MARSHEL GAILS
Auckland,Mt Wellington
Summary
Results-driven IT professional with notable success in planning, analysis and implementation of security initiatives. Strengths in providing comprehensive network design and security frameworks.
Overview
8
8
years of professional experience
1
1
Certification
Work History
Senior Technical Specialist
HCL Technologies (Project Falck)
11.2022 - 11.2024
- Web application firewall security to all hosted applications
- Vulnerability Scanning using Qualis ystem, Nessus
- Defining Security postures and methodology
- Checkpoint Firewall Policies, Access list, Nat configuration, SSL/Remote VPN setup
- Conducted security audits to identify vulnerabilities.
- Performed network troubleshooting to isolate and diagnose common problems.
- NetScaler SDX, ADC and ADM installation and configuration, load balancer VIP creation, content switching, GSLB configuration, saml configuration, NetScaler gateway and upgrade deployment of NetScaler application delivery management
- SSL Certificate configuration
- Collaborate with cross-functional teams to ensure adherence to security and compliance regulations
- Working with Xendesktop, Domain Controller, Active Directory, SolarWinds and service-now
- Worked on Incident management, change management, problem management and implemented agile methodology environment
- Linux basics
- Traveled to client sites to perform onsite testing.
- Worked with business partners to balance requirements, security and risk reduction.
Network Security Administrator
Tata Consultancy Services (Project Swissport)
04.2018 - 11.2021
- Led the implementation, installation, configuration, and maintenance of LAN, WAN, and WLAN networks across multiple sites, ensuring high availability
- Implemented SSL offloading, content switching, GSLB, and configured security on Cisco ASA and Palo Alto firewalls for enhanced network integrity
- Deployed Meraki infrastructure, including security appliances MX, switches MS, and access points MR, and executed network migrations and configurations
- Provided expert technical support and troubleshooting, identifying and resolving security incidents with tools like Splunk
- Used ServiceNow for efficient ticket management, streamlining service requests and incident handling
- IPSec VPN troubleshooting on Cisco ASA firewalls
- Analyzed security incidents using SIEM tools and configured Symantec cloud proxy for robust network security
- Subject matter expert for Cisco SD WAN and Meraki, ensuring optimal network performance and security.
Network Administrator
Tata Consultancy Services (Project Jetblue)
10.2016 - 01.2018
- Installed, configured, and troubleshot network devices; maintained physical cabling connectivity including twisted pair, coaxial, and optical fiber
- Conducted monthly network reports, configured VLANs & Port-channels, and ensured weekly backup and security hardening of network devices
- Executed Datacenter Recovery testing, configuring network devices in DR to ensure all applications run smoothly
- Updated network diagrams using Microsoft Visio, enhancing documentation and future troubleshooting efficiency
- Managed hardware failure troubleshooting in data centers, and provided on-call support, ensuring efficient incident closure
- Researched network products and adhered to change management protocols, improving network performance and standards
- Performed day-to-day LAN and WAN administration, maintenance, and support
- Maintained network hardware and software and monitored network to support network availability to end users.
Education
MBA - Information Technology
Swami Vivekananda Subharti University
India06.2023
Bachelor of Computer Applications - Computer And Information Sciences
Guru Gobind Singh Indraprastha University
India05.2016
Senior Secondary School -
St. Xaviers School
India03.2013
Junior Secondary School -
St. Xaviers School
India03.2011
Skills
- ISC2 Service Management
- Checkpoint/ASA/FTD Firewall
- Proxy/Symantec DNS / Ultra DNS
- Quails/Nessus Vulnerability management
- Service-Now/ Ticketing too Incident, change, Process Management
- SIEM Provider Management
- Hardware Installation
- Network Architecture
- Network configuration
- Checkpoint/ASA/FTD Firewall
- Cisco/HP/Meraki Switches, Routers & AP's
- ExtraHop / SolarWinds Monitoring tool
- SSL Offloading/Citrix ADC
- Root/intermediate/server certificate configuration
- Cybersecurity
Certification
- Agile Principles and Methodologies skillsoft
- ISC2
- Citrix ADC 12.x Advanced concepts - Security Management and Optimization
- Qualys Vulnerability management detection and response Qualys certified specialist
- Certified meraki networking operator(cmno)
- ExtraHop Basic User
- Cisco Certified Network Associate
- Cisco Certified Network Associate Datacenter
- ITIL Foundation
- PRINCE2
- ITIL INTERMEDIATE
Passions
- Drummer
- Lead guitarist
- Play for different band
Favoritequote
Strive not to be a success, but rather to be of value - Albert Einstein
Timeline
Senior Technical Specialist
HCL Technologies (Project Falck)
11.2022 - 11.2024
Network Security Administrator
Tata Consultancy Services (Project Swissport)
04.2018 - 11.2021
Network Administrator
Tata Consultancy Services (Project Jetblue)
10.2016 - 01.2018
MBA - Information Technology
Swami Vivekananda Subharti University
Bachelor of Computer Applications - Computer And Information Sciences
Guru Gobind Singh Indraprastha University
Senior Secondary School -
St. Xaviers School
Junior Secondary School -
St. Xaviers School
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