Senior Network Engineer – Routing & Switching

JCS Solutions LLC•Fort Meade, MD

2d•$106,000 - $152,000•Onsite

About The Position

JCS Solutions is seeking a Senior Network Engineer specializing in Routing and Switching to engineer, implement, and sustain enterprise network infrastructure across a large, geographically distributed Department of Defense environment. The role provides hands-on ownership of complex routing and switching initiatives in support of network modernization, operational excellence, and enterprise connectivity. The engineer designs, implements, troubleshoots, and optimizes enterprise routing and switching environments and serves as a senior escalation point for complex network issues. The position supports infrastructure modernization, network lifecycle management, performance optimization, and operational sustainment in mission-critical environments. The engineer designs network solutions, executes production changes, troubleshoots complex issues, and develops the implementation plans and documentation needed to maintain enterprise stability and security. The position is located at Ft. Meade, Maryland, requires an active Secret clearance and current DoD 8140/8570 IAT Level II certification or higher, and offers an annual salary range of $106,000 to $152,000.

Requirements

Bachelor's degree and 8 or more years of relevant experience, or a master's degree and 6 or more years of relevant experience; specific experience, education, and training may be considered in lieu of a degree.
Active DoD Secret security clearance.
Current DoD 8140/8570 IAT Level II certification or higher.
Significant hands-on experience engineering, implementing, and troubleshooting enterprise routing and switching infrastructure at scale.
Strong working knowledge of TCP/IP, subnetting, BGP, OSPF, EIGRP, VLANs, spanning tree, link aggregation, VRFs, multicast, QoS, NAT, and high-availability architectures.
Experience with network hardware installation, configuration, software upgrades, patching, and lifecycle replacement.
Experience developing implementation plans, test procedures, and rollback plans, and executing changes in production environments.
Demonstrated packet capture and protocol analysis troubleshooting skills.
Hands-on experience with one or more of Cisco, Aruba, Palo Alto, Dell, Infoblox, or Brocade.
Experience documenting network designs and procedures using Visio, PowerPoint, or similar platforms.
Strong written and verbal communication skills.

Nice To Haves

Cisco Certified Network Professional (CCNP) Enterprise or equivalent certification.
Experience with enterprise network modernization, migration, or large-scale transformation initiatives.
Experience with software-defined networking technologies.
Experience supporting SD-WAN, SD-Access, Cisco Catalyst Center (DNA Center), or similar controller-based networking solutions.
Experience with network segmentation, network access control, and identity-based networking architectures.
Experience integrating enterprise networking with cloud infrastructure, including hybrid connectivity and secure cloud routing.
Experience with network automation and scripting using Python, Ansible, or infrastructure-as-code approaches.
Experience applying DISA STIGs, vulnerability remediation, and configuration hardening standards to network devices.
Experience using Jira, Confluence, or similar project management and knowledge-sharing tools.
Equivalent advanced routing and switching certification.

Responsibilities

Engineer, configure, and implement enterprise routing and switching infrastructure, including core, distribution, access, and WAN edge environments.
Design and implement routing policies using BGP, OSPF, EIGRP, and static routing; configure redistribution, filtering, summarization, path selection, and convergence optimization.
Engineer Layer 2 infrastructure, including VLAN architecture, spanning-tree design, link aggregation, trunking, and loop prevention.
Implement and maintain VRFs, MPLS/VPN services, tunneling, multicast, QoS, and high-availability architectures.
Perform hardware installation, configuration, software upgrades, patching, and lifecycle replacement.
Baseline and optimize network performance metrics, including latency, throughput, utilization, convergence, and error rates.
Evaluate and recommend technologies that improve network capabilities and operational efficiency.
Develop implementation plans, testing procedures, rollback plans, and change documentation; execute production changes during approved maintenance windows.
Provide senior-level troubleshooting and escalation support for complex routing, switching, transport, and connectivity issues.
Perform packet capture and protocol analysis to identify and resolve infrastructure issues.
Support capacity planning, configuration management, and network standardization initiatives.
Validate device compliance with approved baselines and hardening requirements.
Coordinate network changes with architecture, cybersecurity, operations, and project teams.
Develop and maintain logical and physical network diagrams, routing standards, policy documentation, and addressing plans.
Maintain device configuration standards and configuration baselines; develop implementation procedures, rollback plans, and validation documentation.
Create troubleshooting guides, operational procedures, standard operating procedures, as-built documentation, and operational handoff packages.