Chad Lester Email & Phone Number

San Mateo, California, Us

VMware by Broadcom Government Services (VGS), FedRAMP; VGS SRE team• Automate infrastructure and service upgrades, improving efficiency and reducing manual intervention.• Participate in change management meetings to coordinate team efforts and plan for requested changes.• Implement changes for multiple business units, ensuring smooth operations and system stability.• Collaborate with development teams to enhance the maintainability and reliability of services.• Maintain SCOPE cloud services, performing service updates using CI/CD tools to ensure continuous delivery.• Monitor and analyze key performance metrics, logs, and alerts, automating responses to improve service monitoring and performance.• Ensure compliance with security standards, maintaining a secure environment and adhering to industry regulations.• Conduct post-mortem analyses to identify and prevent the recurrence of system failures.• Provide on-call service support, addressing and resolving service issues promptly during regular shifts.• Manage licensing, patching, and compliance tasks, utilizing build tools to ensure full regulatory adherence.• Knowledge and experience with NIST Policies, Governance, Security Planning and Architecture, FISMA Compliance, RMF, Incident Analysis, and General Security Best Practices.

Palo Alto, Ca, Us

VMware Government Services (VGS), FedRAMP; VGS SRE team• Utilized automation tools to deploy and manage cloud infrastructure efficiently.• Developed and maintained scripts (Bash, PowerShell, Python) to automate tasks such as backups, updates, and monitoring.• Managed CI/CD pipelines using tools like Jenkins and GitLab CI to streamline automated deployments and infrastructure updates.• Lead daily change management process and root cause analysis for department• Administered department Active Directory structure• Participated in government and Department of Defense audits

Scottsdale, Arizona, Us

* Co-lead closure and relocation of a large datacenter site * Held regular audits of all corporate systems.* Implemented and maintained server patching, DR/backups, and other maintenance for all VMs in Azure environment.* Migrated users from antiquated SCCM systems to InTune for MDM compliance project.* Handled all Microsoft licensing requests, managing the company's volume licenses via Volume Licensing Service Center (VLSC).* Subject matter expert for Mimecast products; daily administration duties and configuration changes as needed, certified as Warrior Level 1.* Mentored other team members in order to accelerate their development.* Created and organized internal documentation for my team and the IT HelpDesk team.* Responsible for designing, organizing, modifying, and supporting corporate computer hardware and software systems.* Technologies included: Office 365/M365; Exchange, Active Directory, