Job Description

Req ID: 366035

NTT 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 Network Engineering Senior Specialist to join our team in Washington, District of Columbia (US-DC), United States (US).

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 Network Engineer will help operate and maintain a US government agency’s enterprise IT infrastructure and enhance key systems to support operating programs and increase efficiencies.  The 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: 

The Network Engineer provides hands‑on engineering support for network architecture, configuration, and troubleshooting. 

• Designing, configuring, and maintaining LAN/WAN infrastructure, including routers, switches, firewalls, VPNs, and network appliances.
• Supporting network upgrades, modernization efforts, and cloud‑connected architectures aligned with enterprise requirements.
• Monitoring network performance, diagnosing issues, and implementing corrective actions to maintain system availability.
• Collaborating with cybersecurity teams to apply network security standards, manage firewall policies, and support compliance reviews.
• Creating and maintaining network diagrams, configuration documentation, and operational procedures.
• Supporting cross‑functional teams by providing tier‑III troubleshooting, vendor coordination, and technical guidance.
• Implementing best practices for routing, switching, load balancing, network segmentation, and secure connectivity in federal environments.

Basic Qualifications:

• Minimum 8 years 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.
  • High School Diploma + 4 additional years of experience = Associate's Degree
  • Associate's Degree + 4 additional years of experience = Bachelor's Degree
• 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)

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.

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. 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,

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