Network Security Engineer Resume
SUMMARY
- Overall 5 years of experience as a Network Security Engineer, network and application security expertise, troubleshooting and presenting enterprise security solutions.
- Having Ability to implement Security on Switches and Routers.
- As a Security Consultant involved in enhancing the security stature of the project by initiatives like Threat Modelling, Security awareness sessions, Dormant & Never Logged IDs clean - up.
- Review and optimize firewall rules using Secure Track tool and run firewall audit reports.
- Working experience on Palo Alto and Checkpoint Next Generation firewall.
- Daily responsibilities included design, implementation, support and administration of multiple security products running Check Point Provider-1 and VSX, Source Fire, and ISS Real secure.
- Conducted security risk assessment, independent reviews, periodic inspections, and implementation of security policy.
- Worked with Active Directory, LDAP/UNIX groups, Networks, human Resource systems for Identity and Access Management.
- Experienced on Windows(Vista,7,10) and LINUX (Kali, Ubuntu, CentOS, RedHat).
- Configured, Administered and troubleshooted the Checkpoint, Palo Alto and ASA firewall.
- Experienced in implementing SNMP (Simple Network Management Protocol), NetMRI.
- Created technical implementation plans, project plans, and worked closely with internal and external customers to supply solutions that fulfill their needs.
- Regularly performed firewall audits around Checkpoint Firewall-1 solutions for customers.
- Evaluate Operating system (Windows, UNIX, Linux), application (Webservers, databases), network device (firewalls, routers) and events within the SIEM.
- Skilled in network and web related protocols such as TCP/IP, UDP, IPSEC, HTTP, HTTPS, routing protocols.
- Managing and deploying Microsoft security updates and specialized software authorized by Group Policy under Active Directory associations.
- Validating client and Server network security configurations for McAfee Host Base Security System & Symantec Endpoint Protection.
- Advanced knowledge in Cisco ASA 5000 series and PIX installation, configuration and maintenance, configuration and installation of IOS security features, IDS/IPS, security risk analysis, attack mitigation & penetration tests based on LPT methodology.
- Manage virtual machines using VMware Sphere Client and VMware Horizon View Administrator.
- Experienced network security engineer with proficiency in installing, upgrading, troubleshooting, configuring, and supporting variety of Network & Security Devices.
- Experienced in optimizing network performance using techniques such as caching, compression, acceleration.
TECHNICAL SKILLS
Security/Firewalls Technologies: Cisco Security Manager Suite, Cisco ASA 5500 series firewalls, Cisco FWSM, Cisco IPS/IDS, Cisco ACS, Advanced Firewall Manager (AFM), Cisco ASA 1000V cloud firewall, Checkpoint Firewall, Juniper SRX series, Palo Alto, IPS, IDS, RADIUS, SSH, VPN, IPSec, SSL/IPSec, Data Loss Preventing, Public Key Infrastructure (PKI), Pretty Good Protection (PGP), Internet Key Exchange Policy, Port Security, MAC Address Filtering, Cisco Routers.
LAN Technologies: VLAN, VTP, STP, RSTP, PVST
WAN Technologies: HDLC, PPP, ATM, SONET, MPLS, VPN, IPSec-VPN,HTTP,HTTPS,SSL
Network Securities: NAT/PAT, VPN, Filtering, ACL, Cisco ASA Firewall and Palo Alto Firewall, Checkpoint Firewall.
Routing Protocols: RIP, IGRP, EIGRP, HSRP, IPv6, DHCP, DNS, TCP/IP, UDP
VPN Services: Cisco, ASA, Microsoft Direct Access(VPN)
Network Managements: SNMP,SNMP, SSH, Telnet, ICMP, LT M, APM Net flow, F5 Load Balancers.
Tools: and skills: MATLAB, Wireshark, SolarWinds, Breakpoint, Spirent, TeraVM, Splunk, CyberArc
Operating Systems: Windows, MS DOS, UNIX, Linux, UBUNTU, RedHat Enterprize
PROFESSIONAL EXPERIENCE
Network Security Engineer
Confidential
Responsibilities:
- Responsible for setting up Checkpoint devices, configuring, maintaining and troubleshooting.
- Worked on IPSO and secure platform. Nokia hardware platforms like IP360 & IP560.
- Experience with Data Loss Prevention (DLP) Software.
- Functional understanding of TCP/IP networks and firewalls.
- Configured and upgraded Nokia &Checkpoint devices. Worked on R65, R70, and R71& R75 platforms.
- Worked on testing tools like Breakpoint, Spirent and TeraVM.
- Extensive knowledge and experience regarding F5 BIG-IP LTM VIP configurations.
- Troubleshooting, optimizing and documenting LAN/WAN technologies and T1/T3 WAN technologies.
- Good experience in VPN services like Microsoft Direct Access.
- Working knowledge of ITSM Remedy ticketing system
- Providing M/T series high level technical support to lead tier-1 carriers
- Security audit to customer like vulnerability assessment and Penetration testing.
- Worked on Cisco FWSM.
- Setup Juniper Network Management platform application and install Security Director, Service Insight, Service Now, and Network Director.
