Aparimit Pandey

Cybersecurity Engineer with 5+ years of experience in network security operations, secure access technologies, VPN troubleshooting, and enterprise traffic analysis across large-scale enterprise environments. Skilled in firewall operations, packet flow analysis, TCP/IP troubleshooting, SSL/TLS inspection, authentication flows, and secure remote access solutions. Experienced in supporting SASE and cloud-based security environments with operational exposure to Prisma Access, Global Protect, and secure traffic forwarding architectures.

Strong understanding of IPSec, GRE, PAC-based traffic steering, VPN technologies, routing, and policy enforcement workflows. Adept at incident resolution, log analysis, customer escalation handling, and cross-functional collaboration in SLA-driven environments.

Senior Associate Consultant – Network Security at Infosys Limited (2024-06 – 2026-05)

• Provided L2/L3 support for enterprise network security and secure access environments during large-scale migration and network segmentation programs.
• Troubleshot end-to-end traffic flows involving firewall policies, NAT, routing, VPN tunnels, authentication behavior, and encrypted traffic inspection.
• Analyzed SSL/TLS handshakes, TCP sessions, and secure application connectivity issues across distributed enterprise environments.
• Assisted in secure traffic forwarding validation and troubleshooting involving VPN-based connectivity and policy enforcement workflows.
• Participated in firewall policy validation, access reviews, and secure connectivity changes in SLA-driven environments.
• Investigated authentication and access-related issues by correlating firewall logs, routing behavior, packet captures, and user connectivity patterns.
• Performed packet-level troubleshooting using Wireshark and tcpdump to identify latency, packet drops, routing anomalies, and policy mismatches.
• Supported secure remote access operations and collaborated with SOC, infrastructure, and network teams during customer-impacting incidents.

CISCO TAC Engineer (Tier 2/Tier 3 Support) at Capgemini Engineering (2022-10 – 2024-05)

• Worked as a TAC Engineer (L2/L3) providing direct customer support for enterprise firewall, VPN tunnels, SSL/TLS connections and routing issues.
• Diagnosed packet flow, routing, and TCP/IP protocol-level issues affecting secure application and user connectivity.
• Handled Sev-1 to Sev-3 customer escalations, providing communication, RCA, and resolution updates while maintaining SLA adherence above 98%.
• Troubleshoot authentication issues, IPSec VPN (IKE Phase 1 & Phase 2), SSL VPN, and Client VPN connectivity problems.
• Analysed TCP/IP headers, SSL sessions, and packet captures using Wireshark to identify root causes.
• Communicated technical findings clearly to customers and authored knowledge base articles (KBs) for recurring issues.
• Mentored junior engineers on structured TAC troubleshooting methodologies.

Network Security Engineer at MOVATE (Formerly CSS CORP.) (2022-05 – 2022-10)

• Assisted in incident investigation and resolution for access, connectivity, and authentication-related issues.
• Supported day-to-day network security operations for enterprise customers.
• Resolved firewall access issues and secure remote connectivity incidents.
• Assisted in diagnosing client-side and network-side VPN issues.
• Documented troubleshooting workflows and recurring issue patterns.

Network Engineer at Datacipher Solutions Pvt Ltd (2021-05 – 2022-02)

• Supported enterprise network environments, troubleshooting L2/L3 connectivity and routing issues.
• Assisted with secure access and authentication-related connectivity problems across distributed networks.
• Performed OS upgrades, configuration changes, and device deployments.

Network Security Engineer at Raxon Technologies Pvt Ltd (2020-10 – 2021-04)

• Performed routine firewall checks, backups, and connectivity validation.
• Supported compliance-driven operational activities and audits.
• Resolved device-level service requests while maintaining 95% SLA adherence.
• Participated in customer review discussions for network security improvements.

MBA in Marketing & Information Technology – Ajay Kumar Garg Institute of Management (2019-01 – 2019-01)

B.Sc. in Mass Communication – Makhan Lal Chaturvedi National University (MCRPV) (2018-05 – 2018-05)