Senior Cisco Network Security Engineer
Resume:
Suzanne Keating
Spring, Texas
*********@*****.***
PROFESSIONAL SUMMARY:
Senior Cisco Network and Security Engineer with a wide range of experience working with Cisco technologies, allowing me to successfully analyze, implement, and troubleshoot network security hardware and software misconfiguration. Create MOPs for effective network change control. Excellent working knowledge of Network Security and DMVPN. FTD/FMC. Cisco ISE (Identity Services Engine), Cisco DNAC, Cisco Umbrella, Splunk, F5 BIG-IP load balancing, A 10 load balancing, and Cisco Wireless Security.
SKILL:
Network Security
A10, F5 Load Balancing
Cisco ASA, DNAC, Cisco ISE, FirePower Threat Defense / FirePower Management Center
Cisco ACI
Cisco Meraki SD-WAN
Checkpoint firewall
Fortinet, FortiGate, FortiManager
Palo Alto, Panorama
Juniper
Routing eBGP, iBGP, EIGRP Cisco ASR, ISR, C8300
Switching Catalyst 9300, Nexus 9K, 7K, 5K, 2K FEX fabric extender.
SolarWinds for network monitoring and syslog, Splunk for troubleshooting.
Mentorship, Business Enterprise.
EDUCATION AND CERTIFICATION
Associate in Network Security – Virginia College 2005
Cisco Certified Network Security Professional (CCSP) CSCO11234713
Cisco Certified Network Associate for Wireless (CCNA Wireless)
Cisco Certified Internetwork Expert – Security - (CCIE Security) Written
LTM – Local Traffic Management - (F5 Certification)
ASM – Application Security Management - (F5 Certification)
APM – Application Policy Management - (F5 Certification)
EXPERIENCE
Duff Capital Investors Jun 2025 – Aug 2026
Senior Network Engineer
Responsibilities include troubleshooting network-related issues and maintaining network security measures.
AWS VPN
Juniper SD-WAN on SSR, MX switch, and Juniper Access Points. Supported at least 325 + stores/branches. Provisioning new stores with Juniper equipment.
Palo Alto, Panorama. GlobalProtect VPN, S2S VPN
Ruckus switches and APs
SonicWall firewalls VPN tunnels to data center and headquarter.
Migrate outdated SonicWall firewalls to FortiGate / FortiManager.
Recru for Ascend Performance Materials Dec 2024 – Apr 2025
Senior Network Engineer
Working with the architecture team led to the design and support of network infrastructure systems. Including data centers and remote campuses.
Supported and maintained Cisco DNAC (Catalyst Center). Cisco ISE for network segmentation. Enhanced network devices for SGT transfer and server management. Worked with the architecture and server team to use ISE for segmentation without redesigning the network; that’s how we can manage access resources. Restricted threats with micro-segmentation.
Led the migration of Cisco ASA firewalls to FTD/FMC, pxGrid implemented, ensuring enhanced security and policy management.
Supported Cisco Access Points in WLC
Conducted network troubleshooting, performance tuning, and capacity planning to enhance system efficiency.
Worked with vendor GlobalGig to migrate MPLS to Cisco SD-WAN
Virtual Bench for Oceaneering Aug 2024 – Oct 2024
Network Engineer
Data center inventory and refresh. Implemented North/South + East/West segmentation.
Aruba wireless, Aruba Central
GRE/IPSEC DMVPN tunnels
Added and monitored network nodes in SolarWinds
Utilized Splunk syslog for advanced network troubleshooting, log analysis, and security event monitoring.
CEGAL Apr 2024 – July 2024
Senior Network Engineer
Provided managed network services for enterprise clients, ensuring high availability and performance.
Administered and maintained Check Point firewalls.
Deployed C-9800L WLC redundancy
Conducted network troubleshooting, performance tuning, and capacity planning to enhance system efficiency.
INSPYR for NRG ENERGY Oct 2022 – Oct 2023
Network Analyst III
Working with the architecture led to the design and support of network infrastructure systems. Including data centers and remote campuses.
Led the migration of Cisco ASA firewalls to FTD/FMC, ensuring enhanced security and policy management.
Used Cisco ISE to manage TrustSec security group tags.
Meraki SD-WAN; Meraki access points
A10 for load balancing
Troubleshooting any incidents or issues related to all NRG’s firewalls (ASA, Check Point, Fortinet/Fortigate, FTD/FMC) for the PCI system.
IPAM, DNS, DHCP server
Planning, design, and installation of routers and switches for new facilities.
OVINTIV Nov 2021 – Sept 2022
Senior Network Analyst
Woodland office network refresh
Meraki access points
Implemented new virtual server policies and application profiles / or decom in Cisco ACI, Cisco DNAC
Supported Call Manager, Cisco Unity.
Support Palo Alto firewalls, Panorama.
MENNINGER CLINIC Jun 2021 – Oct 2021
Network Engineer II
Architect Network Security; ASA5585X with FirePower Module / FMC
Configured ISP failover on ASA pairs
Supported Cisco Access Points in WLC
Conducted network troubleshooting, performance tuning, and capacity planning to enhance system efficiency.
NETSYNC for PLAINS ALL AMERICA May 2019 – July 2020
Senior Network Engineer
Deployed ASA with FirePower Module to remote campuses
Migrated Cisco ACS to Cisco ISE
Implement ISE 802.1x on wireless.
Migrate WLC 5500 into C-9800L WLC redundancy pairs
Cisco Meraki SD-WAN, Meraki wireless.
Call Manager, Cisco Unity, and Unity Express.
Monitored, reported, and resolved capacity and performance issues to ensure uninterrupted services.
TOSHIBA Dec 2014 – Apr 2019
Network Security Engineer
Provided Network Security using ASA with FirePower and FMC.
Configured and supported BIG-IP F5 LTM, ASM, and APM for Internet-facing deployment.
Deployed AMP for network and endpoints.
Supported and configured Site-to-Site VPN
Performed Wireless implementation.
Supported Cisco WLC for optimized wireless connectivity and performance
Supported Cisco Access Points in WLC
Conducted network troubleshooting, performance tuning, and capacity planning to enhance system efficiency.
MARATHON OIL June 2014 – Dec 2014
Network Engineer
Supported DMVPN network
Cisco WLC wireless network support for indoor/outdoor access points for seamless connectivity
Managed routers, switches, LAN, WAN infrastructure, ensuring high availability and minimal downtime
Houston 5555 San Felipe network refresh.
On-call rotation
GETRONICS/COMPUCOM SYSTEMS Apr 2006 – May 2014
Network Security Consultant
1.Client: Cisco TAC (Apr 2006 – Jan 2009)
Support Cisco’s SmartNet clients for all VPN and firewall configuration issues
L2L VPN, EZVPN, GRE/IPSEC
Provided training to other team members on subjects related to VPN configuration.
2.Client: Baker Hughes – BHBSS (Feb 2009 – May 2014)
Worked with Network Security & Architecture Team
Migrated network from Verizon to AT&T AVPN.
Designed and migrated the data centers. Moved the data center from Houston to Arlington, TX and implemented mirror data center in Poughkeepsie, NY
ASA with FirePower module deployments.
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