Business Consultant, Networks & Telecommunication

EPAM Systems; Polska; On-site; PLN 180,000 - 280,000; Full time

Job summary

EPAM Systems seeks an experienced Business Consultant to serve as the lead engineer for a global Cisco ACI fabric, owning architecture, security, product and service design, automation and innovation across production datacenter environments.

Responsibilities include defining service offerings (Bronze/Silver/Gold), delivering automated deployments with Terraform and Ansible, and building migration tooling in Python.

Qualifications

• Expertise in Cisco ACI fabric architectures (Multi-Pod, Multi-Site, ESG, PBR Service Graphs).
• Strong knowledge of VXLAN, vPC and Nexus 9K/7K/5K networking.
• Proficiency with F5 BIG-IP and Citrix NetScaler ADC technologies.
• Fluent English (C2) and collaboration across global teams.

Responsibilities

• Lead engineering for a global Cisco ACI fabric across production datacenters.
• Define product descriptions and tiered service offerings with explicit SLOs.
• Build IaC pipelines (Terraform, Ansible) for Day-1/Day-2 provisioning and automation.
• Develop Python tooling for tenant migrations and configuration generation.
• Ensure high fabric availability and CVE patch timelines.

Skills

Cisco ACI

Networking

English (C2)

F5 BIG-IP

Citrix NetScaler

Terraform

Ansible

Python

Tools

Terraform

Ansible/AWX

Python

GitLab CI/CD

GitHub Actions

Azure DevOps Pipelines

F5 BIG-IP

Citrix NetScaler

Job description

We are seeking an experienced Business Consultant to serve as lead engineer for a global Cisco ACI fabric, owning architecture, security, product and service design, automation and innovation across production datacenter environments.

Responsibilities

• Lead engineering for a global Cisco ACI fabric, owning architecture, security, product and service design, automation and innovation across production datacenter environments.
• Definition of product descriptions and tiered service offerings for ADC and DCLAN services (Bronze/Silver/Gold), including explicit SLOs for availability, failover time and change-request lead time.
• Maintain service catalog alignment to business consumption models.
• Design and implementation of secure incident recovery environments using ACI VRF remap as the containment primitive to enable isolated failover testing across Firepower, FortiGate and F5 without production impact.
• Identify and document platform constraints impacting VRF remap behavior.
• Architect and deliver F5 BIG-IP Dual-PBR No-SNAT migrations on ACI 6.0, producing validated configuration bundles, automated deployment scripts and validation documentation.
• Drive ACI ESG micro-segmentation strategy and migration execution, including phased contract design; build Python tooling for tenant migration validation and configuration generation.
• Design of Cilium BGP L3Out integration for Kubernetes workloads on ACI, including BFD tuning for VMware compatibility and route-map controls to prevent pod CIDR leakage into the fabric VRF.
• Build hybrid IaC pipelines (Terraform Day-1, Ansible/AWX Day-2) for F5 BIG-IP LTM/SSL services with tiered service models and ServiceNow-triggered provisioning.
• Ensure operational excellence by sustaining high fabric availability, reducing unscheduled outages, meeting aggressive CVE patch timelines and maintaining strong zero-trust segmentation audit scores.

Requirements

• Minimum 5 years of experience in networks and telecommunication engineering within production datacenter environments.
• Expertise in Cisco ACI (Multi-Pod, Multi-Site, ESG, PBR Service Graphs, APIC REST API).
• Knowledge of Nexus 9K/7K/5K, VXLAN and vPC.
• Proficiency in F5 BIG-IP (LTM, GTM/DNS, iRules, PBR, DSR, SNAT/No-SNAT).
• Skills in Citrix NetScaler load balancing and ADC technologies.
• Advanced proficiency in English (C2).
• Nice to have: Familiarity with Terraform, Ansible/AWX and Python; Background in GitLab CI/CD, GitHub Actions and Azure DevOps Pipelines.