Sr. Lead Network Engineer
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Job Location:
Stamford, CT - USA
Monthly Salary:
Not Disclosed
Posted on:
5 hours ago
Vacancies:
1 Vacancy
Job Summary
Job description:
We are hiring a Senior Network Engineer to own and evolve our enterprise network architecture while modernizing how the network is managed and changed. A core focus of this role is driving a shift from manual click-ops administration to Network Automation and Infrastructure as Code (IaC) so network and firewall changes become repeatable auditable and deployed through code (for example Terraform and Ansible) rather than through admin portals with limited documentation. The Network Engineer will be hands-on in design implementation operations and troubleshooting across on-prem and cloud environments while also mentoring others and helping the broader team adopt an automation-first mindset. Responsibilities: Network Architecture & Design
Develop and maintain enterprise network architecture including LAN WAN WLAN SD-WAN and data center environments.
Design and implement scalable secure and resilient network solutions aligned with business objectives.
Evaluate new technologies and make recommendations to improve performance and security.
Automation & Infrastructure as Code (Core Focus)
Lead the adoption of Network Management as Code using Terraform Ansible APIs and scripting (Python).
Replace manual click-ops workflows with automated version-controlled deployments and documented patterns.
Enable consistent delivery of network and security changes through code review standardized templates and repeatable releases
Influence and enable the existing team to adopt and sustain an IaC mindset through coaching standards and reusable modules.
Implementation & Operations
Configure deploy and maintain network equipment including routers switches firewalls VPN appliances and wireless infrastructure.
Oversee lifecycle management of network hardware software and licensing
Configure and manage wireless controllers (WLCs) access points and wireless switches.
Manage cloud-based networking across Azure AWS and hybrid connectivity including ExpressRoute Direct Connect/VPN Transit Gateway and core cloud network constructs such as firewall load balancer Cloud WAN and WAF.
Security & Compliance
Implement and maintain network security controls including segmentation zero-trust principles firewalls IDS/IPS and NAC solutions.
Collaborate with security teams to ensure adherence to compliance and cybersecurity standards.
Conduct regular vulnerability assessments and support remediation of network-related findings.
Monitoring & Troubleshooting
Monitor network performance and availability using enterprise tools such as SolarWinds Plixer Cisco Catalyst Center Entuity or similar platforms.
Provide Tier 2/3 support for escalated network-related issues.
Lead root cause analysis for network issues and develop long-term fixes
Create and maintain detailed documentation of network configurations diagrams and processes.
Leadership & Collaboration
Serve as a technical escalation point for Network Engineers and other IT teams.
Lead large-scale network projects migrations and upgrades.
Collaborate with cross-functional teams including infrastructure cybersecurity DevOps Data Science & Technology and application teams.
Participate in vendor management and partner with vendors to drive outcomes
Required Qualifications
Bachelors degree in Computer Science Management Information Systems or relevant field (or equivalent experience)
10 years of experience supporting complex multi-site and cloud-connected environments
Strong experience with firewall platforms such as Cisco FTD and Palo Alto (or equivalent enterprise platforms)
Experience with VPNs (IPSec SSL) load balancers and wireless technologies
Experience with SD-WAN solutions including Meraki and VeloCloud
Strong familiarity with network automation (Python Ansible APIs and Terraform)
Proficiency with cloud networking (Azure/AWS and OCI networking services)
Experience maintaining and supporting WLAN environments
Strong understanding of TCP/IP routing protocols switching technologies (STP VLANs EtherChannel) and firewall concepts
Preferred Qualifications :
Relevant certifications such as CCNP CCIE JNCIP PCNSE NSE or equivalent senior-level credentials
Experience with zero-trust architectures and SASE frameworks
Knowledge of VoIP QoS unified communications networks and Teams Telephony
Ability to work effectively in a fast-paced dynamic and high-intensity environment including open-floor plan if applicable to the position with timely responsiveness and the ability to work beyond normal business hours when required.
