Senior Network Engineer/ Architect

Our Fortune 500 client is looking for a Sr Network Engineer/ Architect for their project based in Philadelphia, PA.

Job Title: Sr Network Engineer /Architect

Location: Philadelphia, PA-Onsite

Duration: 6+ months

Job Description:

Duties:

• Architect, plan, and deploy highly available, scalable, and secure WAN, LAN, and Data center networks using Juniper (e.g., MX Routers, EX/QFX Switches) and Palo Alto Networks firewalls
• Develop and maintain the MPLS core network architecture, including L2/L3 VPNs, Traffic Engineering (TE), and Label Distribution Protocol (LDP)/Resource Reservation Protocol (ESVP)
• Design and implement complex BGP routing policies for multi-homed internet connectivity, inter-AS communication, and global route optimization
• Lead the network aspects of strategic projects, ensuring solutions align with business objectives, security standards, and best practices
• Design, implement, and fine-tune Quality of Service (QoS) policies (e.g., queuing, policing, shaping, classification) across the network to guarantee optimal performance for critical services
• Ensure reliable delivery and transport of VoIP services, including configuration and management of related infrastructure (e.g., Session Border Controllers, gateways) and their seamless integration
• Architect, plan, and support the network infrastructure specifically for IP Video Surveillance (IPVS) systems, including camera-to-VMS communication and storage networking
• Conduct network capacity planning and traffic analysis to accurately forecast bandwidth requirements for high-resolution, continuous recording IP cameras (e.g., H.264/H.265 streams)
• Design and manage the secure VLAN segmentation and network zoning strategy for all IPVS infrastructure, including ensuring proper PoE/PoE+ power budgets on supporting switches
• Configure and manage all features on Juniper SRX Series Firewalls and Palo Alto Networks Next-Generation Firewalls (NGFWs), including Security Policies, NAT, VPNs, User-ID, and Application-ID
• Enforce robust network security policies for all segmented networks, including implementing 802.1x authentication for camera and other endpoint access where required
• Provide Tier 3/4 escalation support for complex network incidents and performance issues, ensuring rapid resolution and root cause analysis
• Utilize network monitoring tools and packet capture analysis (Wireshark) to diagnose and resolve high-level network, voice, and video stream issues

Required Skills:

• 10+ years of progressive experience in network engineering, with at least 3 years in a Network Architect or Lead Senior role
• Deep hands-on expertise with Juniper Junos OS across routers (e.g., MX Series), switches (e.g., EX/QFX Series), and SRX firewalls
• Expert-level knowledge of Border Gateway Protocol (BGP), including path manipulation, route filtering, and peering
• Extensive experience designing and operating Multi-Protocol Label Switching (MPPLS) networks, including LDP, RSVP-TE, and L2/L3 VPNs
• Proven expertise with Palo Alto Networks firewalls, including Panorama management, App-ID, Content-ID, and WildFire integration
• Strong, verifiable experience in designing and troubleshooting networks that support high-volume, real-time traffic, including QoS for VoIP and IP Video

Please send your updated Word format resume along with your best contact details to or call me at .

Stellar IT Solutions is a Global IT Solution provider headquartered in Rockville, MD, with operations in the US and India. Stellar IT Solutions has over 15 years of IT and consulting experience to give cost-effective solutions to many Fortune 500 companies.