Senior Network Engineer

Job Description Summary:

We are seeking an experienced and highly skilled Senior Network Engineer for our client. The Engineer will be responsible for designing, implementing, and maintaining enterprise network infrastructure with a focus on routing and switching technologies. This role involves leading initiatives to enhance network performance, security, and scalability while ensuring high availability. Candidates must have strong technical expertise, excellent problem-solving skills, and the ability to work in a fast-paced environment while ensuring seamless connectivity and network optimization.

Key Duties & Responsibilities

• Design, implement, and manage enterprise routing and switching infrastructure.
• Configure and troubleshoot Cisco, Juniper, and other networking platforms.
• Develop and maintain High-Level Design (HLD), Low-Level Design (LLD), and As-Built documentation.
• Optimize network traffic flow, redundancy, and failover mechanisms.
• Monitor and analyze network performance, identifying and resolving bottlenecks.
• Implement and maintain IP routing protocols such as BGP, OSPF, EIGRP, and IS-IS.
• Configure and troubleshoot Layer 2 and Layer 3 switching, VLANs, and spanning tree protocols.
• Ensure Quality of Service (QoS) is applied to prioritize critical applications.
• Implement network security measures, including ACLs, firewalls, and segmentation.
• Work with service providers and data centers to ensure optimal WAN connectivity.
• Perform network capacity planning and recommend infrastructure upgrades.
• Automate network tasks using Python, Ansible, or other automation tools.
• Collaborate with cross-functional teams to integrate network solutions into enterprise environments.
• Ensure compliance with industry standards and best practices for network security and performance.
• Provide mentorship and technical guidance to junior network engineers.

Requirements:

Skills and Experience (3+ years required):

• Extensive experience with Cisco Routing & Switching (Catalyst, Nexus, ISR, ASR, etc.)
• Strong knowledge of IP routing protocols (BGP, OSPF, EIGRP, IS-IS).
• Experience with Layer 2 switching, VLANs, STP, and EtherChannel.
• Knowledge of MPLS, VPN technologies, and WAN optimization.
• Experience working with load balancers and SDN solutions.
• Familiarity with network security best practices, including ACLs, firewalls, and segmentation.
• Hands-on experience with network monitoring tools such as SolarWinds, Wireshark, and NetFlow.
• Experience in troubleshooting high-performance networks in complex environments.
• Working knowledge of cloud networking (Azure, AWS, or Google Cloud) is preferred but not essential.
• Strong scripting and automation skills using Python, Ansible, or PowerShell.

Desirable Certifications / Skills / Experience:

• CCNP Enterprise or Higher
• CCIE Routing & Switching (preferred but not essential)
• JNCIP/JNCIE (Juniper certifications are a plus)
• VoIP Experience (Advantageous)
• Cisco SD-WAN Specialist Certification
• Experience with data center networking and fabric architectures
• Presales or solution architecture experience (preferred but not essential)

Attributes:

• Strong analytical and problem-solving skills.
• Ability to work effectively in high-pressure situations.
• Detail-oriented with excellent documentation skills.
• Team player with strong interpersonal and communication skills.
• Willing to work outside normal business hours when required.
• Self-motivated and eager to learn new technologies.
• Ability to manage multiple projects and meet strict deadlines.
• Strong commitment to continuous learning and professional development.