STEPHEN SYLVESTER

Systems Administrator

Honolulu,HI 808-***-**** adsfw0@r.postjobfree.com https://www.linkedin.com/in/stephen-sylvester-b447659a/

Solution-oriented systems administrator with a record of driving the design, development, and implementation of systems and tools that elevate operational effectiveness across organizations. Skilled at leveraging technical expertise and project management skills to drive implementation progress, test functions, and resolve any unforeseen challenges to enable business clients to achieve business objectives. Collaborative communicator who can activate best practices and build consensus across technical and non-technical stakeholders to deliver critical initiatives.

Core Competencies

Strategic Planning IT Infrastructure Software and Hardware Implementation Project Management Design and Configuration

Resource Allocation Testing and Troubleshooting Client Relations Cross-Functional Leadership

Technical Skills

Telecommunications: Cisco Telecommunications, LAN and WAN solutions, Apache Ant, Jenkins, Query Reporting SQL Powerpivot, Doc Book XSL / XSLT advanced, OS- VMware ESX v5.x, AIX, CentOS.

Networking: Barracuda Web application Firewall, Baracuda Web FIllter Firewall Failover, DNS Modification, Zabbix, TriNet, switch management.

Operating Systems: Windows 2003/2008/2012, Red Hat Linux, and Red Hat Linux Enterprise.

Data Technologies: XML.

Applications: Exchange 2003, Exchange 2010, SQL 2004, SQL 2008, Right Fax, Lapaki, Spiceworks, Horizon View, Domain Controllers, Print Servers, Core Services (DNS, DHCP, NTP), Bus Call, Core DB on Oracle, MySQL, Oracle BI for Lapaki, Lawson, J40, Lawson, Lapaki, Hudson, Al-Desk, Al-Pro, Adobe, Barracuda Web Filter/Message Archiver, PST Enterprise, IC Business Manager, Nitro 10, Right Fax, Smart PSS, Simple Help, PDQ, Adobe CS4/Cold Fusion/XI Pro, Angel Trax, Manager Plus, Avaya VOIP, AXIS, Fleetmax, Fuel Master.

Programming Languages: Python, Ruby, JavaScript, ReLaXed.js, CSS,CSS3.0 with PMM advanced.

Other Technologies: AutoCAD, MS Visio, MS Office Suite.

PROFESSIONAL EXPERIENCE

Electronics Technician IV General Dynamics Information Technology, JBLM, WA Sep 2020 – Present

Plan, coordinate, and maintain all aspects of home station mission command center system suite (presentation and conference system) across I Corp and 7th ID customer, including hardware and software upgrades and maintenance.

Direct installation, reconfiguration, maintenance, and calibration of Cisco switches, Biamp products, Novel, Crestron, Extron, Harris, Thales, Barco video walls, Vaddio Cameras, Dante, and VOIP IPof a large-scale data and communication network.

Write procedures for electronic operations, calibration, and installation across user to administrator levels.

Train field staff in standard procedures for maintenance, troubleshooting, and field repair of telemetry and power systems.

Maintain technical expertise in all areas of network and system hardware and software interconnection, including Cisco Switches, Cisco Codecs, Fiber Transmitters, Receivers and Matrix Switchers, and BIAMP Audio Controllers.

Identify and resolve issues on OSI Layers 1-3; manage Cisco video teleconference operations and connections.

Audit system using Splunk and system logs to meet industry standards and document system architecture.

Telecommunications Engineer Saalex Corporation Information Technology, Honolulu, HI Nov 2019 – Sep 2020

Provided technical expertise on telecommunication system design, requirement gathering, and technical implementation for C4/IT installation within MILCON and MAMIZU projects in compliance with UFC, NFPA, and other regulations.

Performed all aspects of telecommunication infrastructure systems design and project management, including requirements gathering for mission command systems and testing of hardware, software, and network configurations.

Installed and troubleshot video conferencing equipment, cables, and peripherals across NIPR and SIPR network configurations.

Created, updated, and maintained program technical documentation, including 1391, BESEP, drafts, and vett CAD drawings.

Served as liaison between technical and non-technical stakeholders to ensure effective project execution.

Examined processes, systems, and workflow to facilitate process improvement while maintaining security and integrity standards.

Provided all levels of support for LAN and WAN solutions based on operations and facility needs.

E2E Systems Engineer General Dynamics Information Technology, Honolulu, HI Mar 2018 – Nov 2019

Planned, coordinated, and executed Corps and below level training exercises; installed, configured, and maintained SIPR network.

Served as Arure Resource Manager Cloud, ARM SQL database, json file syntax, web applications, load balancers, managed resource groups, backend databases (storage), VM creation, deployment, and management of resources.

Repaired, maintained, and commissioned Cisco wireless, call manager, routing, and switch configuration.

