Cyber Security Engineer

• Dec 2017 - Present

Senior Network Engineer

• Feb 2017 - Nov 2017

• Responsible for operational support of all network infrastructure including routers, switches, firewalls, and IDS systems. • Performed vulnerability assessments. Worked with stakeholders to address findings and remediate issues. • Maintained and expanded both corporate and hosted networks. • Performed network migrations/upgrades/installs as necessary. • Implemented device monitoring solution for network infrastructure. Integrated it with ZenDesk ticketing system to assign tasks to responsible support groups. • Participated in 24x7x365 monitoring and support for all network services. • Day-to-day operational support, including a rotating ''on call'' schedule with other members of the team.

Senior Lead Architect

• Jan 2015 - Dec 2016

• Implemented Solarwinds Log & Event Manager SIEM solution for a system of clinics in Colorado to better secure their computing environment and meet HIPAA compliance objectives. • Performed firewall configuration assessments for customers utilizing either manual or automated methods. Presented them with recommendations based on security and industry best practices. • Met with clients in a consultative capacity to gather their security requirements and current pain points to build statements of work for services to be performed for them. • Responsible for delivering account management guidance, and IT security consultation and technical solutions across federal and civil agencies, healthcare, finance, education, state and local governments, and retail. • Responsible for scoping client internal and external penetration tests, source threat modeling, vulnerability assessments and system security auditing.

Senior Infrastructure Engineer

• Oct 2010 - Jan 2015

• Responsible for operational support of all routers, switches, firewalls, load balancers, and WAN optimizers. • Deployed new networks for new field offices. Worked with real estate on moves for existing field offices. • Implemented company-wide videoconferencing solution using Polycom equipment. • Worked with application teams to deploy/troubleshoot application issues. • Deployed and configured WAN optimization appliances to improve application performance and reduce network utilization. • Performed network migrations/upgrades as necessary. • Implemented Solarwinds Orion monitoring solution for network monitoring, alerting, reporting, and visibility. Integrated it with ServiceNow ticketing system to assign tasks to various support groups. • Participated in 24x7x365 monitoring and support for all network services. • Day-to-day operational support, including a rotating ''on call'' schedule with other members of the team.

Network Engineer

• Sep 2005 - Oct 2010

• Responsible for operational support of all routers, switches, firewalls, and load balancers. • Implemented complete datacenter redesign and migration project. • Implemented campus-wide NAC solution. • Implemented network backbone migration project from design all the way through implementation. • Implemented SIEM (Security Information Event Management) system from IBM/QRadar to track security events from multiple sources (IDS, Firewall, Netflow, Syslog). • Replaced network trending system with open-source implementation (Cacti) to reduce costs. • Deployed and configured Bluecoat Packetshapers to provide QoS to business-critical applications (and suppress mon-business ones) at WAN sites. • Assisted system administration group in attaching new systems to the network and ensuring that proper network configurations are implemented. • Implemented campus-wide Network Access Control solution. • Researched and designed new networking solutions based on given requirements. • Researched and evaluated new tools that enhance operations of the network. • Documented procedures and changes. • Day-to-day operational support, including a rotating ''on call'' schedule with other members of the team.

Consultant

• Aug 2004 - Sep 2005

• Implemented datacenter network for an online company to be able to provide redundancy, and reduce downtime to avoid incurring financial penalties with their customers. • Performed backbone migration for large insurance company. • Redesigned network architecture to improve network performance, scalability, and stability for a manufacturing company. • Implemented datacenter network for an online company to be able to provide redundancy, and reduce downtime to avoid incurring financial penalties with their customers. • Performed backbone migration for large insurance company. • Redesigned network architecture to improve network performance, scalability, and stability for a manufacturing company.

Network Engineer

• Jun 2003 - Jun 2004

• Managed and expanded 4 separate networks to support over 5000 users at CPA Headquarters in Baghdad, Iraq, within the "Green Zone", and out at regional headquarters spread out across the country. • Responsible for configuration and installation of all routers, switches, firewalls, web caching appliances and other network hardware on 4 separate (CLASSIFIED and UNCLASSIFIED) networks. • Overhauled network for Iraqi Forum to support the arrival of the International Press Corps, which included redesigning the network, installing new routers, switches and a firewall, reconfiguring all of the access switches, and added additional radio link to increase bandwidth. Earned thank you letter from President Bush for my efforts. • Provided support to users for various server and network related issues. • Designed Active Directory scheme to better manage network across several regional sites. • Designed Group Policies to harden network security and provide better control over users desktop environments. • Installed and configured proxy server to control Internet usage and manage bandwidth more efficiently. • Installed and terminated CAT5 and fiber optic cabling to connect users and network components. • Implemented a redundant routing front end and configured BGP load sharing to better balance traffic across two separate WAN connections. • Worked with Information Assurance to better secure all the networks.

Network Engineer

• Jan 2000 - Nov 2002

• Coordinated with sales teams to setup and conduct trials and demonstrations for Core Switching/Routing products at customer sites. Trials/Demos would include setting up a variety of different types of networks to demonstrate new product features and functionality (MPLS switching, ATM switching, IP routing, scalability, etc.). • Worked on customer reported issues with Lucent Data products, which required recreating the issues in a lab environment and working with the software developers to identify problems to get a fix put into the software for release. • Maintained large lab network to support development teams' work on next-generation data networking product. • Provided 24x7 customer support for core IP router/MPLS Switch product. • Wrote test plans for system functionality to demonstrate to customers. • Worked with developers to write and validate software fixes for customer reported issues. • Performed SQA testing on system software (OSPF, BGP, MPLS, system, and scalability).

Member of Technical Staff

• Jun 1997 - Jan 2000

• Designed, configured, and implemented scalable (Gigabit Ethernet and ATM) campus networks (including network management and security), for the U.S. Army and Air Force. • Pre-staged, tested, and installed network equipment for backbone network upgrade at Hickam AFB in Hawaii. • Designed a campus backbone network for 89 buildings at Ft. Wainwright, Alaska. • Managed a team of contractors to install equipment to upgrade ATM backbone network for U.S. Army at 25 sites nationwide. • Installed and cut over 2000 users overnight in building at Fort Hood to new ATM network.