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**ManTech** seeks a motivated, career and customer-oriented **Senior Network Engineer** to join our team in **Reston, VA** location. This is an **onsite** position.

The **Network Engineer** candidate will work with other Network and Systems Engineers to design, build, monitor, maintain, and upgrade all program networks to ensure data is consistently available and flowing properly.

Responsibilities include but are not limited to:

+ Designing, building, monitoring, maintaining, and upgrading all program networks and communications links

+ Monitoring and analyzing networks and communications links to identify and resolve architecture, provider, environment, or other issues

+ Implementing and maintaining effective tools to evaluate/analyze data movement and ensure data integrity throughout the network

+ Working with engineering teams to troubleshoot integration issues and to maximize network and system performance

+ Establishing appropriate network monitoring and early warning mechanisms to proactively identify potential issues before they impact operations

+ Performing performance testing and tuning for all network and Cloud infrastructures

+ Working with engineering teams to resolve reported problems and interfacing with third party vendors for monitoring, troubleshooting, tracking, and reporting metrics

Basic Qualifications:

+ 10+ years of relevant experience serving as a Network Engineer or performing similar technical duties

+ Strong experience with network hardware configuration and maintenance in large-scale environments

+ Strong experience with relevant networking and firewall technologies such as Cisco and Palo Alto

+ Strong network administration experience in areas such as DNS, routing, firewall configuration, scripting and automation

+ Strong Cloud experience, including remote management, with technologies such as AWS

+ Strong experience performing Tier 2-4 network troubleshooting and resolving issues

Preferred Qualifications:

+ Prior experience managing and maintaining complex networks used to transport data worldwide

+ Ability and willingness to travel internationally, if required

Clearance Requirements:

+ Must possess an active/current TS/SCI w/ polygraph.

Physical Requirements:

+ Must be able to be in a stationary position more than 50% of the time

+ Must be able to communicate, converse, and exchange information with peers and senior personnel

+ Constantly operates a computer and other office productivity machinery, such as a computer

+ The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations

+ The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at [email protected] and provide your name and contact information.