Senior Network Security Engineer

As an L3 Network Engineer , you will act as the technical escalation point for network issues, leading the design, implementation, and troubleshooting of complex network infrastructures. You’ll work on enterprise-grade routing, switching, LAN / WAN, VPN, firewall, and data-center networking. Your role will also involve collaborating with cross-functional teams, mentoring junior engineers, and driving process improvements.

About Us

RVS iGlobal is a White Label Tech Support company offering 24x7x365 infrastructure and network services to mid-sized and large IT businesses around the world. We partner with Tech Providers, MSPs, Cloud Service Providers, and SaaS vendors. With operations in Europe and India, we provide cost-effective, high-quality solutions without compromising on reliability or professionalism. Our teams are certified, experienced, and deeply client-aligned.

Key Responsibilities

Troubleshoot and resolve complex L3 networking problems (e.G., BGP, OSPF, MPLS, SD-WAN).

Design, configure, and maintain core network devices (routers, switches) and firewalls (Cisco, Fortinet, Palo Alto, etc.).

Implement and manage VPN solutions (IPSec, SSL VPNs, DMVPN).

• Monitor and optimize network performance;

use network monitoring tools (like PRTG) for health checks, alerts, and capacity planning.

Perform firmware or OS upgrades on network devices, ensuring minimal disruption.

Perform root-cause analysis for recurring network issues and document resolutions to prevent future incidents.

Create, maintain, and audit network documentation : diagrams, configuration backups, runbooks, change records.

Develop and enforce network security policies and best practices.

Mentor and support L1 / L2 network engineers, providing technical guidance and training.

Lead network infrastructure projects : upgrades, migrations, network deployments in data center or branch environments.

Qualifications

Bachelor’s degree in Computer Science, IT, or related field.

5+ years of hands-on experience in network engineering, particularly with L3 (routing / switching) support.

Deep understanding of TCP / IP, VLANs, MPLS, BGP, OSPF, and other routing protocols.

Experience with enterprise firewalls (Cisco, Fortinet, etc.).

Proven skills in configuring and managing VPNs (site-to-site, remote VPN).

Hands-on experience with network monitoring tools (such as PRTG or similar).

Certification such as CCNP, CCIE, or equivalent strongly preferred.

Excellent problem-solving, analytical, and communication skills.

Willingness to work with cross-functional teams and mentor junior staff.

Experience in maintaining network documentation and configuration backups.

Benefits

Competitive salary

Annual performance bonus

Health insurance

Provident fund / retirement benefits

Paid time off + flexible working

Professional development support (certifications, training)

Team events, outings, and a collaborative work culture

Apply : jobs@rvsiglobal.co.uk