21 network infrastructure engineer jobs at 16 companies in O'Fallon, IL
1d
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Industrial Network Engineer
St. Louis or Clayton or Abilene or Denver
OnsiteFull Time
3+ YOE3+ years networking experience in manufacturing, BS in relevant technical field or equivalent, strong network infrastructure and Cisco/Rockwell switch configuration skills, network certifications preferred.
Cisco, Stratix, Rockwell, Dell, HP, VMware, Hyper-V, Microsoft Office, Visio, AutoCAD, Cisco CLI, GNS3, SolarWinds, Network Manager, PLCs, SCADA
4d
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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
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
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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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
4d
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Security Engineer- Enterprise Platforms
Mt Sterling or Chesterfield
$87k-$131k/yr OnsiteFull Time
Bachelor's degree or equivalent experience in related field; experience in cybersecurity, infrastructure, or network engineering; knowledge of enterprise security platforms; strong troubleshooting, communication, and analytical skills.
3w
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DevOps Engineer
Springfield or St. Louis
$145k-$165k/yr OnsiteFull Time
8+ YOEUS citizen with active TS/SCI and ability to obtain CI Polygraph, degree plus 8+ years (or equivalent experience), experience with containers and cloud/on-prem infrastructure, GitLab CI/CD, Python/Bash/Shell, networking and security.
Kubernetes, Docker, OpenShift, GitLab, Python, Bash, Shell, Helm, Jira, Confluence
4w
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Senior DevOps Engineer
St. Louis, Missouri, United States
$165k-$175k/yr OnsiteFull Time
ACTIVE TS/SCI clearance required; hands-on experience with Kubernetes/Docker/OpenShift, CI/CD (GitLab), Python and Bash scripting, on-prem and cloud infrastructure, networking fundamentals, and security/compliance practices.
Kubernetes, Docker, OpenShift, GitLab, Helm, Python, Bash, Shell, IAM, S3, SSH, VPN, Jira, Confluence
1w
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DevOps Engineer, Sr.
Springfield or St. Louis
OnsiteFull Time
8+ YOETS/SCI required; 8+ years experience; bachelor\u0002s degree or equivalent; experience with Kubernetes/Docker/OpenShift, GitLab, Python/Bash/Shell scripting, networking, CI/CD and infrastructure automation.
Kubernetes, Docker, OpenShift, GitLab, Helm, Python, Bash, Shell, Jira, Confluence
1mo
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DevOps Engineer, Sr
Springfield or St. Louis
$139k-$187k/yr OnsiteFull Time
8+ YOETS/SCI clearance and US citizenship required, 8+ years experience, expertise with Kubernetes/Docker/OpenShift, GitLab, Python, Bash/Shell scripting, CI/CD, on-prem and cloud infrastructure, networking and security, and strong troubleshooting and communication skills.
Bash, GitLab, Shell Scripting, Kubernetes, Docker, OpenShift, Python, Helm, Jira, Confluence
3w
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Cyber Data Analysis Engineer 718
St. Louis or Springfield
OnsiteFull Time
5+ YOE5+ years systems engineering experience; IAT II required and must obtain CSSP Infrastructure Support within 120 days; advanced Linux; networking, hypervisor, and SIEM experience; scripting with Python/Bash; strong problem-solving and communication.
Linux, Windows, IPAM, DNS, DHCP, VMware ESXi, Citrix XenServer, Microsoft Hyper-V, Elastic, Splunk, ArcSight, Cribl, Python, Bash, AWS, Google, Rackspace, OpenStack, SIEM
1mo
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Endpoint Security Engineer III
Springfield or St. Louis
$75k-$158k/yr OnsiteFull Time
5+ YOETS/SCI clearance required, bachelor's in engineering/computer science preferred (experience may substitute), 5+ years cyber security experience, DoD 8570 IAT Level II, CSSP Infrastructure Support certification (within 6 months), Carbon Black EDR, Linux, incident response, enterprise networks.
Carbon Black Endpoint Detection and Response (EDR), Linux, Windows Enterprise Active Directory (AD), VMware, AWS
2mo
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Lead, Site Reliability Engineer
O'Fallon, Missouri, United States
$122k-$207k/yr OnsiteFull Time
Lead SRE with expertise in F5 load balancers, observability (Splunk, Dynatrace), automation, CI/CD, DevOps, Linux/Unix, networking, cloud/hybrid infrastructure, and mentoring.
F5 load balancer, Splunk, Dynatrace, Python, Go, Bash, Linux, Cloud, Containers, CI/CD, DevOps
2mo
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Cyber Security Engineer - NSS Tools
St. Louis, Missouri, United States
$75k-$158k/yr OnsiteFull Time
7+ YOEActive TS/SCI clearance, DOD 8570 IAT II and CSSP Infrastructure Support, 7+ years experience, Linux system administration, shell scripting, logging and networking, familiarity with AWS, Ansible, and GitHub/GitLab; Bachelor's degree required.
Linux, shell scripting, tcpdump, Traceroute, Ping, Netstat, nslookup, EC2, S3, CloudFormation, Terraform, Ansible, GitHub, GitLab, SEIM
1mo
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AI Solutions Architect - Central Region
Chicago or Detroit or Minneapolis or St. Louis or Kansas City or Omaha or Columbus or Tulsa or Nashville or Austin
$185k-$235k/yr FieldFull Time
10+ YOE10+ years in technical pre-sales/solutions architecture; hands-on AI/ML infrastructure design across GPU, storage, networking and MLOps; NVIDIA and cloud platform experience; bachelor's degree required; strong presentation and whiteboarding skills.
NVIDIA DGX, NVIDIA HGX, CUDA, AI Enterprise, NeMo, Omniverse, Advanced Technology Center (ATC), AWS, Azure, GCP, Dell, HPE, Cisco, NetApp, Pure Storage, Vast Data, MLOps
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