On-Site System Administrator

Reuben Coxall

Lauderhill, *****-****, US, 917-***-****,

************@*****.***

Summary

Accomplished System Administrator with over 15 years of experience in providing on-site support and engineering design for new and existing voice systems. Proficient in troubleshooting a wide range of issues, including those related to SIP trunks, DS0 and T1 lines,, DS 3 Lines. SONET (OC-12 to OC – 192) Wireless LAN controllers; experience with AWS support, monitoring VOIP, CISCO Prime and CUCM. Skilled in writing detailed user guide manuals and MOPs/SOPs for both onshore and offshore teams. Adept at realigning infrastructure and configuring VLAN connections to optimize system performance, brings expertise to enhance any organization.

Work Experience

06/2024 – Present

Board Member, Lakes of Inverrary Condominiums Inc.

Lauderhill, USA

Authored RFPs for Internet and TV services addressed to major vendors.

Developed PowerPoint presentations for the Board to showcase during monthly meetings.

Compiled RFPs for laundry service providers to support the entire complex.

Drafted RFPs for electronic gate providers.

Technical Advisor to the Board of Construction and Telecommunications projects.

Oversaw the installation and completion of 6 new Elevators in the complex from the customer side.

05/2023 – 01/2024

NOC Analyst (Contractor), 22nd Century Technologies

Miami, USA

Provided onsite support for analysis and troubleshooting of fiber circuits, including T1, DS3, OC 48, dark and lit fiber, dedicated internet circuits, SD-WAN circuits, and wireless/RF circuits.

Conducted circuit examinations to identify latency, packet drops, and loss of protection; dispatched field technicians and fiber crews to investigate and perform OTDR traces on fibers to ascertain breaks or impairments.

Assigned trouble tickets to other departments as required.

04/2021 – 05/2023

Trader Voice Engineer Consultant to Goldman Sachs, Insight Global

NYC, USA

Delivered onsite support for MACs engineering design and ongoing support for new and existing voice systems, including IPC and BT systems, OAM support for Speakerbus and CLOUD 9 systems, and Tier II/Tier III support for trading floors.

Wrote SOPS/MOPs to reduce Trader Lines down time from several days to literally minutes,

Created user guide manuals.

09/2018 – 01/2021

Systems Engineer, IPC

NYC, USA

Provided on-site support for major financial institutions such as Barclays, CITI, SOCGEN, Deutsche Bank, NYSE, and NOMURA.

Authored user guide manuals for NYSE operations.

Executed installation and deinstallation of component equipment at customer sites.

Facilitated WEBEX meetings for a diverse range of customers regarding equipment, turret, and line issues, as well as software upgrades; handled high-importance trade discrepancies in collaboration with legal teams.

Managed voice recording logs and administration.

Delivered daily trader support for voice and turret issues in both local and remote capacities.

Oversaw logging and OAM of IPC and BT turrets and hoot lines.

Handled user administration and reprogramming tasks.

Conducted backend administration including managing traders' users, licenses, and permissions.

Troubleshot SIP trunks and T1 connections.

Performed daily health checks and ongoing troubleshooting of new and existing lines in a multi-vendor environment.

Diagnosed and resolved hoot and zone issues.

Generated daily reports for health checks, zones, and users.

06/2018 – 07/2018

System Engineer – Oceans Resort Casino, Judge Group

Atlantic City

Realigned infrastructure to accommodate new gaming systems and floor games.

Configured VLAN connections for various voice and data communications.

Installed LAN connections to ATMs throughout the complex.

Established new LAN connections to Nexus switches over VLANs for voice and data transmission.

Integrated IPTV connections to gaming floors, cabanas, bars, restaurants, and hotel rooms.

Installed WiFi connections from LAN switches to external antennas.

Successfully brought new systems online for the grand opening day.

11/2015 – 09/2018

CNOC ENGINEER (CONTRACTOR TO COMCAST), NCS Technologies Inc.

Piscataway, USA

Monitored and supported three business units in Comcast, including Enterprise Care services for VOIP, SIP, CUCM, and wireless.

Provided network support for Amazon Web Services relevant to Comcast Network Operations, utilizing administrative rights over three years of AWS support.

Mentored junior engineers in troubleshooting and interpreting AWS errors and determining escalation protocols.

Delivered network support for Comcast Infrastructure’s new data center.

Facilitated network support for the new Comcast Tower, focusing on WiFi and VOIP services.

Executed extensive troubleshooting of access points and wireless LAN controllers.

Conducted comprehensive troubleshooting of applications, databases, and network issues utilizing various monitoring tools.

Monitored VOIP systems, including CISCO Prime, CUCM, voice gateways, conference bridges, and communication manager SIP trunks.

Utilized JIRA, Remedy, BROUHA, Nagios, IRIS, Radiation Board, Riverbed, and AWS monitoring tools extensively.

Oversaw monitoring of national enterprise routers and switches, such as ONS 1545, 6500, 7500, Nexus, and 29xx/37xx series.

Analyzed and produced root cause analysis (RCA) reports on outages and their impacts as necessary.

Engaged with MS Office 365, VISIO, Excel, Word for report generation, diagrams, and utilized Teams and SharePoint for team reports and SOP documentation.

Authored MOPs and SOPs for both onshore and offshore teams.

Prepared plans for testing and turn-up procedures for various telecommunications partners, including Comcast, Teleport, AT&T, UBS, and MCI.

Led teams for both onshore and offshore operations regarding Enterprise Care for Comcast.

Education

1964 – 1971

Queens College

O Levels General Certificate of Education

Georgetown, Guyana

09/1988 – 12/1989

CUNY

Information Technology

Queens NY, USA

01/1995 – 11/1995

Metropolitan Institute of Technology

Computer Science

Jersey City

Skills

Systems Monitoring

Unix

Linux

Windows

Field Technician

NOC Technician

Field Engineer

NOC Engineer

Project Management

Systems Integration Planning

Technical Writing

Systems Integration

Client Relationship Management

NOC Operations & Maintenance

Team player

Multilingual

Team Lead

Written Communication

Disaster Recovery

OS Administration

Microsoft Exchange

Office 365

TCP/IP Networking

DNS

SMTP

DHCP

Self-motivation

Teamwork

Troubleshooting

Enterprise Backup

Languages

English

Spanish

French

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