Senior Network Engineer
Listed on 2026-02-28
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IT/Tech
Cybersecurity, Systems Engineer, Network Engineer, Network Security
MANTECH seeks a motivated, career and customer-oriented Senior Network Engineer to join our team in Chantilly, VA.
Responsibilities include but are not limited to:
Maintaining the network fabric of the ITD IT system architecture.
Remaining wellversed in a multi-vendor environment for layer 2/3 switching and routing, firewalls, SAN directors, as well as virtual and cloud-hosted networking technologies.
Installing, configuring, andmaintainingentire physical networking infrastructure incluing firewalls and core/distribution/access switches and routers.
Utilizing network monitoring applications for traffic, access, and performance of entire network.
Ability to travel domestically.
Minimum Qualifications:
Bachelor’s degree and seven 7+ yearsof relevant experience in information technology,leveraging software applications and tools to meet customer requirements.
In lieu of a Bachelor’s:
Associates’degree and 10 yearsof relevant experience in information technology,leveraging software applications and tools to meet customer requirements.Current DoD 8570 IAT II certification (CCNA or equivalent) or ability to obtain one within 180 days.
Experience in performing maintenance and upgrades of networks including servers, routers, switches,firewalls and networks.
Demonstrated ability in configuring routers, switches, and firewalls with appropriate network engineering and communications protocols.
Experience in providing innovating methods and technical solutions to ensure network performance
Desired Qualifications:
- Bachelor’s degree in Computer Science, Systems Engineering, or other IT-related discipline.
Clearance Requirements:
- Musthave a current/active TS/SCI w/Polygraph.
Physical Requirements:
Must be able to remain in a stationary position 50%
Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
Frequently communicates with co-workers, management, and customers, which may involve delivering presentations.
Must be able to exchange accurate information in these situations.
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 and provide your name and contact information.
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