SUMMARY:

Systems Engineer with over 20 years’ experience in heterogeneous environments with Networking experience and discipline in the financial environment and about 10 years experience in Network Administration and monitoring. Presently on Disability.

TECHNICAL SKILLS:

• Linux Engineer Experience
• WinTel experience
• Active Directory Administration
• Confidential Policy Administration
• RHEL
• RPM
• Solaris experience (Solaris 2.6 to 10) Troubleshooting
• Confidential
• Root Cause Analysys
• Documentation
• Support
• Administration
• Time Management
• Prioritization
• Problem Resolution
• Ticket Management
• Network monitoring
• Customer Service
• OS Migrations
• Quality Assurance
• Network Monitoring with Nagios and Operating Systems such as Enterprise Linux
• Microsoft Windows and Solaris

PROFESSIONAL EXPERIENCE:

Confidential, New York, New York

Senior Linux Systems Engineer Consultant

Responsibilities:

• Deploy and Manage RHEL and Confidential 6 and 7 Servers via Kickstart.
• Patch Management via Spacewalk.
• Documentation via Confluence.
• Project Management Applications and handling via JIRA.
• Vendor Management.
• Server 3rd Level Support.
• Network Monitoring and Troubleshooting on all networked equipment
• Administer storage via netapp onTap 8.3.1.
• Active Directory Administration for Unix Integration.
• Windows Confidential Policy Management.
• Package creation and management via RPM and Yum.
• Engineer and Deploy scripts to efficiently run repetitive tasks - Bash
• Network Monitoring via Nagios, then Sensu (Uses Nagios Plugins).
• Log aggregation and management through ELK Stack
• Config management via Puppet.
• Windows Server 2008 Management.

Confidential, New York, New York

Senior Linux Systems Administrator

Responsibilities:

• Deploy Web facing Debian CMS servers
• Implement updates and security patches to internet facing tomcat application servers.
• Bash Scripting to efficiently perform repetitive tasks. troubleshoot outages and issues spanning network Hardware OS and VM.
• Capacity plan for expansion.
• Script software updates and deployments
• Migration from Debian Wheezy to Confidential 7 OS.
• Config management through Salt Stack.
• Implemented Network Monitoring via Nagios.
• Patch and Software management through apt and Ansible.
• Control access to services via IPTables firewall.

Confidential, Greenwich, Connecticut

Senior Linux Systems Administrator

Responsibilities:

• Deploy workstations to new users.
• Migrated Operating Systems from Fedora to a Red hat Enterprise Linux Compatible distribution ( Confidential 7).
• Active Directory Administration.
• Confidential Policy Management.
• OpenLDAP Administration.
• Created Bash Scripts to automate repetitive tasks.
• Implemented trend monitoring Solution based on Cacti.
• Re engineered and Deployed Nagios as Primary Monitoring Solution.
• Engineered Remote KVM solution with Teradici.
• Evaluate Opensource and Commercial Software for Production use.
• Deployed unified Printer Server for the various environments.
• Re engineered Current SSH VPN solution* Utilizing OpenVPN.
• Package creation and management via RPM and Yum.
• Administer VMWARE ESXi Infrastructure to deploy purpose built servers.
• Managed OpenBSD Firewall via pf tables.
• Implemented Network Monitoring via Nagios .
• Config management through Puppet/Foreman.
• Windows Server 2008 Management.

Confidential, New York, New York

Systems Administrator

Responsibilities:

• Monitor Various Web facing Servers and Network Equipment of Multiple Clients through Nagios.
• Report and troubleshoot outages.
• Create shell scripts to deploy Web applications.
• Data Center Administration.
• Network Administration
• Network Monitoring via Nagios.

