Senior Network Administrator

3 days ago


Coffeyville, United States ManTech Full time

Currently, ManTech is seeking a motivated, career and customer-oriented SeniorNetwork Administrator to join our team. This is a remote position at an MDA site.


Responsibilities include but are not limited to:

  • Design, install, maintain, and configure L2 and L3 network equipment (routers, switches, etc.)

  • Develop strategic plans for network development and expansion.

  • Coordinate installation of new hardware/software

  • Monitor network performance to identify and resolve issues quickly and effectively utilizing network management systems and tools.

  • Assist with incident management, problem management, and change management tickets.

  • Develop and implement disaster recovery programs.

  • Follow organizational IT security procedures for network setup, installing firewalls, VPN, IDS/IPS, etc. and monitoring system logs for signs of intrusions.

  • Collaborate with other team members to troubleshoot complex network issues.

  • Performs other duties as assigned which may require specific physical abilities.

  • Train and offer guidance /direction to less junior network administrators.

  • Configuring Access Controls Lists

Minimum Qualifications:

  • 10+ years of experience working in areas associated with information systems, routing and switching devices

  • Baseline security certification in accordance with DoD Workforce Improvement Program

  • Computing environment certification

  • Up to 50% of travel required

Preferred Qualification:

  • Understanding of network protocols

  • Strong troubleshooting and analytical skills

  • Communicate with co-workers, management, and customers, via email, phone, and virtual

Clearance Requirements:

  • Must be a US Citizen and have an Active US Secret clearance

Physical Requirements:

  • Must not have a fear of heights.

  • Must be able to climb 10 flights of stairs.

  • The candidate must be able to operate and perform tasking on a PC.

  • Must be able to remain in a stationary position 50% of the time.

  • Ability to lift typical office equipment, supplies, and files.

  • Occasionally move about inside the office to access file cabinets, office machinery

  • Communicate with co-workers, management, and customers, via email, phone, and virtual.



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