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General information

Requisition #
R55828
Locations
USA-VA-Reston, USA-VA-Chantilly
Posting Date
10/17/2024
Security Clearance Required
TS/SCI w/ Poly
Remote Type
Onsite
Time Type
Full time

Description & Requirements

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

The successful candidate will work with 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

  • 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

  • Monitoring and evaluating network performance and recommending improvements

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

  • Working with engineering teams to resolve reported problems

  • Interfacing with third party vendors for monitoring, troubleshooting, tracking, and reporting metrics

  • Preparing and presenting briefings to the Sponsor as required

Basic Qualifications:

  • Ten (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 overseas if required

Clearance Requirements:

  • Must have 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.


For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license. The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.

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 because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.

If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at (703) 218-6000. ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.

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