Confidential, New York, New York

Vice President (Linux Engineering)

Responsibilities:

• Manage and implemented Bluecoat Proxy Secure Gateway Proxy Appliances.
• Constructed a unique VPN Infrastructure for Teleworkers Utilizing various Opensource Technologies.
• Managed OpenBSD and Cisco ASA Firewalls for VPN access
• Managed Bluecoat Proxy ServerCreated basic Shell Scripts to automate various functions involving patch installation and downloads and general maintenance of Workstations.
• Package creation and management via RPM and Yum.
• Engineered a Monitoring system for the Linux and Windows Workstations and printers Using Nagios.
• Account and Host Management over distributed Environment Via YP(NIS).
• Network Performance Tuning.
• Active Directory Administration.
• Confidential Policy Management.
• OpenLDAP Administration.
• Compile Custom Kernels to accommodate drivers that aren't supported in the kernel supported in the base Operating system.
• Created Bash Scripts to for custom OS deployments Post install.
• Utilized KVM in our initial VM Solution Evals.
• Data Center Administration.
• Network Administration
• Deployed Vms under Xen under RHEL 5
• Administered Virtualization technologies such as VMWARE ESX and Citrix XenServer in our environment for various projects.

Confidential, New York, New York

Equities System Administrator Consultant

Responsibilities:

• Provided Desktop and Server Support for Solaris* Systems.
• Network Troubleshooting and Performance tuning for Solaris Workstations.
• Support File Restores Via Veritas Netbackup.
• Data Center Administration.
• Network Administration
• Built Custom Workstations implementing trader Technologies such as Dual to Quad Video* Memory upgrades* and peripheral upgrades.
• Created basic Shell Scripts to efficiently deploy maintenance such as: security patch installation install software, and manage configurations.
• Account and Host Creation over distributed Environment Via NisPlus.

Confidential, New York New York

System Administrator

Responsibilities:

• Account Creation and Maintenance on Windows, Solaris, and Red hat Enterprise Linux.
• Created and Administered Backup policies for the Corporate Office for all Unix and Windows based Workstations and laptops.
• Implemented solutions for propagating system changes remotely via Native Windows tools.
• Engineered Samba PDCs for Migration from The Windows NT4 Environment.
• Provided a solution for content filtering so that laptops brought in would not infect the windows based workstations within the network.
• Implemented a System of auditing all PC hardware in the office.
• Deployed a Jumpstart Server and Several policies for unattended installation of new Solaris Servers.
• Created and Maintain Cabling infrastructure Throughout the Data Center and Corporate Offices.
• Desktop Support for Windows Workstations Ranging from Windows 98 to Windows XP PRO.
• Data Center Administration.
• Network Administration
• Perform various proactive Security Audits on Company Mission Critical Servers that are internet facing.

Confidential, Jericho, New York

Junior Systems Administrator

Responsibilities:

• Provided Day-to-Day Support of 50 Solaris Desktop Systems and 10 Enterprise Servers.
• Performed Firmwide Support Of over 2000 PC Desktops* Laptops and Servers.
• Quality Assurance Tested and Applied firmwide Patch management and rollouts to all PC Desktops firmwide.
• Maintained Logon Scripts for all NT4 PC Domains.
• Assisted the Domain controller Migration from NT4 to Windows 2K.
• Tested Market Data Applications such as Reuters Plus and Instinet before rollout to clients.
• Deployed Veritas Net backup Infrastructure to Support Backup and Recovery of all Solaris and NT Servers and Workstations.
• Created and Maintained Centralized Print Servers
• Administered Company Firewall and VPN access Policies Utilizing Checkpoint Firewall FW1.
• Established Solaris Install Servers and Patch Upgrade Policies.

Confidential, Purchase, New York

Trade Floor Support

Responsibilities:

• Local and Network Account Creation and Maintenance on Windows NT4, 2000 and Solaris.
• Supported Entire Office of 120 Traders in Win2K* WINNT4, and Solaris Environments.
• Maintained Office Meridian Norstar PBX system.
• Implemented Security and Virus Protection Solutions.
• Engineered Login Scripts to Facilitate and provide Upgrades to User Environments.
• Administered RIS Servers to Upgrade From NT To Win2K workstations
• Established and Supported Video Over IP (Video Conferencing).