Configured and maintained multiple server stacks, including security patches.

Operated, integrated, and fielded constructive simulation models in support of exercises and training in classrooms and work cells, reconfigurable tactical operations centers (RTOCs), vehicle pads, and other related training locations.

Managed teams of 30+ members consisting of OSI model L1-L4 Networking, Layer 1 techs, C4I, Simulations teams.

Provided guidance to army personnel for scheduled, unscheduled, preventive, and corrective maintenance for VoIP system servers (CUCM, CUC, CUP, Cisco License, and WebEx) and routers (CUBE boundary gateway, media gateway).

Maintained network performance, upgraded network by conferring with OEM, and ensured systems are compliant with all DISA System Technical Implementation Guides (STIG), Approved Products List (APL), Time Compliance Network Orders (TCNO), and Information Assurance Vulnerability Alerts (IAVA).

Provided technical assistance to government personnel associated with operating and maintaining DRSN, VoIP, or VoSIP.

Performed systems development and design work to include logic design, I/O design, firmware development, model formulation, cost projections, computer architecture analysis and design, and analog or digital systems engineering.

Linux Systems Administrator Genesis Business Systems J6IT, Camp Smith, HI Jan 2018 – Mar 2018

Installed, configured, administered, mission-critical systems, services, and infrastructure hardware.

Planned and scheduled installation of new or modified hardware and Linux-based operating systems and applications software.

Implemented Domain Name System (DNS) Security (DNS SEC) on Bind DNS servers.

Completed STIG validations on 30-40 Linux-based systems and applications; ensured all vulnerabilities are properly accounted for.

Maintained applications operating on Linux-based systems, including SMTP relay services, Bind DNS, VMware, Splunk SysLog Server, Assured Compliance Assessment Solution (ACAS).

Analyzed Private Branch Exchange (PBX) systems and developed software update procedures.

Designed and implemented SysLog Server for collection of PBX system logs.

Federation Network Manager Raytheon, Honolulu, HI Mar 2017 – Mar 2018

Installed and configured infrastructure hardware across Windows and Linux operating systems, servers, and call managers.

Worked with network engineers, cable installers, and information security specialists to implement information processing and management solutions.

Setup distributed operations networks both hard-wired and RF, to collect video, HITS, tactical voice, and LMRs in one centralized location; managed a $3M IT inventory.

Performed tests on tactical radios (HARRIS, THALES, Raytheon), communications equipment/systems, and circuitry components.

Experienced with AN/PRC-117G, AN/PRC-150, AN/PRC-117F, AN/PRC-160, MUOS, Multichannel Tactical Radios AN/117G SOTM, and Harris waveforms: ANW2, DAMA IW, P25.

Systems Administrator Roberts Hawaii Transportation, Honolulu, HI Aug 2016 – Mar 2017

Installed, configured, maintained SQL server for data storage purposes; performed agile software development.

Managed upgrades, licensing, system administration, user access, and role definition for all applications, including J40, Lawson, Al-Desk, Al-Pro, Adobe, PST Enterprise, Smart PSS, Simple Help, PDQ, Adobe CS4/Cold Fusion/XI Pro, Angel Trax, Manager Plus.

Oversaw networking, including Barracuda Web application Firewall, Baracuda Web FIllter Firewall Failover, DNS Modification, Zabbix, TriNet, switch management.

OS- VMware ESX v5.x, Windows 2003/2008/2012, AIX, CentOS, Red Hat Linux, and Red Hat Linux Enterprise.

Responsible for cameras, coder-decoder (CODECs), monitors, onscreen menus, collaborative tools VTC scheduling setup and operations, internet Protocol (IP) infrastructure, multi-session, multipoint control unit(MCU), bridging service, remote diagnostics,

Data Analyst TekSystems, Remote Mar 2009 – Aug 2016

Designed and developed electronic data processing systems and procedures for Army National Guard.

Developed plans for implementation of recommended systems and procedures.

Interpreted data, analyzed results using statistical techniques, and provided ongoing reports on PHI PII.

Performed limited development and documentation of components of new software programs.

Used Doc Book XSL / XSLT advanced, Ruby, JavaScript, ReLaXed.js, CSS, CSS3.0 with PMM advanced to create website.

Previous Roles include Human Resource Specialist at Department of Defense, Medical Records Technician at Department of Veterans Affairs, and Unit Supply Specialist at US Army.

EDUCATION AND PROFESSIONAL DEVELOPMENT

Professional Certifications: CompTIA Security+ CE, Linux + CE, Extron, Biamp, and Tesira, Six Sigma Project Management, ITIL Foundation.

Master of Science in Information Security, University of Phoenix

Bachelor of Science in Software Engineering, University of Phoenix

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