Network Engineering Senior Specialist at NTT DATA, Inc. Washington DC

Requisition ID: 366035 Job Summary The Network Engineer supports enterprise‑level network operations and modernization activities across federal environments. This role is responsible for designing, implementing, and maintaining secure, resilient, and high‑performance network infrastructure. The engineer works closely with operations, cybersecurity, cloud, and systems engineering teams to ensure reliable connectivity, enforce network security standards, and support mission‑critical IT services. The engineer will operate and maintain a US government agency’s enterprise IT infrastructure and enhance key systems to support operating programs and increase efficiencies. Project scope includes operations support, systems engineering and lifecycle management, network operating services, end‑user support and technical assistance, engineering support, and design, implementation, and maintenance of IT systems and services to ensure the availability, performance, security, and reliability of IT infrastructure and applications. Job Duties Design, configure, and maintain LAN/WAN infrastructure, including routers, switches, firewalls, VPNs, and network appliances. Support network upgrades, modernization efforts, and cloud‑connected architectures aligned with enterprise requirements. Monitor network performance, diagnose issues, and implement corrective actions to maintain system availability. Collaborate with cybersecurity teams to apply network security standards, manage firewall policies, and support compliance reviews. Create and maintain network diagrams, configuration documentation, and operational procedures. Provide tier‑III troubleshooting, vendor coordination, and technical guidance to cross‑functional teams. Implement best practices for routing, switching, load balancing, network segmentation, and secure connectivity in federal environments. Basic Qualifications Minimum 8 years of experience supporting enterprise network operations, including routing, switching, and firewall administration. Minimum 1 year of experience supporting federal or regulated environments with mission‑critical systems. Bachelor’s degree in information systems, engineering, computer science, related discipline, or equivalent experience. Ability to obtain/maintain a Public Trust clearance. Must hold at least one of the following certifications: CISSP, CCNP, CCNA, Professional Cloud Solutions Architect Certification, Certification in Multi‑Cloud (AWS, GCP, OCI, Azure). High School Diploma + 4 additional years of experience = Associate's Degree; Associate's Degree + 4 additional years of experience = Bachelor's Degree. Preferred Qualifications Experience implementing cloud network architectures for AWS, Azure, GCP, or OCI. Familiarity with SD‑WAN, Zero Trust architectures, automation tools, and network monitoring platforms. Additional advanced certifications (e.g., CCNP Enterprise, CASP+, JNCIS, PCNSA). Strong documentation and technical writing experience supporting engineering reviews. Strong analytical and troubleshooting skills for complex networking environments. Excellent communication abilities to collaborate with stakeholders and explain technical concepts clearly. Ability to work independently or as part of cross‑functional engineering teams. High attention to detail, with strong documentation and configuration‑management habits. EEO Statement 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. #J-18808-Ljbffr Neier Inc.