- Authoritative and Non-Authoritative Applications Configuration using Active Directory, Flat file, JDBC and LDAP connectors to load the Identity Cubes.
- Working experience with A10 and F5 Load Balancers.
- Configured Checkpoint Cluster XL, VRRP for redundant setups.
- Upgraded the platforms using the checkpoint upgrade tools.
- Upgraded Virus definition on messaging and enterprise servers MacAfee.
- Utilized Check Point smart-dash board for Firewall and troubleshooting.
- Monitoring performance of network appliances and WAN utilizing using network analyzer like Wireshark.
- Implementation and configuration of IDS and IPS.
- Controlling, monitoring and troubleshooting LAN, WAN and VoIP technologies.
- Configuring ipsec/gre tunnels, access-lists, routing protocols as per client requirements.
- Configuring and troubleshooting Palo Alto.
- Extensive knowledge and experience with F5 BIG-IP GTM Wide IP configurations.
- Deployed Nexus Switches, with complete understanding of the limitations of the line cards for N7ks.
- Familiar with PCI. I got a good Experience with Disaster Recovery.
- Set up Cisco ISE Identity Services Engine.
- Performing backup testing of different client sites to confirm redundancy.
- Coordinating with different Internet service providers for link outages, link flaps, packet loss.
- Installing, configuring virtualization products such as VMware Workstation, Virtual box and vSphere. Experience with ISP carriers.
- Using Cisco Works to verify router configuration changes, backing up IOS and router configs.
- Upgrading IOS on routers and switches. Using HP Open view for monitoring the router interfaces, power status.
- Experience with firewall NAT/PAT. I am Familiar with Wireless technologies (3G, 4G/LTE) and Datacenter technologies.
- Configured VPN routers for remote sites access with correct security policies.
- Creating hosts on different zones and domains, adding forward /reverse PTR /alias records.
Network Engineer
Confidential
Responsibilities:
- Implemented layer 3 routing on large Campus LAN.
- Worked Effectively and improved overall performance of Campus network with simplified HA firewalls.
- Design and customization to integrate SailPoint with Active Directory, MS Exchange, Office 365, Databases, webservices, legacy applications, ServiceNow, Salesforce for access provisioning and deprovisioning.
- Configured access lists to block access to CDP websites from known malicious public networks.
- Meticulously research bugs and security vulnerabilities for public facing services and remediate risks.
- Created Encrypted endpoint security solution for online messages info.
- Expert in VPN service. I can easily access any VPN services.
- Installation of Cisco Routers, Switches. Hands on Switching & Routing.
- Thoroughly analyzed network data to understand our network capacity to aid in future network designs.
- Consistently and efficiently work with desktop technicians to resolve any technology related issue that may arise.
- Experience with F5 BIG-IP iRule programming and troubleshooting.
- Worked in Dell secured environment.
- Involved in Application development by using connector configurations like JDBC and Active Directory etc.
- Upgraded all Cisco devices with new Cisco IOS.
- Designed Test network. This test network allows us to perform changes in a non-production environment while observing the consequences of the change on the infrastructure. All without the risk of causing downtime.
- Designed file filtering rules to block downloads of zip and executable files to user's desktops. Effectively minimizing the risk of malware, add-ware, and virus exposure.
- Designed and configured Cisco ASA and connected devices for internal, external, and DMZ networks.
- Configured Port Address Translation for Email transport and TLS encryption.
- Configured NAT translation rules for external service.
- Used SNMP to gather network information and plan for growth and necessary upgrades.
- Built and maintained relationships with internal and external network and datacenter teams.
- Responsible for building and maintaining daily NOC procedures.
- Managed budgets for the NOC department.
Network Engineer
Confidential
Responsibilities:
- Efficient follow-up on escalated fault tickets to ensure timely response to customer.
- Setup the new switches and harden the switch configuration as per the company policy.
- Perform Initial Problem determination & assigning higher team to get the issue fixed.
- Experienced with Active Directory.
- Responsible for entire company network infrastructure that includes Cisco Switches, Routers, Firewalls, Access Points, Servers and PBX.
- Assigning VLAN's to specific Switch Interfaces.
- Creation and Updating the VLAN's as per the requirement.
- Installation of Cisco Routers, Switches. Hands on Switching & Routing.
- Review of high level and detailed level design document to suggest any changes/improvement.
- Built and configured the device based on the inputs from the design documents (HLD, DLD).
- Performed extensive testing around the upgrade, migration and configuration functionality of our software.
- Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with Checkpoint and Cisco ASA VPN experience.
- Configure, verify & troubleshoot IPv4 and IPv6 static routing, STP related optional features, Port Fast, BPDU guard.
- Address any findings before handover.
- Troubleshooting any issues with traffic flow through the new solution after customer applications are deployed.
- Proactively monitoring and managing customer networks on the Tools like Cramer, Remedy, clarify thereby ensuring timely completion within specified SLA.
- Strong capability to motivate in a supervisory position.
- Familiar with Wireless technologies (3G, 4G/LTE) and Datacenter technologies.
- Proficient in analytical problem solving.
- Set up Cisco ISE Identity Services Engine.
- Worked on Cisco FWSM.