Job Description

To Apply for this Job Click HereSenior Network Engineer — Data Center (Cisco ACI)Location: Charlotte, NC or Cincinnati, OH (hybrid)Travel: ~5% (includes quarterly in-person planning sessions)On-call: Rotational, approximately every 6–8 weeksWe’re looking for a Senior Network Engineer to join a growing team responsible for enterprise data center and network infrastructure at scale (~30,000 nodes across the environment). This role owns the design, implementation, and support of our Cisco ACI data center fabric and connects into the broader routing/switching and WAN ecosystem. You’ll bring deep technical expertise while working closely with cross-functional teams, architects, and operations to deliver reliable, secure network solutions. This is a priority hire supporting an active team transition — we’re looking to fill this role quickly with minimal disruption to ongoing operations.What You’ll DoDesign, implement, and maintain enterprise network solutions across MPLS WAN, SD-WAN, Data Center, Wireless, VPN, Internet Edge, and Cellular network environmentsDesign, deploy, and troubleshoot Cisco ACI fabrics, Nexus switching platforms, Nexus Dashboard, and multi-site/multi-pod data center architecturesEngineer and support Cisco-based solutions including Catalyst, Nexus, ACI, SD-WAN, ISE, Secure Firewall, and cloud-connected network servicesLead technical design and implementation of MPLS, Segment Routing, BGP, OSPF, EVPN, VXLAN, QoS, and large-scale routing and switching environmentsDevelop and maintain network architectures, standards, reference designs, implementation guides, configuration templates, and operational documentationEvaluate, test, and integrate new technologies; conduct proof-of-concepts and provide vendor recommendationsDevelop and maintain network automation using APIs, Python, Ansible, and infrastructure-as-code methodologies, working within established automation team standardsPerform advanced troubleshooting and root cause analysis across enterprise network environmentsMonitor performance, capacity, availability, and user experience using telemetry and assurance platformsConduct security reviews, configuration audits, compliance validation, and quality control assessmentsCreate engineering work packages, implementation plans, migration procedures, and rollback documentationCollaborate with architects, operations, cybersecurity teams, and vendors to deliver network solutionsMentor junior engineers and contribute to standards, best practices, and continuous improvement initiativesParticipate in after-hours maintenance and provide escalation support for critical network incidents as part of an on-call rotationWhat You BringBachelor’s degree in IT/Computer Science plus 5+ years of experience, including 4+ years designing and supporting Cisco Systems products — or, in lieu of a degree, 10+ years of IT experience with 5+ years on Cisco Systems productsHands-on experience with Cisco ACI, Nexus platforms, and data center fabric architectureStrong routing and switching background, including BGP and Segment RoutingExperience with network capacity planning, network security principles, and network management best practicesStrong interpersonal and communication skills — able to explain technically complex subjects clearly to both technical and business audiencesDemonstrated critical thinking and risk/safety awareness appropriate for operating in a critical infrastructure environmentExperience coordinating across multiple groups, teams, and vendors simultaneouslyAbility to work productively with minimal direct supervision; strong organizational and time management skillsAdherence to formal Change Management practicesWillingness and ability to learn new skills and technologiesNice to HavePalo Alto firewall familiarity (routing/BGP context — not firewall policy administration)CCNA or equivalent Cisco certificationAgile/Scrum-related certification or experienceWorking-level Python/API automation skillsTo Apply for this Job Click HereEqual Employment Opportunity Statement
Gravity IT Resources is an Equal Opportunity Employer. We are committed to creating an inclusive environment for all employees and applicants. We do not discriminate on the basis of race, color, religion, sex (including pregnancy, sexual orientation, or gender identity), national origin, age, disability, genetic information, veteran status, or any other legally protected characteristic. All employment decisions are based on qualifications, merit, and business needs.

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