Sr. Network Engineer

Job Title: Sr. Network Engineer 10 Years must

Location: New York City NY 4 Days onsite Role

Duration: Long Term Project

Experience Required: 10 Years

Employment Type: Must work on Next Gen Software Solutions LLCs W2

Who are we looking for

We are seeking a highly experienced Network Engineer with a strong background in Cisco networking technologies campus data center network design and network automation.

The ideal candidate should have 10 years of experience in designing building and managing large-scale enterprise networks-preferably in financial services or other mission-critical environments.

This role demands deep technical expertise leadership skills and hands-on experience in implementing and maintaining complex network infrastructures.

Indicative Activities:

• Lead the design architecture and deployment of enterprise-scale network infrastructure including LAN WAN and data center networks.
• Manage Cisco routers switches Nexus series and Cisco ACI fabrics in production environments.
• Define and enforce network standards policies and best practices to ensure security scalability and high availability.
• Drive network automation initiatives to enhance operational efficiency and reduce manual intervention.
• Collaborate with cross-functional teams for new implementations migrations and major upgrades.
• Lead troubleshooting and root cause analysis (RCA) for complex network incidents and outages.
• Oversee and validate configurations for firewalls (Palo Alto) load balancers (F5) and IPAM/DNS/DHCP (Infoblox) systems.
• Prepare HLDs (High-Level Designs) and LLDs (Low-Level Designs) and maintain comprehensive network documentation.
• Support capacity planning performance tuning and lifecycle management of network infrastructure.
• Ensure regulatory compliance and adherence to internal security and change management processes.

Technical Skills:

Must Have

• Cisco Routing & Switching Deep understanding of BGP OSPF EIGRP STP VLANs HSRP and QoS.
• Cisco Nexus & Data Center Networking Hands-on experience with Nexus 5K/7K/9K platforms and NX-OS.
• Cisco ACI (Application Centric Infrastructure) Design configuration and policy-based automation.
• Network Automation Experience with tools like Python Ansible or Cisco DNA Center.
• High Availability and Redundancy Design for critical network components.
• Troubleshooting & Performance Optimization across enterprise environments.
• Proven experience managing medium-to-large-scale enterprise networks (preferably financial organizations).

Good To Have

• Exposure to Palo Alto Firewalls (policy management Panorama).
• Experience with F5 Load Balancers (LTM GTM configuration and troubleshooting).
• Knowledge of Infoblox DDI (DNS DHCP IPAM).
• Familiarity with SDN solutions and Cloud Networking.
• Understanding Network Security Principles and compliance frameworks (e.g. PCI-DSS).
• Scripting or orchestration experience for CI/CD-based network automation.

Process Skills:

• Proficiency in ITIL-based operational processes - Incident Problem Change and Configuration Management.
• Ability to develop and maintain standard operating procedures (SOPs) runbooks and technical documentation.
• Experience with project delivery methodologies and stakeholder communication during large-scale implementations.
• Ensure adherence to governance compliance and audit requirements.
• Conduct technical design reviews risk assessments and post-implementation validation.

Behavioral Skills:

• Strong analytical thinking and problem-solving ability in complex technical environments.
• Excellent communication and presentation skills across technical and business audiences.
• Demonstrated leadership in project execution and mentoring of junior network engineers.
• High degree of ownership accountability and attention to detail.
• Flexible and adaptive to changing business needs and technologies.
• Collaborative and team-oriented fostering cross-functional partnerships.

Qualification:

• Professional with a minimum of 10 years of experience in designing implementing and troubleshooting complex network infrastructures (with focus on Cisco).
• Bachelors degree in computer science Information Technology or a related field.
• Cisco CCNP / CCIE (Routing & Switching or Data Center)
• Palo Alto PCNSE F5-CA / F5-CTS or Infoblox NIOS certifications (optional but advantageous).
• Demonstrated experience working in medium to large scale network deployments.

About Next Gen Software Solutions LLC:

Next Gen Software Solutions is a trusted provider of IT Staffing and consulting services dedicated to empowering businesses with cutting-edge technology solutions and exceptional talent. We specialize in delivering tailored IT consulting services innovative software solutions and connecting businesses with highly skilled IT professionals. Founded and led by a dedicated U.S. Army solider Next Gen Software Solutions is deeply rooted in the core values of integrity discipline commitment and experience-principles that guide every aspect of our operations.

Equal Employment Opportunity Statement:

Next Gen Software Solutions LLC is an Equal Opportunity Employer. We are committed to fostering an inclusive and diverse workplace where all employees and applicants are treated respect and dignity. We do not discriminate based on race colour religion sex (including pregnancy sexual orientation or gender identity) national origin age genetic information veteran status or any other legally protected characteristic under applicable federal state or local laws.