Senior Network Infrastructure Engineer Job at OZ Solutions Group Inc., Cambridge, MA

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  • OZ Solutions Group Inc.
  • Cambridge, MA

Job Description

Key Responsibilities:Lead daily network administration and support: equipment configuration, installation, upgrades, and troubleshooting.Configure and support Cisco technologies: Nexus, ASR, Catalyst, ACI, SDWAN.Support and troubleshoot Cisco ASA/FirePOWER (FMC/FTD/FXOS) firewalls and VPNs (AnyConnect, IPSec, GRE, IKEv2).Design and configure advanced network protocols and technologies: BGP, EIGRP, OSPF, VXLAN, VPC, QoS, STP, ACLs, TCP/IP.Collaborate with application and infrastructure teams on F5 and NSX/Avi load balancer configuration.Use diagnostic tools like Wireshark, tcpdump, and Netscout for deep packet inspection and root cause analysis.Provide operational support: issue resolution, root cause analysis, and preventative solutions.Manage Azure and AWS cloud network configurations and firewall rules.Work with vendors to ensure timely resolution of outages and incidents within SLA targets.Maintain and develop network diagrams, standard operating procedures, and technical documentation (Visio, Lucidchart).Monitor and implement security best practices for enterprise and cloud-based network environments.Required Qualifications:8+ years hands-on experience with Cisco routers and switches (Nexus, Catalyst, ASR, ACI, etc.)8+ years with routing protocols (BGP, OSPF, EIGRP)5+ years working with network security tools (Cisco ASA, FirePOWER)5+ years experience configuring and supporting F5 (LTM, GTM, BIG-IQ)5+ years experience conducting packet-level network analysisPreferred Qualifications:Experience in K-12 or education-related projectsCisco CCNP, VMware certificationsFamiliarity with SDWAN, Meraki, vManageExperience in VMware NSX/NSX ALBHands-on experience with Splunk SIEM/SPLExposure to Azure and AWS infrastructure, ExpressRouteProcess-driven mindset with strong documentation skillsExcellent communication skills with the ability to explain technical issues to non-technical stakeholders
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