OneMain Financial Jobs

Overview

We are seeking an experienced Network Engineer with a strong background in data center, hosting, and cloud networking. The ideal candidate will have 3–5 years of hands-on experience in network engineering and at least 1–2 years in web or cloud hosting environments. This role requires advanced troubleshooting abilities, strong customer communication, and the ability to work in a dynamic, SLA-driven environment.

Key ResponsibilitiesNetworking Operations

• Manage and maintain enterprise-grade network environments across data center, hosting, and cloud infrastructures.

• Configure, deploy, and troubleshoot routing protocols including BGP, OSPF, and MPLS.

• Implement and support VPN technologies such as IPSec, SSL, GRE, site-to-site, and remote access VPNs.

• Work with switching technologies, including STP, EtherChannel, and VXLAN.

• Perform network segmentation, optimization, and security hardening.

Hosting & Data Center Networking

• Administer DNS services (Bind, PowerDNS, Anycast).

• Manage hosting protocols, including HTTP(S), SMTP, and FTP/SFTP in production environments.

• Configure and maintain load balancers such as Nginx, HAProxy, or hardware-based LB (F5, Citrix).

• Support multi-tenant environments with isolated client networking.

Cloud Networking

• Design and manage VPCs, subnets, peering, NAT gateways, and VPN gateways.

• Work with cloud networking tools across AWS, Azure, VMware NSX, or similar.

• Support hybrid connectivity between on-prem and cloud infrastructures.

Network Security

• Administer enterprise firewalls, including Cisco ASA/FTD, Fortinet, Palo Alto, etc.

• Support DDoS mitigation strategies and basic WAF implementation.

• Configure IDS/IPS tools and participate in security monitoring and triage.

• Apply Zero-Trust principles and segmentation strategies.

Automation & Monitoring

• Create scripts and automation using Python, Bash, or Ansible.

• Manage monitoring and event systems such as Zabbix, Nagios, Grafana, ELK, etc.

• Build reporting dashboards and proactive alerting systems.

Troubleshooting & Support

• Perform deep-dive diagnostics using packet captures, traceroute, Wireshark, etc.

• Handle Level 3 escalations from NOC and customer operations.

• Work within 24/7 operations, rotation, and shift-based schedules.

Required Skills & Qualifications

• Experience: 3–5 years in networking, with exposure to hosting or cloud-based environments.

• Certifications:

One or more of the following is required:

• CCNA R&S (EI), CCNP R&S (EI)

• CCNA DC, CCNP DC

• JNCIA-Junos, JNCIS-ENT/SP, JNCIP-ENT

• Vendor Experience:

Hands-on experience with:

• Cisco Catalyst & Nexus

• Juniper EX / QFX / MX series

Preferred experience with:

• Arista or Mellanox data center switches

Soft Skills

• Strong English communication skills, especially for client-facing roles.

• Ability to explain complex network issues to technical and non-technical stakeholders.

• Strong documentation skills for configurations, SOPs, and incident reporting.

• Team player, adaptable, and comfortable working in a fast-paced hosting ecosystem.

• Ability to work across multiple time zones.

Work Environment

• Global hosting and cloud infrastructure environment.

• SLA-driven operations with direct customer impact.

• Positive and collaborative international culture with strong team support.

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