M

Mohammed Musadiq Hussain

Security Engineer

Bengaluru, Karnataka, India3 yrs experience

Key Highlights

  • Expertise in Zscaler and Cisco Secure Access solutions.
  • Hands-on experience with Palo Alto Firewalls and Zero Trust architectures.
  • Proven track record in incident management and policy enforcement.
Stackforce AI infers this person is a Cybersecurity professional specializing in enterprise network security and cloud solutions.

Contact

LinkedIn

Skills

Core Skills

Network Security ImplementationApplication Security ArchitectureZero Trust

Other Skills

ZscalerCisco Secure AccessSSL inspectionPolicy enforcementIncident managementPalo Alto FirewallL1 Security MonitoringServiceNowPalo Alto FirewallsNetwork InfrastructureSecurity PoliciesVPN ConfigurationPolicy TroubleshootingGRE tunnelsTraffic Log Analysis

About

Network Security Engineer with 3+ years of experience in enterprise security, specialising in Palo Alto Firewalls, Cisco SASE/SSE, and Zero Trust architectures. Hands‑on expertise in VPNs, SSL decryption, SWG, ZTNA, and cloud security, with strong experience in monitoring, policy enforcement, and incident management across enterprise environments.

Experience

3 yrs
Total Experience
--
Average Tenure
--
Current Experience

Ltimindtree

2 roles

Security Engineer

Promoted

Sep 2025 – Present · 9 mos · On-site

  • Key Responsibilities:
  • Supported enterprise scale network and cloud security operations as an L2 Security Engineer, working on Zscaler and Cisco Secure Access in live production environments.
  • Delivered hands on L2 support for Zscaler (ZIA, ZPA, Zscaler Client Connector), including deployment, configuration, BAU operations, and troubleshooting of access issues, SSL inspection failures, authentication errors, tunnel connectivity problems, and policy blocks.
  • Performed deep log analysis in the Zscaler Admin Portal to identify policy hits, DNS and forwarding issues, escalating complex cases to L3 or vendor TAC; managed Zscaler Client Connector onboarding, upgrades, and client side remediation.
  • Managed Zscaler Client Connector deployments, including endpoint onboarding, profile validation, upgrades, and client side issue remediation.
  • Supported ZPA private application access, validating application segmentation, user entitlements, and Zero Trust access behaviour; configured traffic forwarding using GRE tunnels, VPN based forwarding, PAC files, and client based models, and validated SAML SSO and user/group based authentication.
  • Actively contributed as an L2 engineer during a large scale migration (~80,000 users) from Zscaler to Cisco Secure Access, supporting migration readiness, execution, coexistence troubleshooting, and post migration stabilisation.
  • Implemented and managed Cisco SASE solutions (Umbrella, ZTNA, ISE Posture, SIA, SPA, Proxy), enforcing Zero Trust, DNS security, CASB, SSL inspection, and secure remote access; configured Cisco Secure Proxy and managed endpoint security using Cisco Secure Client.
  • Enforced granular access controls and identity based ZTA policies, handled incidents and changes via ServiceNow to meet SLA requirements, and collaborated with Cisco/vendor TAC teams for L3 escalations with logs, packet captures, and reproduction details.
ZscalerCisco Secure AccessSSL inspectionZero TrustPolicy enforcementIncident management+2

Junior Security Engineer

Jul 2024 – Aug 2025 · 1 yr 1 mo · On-site

  • Specializations:
  • Cisco Secure Access (SIA & SPA)
  • Zscaler (ZIA & ZPA)
  • Palo Alto Firewall (L1 Support)
  • Zero Trust Access
  • L1 Security Monitoring & Support
  • Key Responsibilities:
  • Worked as an L1 Security Engineer supporting Cisco Secure Access, Zscaler, and Palo Alto Firewalls in production environments.
  • Monitored Cisco Secure Access services (SIA, SPA, ZTNA, Secure Client, Secure Proxy) for user access and connectivity issues.
  • Provided basic support for Zscaler (ZIA, ZPA, Client Connector) including access issues, blocked traffic, authentication failures, and policy validation.
  • Performed L1 monitoring of Palo Alto Firewalls, checking traffic logs, security policy hits, NAT behaviour, and VPN status.
  • Verified user onboarding, device posture, tunnel status, and access policies, and escalated issues to L2/L3 when required.
  • Logged and tracked incidents and changes using ServiceNow, following SLA and SOP guidelines.
  • Skills:
  • Cisco Secure Access, SASE
  • Secure Client, Secure Proxy
  • Zero Trust (ZTNA)
  • Zscaler ZIA, ZPA, Zscaler Client Connector
  • Palo Alto Firewall (Log Monitoring, Policy Checks, VPN Status)
  • L1 Troubleshooting & Incident Management
  • ServiceNow
Cisco Secure AccessZscalerPalo Alto FirewallL1 Security MonitoringServiceNowZero Trust+1

Accenture in india

Network Service & Operation New Associate

May 2023 – Jul 2024 · 1 yr 2 mos · Bengaluru · On-site

  • Key Responsibility:
  • Network Infrastructure & Security: Collaborate with team members to implement network infrastructure and security solutions for clients.
  • Palo Alto Firewalls Deployment: Deploy, configure, and monitor Palo Alto Firewalls to ensure optimal performance.
  • Firewall Rules & User Access: Configure firewall rules and manage user access based on specific requirements.
  • Daily Firewall Monitoring: Regularly configure and monitor firewall logs to maintain security.
  • Security Policies: Implement and update security policies within Palo Alto Firewalls.
  • Documentation & Data Export: Create and maintain documentation and export data from Palo Alto Firewalls as needed.
  • NAT, DHCP, and VPN Configuration: Implement NAT policies, configure DHCP settings, and set up VPN solutions (Site-to-Site and Remote Access) to ensure secure and efficient network communication.
  • Troubleshoot Zscaler Client Connector issues, including connectivity, tunnel failures, authentication errors, and access problems.
  • Monitor and analyse logs in the Zscaler Admin Portal to identify policy hits, SSL inspection issues, blocked traffic, and user-level problems.
  • Support ZIA & ZPA basic operations, including URL filtering, cloud firewall, DNS security, and private application access validation.
  • Validate authentication and forwarding methods, including SAML, PAC files, Zscaler Client Connector, and GRE/VPN tunnels.
  • Escalate incidents to L2/L3, document issues, and collaborate with IT/network teams for routing, DNS, and firewall allow-list troubleshooting.
Palo Alto FirewallsNetwork InfrastructureSecurity PoliciesVPN ConfigurationZscalerNetwork Security Implementation+1

Education

S.R.S. First Grade College,

Bachelor's degree — Computer Application

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