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An established industry player is seeking a Senior Network Engineer to oversee and enhance their enterprise networking environment. This role involves ensuring optimal performance and efficiency of LAN/WAN systems while providing expert support and maintenance. The ideal candidate will lead initiatives in network design, collaborate with cross-functional teams, and mentor junior engineers. Join a dynamic team where your expertise in network architecture and troubleshooting will drive impactful solutions and innovations in a fast-paced environment.
Description:
Client : Humana
Work location: 1601 Cherry St, Suite 1800/1900, Philadelphia, PA 19102 (Onsite)
Rate : $67/hour (for 7+ years experienced candidates)
Note : Please look for local candidates. Also, this position would require candidates with network architecture/design experience.
Description:
The Senior Network Engineer is responsible for providing day-to-day ownership, operational support, maintenance, and administration of the Enterprise Networking environment (LAN\WAN) including design and architecture of Network solutions. The position is familiar with products, services and business processes and is responsible for ensuring performance and efficiency of the enterprise Network environment. This role provides expert level support and maintenance of the Enterprise Network environment and designs, reviews, analyzes, recommends, and implements enterprise Network technology standards and solutions; including site connectivity, Local and Wide Area Networking and routing, core network infrastructure, internet facing connectivity, load balancing, hosted\PaaS\Cloud provider integration, advanced troubleshooting, etc. The Senior Network Engineer develops and evaluates network performance criteria and measurement methods. Prepares the analysis of capacity needs for switching and routing. Exercises independent judgment and decision making on complex issues regarding job duties and related tasks and works under minimal supervision.
Essential Duties and Responsibilities:
The primary functions of the Senior Network Engineer, include (but are not limited to):
• Maintain network\connectivity\cloud and associated solutions
o Provide day-to-day operation support, monitoring, maintenance, updates, triage, and troubleshooting for Enterprise Networking environment
o Provide expertise and collaboration on defining enterprise-wide technical design standards for network related technology solutions and propose solutions to leadership
o Create\Maintain\Update enterprise network diagrams and documentation
o Research, design, review, test, and implement network related technologies and solutions
o Engage in solutions research and deployment, systems standards, internet services, capacity planning, Disaster Recovery, platform upgrades\modernization, and process improvement.
o Contribute to design of network related solutions and partner with Information Security and Compliance in review of all solutions against corporate security and compliance standards and requirements
o Design, implement, maintain, and support Network Operational monitoring\alerting platform(s) including Business driven dashboards, metrics, and KPI reporting to facilitate clear communication of network related performance across the enterprise
o IP Address space design
o External facing infrastructure, fault-tolerance, redundancy, DR, etc.
• Work with internal departments and clients to determine requirements and then execute\delegate required plans\steps complete implementation.
o lead efforts with cross-functional teams on enterprise network impacting initiatives and implementations
o Oversee Network-related projects and initiatives planning and implementation
o Work with required areas and support staff to facilitate appropriate logistical planning, communication, and execution of network related initiatives
o Collaborate across business areas to assure compilation of necessary business requirements from stakeholders
o Review and assess impact of proposed changes to existing environment
o Participate in implementations and support of all open initiatives and implemented network related technology solutions
• Provide Mentorship, Training, Vision
o Provide technical leadership for network related technologies and solutions
o Work with Company leadership to develop medium- and long-term strategies as the company’s goals and needs evolve
o collaborate across the organization to perform solution impact assessment and set strategy for efforts with major business impact
o Maintain strong architectural expertise and knowledge of current and emerging technologies and products, and evaluates for both general and specific usage
o Overseeing test plans, network\connectivity viability reviews, performance metrics design\implementation, and overall network strategy
Qualifications:
• High level of accuracy and attention to detail
• Must be a Team Player, possess high energy level, and be a self-starter
• Excellent communication skills
• Excellent documentation skills
• Advanced problem solving skills
• Proven ability to analyze, troubleshoot, and resolve network related issues
• Ability to productively work under minimal supervision
Education and/or Experience, Requirements:
• The successful candidate will be a highly motivated, self-starting Information Technology professional with a minimum BS/BA degree or equivalent experience.
• Minimum 10 years of progressive experience in developing, implementing, maintaining, troubleshooting, and supporting infrastructureetwork architectures
• Advanced knowledge of network operating systems primarily Cisco, Certification preferred (CCNA, CCNP, CCDE, CCIE)
• Advanced knowledge of TCP/IP, DNS, DHCP, NTP, VoiP, BGP, EIGRP, communications and routing protocols
• Cisco Networking Hardware: Routers, Swicthes, Firewalls, (Catalyst, 6509-E, Nexus, etc.)
• Experience with maintaining detailed network diagrams and technical documentation
• experience with network analysis and operational monitoring\alerting tools (wireshark, Solarwinds, etc.)
Additional inputs :
Routing Protocols & Design
• Deep understanding of BGP (eBGP/iBGP): path selection, communities, filtering, route-maps, troubleshooting peering issues.
• Proficiency in EIGRP : topology design, summarization, convergence, troubleshooting neighbor relationships and path selection.
• Some experience designing and optimizing hybrid routing environments (internal + external connectivity).
• Ability to assess and refine route redistribution strategies and route filtering for policy enforcement.
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Network Design & Architecture
• Experience in designing high-availability architectures: redundancy, failover scenarios, dynamic & (HSRP/VRRP), and resiliency planning.
• Familiar with data center, campus, and WAN designs, including L2/L3 boundaries and segmentation strategies.
• Understanding of scalable network design principles (hierarchical model, control/data plane separation, route aggregation, etc).
________________________________________
Troubleshooting & Diagnostics
• Skilled in packet capture and analysis tools (Wireshark, tcpdump, etc.) and correlating with routing and switching behaviors.
• Ability to identify and resolve routing loops, asymmetric routing, and suboptimal path selection.
• Strong grasp of troubleshooting BGP flaps, MTU issues, and convergence problems.
________________________________________
Switching & Infrastructure
• Deep understanding of L2 technologies: VLANs, STP/RSTP/MSTP, trunking, EtherChannel, etc.
• Experience with switch stack management, upgrades, firmware planning, and hardware replacement strategies.
• Familiar with MAC table and ARP table behavior, especially in larger or dynamic environments.
________________________________________
Firewalls, NAT, and Border Design
• Understanding how firewalls and NAT interact with routing policies and external BGP routes.
• Ability to audit and optimize edge designs, especially where routing and security meet (e.g. dual-homed ISPs, DMZs).
________________________________________
Upgrade & Change Management
• Experience leading network migrations, hardware refreshes, and code upgrades with rollback plans and risk assessment.
• Familiarity with change control best practices, impact analysis, and post-change validation.
________________________________________
Communication & Strategy
• Ability to translate technical routing issues into business impact and mitigation steps.
• Experience collaborating with cross-functional teams (application, security, systems) to integrate and align network behavior.
• Capability to mentor junior engineers, lead technical discussions, and write clear documentation/diagrams.
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