Senior Network Engineer

DXC Technology•Charleston, SC

About The Position

The Senior Network Engineer designs, implements, and operates global network infrastructure across on-premises data centers and AWS cloud environments. The role applies deep expertise in networking, routing, switching, security, connectivity, WAN/LAN, VPNs, firewalls, and cloud network architecture to maintain secure, resilient, and high-performing environments. The engineer also drives complex project execution and uses data to guide decisions and improvements. The role collaborates with systems, cloud, security, operations, and application teams; manages vendor relationships; automates network tasks; troubleshoots connectivity and performance issues; and documents network designs, configurations, topologies, and processes. DXC Technology describes its work model as prioritizing in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances.

Requirements

7–10 years of experience engineering and administering global network environments.
Deep expertise in TCP/IP, subnetting, routing protocols, switching, DNS, DHCP, and QoS.
Hands-on experience with VPN and tunneling technologies, including site-to-site VPN design, implementation, and troubleshooting.
Experience installing, configuring, and managing enterprise firewalls.
Experience with network monitoring platforms and packet-level tracing and analysis using tools such as Wireshark.
Experience designing and managing network infrastructure in on-premises data centers and AWS, including VPCs, VPC peering, CIDR planning, route tables, and hybrid connectivity.
Experience working with Cisco and other network equipment vendors, including hardware deployment, configuration, and support escalation.
Extensive experience working in CLI environments.
Ability to drive complex project execution with multiple stakeholders.
Excellent data analysis and advanced Excel skills.
Strong written and verbal communication skills, including the ability to articulate ideas clearly in varied contexts and through multiple mediums.
Strong problem-solving skills and a commitment to continuous improvement.
Familiarity with ITIL or other service management frameworks.
Proven experience directly and indirectly leading engineering teams and projects.
Ability to learn and understand new technologies, products, software, and deployments quickly and independently.
Bachelor's degree (4-year) required.

Nice To Haves

Scripting experience with Python, Bash, PowerShell, Ansible, or similar.
Relevant Cisco certification (CCNP or equivalent).
AWS certifications.

Responsibilities

Design, build, and maintain robust, secure, and scalable network solutions across on-premises data centers and AWS cloud environments.
Provide hands-on expertise in TCP/IP, routing and switching, VPN and tunneling technologies, site-to-site VPNs, and firewall installation and configuration.
Configure and manage AWS network infrastructure, including VPCs, VPC peering, transit gateways, CIDR planning and allocation, security groups, route tables, and hybrid connectivity to on-premises environments.
Implement and maintain network monitoring toolsets; use deep packet analysis and network tracing to diagnose and resolve complex connectivity and performance issues.
Work with Cisco and other network equipment vendors on hardware selection, support escalations, lifecycle planning, and licensing.
Identify and implement automation opportunities for configuration, monitoring, and management tasks.
Drive and manage delivery of complex network projects, ensuring milestones are met and issues are resolved promptly.
Prepare and deliver presentations to leadership and other teams on strategy, status, and performance metrics.
Analyze and reconcile cost, inventory, capacity, trend, risk, and performance metrics using data analysis and Excel skills.
Collaborate with systems, cloud, security, operations, and application teams to integrate best practices across the technology stack.
Develop and maintain documentation for network designs, configurations, topologies, and processes; provide technical guidance and support to team members.
Research, evaluate, and recommend technologies, tools, and best practices to advance network capabilities.