Sr. Network Engineer- Top Secret Clearance

Req ID:370984NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.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.    Write clean, effective scripts using Python, PowerShell, Ruby, Perl, or similar languages.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.Additional duties:    Designing enterprise networks including LAN, WAN, cloud solutions, software defined networking, load balancing, zero trust, WAN optimization, network encryption solutions.    Firewalls, switches    Virtualization platforms (Hyper-V, Nutanix, VMWare)    Windows Server and SQL Server    Scripting in Python, PowerShell, or equivalentBasic 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 clearanceMicrosoft Certified Systems Engineer or equivalent certification.Preferred Qualifications:Experience in systems engineering, including infrastructure and virtualization support.Experience with Jira implementationRelevant certifications such as: Microsoft Certified Professional (MCP)CCNAVMware Data Center VirtualizationNTT 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.About NTT DATANTT DATA is a $30 billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world's leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. our consulting and Industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is a part of NTT Group, which invests over $3 billion each year in R&D.Whenever possible, we hire locally to NTT DATA offices or client sites. This ensures we can provide timely and effective support tailored to each client’s needs. While many positions offer remote or hybrid work options, these arrangements are subject to change based on client requirements. For employees near an NTT DATA office or client site, in-office attendance may be required for meetings or events, depending on business needs. At NTT DATA, we are committed to staying flexible and meeting the evolving needs of both our clients and employees. NTT DATA recruiters will never ask for payment or banking information and will only use @nttdata.com, @nttdatafed.com and @talent.nttdataservices.com email addresses. If you are requested to provide payment or disclose banking information, please submit a contact us form, .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 click here. If you'd like more information on your EEO rights under the law, please click here. For Pay Transparency information, please click here.Posting Date:06/08/2026Department:Delivery NDFG - 1502050081