
David Barber
Systems Administrator

Connect with David Barber to Send Message
Connect
Connect with David Barber to Send Message
ConnectTimeline
About me
Highly Skilled Senior Systems Engineer
Education

Hensmann Technology Inc
2005 - 2007MCSE 2003MCSE Certification studies

Widefield HS
1996 - 1998High school Diploma General Studies
Pikes Peak Community College
2013 - 2017Associate’s Degree Computer Networking Tech: CCNA AAS or CertActivities and Societies: Phi Theta Kappa

Cisco Networking Academy
2013 - 2015CCNA A
Colorado Technical University
2017 - 2019Bachelor of Science - BS Bachelor's of Science: Information Technology
Experience

Brotherton Rhodes Associates
Jan 1999 - Jan 1999Systems AdministratorPerformed system backups. Managed and maintained client server systems. Project Highlights: Managed project to include communications lease and system maintenance. Determined requirements and provided solutions.

DKAB Enterprises LLC
Jan 2000 - Jan 2018Information System SpecialistResearched and recommended network and data communications hardware and software.Worked closely with network administrators and server engineers to ensure quality service.Test circuits and components of malfunctioning telecommunications equipment to isolate sources of malfunctions.Test repaired, newly installed, or updated equipment to ensure that it functions properly and conforms to specifications, using test equipment and observation.Inspect equipment on a regular basis in order to ensure proper functioning.Repair or replace faulty equipment such as defective and damaged telephones, wires, switching components, and associated equipment.Adjust or modify equipment to enhance equipment performance to respond to customer requests.Assemble and install communication equipment such as data and telephone communication lines, wiring, switching equipment, wiring, power apparatus, computer systems, and networks. Show less

Tech4Less
Jan 2007 - Jan 2008Test and Repair TechnicianTest and Repair consumer electronics for resale on company website. Reported on how equipment tested troubleshooted any problems that may have occurred ordered parts and repaired equipment.Uploaded batch files to server using FileZilla.

Legacy Communications
Jan 2011 - Jan 2012Install TechnicianConverted standard cars to Police vehicles by installing Motorola UHF radios, sirens, lights and barriers for transport also supported military and IRS vehicles. Maintained office computers and networks including the wireless.

Legends Kitchen and Bath
Jan 2014 - Jan 2016Systems AdministratorManaged user accounts, credentials, permissions, access rights, storage allocations, and active directory administration. Oversaw system performance and report generation. Ensured an uninterrupted internet connection and managed mail servers for sending and receiving emails and file servers for saving and managing data. Administered all rewiring, upgrading, and re-cabling for QuickBooks. Led process improvements and modifications, as well as prepared and maintained ACL. Provided day-to-day Desktop Support while serving as a Windows Server Administration of Active Directory.Secured system integrity from any breaches/viruses and played an essential role in risk-mitigation planning, including creating backup plans, safeguards for data, user security policies, and identity management.Quickly resolved system failures and issues, as well as held full responsibility for troubleshooting routing protocols.Designed, organized, modified, and supported computer systems, including operating systems, business applications, security tools, web servers, email systems, and user hardware (laptops, PCs).Performed advanced root-cause analysis to diagnose system hardware and software problems; maximized the uptime of all computers/devices by tracking system logs, as well as maintained databases, programs, and network accounts.Verified operations and eliminated all system errors, entered commands, and monitored system functionality.Oversaw RTS system and all internal systems from development to final planning. Show less

Pikes Peak Community College
Jan 2015 - Jan 2017Customer Support CoordinatorManaged, maintained, and trained a constantly changing team of junior technicians, and administered call flows. Handled VOIP Phones with Cisco Uplinks, as well as VLAN and Port Management within the Cisco CLI. Deployed Microsoft technologies and managed all operations associated with them. Led server, desktop, and IT infrastructure analysis based on end-users requests and advocated for them in case of any issue.Oversaw and managed VPN connectivity while providing extensive user support to 60K users within the entire system in 3 separate locations; addressed technical concerns of the customers and timely resolved them. Assisted non-technical professionals with IT-related operations and reviewed technical documents. Addressed, assessed, and resolved complex IT-related issues leveraging a variety of diagnostic tools.Resolved hardware-related problems, installed required software/applications on it, repaired and modified outdated components, and provided end-user support on Windows and Mac systems.Provided training regarding network security and troubleshooting of data circuits to the IT team, as well as prepared workstations for staff on their relevant devices inclusive of PCs, Macs, phones, and laptops.Procured cost-friendly vendors' services/technicians and referred faulted software and hardware products to them; Devised and deployed new technologies and platforms in coordination with other offices/territories. Show less

