Devops/Infrastructure #1050711

Fasttek; Hoffman Estates (IL); On-site; USD 110,000 - 170,000; Full time

Job summary

FastTek Global is seeking a DevOps/Infrastructure specialist to harden and automate our on-premises Kubernetes platform, with cloud integration and AI-assisted operations. The role focuses on Istio, Flannel, kube-proxy and CoreDNS, plus MCP-enabled AI tooling.

You will work in a small team to implement improvements, debug intermittent service issues, and test AI-driven remediation, while coordinating with incident tooling and observability stacks.

Qualifications

• Istio service mesh: Deep troubleshooting, sidecar injection, mTLS, Envoy proxy debugging
• Flannel CNI: VXLAN/host-gw, overlay network debugging, MTU configuration
• kube-proxy: iptables/IPVS modes, service endpoint sync issues, conntrack debugging
• CoreDNS: Performance tuning, query debugging, NodeLocal DNSCache
• Tools: tcpdump, Wireshark, packet analysis, distributed tracing (Jaeger)
• AI-Enhanced Operations with MCP
• MCP Integration: Build and deploy Model Context Protocol (MCP) servers for infrastructure operations
• Custom MCP Servers: Create MCP servers for Kubernetes API access, log querying, metrics retrieval, incident management
• AI-Powered Troubleshooting: Connect Claude/LLMs to infrastructure via MCP for real-time diagnostics and remediation
• Intelligent Automation: Build MCP-enabled AI agents for automated log analysis, anomaly detection, root cause analysis
• Operational AI Assistants: Deploy MCP servers connecting AI to GitLab, Jira, Slack, PagerDuty for incident orchestration
• Infrastructure Query Interface: Create MCP servers exposing Prometheus, Elasticsearch, Kubernetes APIs to AI assistants
• Self-Service Tools: Build AI-powered interfaces using MCP for team members to query infrastructure state

Responsibilities

• Build and optimize enterprise on-premises Kubernetes infrastructure with strategic cloud integration
• Immediate priority: Debug intermittent service communication failures in Istio + Flannel + kube-proxy environment
• Leverage AI tools and MCP servers to enhance troubleshooting and operations
• Work with a small unit alongside senior member to test AI improvement suggestions and test outcomes

Skills

Istio service mesh

Flannel CNI

kube-proxy

CoreDNS

tcpdump

Wireshark

Jaeger

AI-Enhanced Operations

MCP Integration

Custom MCP Servers

AI-Powered Troubleshooting

Intelligent Automation

Operational AI Assistants

Infrastructure Query Interface

Self-Service Tools

Tools

Kubernetes

Envoy

Job description

Hoffman Estates, Illinois Devops/Infrastructure #1050711

Job Description:

• We have identified improvements required in our backend code and infrastructure.
• We are planning to use AI to implement these improvements, hence the team will work a small unit (together with senior member from existing team) in parallel to the regular dev team to try AI improvement suggestions and test the outcomes.
• Build and optimize enterprise on-premises Kubernetes infrastructure with strategic cloud integration.
• Immediate priority: Debug intermittent service communication failures in Istio + Flannel + kube-proxy environment.
• Leverage AI tools and MCP servers to enhance troubleshooting and operations.

Skills Required

Networking (Production Issue)

• Istio service mesh: Deep troubleshooting, sidecar injection, mTLS, Envoy proxy debugging
• Flannel CNI: VXLAN/host-gw, overlay network debugging, MTU configuration
• kube-proxy: iptables/IPVS modes, service endpoint sync issues, conntrack debugging
• CoreDNS: Performance tuning, query debugging, NodeLocal DNSCache
• Tools: tcpdump, Wireshark, packet analysis, distributed tracing (Jaeger)
• AI-Enhanced Operations with MCP
• MCP Integration: Build and deploy Model Context Protocol (MCP) servers for infrastructure operations
• Custom MCP Servers: Create MCP servers for Kubernetes API access, log querying, metrics retrieval, incident management
• AI-Powered Troubleshooting: Connect Claude/LLMs to infrastructure via MCP for real-time diagnostics and remediation
• Intelligent Automation: Build MCP-enabled AI agents for automated log analysis, anomaly detection, root cause analysis
• Operational AI Assistants: Deploy MCP servers connecting AI to GitLab, Jira, Slack, PagerDuty for incident orchestration
• Infrastructure Query Interface: Create MCP servers exposing Prometheus, Elasticsearch, Kubernetes APIs to AI assistants
• Self-Service Tools: Build AI-powered interfaces using MCP for team members to query infrastructure state

Additional Information:

At FastTek Global, Our Purpose is Our People and Our Planet. We come to work each day and are reminded we are helping people find their success stories.Also, Doing the right thing is our mantra. We act responsibly, give back to the communities we serve and have a little fun along the way.

We have been doing this with pride, dedication and plain, old-fashionedhard work for 24 years!

FastTek Global is a financially strong, privately held company that is 100% consultant and client focused, operating in nearly half of the states in the U.S., Europe and India.

We've differentiated ourselves by being fast, flexible, creative and honest. Throw out everything you've heard, seen, or felt about every other IT Consulting company. We do unique things and we do them for Fortune 10, Fortune 500, and technology start-up companies.

Our benefits are second to none and thanks to our flexible benefit options you can choose the benefits you need or want, options include:

• Medical and Dental (FastTek pays majority of the medical program)
• Vision
• Personal Time Off (PTO) Program
• Long Term Disability (100% paid)
• Life Insurance (100% paid)
• 401(k) with immediate vesting and 3% (of salary) dollar-for-dollar match

Plus, we have a lucrative employee referral program and an employee recognition culture.

FastTek Global was named one of the Top Work Places in Michigan by the Detroit Free Press in 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, and 2023!

To view all of our open positions go to: https://www.fasttek.com/fastswitch/findwork

Follow us on Twitter: https://twitter.com/fasttekglobal

Follow us on Instagram: https://www.instagram.com/fasttekglobal

Find us on LinkedIn: https://www.linkedin.com/company/fasttek

You can become a fan of FastTek on Facebook: https://www.facebook.com/fasttekglobal/

AI & Hiring Disclosure

We use AI tools to support parts of our hiring process, such as reviewing applications and identifying potential matches. These tools are designed to promote efficiency, consistency, and fairness, and they are always used under human oversight.

All personal data collected is used solely for recruitment purposes, and you have the right to know, access, or request deletion of your data at any time, subject to legal limits.

If AI will be used in a video interview, you'll be informed in advance and asked for your consent, with the option to opt out.

Our tools are regularly reviewed to detect potential bias and to ensure compliance with all applicable laws and our commitment to inclusive hiring.

To learn more or exercise your rights, please contact us at [e-mail].