Granite Telecommunications · 2 weeks ago
Network Security Engineer
Quincy, MA
Full-time
Onsite
Entry Level
1+ years expGranite Telecommunications is seeking a Network Security Engineer to support the Network and Security Manager and network engineering team. The role involves designing, maintaining, and operating the enterprise network, troubleshooting issues, and implementing firewall policy changes.
Business DevelopmentFitnessTelecommunications
Responsibilities
Support the Network and Security Manager and network engineering team with the design, maintenance, and day-to-day operation of our enterprise network across on-prem, branch, and hybrid environments
Troubleshoot and resolve network tickets, including LAN/WAN issues, firewall-related problems, and connectivity incidents
Perform routine break/fix work, firmware updates, and hardware/software upgrades for firewalls, switches, and other network appliances
Implement firewall policy changes and assist with ongoing firewall rule maintenance and cleanup
Install and configure network devices (routers, switches, firewalls) under guidance from senior engineers
Maintain accurate network topology diagrams for headquarters, branches, and WAN infrastructure
Participate in a weekly on-call rotation with the network team
Provide Tier 1 and Tier 2 support for network-related escalations
Perform and verify backups of network device configurations
Handle additional network or security projects as assigned
Qualification
Required
1+ years of hands-on experience in a corporate/enterprise network environment or strong academic background with meaningful internship experience
Solid understanding of networking fundamentals such as TCP/IP, VLANs, routing, and switching
Familiarity with routing protocols (OSPF, BGP, EIGRP)
Exposure to enterprise networking hardware (Fortinet, Cisco, Juniper Mist, or similar)
Ability to analyze and troubleshoot network connectivity issues efficiently
Strong communication skills and a willingness to learn from senior engineers
Ability to work on-site five (5) days per week (primary work is hands-on with physical infrastructure)
Preferred
Certifications like CCNA (or in progress), CompTIA Network+, Fortinet NSE, or similar
Exposure to cloud networking concepts—especially GCP or AWS (e.g., VPCs, routing, firewalls, hybrid connectivity)
Familiarity with virtualization and software-defined networking (Google Cloud networking, VMware NSX)
Basic scripting skills (Python, PowerShell) for automation or configuration tasks
Company
Granite Telecommunications
Granite is a leading communications services provider for businesses with multiple locations.
1001-5000 employees
H1B Sponsorship
Granite Telecommunications has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (11)
2024 (17)
2023 (11)
2022 (11)
2021 (5)
2020 (8)
Funding
Current Stage
Late StageTotal Funding
$4.85M2016-06-06Grant· $0.6M
2016-03-29Series Unknown· $4.25M
Leadership Team
Brad Dupee
Head of National Channel Sales
Mark Palmer
Director, Strategic Development
Recent News
2025-12-17
2025-12-11
GlobeNewswire
2025-12-10
Company data provided by crunchbase