LINX LLLP
Jan 2018 - Jan 2018Voice Data Technician IIIAdministered service changes for commercial customers from installation/troubleshooting fiber optic and copper cabling to completing network connects, reconnects, and disconnects operations. Terminated patch/runs of cable and operated all assigned tools/equipment promptly. Oversaw cable and mounted network cameras. Deployed technical procedures and relevant company policies to maintain data security.

303 Computer Solutions
Jan 2018 - Jan 2018On-Site IT ConsultantContract computer technician for commercial and residential clients.Provide technical assistance and support for incoming queries and issues related to computer systems, software, and hardware.Respond to queries either in person or over the phone.Write training manuals.Train computer users.Maintain daily performance of computer systems.Respond to email messages for customers seeking help.Ask questions to determine nature of problem.Walk customer through problem-solving process.Install, modify, and repair computer hardware and software.Clean up computers.Run diagnostic programs to resolve problems.Resolve technical problems with Local Area Networks (LAN), Wide Area Networks (WAN), and other systems.Install computer peripherals for users.Follow up with customers to ensure issue has been resolved.Gain feedback from customers about computer usage. Show less

DaVita Medical Group
Jan 2018 - Jan 2019Desktop Support (Contract)Monitored on-site and offsite networks/serves while managing all linked devices to maintain their connectivity with scanners, printers, and other peripheral equipment. Supported employees and customers in surmounting technical issues, and ensured smooth flow of communication via calls/email. Provided successful disaster recovery after malware attacks by backing up company data regularly; suggested network safety standards to the management and maintained maximum integrity and security of data, reports, and access. Developed a program for modification and integration to create compatibility with third-party software products. Show less

Synergy Partner Group
Jan 2019 - Jan 2019Systems Administrator IIIOversaw end-to-end management of communication and security technologies within customers’ IT infrastructure, as well as deployed firewalls/message encryption and other security measures to maintain network data confidentiality and safety. Leveraged complex tools to update Web page content/links. Administered and resolved all network/communication-related issues in collaboration with cross-functional teams. Provided disaster recovery services to backup/modify existing data.Tracked the operating system installed on multiple platforms to ensure infrastructure reliability and compatibility; timely reported any security breaches. Developed and implemented network policies, as well as prepared reports/documents for the senior management. Show less

Faneuil Inc
Jan 2020 - Aug 2022Sr. Systems EngineerEngineered multiple solutions to enhance overall system efficiency and mitigate network/security issues. Primary responsibilities included preparing and executing server/security audits, system backups and recovery processes, and documentation of system mapping, service, configuration, or process-related records. Provided comprehensive technical support to staff members on administration and utilization of multiple domains. Consistently delivered enhanced user experience by overseeing and developing a 3 member team to resolve escalated cases pertaining to system outages, patches, security risks, new account creation, access management, and password resetting. Facilitated 8K users with virtual products by developing and maintaining network infrastructure, as well as two-factor authentication and antivirus software. Assessed and cleared support tickets backlog within 3 days and leveraged solid technical acumen to resolve and mitigate major system failure issues resulting in enhancing overall system efficiency and effectiveness. Managed distribution support and functioned as the primary point of contact for critical level 3 support escalations while overseeing a team of 40. Provided expertise to the entire workforce on migrating to a remote work model while ensuring continuous business operations, minimizing system downtime, and resolving complex system issues. Show less

CACI International Inc
Sept 2022 - Mar 2024Systems Administration Design EngineerServe as the subject matter expert and technical advisor for junior staff on Software Maintenance Action (SWMA), supporting and maintaining U.S. Air Force Satellite Control Network (AFSCN) across network, range, and communication divisions/segments through scripting of standard OS patch installs/upgrading of storage, networks, and servers. Oversee and guide the team in analyzing Statement of Work, as well as Statement of Objectives for each project to understand both project and client requirements for designing and rolling out new changes to their systems. Facilitated implementation of Centralized Patching Platform using Tanium for air-gapped systems involving streamlining security updates on both Linux and Windows machines. Design scalable system and network architectures and tailored technical solutions to meet organizational needs while meticulously assessing, as well as communicating the operational impacts and efficiency improvements. Responsible for developing Bill of Materials, Basis of Estimation, and Rough Order of Magnitude for project forecasting and resource allocation, ensuring accurate financial and material planning. Optimize the Engineering Documentation Management process by contributing to the design and upgradation of USAFTechnical Orders by providing essential information to ensure accuracy and compliance in technical documentation. Oversee patch management for the USAF systems, lead the team in creating comprehensive installation and rollback plans, as well as conduct root cause analysis of issues in Windows OS and MS application security patch installations. Engaged in proposal development and responding effectively to customer modification directives while ensuring tailored solutions that align with specific client requirements and expectations. Show less

