Sr. Network Engineer- Top Secret Clearance

Sr. Network Engineer- Top Secret Clearance

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 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 VMware Data Center Virtualization

About NTT DATA NTT 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.