The Level 3 Senior Network & Wireless Ops Engineer oversees the stability and security of LAN/SD-WAN/ACI and wireless networks, ensuring seamless integration, performance, and compliance. This role handles escalated incidents, automation, and cross-team collaboration.
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Key Responsibilities & Duties:
- Monitor WLCs, AP health, and BYOD services via Cisco Prime/Aruba AirWave.
- Optimize QoS for wireless UC (Teams/Zoom).
- Manage and optimize routing, switching, and interconnectivity across LAN, WAN, DMZ, B2B, and cloud environments.
- Ensure availability, performance, and security of network services supporting critical business applications.
- Resolve complex technical issues spanning Layer 1–4, lead root cause analysis, and long-term corrective action planning.
- Participate in network design reviews and implement enterprise-grade network infrastructure (ACI, SD-WAN, etc.).
- Execute and oversee network configuration changes, migrations, and upgrades in compliance with change control policies.
- Proactively monitor network performance using tools like SNMP, NetFlow, and telemetry.
- Maintain up-to-date documentation of network diagrams, configurations, and operational procedures.
- Collaborate with security, infrastructure, and application teams on end-to-end service delivery.
- Provide guidance and knowledge transfer to Level 2 engineers and junior staff.
Skills & Qualifications:
- Expert-level knowledge in routing protocols (OSPF, BGP, EIGRP), switching (VLANs, STP, VTP), and IP addressing.
- Expert-level in Cisco ACI/SD-WAN, WLCs, NAC, SIEM.
- Strong hands-on experience with Cisco technologies, including ACI Data Center and SD-WAN platforms.
- Proficient in DMZ, B2B, and internet gateway configuration and operations.
- Solid understanding of network segmentation, redundancy, and HA principles.
- Strong diagnostic and analytical skills, especially under high-pressure situations.
- Excellent documentation and communication skills.
Company Culture:
At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We’re committed to fostering an inclusive environment where everyone can thrive.
