Sr. Network Security Engineer resume example

~Tier III network engineer on the Network Delivery team providing enterprise network infrastructure support by participating in 24x7 on call support, formal change management procedures and escalation support to the Network Operations Center when required.

~Maintained network infrastructure in enterprise datacenter by monitoring performance benchmarks and maximizing the performance, uptime, and supportability of the network infrastructure devices.

~Responsible for understanding industry standards and best practices, keeping current with industry trends and emerging technologies, and providing guidance and direction.

~Focused on the standards and technologies for enabling systems performance qualities, such as availability, scalability, recoverability via methods of researching, identifying, testing, certifying, and selecting technology products required for solution delivery.

~Coordinated the installation of new network circuits, performs maintenance and administration on network devices and analyzes performance of network hardware.

~Participated in disaster recovery exercises to ensure SLA agreements are met with numerous clients/customers of the company. 

~Maintained cyber network security posture by administering firewall rules on Cisco ASA 5540’s, Cisco FWSM’s and Checkpoint firewalls and also upgrading to newer stable revisions of OS to mitigate risks.

~Provided support in the translation of business requirements into telecommunications (e.g., LAN, CAN, WAN, Voice, Video, Datacenter) requirements, designs and orders. 

~Provided in-depth engineering analysis of telecommunications alternatives for government agencies in support of their strategic modernization efforts and telecommunications enhancement design for medium and large scale telecommunication infrastructures.

~Provided interface support to telecommunications end users, telecommunications operations personnel, and telecommunications strategic program management.

~Provided identification of solutions and requirements by applying design/implementation of new systems and enhancements of existing systems. 

~Participated in analysis, design and new construction of all IT systems.

~Responsible for understanding the needs of the customers and the realities, capabilities, installation, operation, and maintenance of commercially available hardware and software products. 

~Extensive use of latest and greatest networking platforms and security focused appliances.

~Provided mentor-ship and training of other associates at the same level or below on processes and tools.

~Tier III network engineer to support the organization and was the only network engineer at Corporate HQ and teamed with offshore network engineers located in Gr Noida, India. 

~Supported 84 global locations located in 25 states and across Europe by managing network equipment, internet circuits, LAN/WAN operations, maintains corporate HQ’s and a Tier 4 Data Center with infrastructure networking. 

~Provided 24/7 support for the business via on-site support, traveling and remote support via VPN technologies.

~Developed a mission critical VPN solution that enabled the business to continue remote access to company resources while abroad also providing an updated appliance compatible with newly released operating systems.

~Planned, configured and installed Cisco interface cards to improve business unit throughput via metro-e circuits and successfully switched to new circuit without any disruption to business output.

~Maintained Data-center topology via use of planning, designing, implementation and management of the life-cycle of network. Maintained six floors of the company by managing networked switches, routers, ACL’s and firewall rules to help ensure a cyber-safe enterprise network environment.

~Subject matter expert providing management with status updates, recommendations, and strategy planning support when working on high priority tasks and implementations.

~Performed duties as a Network Engineer for a Tier 3 Internet Service Provider Company by resolving network related issues, installations, managing network security, equipment performance/maintenance, optimization and new customer provisioning including IPv4 address assignment.

~Implemented network security procedures by limiting network terminal emulation protocols to use of SSH and installing a scalable, functional, and cost efficient TACACS+ solution while saving 100% yearly on TACACS+ operating fees.

~Worked with clients and customers to assess their needs; provided assistance; resolved problems; and provided quality products and services by designing a system to support their requirements.

~Served as consultant to customers of ATG by providing guidance, information and physically repairing various network, server and workstation issues on the customers WAN/LAN. Noted by customers as “Favorite Engineer” within the company, whenever possible customers would request my expertise.

~Architected, configured, and maintained hardware required to operate ATGs’ Service Provider network.

~Saved company 64 % per device in procurement of carrier class network equipment after locating and researching a supplier within region to support ATG’s core network equipment needs.

~Designed platforms and infrastructures including servers, storage, workstations, application software, networks, and the physical facilities that support the applications that client businesses needed to operate.

~The Ft. Gordon Battle Lab Collaborative Simulation Environment NOSC was an Internet Service Provider equivalent on a “Secret” classified network which offered WAN access to network services such as VTC, SharePoint, Adobe Connect, Same time, Outlook, and NAS storage. 

~Usage in Cisco CLI for networking devices to including switches, routers, and ASA devices. 

~Managed default, static, and dynamic routing protocols to include the use of EIGRP, and OSPF routing protocols to allow addition of expansion locations throughout the United States, which operated on the present day ARPANET.

~Diagnosed and resolved system problems by analyzing problems and issues.

~Configured, installed, repaired, and maintained computer networks; desktops; and server operating systems.

~Deployed and supported Operation Iraqi Freedom II with telecommunications, satellite, AM, FM radios and navigation systems; returned home with all assigned Soldiers and all equipment accounted for and operational.

~Platoon Sergeant served as a Senior-level supervisor directly responsible for daily job performance and training for 150 Soldiers. Instruct military occupational specialty class, Signal Support Systems Specialist, to install, troubleshoot, and perform maintenance on terminal equipment, manual and automated signal support systems.

~Provide technical assistance in implementing information systems, deploying personnel, and operating dedicated computer systems. Set up and installed Cisco Voice over Internet Protocol (VOIP) phones, coordinated, established, and operated Video Teleconferencing (VTC). 

~Fielded one of the Army’s first mobile Video Teleconference Systems using secure encrypted communications protocols and maintained 98% up time during experiment and integration testing in a combat operational environment.

~As a systems administrator, ensured all customer problems were resolved through the Network Operations Center Help Desk and installed software, hardware, and peripherals as needed.