Network Engineering Senior Specialist

Req ID:357356NTT 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 Pittsburgh, Pennsylvania (US-PA), United States (US).Job SummaryWe are seeking an experienced Senior Network Engineer (8+ years) to lead the design, implementation, optimization, and support of complex enterprise and cloud network environments. This role requires deep technical expertise, strong troubleshooting skills, and the ability to guide junior engineers while partnering with cross-functional teams.Key ResponsibilitiesArchitect, design, and implement enterprise-scale LAN, WAN, WLAN, SD-WAN, and VPN solutionsLead network modernization, migration, and transformation initiativesConfigure, manage, and optimize routers, switches, firewalls, and load balancersProvide L3/L4 support for complex network and performance issuesEnsure high availability, scalability, and resilience of network infrastructureDrive network security design including firewalls, IDS/IPS, Zero Trust, and segmentationSupport and integrate cloud and hybrid networks (AWS, Azure, GCP)Perform capacity planning, traffic analysis, and performance tuningAutomate network operations using scripting and infrastructure-as-codeLead incident response, root cause analysis (RCA), and problem managementCreate and maintain network architecture diagrams, standards, and documentationMentor junior engineers and provide technical leadershipCollaborate with security, cloud, application, and infrastructure teamsEngage with vendors and service providers for design and issue resolutionRequired Skills & QualificationsBachelor’s degree in Computer Science, IT, or equivalent experience8+ years of hands-on experience in network engineering and operations5+ years of expert-level knowledge of TCP/IP, BGP, OSPF, EIGRP, MPLS, VLANs, STP, QoS5+ years of extensive experience with enterprise networking platforms (Cisco, Juniper, Arista)3 to 5 years of strong firewall and security experience (Palo Alto, Fortinet, Check Point, Cisco Firepower)3 to 5 years of hands-on experience with SD-WAN solutionsProven troubleshooting skills in complex, multi-vendor environmentsExperience with network monitoring and observability tools (SolarWinds, ThousandEyes, Wireshark)Strong understanding of network security and compliance best practicesPreferred QualificationsAdvanced certifications: CCNP / CCIE / JNCIP / JNCIE or equivalentCloud networking expertise (AWS VPC, Transit Gateway, Azure VNets, ExpressRoute)Network automation experience (Python, Ansible, Terraform)Experience in large enterprise or managed services environmentsITIL processes and incident/problem/change management experienceSoft SkillsStrong leadership and mentoring capabilitiesExcellent communication and stakeholder management skillsAbility to drive decisions and lead technical discussionsHigh ownership, accountability, and problem-solving mindsetAbout 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 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:05/12/2026Department:ADM-Existing Technologies- HP, Prov & LS - 1437510011