Network Engineer

Job Title: Senior Network Engineer

About the Role

We are seeking a Senior Network Engineer to design, implement, secure, and support enterprise network infrastructure across LAN/WAN/WiFi, datacenters, and cloud connectivity. This role requires deep technical expertise, strong troubleshooting skills, and the ability to lead network initiatives from planning through execution.

Key Responsibilities

Design, implement, and maintain enterprise network infrastructure (LAN/WAN/WLAN).

Manage and optimize routing and switching environments (SDWAN,SDA,BGP, OSPF, EIGRP, VLANs, STP, HSRP/VRRP).

Configure and support firewalls, VPNs, and network security controls.

Lead network upgrades, migrations, and major infrastructure projects.

Support and troubleshoot network performance issues and outages (root cause analysis).

Monitor network health using tools like SolarWinds / ThousandEyes (or similar).

Maintain network documentation: diagrams, IP schema, standards, and runbooks.

Work with service providers for circuit turn-ups, troubleshooting, and escalations.

Ensure high availability, redundancy, and disaster recovery readiness.

Mentor junior engineers and provide technical guidance.

Participate in on-call rotation and support after-hours maintenance activities.

Cloud Networking (AWS / Azure)

Design and support cloud network architecture including:

o AWS VPC / Transit Gateway / Route Tables / NACLs / Security Groups

o Azure VNet / VNet Peering / UDR / NSGs / Cloud Firewall

Implement secure hybrid connectivity:

o IPsec site-to-site VPN

o AWS Direct Connect / Azure ExpressRoute

Implement cloud segmentation and secure routing patterns for CUI environments.

Support cloud security integrations:

o Centralized logging/monitoring

o Network traffic visibility and alerting

Partner with cloud engineering teams to ensure compliant connectivity for workloads handling CUI

Required Qualifications

Bachelor’s degree in IT/Computer Science or equivalent work experience.

10+ years of hands-on enterprise network engineering experience.

Strong knowledge of:

o Routing and switching (Cisco)

o TCP/IP, subnetting, DNS, DHCP, InfoBlox

o WAN technologies (DMVPN, SD-WAN, DIA, broadband)

o Wireless networking (Cisco/Meraki)

Experience with:

o Firewalls (Palo Alto / Cisco ASA/FTD)

o VPN (site-to-site, remote access)

o Network segmentation and security best practices

Strong troubleshooting skills using packet capture tools (Wireshark/tcpdump).

Excellent communication and stakeholder management skills.

Preferred Qualifications

Experience with SD-WAN (Viptela, etc.)

Cloud networking experience: AWS / Azure / OCI

o VPC/VNet design, VPN, Direct Connect/ExpressRoute

Automation experience (Python, Ansible, Terraform, API-based networking).

Experience with NAC solutions (Cisco ISE, ClearPass).

Knowledge of compliance/security frameworks (NIST, CMMC, ISO 27001).

Certifications preferred:

o CCNP / CCIE (Enterprise/Security)

o PCNSE / NSE