Network Administrator

MANTECH is seeking a motivated, career and customer-oriented Network Administrator to join our team in Chantilly, VA . This is a position requiring onsite work at customer locations within the local area (up to 10% travel). This is a mentored Network Administrator given guidance by a senior network engineer.

Responsibilities include but are not limited to :

Designing and integrating comprehensive network, VoIP, VTC, and data centersolutions, adhering to security guidelines and customer specifications to ensurerobust and secure communication infrastructures.

Managing the end-to-end integration of black and red networks, overseeingdesign, installation, maintenance, and coordination of a growing network withmultiple external services to support operational needs.

Diagnosing and resolving complex issues related to customer sites,telecommunications circuits, routing, switching, VoIP, VTC, network encryptiondevices, and Cisco data center / security to maintain network stability andperformance.

Developing and maintaining detailed documentation, diagrams, and standardoperating procedures to facilitate knowledge sharing and efficient networkmanagement.

Providing expert guidance, training, and support to network administrators,service desk personnel, and junior engineers to enhance team capabilities andoperational effectiveness.

Minimum Qualifications :

Bachelor's degree in Computer Science, Network Engineering, or equivalent field, demonstrating a strong academic foundation in related disciplines (additional 1 years of experience may be substituted in lieu of degree)

0-3 years of related experience in networking. Knowledge of VoIP, VTC, data circuits, and network encryption devices (e.g., General Dynamics TACLANE).

Experience with routing protocols such as OSPF and BGP, with an understanding of MPLS and DMVPN technology for efficient network routing.

DoD 8140 IAT Level II certification : SecurityCE and Computing Environment (CE) certification in Cisco technology (CCNA Voice) required.

Valid US Drivers License with the ability to travel up to 10% locally to customer sites.

Preferred Qualifications :

Cisco Collaboration, Data Center, or Security certifications, indicating advanced expertise and specialized knowledge in relevant Cisco technologies.

Experience implementing or troubleshooting VMware NSX-T virtualized networking and security platform developed by VMware. It enables automated implementation of network policies, network objects, isolation, and micro-segmentation.

Clearance Requirements :

• Must have a current / active TS / SCI with the ability to obtain a CI polygraph.

Physical Requirements :

MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.