CAC and pass background check; willingness to travel ~10-15%.
SpecsIntact, CSI MasterFormat, AutoCAD, Revit, RISA 3D, Civil 3D
1mo
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Grid Solutions Engineer
St. Louis, Missouri, United States
$84k-$204k/yr HybridFull Time
3+ YOEBachelor's required; 3+ years (engineer) / 5+ (senior) / 7+ (lead) relevant experience. Experience with electric distribution systems, ADMS, SCADA, GIS, software development, relational databases, and server/network infrastructure; hybrid work and off-hours support required.
Distributed Energy Management System (DERMS), Linux, Windows Server, Oracle, SQL Server, Rancher Kubernetes Engine, Palo Alto Firewalls, MuleSoft, Splunk SIEM, Dynatrace Application Monitoring, ERSI, SCADA, Advanced Distribution Management System, Outage Analysis System
1mo
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Senior Platform Engineer
O'Fallon, Missouri, United States
$96k-$163k/yr OnsiteFull Time
Experience with Microsoft Azure infrastructure automation (Terraform), programming (Python/Java/Go/Bash), DevOps tools (ADO, Jenkins, Bitbucket, Artifactory, SonarQube), bachelor's in CS or related, and large-scale system troubleshooting.
Microsoft Azure, Terraform, Python, Java, Go, Bash, ADO, Jenkins, Bitbucket, Artifactory, SonarQube, Microsoft Windows, Linux
1w
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Site Reliability Engineer
St. Louis, Missouri, United States
OnsiteFull Time
Experience supporting production platforms using observability data, incident response, automation/ infrastructure-as-code, cloud/container/Linux environments, and strong technical communication.
OpenTelemetry, Grafana, ClickHouse, Cribl, Datadog, BigPanda, Redis, Flink, Git, CI/CD, GitOps, Linux
1mo
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Engineer, Cloud - Archimedes
St. Louis or Brentwood or Alaska or Arizona or Arkansas or California or Connecticut or Delaware or Hawaii or Idaho or Louisiana or Maine or Massachusetts or Michigan or Mississippi or Montana or Nebraska or Nevada or New Mexico or New York or North Carolina or North Dakota or Oregon or Rhode Island or South Carolina or South Dakota or Texas or Utah or Vermont or Washington or West Virginia or Wyoming or United States
HybridFull Time
5+ YOEDesigning and operating secure, scalable Azure environments; 5+ years cloud infrastructure experience; IaC with Terraform/Bicep/ARM; scripting with PowerShell/Python/Azure CLI; observability and compliance (HIPAA, SOC 2, ISO 27001).
Azure Data Lake Storage Gen2, Azure Databricks, Azure Machine Learning, Azure OpenAI, Azure App Services, AKS, Azure SQL, Terraform, Bicep, ARM templates, Azure DevOps Pipelines, Azure CLI, PowerShell, Python, Azure Policy, Azure Monitor, Log Analytics, Application Insights, Network Watcher, Kusto Query Language (KQL), Microsoft Entra ID, Entra B2B, Entra B2C, Microsoft Intune, Azure Key Vault, Microsoft Defender for Cloud, Microsoft Sentinel, Azure Front Door, Application Gateway, ExpressRoute, VPN Gateway, Azure Firewall, Unity Catalog, Delta Lake, Private Endpoints, Managed Identities, Databricks ML, MLflow, Azure Functions, Azure Repos, GitHub Actions, Git, Jira Service Management, Azure Cost Management, Azure Blueprints
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