Job Title: Senior Network Engineer
Location: Boston, MA
Duration: 12 Months
Job Description
We are seeking a highly experienced Senior Network Engineer to maintain the design, security, and integrity of a large-scale internal network environment. This role focuses on supporting approximately 160 Fortinet devices, including FortiGate firewalls, FortiManager (centralized management), and FortiAnalyzer (logging and analytics), as well as customer-facing hosted and cloud environments.
The Senior Network Engineer will provide expert-level technical support to internal teams, design and implement complex infrastructure solutions, and support business-critical systems. Responsibilities include deploying new firewalls to branch locations and migrating environments from Layer 2 to Layer 3 routing.
As part of the Network Team, this role provides onsite and remote support on a 24x7 basis to customers with critical response-time requirements. The engineer will work independently and collaboratively to resolve ServiceNow tickets, troubleshoot escalated issues, support project initiatives, and assist with deployments and maintenance activities. Flexible work hours are required to support system deployments and troubleshooting.
This role requires demonstrated expertise in securing and managing network infrastructures to protect productivity, mitigate threats, and reduce operational costs.
General Duties and Responsibilities
Serve as an experienced Network/Security Engineer with strong expertise in FortiGate, FortiManager, and FortiAnalyzer appliances
Apply best practices for Cisco and Fortinet firewall technologies
Design, install, and support routing, switching, and security technologies in WAN/LAN environments
Collaborate effectively with the internal Network Team
Participate in on-call and onsite response activities within defined SLA parameters (up to 3-hour response window) for emergencies and planned maintenance
Detailed Duties and Responsibilities
Work independently and with approved vendors and partner agencies to resolve network-related issues
Create and maintain detailed documentation for current network architecture and new installations
Demonstrate functional knowledge of connecting public and private networks while ensuring network stability
Apply fundamental knowledge of PCI and PII compliance requirements
Plan and implement future network installations and perform capacity planning
Conduct advanced analysis and troubleshooting of network infrastructure
Provide technical leadership, guidance, and mentorship to team members
Research and analyze requests related to network issues and resolutions
Perform additional duties as assigned by management
Travel between facilities to deploy, maintain, and support network equipment
Qualifications Required at Hire
Experience designing, configuring, and troubleshooting complex network environments
Strong knowledge of routing protocols (EIGRP, OSPF, RIP, BGP) in mixed environments
Knowledge of VLAN technologies, VTP, and STP protocols
Experience with ACLs, firewalls, VPNs, Wi-Fi, enterprise wireless, and other network security technologies
Solid understanding of network routers and switches
Experience with Metro Ethernet technologies
Experience using network monitoring and management tools
Knowledge of VoIP and QoS technologies
Strong verbal and written communication skills
Ability to work independently or collaboratively in a team environment
Flexibility to adapt to changing priorities, emergencies, and production needs
Working knowledge of statistical methods
Fortinet certifications preferred (NSE or FCF, FCA, FCP, FCSS)
Extensive experience creating and maintaining network Visio diagrams
Qualifications Acquired on the Job
Knowledge of internal policies, procedures, standards, and guidelines governing assigned activities
Familiarity with organizational forms and documentation requirements
Minimum Requirements
Other Requirements
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