Lloyd Tobias
Roswell,GA
Summary
Successful Senior Network Engineer accomplished in managing enterprise-wide networks for large-scale operations. Plan, implement and continuously improve infrastructure and controls to stay on top of changing operational and security demands. Expert in disaster recovery and business continuity planning.
Overview
27
27
years of professional experience
1
1
Certification
Work History
Associate Manager Infrastructure Services
DXC
10.2018 - Current
- Support Federal and state government services with healthcare providers related to Medicaid and Medicare billing platforms
- Perform Network Delivery Manage on client related projects for new resource acquisition or platform upgrades
- Engineer Client connection to hosted services that navigate through Check Point version R65, R77.20, R77.30, R80.30, Cisco ASA version 8.3, 9.2 and Juniper SRX 11 and 12 Firewalls
- Integrate with network engineering to help troubleshoot connectivity issues that may extend beyond firewall devices
- This requires knowledge of routing and switching devices using prior experience with VLAN, LAN/WAN, EIGRP, OSPF and BGP protocols
- Utilizing previous experience with f5 load balance appliance and XML gateway to engineer and troubleshoot web service connectivity
- Provide reports of environment related HIPAA, and PCI, SOX to assure industry security compliance standards
- Use tools such as for event correlation to determine system stability and security integrity of infrastructure
- Performed troubleshooting tasks with Wireshark, tcpdump, ArcSight and Splunk and various syslog server platforms
- Create detailed documentation of network data path and connectivity diagrams.
Network Security Engineer III, Fiserv
03.2016 - 08.2018
- Perform as lead security engineer on client related projects for new resource acquisition or platform upgrades
- Perform Cyber Security tasks utilizing
- Engineer Client connection to hosted services that navigate through Check Point version R77.30, Cisco ASA version 9.2, Juniper and Palo-Alto Firewalls
- Integrate with network engineering to help troubleshoot connectivity issues that may extend beyond firewall devices
- This requires knowledge of routing and switching devices using prior experience with VLAN, LAN/WAN, EIGRP, OSPF and BGP protocols
- Utilizing previous experience with f5 load balance appliance and XML gateway to engineer and troubleshoot web service connectivity
- Extensive use of Qualys and Tripwire to assure industry security compliance standards
- Use tools such as ArcSight, Algosec, and Splunk for event correlation to determine system stability and security integrity of infrastructure
- Performed troubleshooting tasks with Wireshark, tcpdump, ArcSight and Splunk
- Create detailed documentation of network data path and connectivity diagrams
- Implemented necessary controls and procedures to protect information system assets from intentional or inadvertent modification, disclosure or destruction
Network Security Engineer
Tupperware
11.2015 - 01.2016
- Implement, maintain and review security reports on a regular basis to ensure compliance with required legislations and regulations (SOX, PCI, etc.)
- Work in conjunction with project teams regarding security considerations as projects are defined
- Assist in responses to internal and external audits, penetration tests and vulnerability assessments
- Involved in responsibilities for Computer Security Incident Response Team - documenting processes for response, testing processes and documenting and tracking incidents
- Review Wireless profile and rectify any security vulnerabilities
- Work with Information Security Manager to help provide remediation responses to satisfy any audit findings
- Work with Information Security Manager to help develop information security policies and procedures
- Design, develop or recommend security solutions and processes to protect proprietary / confidential data and systems through validation and enforcement of proper network controls
- Perform periodic compliance reviews, risk assessments and control testing
- Oversee security patch management process and validate compliance
- Monitor security systems for anomalies and respond to potential security events
- Assist with change control processes to ensure changes meet security requirements
- Develop and implement procedures to harden system/application/network configurations
- Perform web application vulnerability assessments and penetration testing to identify exposures and risks, and report findings to management and affected business
- Assist with cyber security, insider threat and fraud detection for Enterprise
- Assist with development and coordination of metrics designed to guide security decisions and allocation of security resource
IT Infrastructure Manager
Natural Medical Solutions
01.2012 - 11.2015
- Manage IT infrastructure projects with external vendors for service and product implementation
- Engineer and Manage IT infrastructure for new business upstart
- Purchase and coordinate installation of all network communication
- Manage Internet presence of local and hosted offerings
- Design and maintain internet presence
- Install and manage windows active directory
- Install and manage Linux servers
- Install and Administer Wireless network for all locations
- Manage Firewall Juniper SSG 550 and VPN connections between locations
- Install and configure Juniper firewall devices for secure internet and remote connectivity.
- Tested network's performance and created strategies to maintain integrity of overall infrastructure
Education
N/A - Automotive Technology
Fulton Montgomery Community College
Johnstown, NYDiploma - Management Information Systems
Computer Career Center
Garden City, NY02.1996
Skills
- Internet Protocol Suite (TPC/IP)
- Firewall Management
- Wireless Communication Design
- Data Center Architecture
- Cloud-Based Service Integration
- Network Architecture Design
- SD-WAN Implementation
- Routing Protocols Expertise
- Network Troubleshooting Expertise
- Virtualization Technologies Proficiency
- Performance Monitoring and Analysis
- Network Security Implementation
- Vendor Relationship Management
- Switching Technologies Mastery
- Wireless Networks Troubleshooting
- Cisco IOS Mastery
- IP Addressing and Subnetting
- Network Security Management
- Hardware and Software Monitoring
- WAN Administration
- Network Infrastructure Support
- CISCO Installations
- Monitoring Tools
- VMware Virtualization
- Vulnerability Testing
- Security Compliance
- VPN Configurations
- Cisco Routers and Switches
- Penetration Testing
- Firewall Installation
- Network Access Control
Certification
- CCNA - Cisco Certified Network Associate
Timeline
Associate Manager Infrastructure Services
DXC
10.2018 - Current
Network Security Engineer III, Fiserv
03.2016 - 08.2018
Network Security Engineer
Tupperware
11.2015 - 01.2016
IT Infrastructure Manager
Natural Medical Solutions
01.2012 - 11.2015
N/A - Automotive Technology
Fulton Montgomery Community College
Diploma - Management Information Systems
Computer Career Center
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