Job Description
Role Overview
We are seeking a highly experienced and self-driven Senior Network Engineer to lead the design, implementation, and optimization of enterprise-level network infrastructure. The ideal candidate should possess deep hands-on expertise in Cisco Routing & Switching, Firewalls, Cisco SD-WAN, Cisco DNA Center (DNAC), and Wireless LAN Controllers (WLCs). This role demands a proactive approach to network performance, security, and scalability across large and complex environments.
Key Responsibilities
- Design and deploy robust network architecture using Cisco routing, switching, and wireless technologies.
- Lead the configuration, troubleshooting, and optimization of Cisco routers and switches (OSPF, BGP, EIGRP, HSRP, QoS).
- Plan, implement, and manage Cisco SD-WAN solutions (vManage, vSmart, vBond) for secure and scalable WAN connectivity.
- Operate and maintain Cisco DNA Center (DNAC) for network automation, assurance, telemetry, and Software-Defined Access (SD-Access).
- Manage and troubleshoot Wireless LAN Controllers (WLCs) and associated Access Points (APs), ensuring optimal wireless performance.
- Administer and secure perimeter and internal network using Cisco ASA / Firepower NGFW (ACLs, NAT, VPN, IPS/IDS).
- Lead incident response, root cause analysis (RCA), and implement permanent corrective actions.
- Collaborate with security, cloud, and server teams for integrated IT infrastructure deployments.
- Create and maintain high-quality network documentation including topologies, IP schemas, and SOPs.
- Stay updated with the latest in Cisco technologies and recommend best practices for continuous improvement.
Required Technical Skills
- Cisco Routing & Switching: Deep understanding and hands-on experience with Layer 2/3 protocols (VLANs, STP, HSRP, VRRP, OSPF, BGP, etc.)
- Cisco SD-WAN: Deployment, management, policy configuration, and monitoring via vManage.
- Cisco DNAC: Experience with automation templates, device provisioning, assurance, and analytics.
- Wireless Technologies: Strong experience with Cisco WLCs (e.g., 9800 series), RF tuning, SSID provisioning, and wireless security.
- Firewalls: Proficiency in Cisco Firepower / ASA with experience in NAT, site-to-site VPNs, remote access VPNs, and firewall rule management.
- Monitoring & Tools: Experience with SNMP, NetFlow, Syslog analysis, tools like SolarWinds, PRTG, or Cisco Prime Infrastructure.
- Familiarity with network segmentation, zero-trust principles, and network access control (NAC) solutions.
Soft Skills & Expectations
- Strong analytical and troubleshooting skills in complex environments.
- Ability to lead projects independently and mentor junior team members.
- Effective communicator โ able to convey technical information clearly to both technical and non-technical stakeholders.
- Proficient in documentation, change management, and risk assessment.
- Comfortable working in 24x7 mission-critical environments (with possible on-call support).
Education & Certifications
- Bachelorโs degree in Computer Science, Information Technology, or a related field.
- Mandatory Certifications: CCNP Enterprise or equivalent.
- Preferred Certifications: CCNP Security, Cisco SD-WAN Specialist, Cisco Certified DevNet Associate/Professional, or progress toward CCIE.
Nice to Have
- Experience with Cisco ISE and integration with DNAC for access policy enforcement.
- Exposure to cloud networking (AWS, Azure) and hybrid network models.
- Knowledge of scripting (Python), REST APIs, or automation tools (Ansible, Terraform) for network automation.