Senior Network & Security Engineer - Hybrid (Cloud/DC)

Blue Mantis; Portsmouth (NH); Hybrid; USD 90,000 - 140,000; Full time

Job summary

Blue Mantis in Portsmouth, NH is seeking a Network Security Engineer to design, deploy, and support network transformation and operations. You will assess technology solutions aligned with customer security policies and application requirements, and work directly with the Senior Network Engineer.

Responsibilities include daily network and firewall operations, troubleshooting, documenting incidents, and staying current with emerging security technologies; collaboration with stakeholders to drive

Qualifications

• Minimum 5 years in deployment/configuration and design of networking technologies (routing, switching, security), with at least 3 years in customer-facing roles.

Responsibilities

• Participate in daily network, firewall, and operational support.

Skills

CCNA or equivalent knowledge

On-call rotation

Azure

AWS

Aruba ClearPass

Aruba wireless

Cisco Firepower Services

Palo Alto security services

Encryption/SSL TLS

Education

B.S./B.A./M.S. degree or equivalent

Tools

Fortinet NSE6/NSE7

Job description

Blue Mantis in Portsmouth, NH is seeking a Network Security Engineer to design, deploy, and support network transformation and operations. You will assess technology solutions aligned with customer security policies and application requirements, and work directly with the Senior Network Engineer.

Responsibilities include daily network and firewall operations, troubleshooting, documenting incidents, and staying current with emerging security technologies; collaboration with stakeholders to drive