Sr. Network Engineer- Top Secret Clearance

Sr. Network Engineer
- Top Secret Clearance

Date: May 30, 2026

Company: NTT DATA Services

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 year 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 provides a reasonable range of compensation for specific roles. The starting pay range for this role is $96,492 - $144,738. Actual compensation will depend on a number of factors, including the candidate’s relevant experience, technical skills, and other qualifications. This position may also be eligible for incentive compensation based on individual and/or company performance. If the position offered in temporary, the position will not be eligible for incentive compensation.

This position is eligible for company benefits including medical, dental, and vision insurance with an employer contribution, flexible spending or health savings account, life and AD&D insurance, short and long term disability coverage, paid time off, employee assistance, participation in a 401k program with company match, and additional voluntary or legally-required benefits.

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.