Senior Network Engineer

ManTech (


  Full Time   Employee   Contractor

United States

Become an integral part of a diverse team that leads the world in Mission, Cyber, and Intelligence Solutions. At ManTech International Corporation, you will help protect our national security while working on innovative projects that offer opportunities for advancement.

As a Senior Network Engineer on our Network Security team, you will be embedded in Enterprise Operations Center monitoring and responding the network security alerts, ensuring infrastructure’s network security posture.

Responsibilities include but not limited to:

  • Monitoring IPSs and firewalls for unauthorized changes and pre-defined protocol violations in support of the infrastructures network security policies
  • Monitoring and responding to alerts from Cisco Access Control Servers to ensure the customer’s least privileged methodology is implemented across all networks and devices
  • Executing ACAS and other network compliance tools and delivering regular network compliance reports
  • Collaborating with our Information Assurance team to ensure all network security controls are properly implemented, monitored, and documented
  • Creating and maintaining Visio network diagrams
  • Providing recommendations to improve the network performance while maintaining security compliance
  • Evaluating, designing, documenting, tuning, and setting standards for network operations
  • Utilizing monitoring, performance analysis, network management, software and hardware equipment to trouble shoot and isolate problems, gauge network performance, and trace data and protocol activity.
  • Providing status reports based on customer and program requirements

Position requirements:

  • Requires Bachelor’s degree (in Computer Science, Engineering, or Math) or equivalent, and five to seven years of related experience.
  • Meet DOD 8570 requirements for IAT II
  • Requires experience operating in a NOC/SOC environment, responding to network security alerts
  • Experience using Solarwinds Network Performance Monitor or other SNMP-based monitoring system
  • Experience and knowledge of ITIL-based processes, ITILv3 certification strongly desired

Security Requirement:
US Citizenship and active TS clearance and SSBI


To apply for this job, contact:
Human Resources

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