Tarun User
@tarunuser10
I build secure, highly available enterprise networks across banking, telecom, cloud, and branch environments.
United StatesWhat I'm looking for
At Capital One, I own core and distribution network architecture across Cisco Nexus and Catalyst platforms, manage Palo Alto and Check Point security environments, and administer Zscaler ZIA/ZPA for 10,000+ employees and vendors. I support resilient banking services through routing, switching, firewall policy, Zero Trust access, Tier 3 escalations, and compliance-driven segmentation.
I've also delivered enterprise network modernization work at Unisys and Verizon, including SD-WAN, AWS connectivity, F5 load balancing, wireless, data center-to-branch migrations, and firewall audits. Across 8+ years in enterprise IT, telecom, and ISP/NOC operations, I bring hands-on ownership from core switching and VPNs through documentation, change management, and root-cause analysis.
Experience
Work history, roles, and key accomplishments
Own core and distribution layer architecture on Cisco Nexus 9000 and Catalyst 9600/9500 switches running OSPF, BGP and EIGRP. Manage Palo Alto firewalls through Panorama, Zscaler ZIA/ZPA, and provide Tier 3 escalation support.
Deployed and configured Cisco routers and switches, managed Nexus switching, and implemented Palo Alto firewalls, F5 load balancers, and Zscaler. Supported MPLS, IPsec VPN, and wireless deployments.
Deployed and validated Cisco Catalyst switches, managed Palo Alto and Fortinet firewalls, and supported F5 load balancing and Cisco ISE. Provided Tier 2 escalation and root cause analysis.
Jr. Network Engineer
Aceteq
May 2018 - Jul 2021 (3 years 2 months)
Configured and troubleshot Cisco routers and switches, managed Check Point and Cisco ASA firewalls, and supported F5 load balancing and VPN/MPLS links. Documented changes in an internal ticketing system.
Education
Degrees, certifications, and relevant coursework
University of North Texas
Master of Science, Computer Science Engineering
Master's degree in Computer Science Engineering from the University of North Texas.
Availability
Location
United StatesAuthorized to work in
Salary expectations
Job categories
Skills
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