Network Security Engineer

Duties and 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.

What we are looking for:

• 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).

Great- to- Haves:

• 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.

Granite delivers advanced communications and technology solutions to businesses and government agencies throughout the United States and Canada. We provide exceptional customized service with an emphasis on reliability and outstanding customer support and our customers include over 85 of the Fortune 100. Granite has over $1.85 Billion in revenue with more than 2,100 employees and is headquartered in Quincy, MA. Our mission is to be the leading telecommunications company wherever we offer services as well as provide an environment where the value of each individual is recognized and where each person has the opportunity to further their growth and achieve success.

Granite has been recognized by the Boston Business Journal as one of the "Healthiest Companies" in Massachusetts for the past 15 consecutive years.

Our offices have onsite fully equipped state of the art gyms for employees at zero cost.

Granite's philanthropy is unparalleled with over $300 million in donations to organizations such as Dana Farber Cancer Institute, The ALS Foundation and the Alzheimer's Association to name a few.

We have been consistently rated a "Fastest Growing Company" by Inc. Magazine.

Granite was named to Forbes List of America's Best Employers 2022, 2023 and 2024.

Granite was recently named One of Forbes Best Employers for Diversity.

Our company's insurance package includes health, dental, vision, life, disability coverage, 401K retirement with company match, childcare benefits, tuition assistance, and more.

If you are a highly motivated individual who wants to grow your career with a fast paced and progressive company, Granite has countless opportunities for you.

EOE/M/F/Vets/Disabled