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Sr. Network Engineer- Top Secret Clearance

Job in Quantico, Prince William County, Virginia, 22134, USA
Listing for: NTT DATA, Inc.
Full Time position
Listed on 2026-05-04
Job specializations:
  • Engineering
    Systems Engineer, Cybersecurity
  • IT/Tech
    Systems Engineer, Cybersecurity
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below

Sr. Network Engineer
- Top Secret Clearance

We are currently seeking a Sr. Network Engineer
- Top Secret Clearance to join our team in Quantico, Virginia (US-VA), United States (US).

Job Summary

Infrastructure & Systems Engineering. Design, implement, and maintain the core systems infrastructure that supports secure, reliable, and scalable IT operations.

  • Design, configure, and maintain infrastructure components including firewalls and switches.
  • Applying Security Technical Implementation Guides (STIGS) to firewalls and switches.
  • Support and manage virtual and hyperconverged environments.
  • Install, configure, upgrade, and migrate Windows Server and SQL Server software.
  • Participate in the design and delivery of information and operational support systems.
Automation & Scripting

Leverage scripting to automate tasks, enhance efficiency, and support system management across the enterprise.

Environment Management & Testing

Support the creation and maintenance of test environments to ensure system functionality, security, and performance meet mission requirements.

  • Manage and maintain software verification and validation (V&V) environments, including hardware and network components.
  • Build and maintain User Acceptance Testing (UAT) environments as needed.
  • Install Government-Off-The-Shelf (GOTS) software in test environments on a routine basis.
  • Participate in Continuity of Operations Plan (COOP) exercises in assigned roles.
Technical Documentation & Procurement Support

Contribute to program planning and acquisitions by developing technical documentation and supporting procurement processes.

  • Draft and update procurement documents such as Statements of Work (SOWs) and Independent Government Cost Estimates (IGCEs).
  • Support program planning and future procurements through gap analyses and technical recommendations.
  • Identify, evaluate, and assist in resolving program risks and issues.
Security & Compliance Review

Ensure system and network designs meet evolving security standards and technical requirements.

  • Review and provide recommendations on proposed network and system designs to ensure compliance with security policies.
  • Assist in designing secure system configurations when needed.
Liaison & Stakeholder Support

Serve as a trusted technical advisor and communication bridge between stakeholders, administrators, and engineering teams.

  • Liaise with hardware/software support teams, stakeholders, and end users to support integration and troubleshooting.
  • Review deliverables and provide technical feedback and approval recommendations.
  • Attend local meetings and relevant conferences as required.
  • Prepare and deliver technical briefings and presentations within established deadlines.
  • Designing enterprise networks including LAN, WAN, cloud solutions, software defined networking, load balancing, zero trust, WAN optimization, network encryption solutions.
  • Firewalls, switches
  • Windows Server and SQL Server
  • Scripting in Python, Power Shell, or equivalent
Basic Qualifications
  • Bachelors degree or equivalent of additional 4 years of experience if no degree
  • Minimum 7 years of designing enterprise networks including LAN, WAN, cloud solutions, software defined networking, load balancing, zero trust, WAN optimization, network encryption solutions.
  • Minimum 5 years of experience supporting virtualization platforms (Hyper‑V, Nutanix, VMWare)
  • Minimum 5 years of experience supporting Windows servers, performing upgrades, patches, etc.
  • Must be a US citizen with an Active Top Secret clearance
  • Microsoft Certified Systems Engineer or equivalent certification.
Preferred Qualifications
  • Experience in systems engineering, including infrastructure and virtualization support.
  • Experience with Jira implementation.
  • Relevant certifications such as:
    • Microsoft Certified Professional (MCP)
    • CCNA

NTT DATA endeavors to make  accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us at  . This contact information is for accommodation requests only and cannot be used to inquire about the status of applications. NTT DATA is an equal opportunity employer.

Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. For our EEO Policy Statement, please . If you'd like more information on your EEO rights under the law, please . For Pay Transparency information, please .

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