Senior Network Engineer - Data Center & Security

Xcelerate Solutions; Bethesda (MD); On-site; USD 140,000 - 190,000; Full time

Job summary

Xcelerate Solutions in Bethesda, MD is seeking a Senior Network Engineer to lead the design, implementation, and sustainment of our complex data center and enterprise networks. The role requires hands-on Cisco ACI, Nexus, and Catalyst experience, with strong TCP/IP knowledge and DoD security awareness.

On-site work in Bethesda with TS/SCI clearance at times is expected. You will mentor engineers, coordinate cross-functional teams, and ensure high availability, security, and performance across

Qualifications

• Bachelor’s degree required with 8+ years of relevant experience.
• Experience designing, implementing, and maintaining data center network architectures with focus on scalability, redundancy, and security.
• Hands-on experience with Cisco ACI, Nexus, and Catalyst platforms (config, monitoring, troubleshooting).
• Strong knowledge of TCP/IP, DNS, DHCP, OSPF, BGP, VLANs, HSRP, SNMP, and multicast protocols.
• Proficiency with network monitoring and ITSM tools such as ServiceNow, SolarWinds, and NetBox.

Responsibilities

• Provide senior-level technical expertise in design, implementation, and sustainment of highly available, scalable, and secure data center and enterprise network environments.
• Lead planning and integration of LAN/WAN infrastructure across on-premises, cloud, and external mission networks.
• Provide leadership in configuration and optimization of Cisco ACI, routers, switches, firewalls, and load balancers.
• Monitor network health and performance using ServiceNow, SolarWinds, NetBox, and PRTG, and coordinate incident resolution.
• Develop contingency and continuity plans to minimize service disruptions during outages and maintenance events.
• Provide technical oversight of network standards, cabling, patch management, and data center operations.
• Coordinate with IT, Systems Engineering, Cybersecurity, and Applications teams for cross-functional projects.

Skills

Network design

Data center networking

Team leadership

Technical troubleshooting

Education

Bachelor’s degree

Tools

Cisco ACI

Nexus

Catalyst platforms

ServiceNow

SolarWinds

NetBox

PRTG

Job description

Xcelerate Solutions in Bethesda, MD is seeking a Senior Network Engineer to lead the design, implementation, and sustainment of our complex data center and enterprise networks. The role requires hands-on Cisco ACI, Nexus, and Catalyst experience, with strong TCP/IP knowledge and DoD security awareness.

On-site work in Bethesda with TS/SCI clearance at times is expected. You will mentor engineers, coordinate cross-functional teams, and ensure high availability, security, and performance across