Sr. Network Engineer

Senior Network EngineerBattelle delivers when others can't. We conduct research and development, manage national laboratories, design and manufacture products and deliver critical services for our clients—whether they are a multi-national corporation, a small start-up or a government agency.We recognize and appreciate the value and contributions of individuals from a wide range of backgrounds and experiences and welcome all qualified individuals to apply.Job SummaryThe Senior Network Engineer is responsible for the design, implementation, operation, and support of enterprise network and communication infrastructure. This role applies advanced technical knowledge to maintain reliable, secure, and scalable connectivity services across campus, data center, and cloud environments.The Senior Network Engineer serves as a subject matter expert and escalation point for complex network issues, provides technical leadership on assigned initiatives, mentors less-experienced staff, and collaborates with cross-functional teams to support organizational technology objectives.ResponsibilitiesNetwork Infrastructure & OperationsDesign, implement, operate, and support enterprise network infrastructure, including local, wide-area, and cloud-connected environmentsMonitor, analyze, and optimize network performance, capacity, and availability using enterprise monitoring and analytics toolsTroubleshoot and resolve complex network incidents and interoperability issues across core, access, and edge environmentsMaintain reliable operation of network services through proactive maintenance, lifecycle management, and change control practicesParticipate in a scheduled on-call rotation to support critical enterprise network services during off-hours, evenings, or weekends, as requiredNetwork Security & Secure Access ServicesSupport enterprise network security and secure access services, including firewalls, remote access, and cloud-delivered security platformsOperate and support Zero Trust–related security software aligned with modern secure access and segmented network access principles, including identity-aware access and policy-based controlsAssist with implementation, operation, and maintenance of secure access solutions supporting users, devices, applications, and network servicesSupport integration of network security and access controls with enterprise identity, authentication, and endpoint systemsSupport high-availability, resiliency, and operational assurance of network security platforms through testing, validation, monitoring, and documented proceduresWireless & Collaboration ServicesSupport enterprise wireless networking services to ensure consistent, reliable connectivity across corporate environmentsAssist with deployment, operation, and troubleshooting of wireless, voice, and video collaboration servicesSupport collaboration environments, including integration of conferencing systems with enterprise network and communications servicesLead Network ProjectsLead technical execution of assigned network projects and initiatives from planning through implementationCoordinate technical activities with cross-functional teams, vendors, and service providers to ensure effective deliveryServe as technical lead for assigned efforts, providing solution guidance and escalation support without direct people-management responsibilityIdentify technical risks, dependencies, and constraints, escalating issues as appropriateDocumentation & Operational SupportMaintain accurate and up-to-date network documentation, including diagrams, configurations, and operational referencesDevelop and maintain runbooks, procedures, and technical documentation to support operational consistencyEvaluate new technologies and approaches to improve network reliability, performance, and securityKey QualificationsBachelor's degree in Computer Science, Information Technology, or a related field; or an equivalent combination of education and relevant professional experienceMinimum of 5+ years of progressive experience in network engineering or a closely related technical roleDemonstrated experience supporting enterprise network infrastructure and resolving complex technical issuesStrong understanding of networking fundamentals, including TCP/IP, DNS, DHCP, routing, and switching conceptsExperience working with network security technologies and secure access solutionsStrong analytical, troubleshooting, and problem-solving skillsEffective written and verbal communication skills, including the ability to explain technical concepts to non-technical audiencesPreferred QualificationsHands-on experience with Cloudflare SASE and Zero Trust Network Access (ZTNA), including WARP-based endpoint connectivityHands-on experience administering Palo Alto Networks next-generation firewalls and centralized firewall management platformsHands-on experience supporting Juniper wireless networking solutions, including controller-based or cloud-managed deploymentsExperience with enterprise routing and switching technologies and dynamic routing protocols (e.g., OSPF, BGP)Experience supporting enterprise voice, video, and collaboration platforms, including Microsoft Teams Voice and Microsoft Teams RoomsExperience with network monitoring, performance, and logging tools (e.g., PRTG, Cacti, Prometheus, Grafana, or similar)Experience with cloud networking in AWS, Azure, or Google Cloud PlatformExperience with scripting or automation tools (e.g., Python, Ansible, PowerShell) is a plusRelevant industry certifications (e.g., CCNP, Juniper, Palo Alto, or security certifications) are desirable