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22 network infrastructure engineer jobs at 17 companies in O'Fallon, MO

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Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
Help us #BeatIndeed & #BeatLinkedIn
3mo
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Senior Network Infrastructure Specialist
Scott AFB, Illinois, United States
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
4+ YOEBA/BS +4 years in network engineering; DoD Secret clearance with TS/SCI eligibility; IAT II certs; Computing Environment certs; DoD network experience; routing, IPv6, VPN, WAN; MS Office; strong documentation.
OSPF, BGP, IPv6, VPN, DNS, SMTP, VLAN, Cisco, Splunk, McAfee, Microsoft Office
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3mo
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Senior Network Infrastructure Specialist
Scott Air Force Base, Illinois, United States
$80k-$120k/yr OnsiteFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
4+ YOEBA/BS with 4+ years in network engineering; DoD Secret clearance with TS/SCI potential; IAT Level II certs; computing environment certs; DoD network security experience; routing protocols, IPv6, VPN, WAN; MS Office; documentation; strong communication.
OSPF, BGP, IPv6, VPN, DNS, SMTP, VLAN, Cisco, Microsoft Office, Visio, Excel
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2d
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Infrastructure Engineer
Saint Ann, Missouri, United States
$80k-$100k/yr OnsiteFull Time
Save A Lot
Save A Lot: Operates discount grocery stores and provides wholesale food distribution.
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
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1mo
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Infrastructure Engineer
St. Louis, Missouri, United States
OnsiteFull Time
Lutheran Church Extension Fund
Lutheran Church Extension Fund: Provides financial solutions and investment services for church ministries.
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
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2w
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AI & HPC Infrastructure Engineer
St. Louis, Missouri, United States
HybridFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
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
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1w
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Voice Network Engineer
Belleville, Illinois, United States
OnsiteFull Time
Abacus Technology
Abacus Technology: Provides professional IT and engineering services to government agencies.
5+ YOEUS citizen with Top Secret clearance, CCNP Collaboration, bachelor’s degree, 5+ years VoIP/telecommunications experience, hands-on Cisco CUCM/Unity and SIP experience, and physical network infrastructure knowledge.
Cisco Unified Call Manager (CUCM), Cisco Unity, Ribbon VX900, Cisco Unified Border Elements, Session Border Controllers, SIP, Asterik, Call Manager Express, SRST, Cisco VoIP, Call Manager
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2d
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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
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
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
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1d
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Associate Software Engineer- Infrastructure
Atlanta or Charleston or Charlotte or Chicago or Columbus or Dallas or Denver or Detroit or Houston or Indianapolis or Las Vegas or Madison or Orlando or Phoenix or Pittsburgh or Portland or Salt Lake City or St. Louis
$98k-$123k/yr RemoteFull Time
New Relic
New Relic: Provides an observability platform for monitoring and improving software performance.
3+ YOE3+ years with Go or Python, 3+ years AWS experience, CI/CD tooling (GitHub Actions/Jenkins), networking (DNS/HTTP/TCP), Kubernetes, infrastructure-as-code (Terraform).
Go, Python, AWS, GitHub Actions, Jenkins, DNS, HTTP, TCP, Kubernetes, Terraform, Envoy, New Relic, Prometheus, OpenTelemetry, Azure
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1mo
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Grid Solutions Engineer
St. Louis, Missouri, United States
$84k-$204k/yr HybridFull Time
Ameren
AmerenNYSE: AEE: Generates and distributes electric and natural gas utility services.
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
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3mo
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Senior DevOps Engineer
Chicago or Dallas or Champaign or Kansas City or St. Louis
$132k-$155k/yr HybridFull Time
Aviatrix
Aviatrix: Provides secure multi-cloud networking and cloud-native network security.
5+ YOE5+ years DevOps/infrastructure experience; Terraform expertise; AI/LLM integrations; MCP; CI/CD platforms; cloud (AWS/GCP/Azure); strong networking knowledge.
Terraform, AWS, GCP, Azure, Kubernetes, GitHub Actions, GitLab CI, Jenkins, CircleCI, ArgoCD, Flux, Python, Bash, Go, Datadog, Prometheus, Grafana, OpenTelemetry, Model Context Protocol, LLM APIs
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2w
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Jr DevOps Engineer
Springfield or St. Louis
FieldFull Time
Abile Group
Abile Group: Provides IT, cybersecurity, and program management services to government agencies.
2+ YOETS/SCI clearance with CI poly, Bachelor's in CS/Engineering or equivalent, 2+ years experience, container platform experience (Kubernetes/Docker/OpenShift), GitLab, Python/Bash/Shell, CI/CD, network and on-prem infrastructure knowledge.
Kubernetes, Docker, OpenShift, GitLab, Python, Bash, Shell, Helm, Jira, Confluence
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1w
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DevOps Engineer
Springfield or St. Louis
$145k-$165k/yr OnsiteFull Time
GRVTY
GRVTY: Develops defense technology, cyber, and intelligence software solutions.
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
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2w
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Senior DevOps Engineer
St. Louis, Missouri, United States
$165k-$175k/yr OnsiteFull Time
D2 Consulting
D2 Consulting: Provides IT engineering and cybersecurity services to federal agencies.
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
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2w
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DevOps Engineer, Sr
Springfield or St. Louis
$139k-$187k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
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
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1w
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Cyber Data Analysis Engineer 718
St. Louis or Springfield
OnsiteFull Time
Freedom Technology Solutions Group
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
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
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1mo
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Endpoint Security Engineer III
Springfield or St. Louis
$75k-$158k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
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
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2mo
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Lead, Site Reliability Engineer
O'Fallon, Missouri, United States
$122k-$207k/yr OnsiteFull Time
Mastercard
MastercardNYSE: MA: Global payment processing and financial technology service provider.
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
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2mo
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Cyber Security Engineer - NSS Tools
St. Louis, Missouri, United States
$75k-$158k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
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
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3w
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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
World Wide Technology
World Wide Technology: Global technology solutions provider and systems integrator.
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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