Tlingit Haida Tribal Business Corporation
Mar 2024 - nowSr. Systems IT Engineer
Licenses & Certifications

Certified WAN Administrator (CWA)
Jul 2012
Certified WAN Professional (CWP)
Jul 2012- View certificate

Certified Level 1 Duo Administrator
Duo SecurityJun 2022 - View certificate

CompTIA Security+: Authentication & Authorization Design Concepts
SkillsoftOct 2022 - View certificate

CompTIA Security+: Implementing Identity and Account Management & AAA Solutions
SkillsoftOct 2022 - View certificate

Duo Device Trust
Duo SecurityJun 2022 - View certificate

End-User Account Management
Duo SecurityJun 2022 - View certificate

CompTIA Security+: Physical Security Controls
SkillsoftOct 2022 - View certificate

Implementing Cisco Unified Wireless Networking Essentials
CiscoAug 2012 - View certificate

Certified Duo Help Desk Administrator
Duo SecurityJan 2021
Honors & Awards
- Awarded to David BarberColorado Opportunity Scholarship Initiative Colorado Opportunity Scholarship Initiative El Paso County Partnership - Skilled Trades Sep 2017
- Awarded to David BarberColorado Opportunity Scholarship Initiative Door-2-Door Initiative Colorado Opportunity Scholarship Initiative Door-2-Door Initiative Sep 2016
- Awarded to David BarberPHI THETA KAPPA MEMBER 000002773193 Aug 2014
Recommendations

Ravi ranawat
Assistant Manager (Procure to Pay) at GenpactJaipur, Rajasthan, India
Mike connelly
Operator Engineer & I.T. Support Technician at TradeprintGreater Dundee Area
Sivananda arcot doraiswamy
AE at Karnataka State Public works departmentBengaluru, Karnataka, India
Marcelo oliveira
Auxiliar administrativo no Laboratório ContraprovaSão Gonçalo, Rio de Janeiro, Brasil
Rares cristian baba
Manufacturing Engineering SupervisorCluj, România
Asad ullah khan
Executive Data Analyst at OMDDuisburg, North Rhine-Westphalia, Germany
Vaibhav taware
Software Quality Engineer | Automation & Manual Testing | Selenium, Java, API Testing | Agile Practi...Pune, Maharashtra, India
Harriet oliver
Business Owner and Art TherapistRye, England, United Kingdom
Rebecca johansson
Studying E-commerce Manager @IHMbusinesschoolStockholm, Stockholm County, Sweden
Sofía dezeo
Ejecutiva senior de cuentas en Cícero ComunicaciónSpain
Cebin michael
Financial Controller at JPMorgan Chase & Co. | Chartered Accountant | Expert at Regulatory Reporting...Mumbai, Maharashtra, India
Phuti maholo
Managing Director at Phumaholo holdingsCity of Johannesburg, Gauteng, South Africa
Pratik trivedi, msee
Electrical/Software/Machine Learning/AISan Jose, California, United States
Nick giannakopoulos
Graduate at National Technical University of AthensKorydallós, Attiki, Greece
Raphael damázio rodrigues neves
Planning I Product I Project I ManagementResende, Rio de Janeiro, Brazil
Alex thomas
UK Investment BankingLondon, England, United Kingdom
김기윤
트래블월렛 QA EngineerSouth Korea
Irene irere
Chief Executive Officer at FiNe Digital Creation CenterRwanda
Nikunj verma
SDE at Capgemini | Frontend Developer | JavaScript | Vue.js | JavaDelhi, India
Hoor monir swelim
Applications & Digital Solutions Director @ MDP | fintech | Issuer | payment systems | AcquirerNew Cairo, Cairo, Egypt
...