Demo

Senior Network Architect

MANTECH
Herndon, VA Full Time
POSTED ON 11/28/2025 CLOSED ON 12/18/2025

What are the responsibilities and job description for the Senior Network Architect position at MANTECH?

ManTech seeks a motivated, career and customer-oriented Senior Network Architect to join our team in DC, Maryland, and Virginia (DMV) area.

In this role you will be responsible for the design, development, and deployment of the network enterprise architecture. This individual designs and implements computer and information networks, such as local area networks (LAN), wide area networks (WAN), intranets, extranets, and other data communications networks. You will perform network modeling, analysis, and planning. You might also design network and computer security measures as well as research and recommend network and data communications hardware and software.

Responsibilities Include, But Are Not Limited To

  • Support the enterprise architecture, design, development, and deployment of network services in support of government customer; collaborate and capture customer requirements, presenting customer requirements in technical exchanges with other government agencies
  • Research and implement enterprise-wide network solutions, capabilities, and enhancements to support customer business/mission goals and objectives, while complying with the network architecture and design standards
  • Produce SDLC project artifacts such as requirements, design documents, diagrams, and other required documentation
  • Troubleshoot network incidents, providing root cause analysis and documenting information in tickets and knowledge repositories
  • Assist with development and execution of test plans and supporting documentation for network configuration upgrades, additions, or revisions
  • Evaluate and report on new/emerging network/communication technologies to enhance capacity, performance, and reliability; Evaluate and recommend changes and/or technology upgrades to address performance, standardization, and industry best practices
  • Perform site installations, technology refresh, develop implementation plans and schedules

Minimum Qualifications

  • Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or a related field (or equivalent experience).
  • 12 years of relevant experience
  • 8570 Compliant certifications and CCNA certification
  • Hands-on experience with Cisco routing, switching, and firewall technology
  • Experience with primary network topologies, LANs, WANs and other common network standards
  • Strong understanding of network protocols and technologies, including TCP/IP, DNS, DHCP, and QoS, MPLS
  • Very strong knowledge of routing protocols (e.g., BGP, EIGRP, OSPF) and network protocols (e.g., TCP/IP, GRE, IPSEC, and VRF)

Preferred Qualifications

  • Master’s Degree in Computer Science, Cybersecurity, or a closely related field.
  • Knowledge of specific application domains, such as incident response, digital forensics, or threat hunting.
  • Experience with security tools and technologies commonly used in SOC environments (e.g., SIEMs, IDS/IPS, firewalls).
  • Strong communication and collaboration skills, with the ability to effectively convey complex security concepts to both technical and non-technical audiences.
  • Proficiency in programming languages such as Python, Java, C , and scripting languages relevant to security operations (e.g., Bash, PowerShell).

Clearance Requirements: 

  • Must have a current/active Secret clearance with the ability to obtain and maintain a TS/SCI.
  • The ability to obtain and maintain a DHS EOD suitability is required prior to starting this position.

  Physical Requirements: 

  • Must be able to remain in a stationary position 50% 
  • Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer 
  • The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc. 
Senior Network Architect
SiloSmashers, Inc. -
Washington, DC
Senior Computer Network Architect
SMX -
Saint Inigoes, MD
Senior Network Architect
Nightwing Intelligence Solutions, LLC -
Sterling, VA

Salary.com Estimation for Senior Network Architect in Herndon, VA
$78,064 to $103,652
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Senior Network Architect?

Sign up to receive alerts about other jobs on the Senior Network Architect career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$78,266 - $106,284
Income Estimation: 
$109,654 - $138,234
Income Estimation: 
$104,823 - $128,381
This job has expired.
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at MANTECH

  • MANTECH Washington, DC
  • MANTECH seeks a motivated, career and customer-oriented Junior Information System Security Officer (ISSO) to join our team in Washington, D.C. Responsibili... more
  • 12 Days Ago

  • MANTECH Washington, DC
  • MANTECH seeks a motivated, career and customer-oriented Senior Systems Administrator to join our team in Washington, DC . Responsibilities Include But Are ... more
  • 12 Days Ago

  • MANTECH Washington, DC
  • MANTECH seeks a motivated, career and customer-oriented Enterprise Infrastructure Manager to join our team in the Washington, DC area. This is a hybrid pos... more
  • 12 Days Ago

  • MANTECH Washington, DC
  • MANTECH seeks a motivated, career and customer-oriented Enterprise Architect Manager t o join our team in the Washington, DC area. This is a hybrid positio... more
  • 12 Days Ago


Not the job you're looking for? Here are some other Senior Network Architect jobs in the Herndon, VA area that may be a better fit.

  • Transaction Network Services (TNS) Washington, DC
  • An extraordinarily talented group of individuals work together every day to drive TNS' success, from both professional and personal perspectives. Come join... more
  • 8 Days Ago

  • Astrion Washington, DC
  • Overview Senior Network Architect LOCATION: Pentagon - Washington, DC JOB STATUS: Full Time CLEARANCE: Top Secret/SCI TRAVEL: As Needed Astrion has an exci... more
  • 14 Days Ago

AI Assistant is available now!

Feel free to start your new journey!