Senior Network Engineer
Smart IMS•Mechanicsville, VA
•Onsite
About The Position
As a Senior Network Engineer, you will be responsible for the design, implementation, support, and optimization of enterprise network infrastructure. This role requires deep expertise in routing, switching, firewalls, SD-WAN, cloud networking, and network security to ensure high availability, scalability, performance, and reliability across complex enterprise environments.
Requirements
- Strong hands-on experience with enterprise routers, switches, firewalls, VPN concentrators, wireless access points, and load balancers.
- Extensive experience designing, implementing, and troubleshooting enterprise LAN and WAN environments.
- Demonstrated expertise with networking protocols and technologies including OSPF, BGP, EIGRP, VLANs, 802.1Q, HSRP, QoS, MPLS, IPsec, RADIUS/TACACS+, SNMP, and EtherChannel.
- Experience working with SD-WAN technologies and hybrid network architectures.
- Strong knowledge of cloud networking concepts and connectivity architectures.
- Experience monitoring network performance, capacity, security, and availability metrics.
- Experience creating network topology and architecture diagrams using tools such as Microsoft Visio.
- Strong troubleshooting, analytical, documentation, and problem-solving skills.
- Experience implementing fault-tolerant, scalable, secure, and highly available network infrastructures.
- Industry networking certification such as Cisco CCNA, Cisco CCNP, Juniper JNCIA/JNCIS, or equivalent required.
Responsibilities
- Design, implement, configure, and support enterprise network infrastructure including routers, switches, firewalls, VPNs, wireless networks, and load balancers.
- Troubleshoot and resolve complex network performance, connectivity, and infrastructure issues.
- Monitor network health, availability, capacity, and performance to ensure optimal operations.
- Develop and maintain network architecture diagrams, IP addressing schemes, firewall rules, and technical documentation.
- Collaborate with infrastructure, cloud, security, and DevSecOps teams to support hybrid and cloud-connected environments.
- Support SD-WAN implementation, optimization, and troubleshooting activities.
- Assist with installation, upgrades, maintenance, and lifecycle management of network infrastructure.
- Ensure compliance with security standards, architecture policies, and operational best practices.
- Perform disaster recovery planning, fault tolerance design, and network resiliency improvements.
- Work independently on network projects and provide recommendations for infrastructure modernization and optimization.
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What This Job Offers
Career Level
Senior
Education Level
No Education Listed
