Network Security Engineer - Federal

ManTech International; Virginia; On-site; USD 90,000 - 150,000; Full time

Job summary

ManTech International in Virginia seeks a Network Security Engineer to protect critical federal networks. You will design, implement, and harden secure network architectures, configure firewalls, VPNs, and IDS/IPS, and monitor threats with SIEM tools.

You will investigate incidents, conduct vulnerability assessments, and recommend remediation while collaborating with cyber, IT, and mission teams to ensure compliance with federal standards and ongoing career development in a mission-focused

Responsibilities

• Design, implement, and harden secure network infrastructures.
• Configure and manage firewalls, VPNs, and IDS/IPS.
• Monitor threats using SIEM and security tools.
• Investigate incidents and perform vulnerability assessments.
• Collaborate with cyber, IT, and mission teams to ensure compliance.

Job description

ManTech International seeks a Network Security Engineer to protect critical federal and national security networks. In this role, you will design, implement, and harden secure network infrastructures, configure and manage firewalls, VPNs, and IDS/IPS, and monitor for threats using SIEM and security tools. You will investigate and respond to incidents, conduct vulnerability assessments, and recommend remediation. Collaborating with cyber, IT, and mission teams, you’ll help ensure compliance with federal standards while leveraging ongoing training and career development in a mission-focused, innovative environment.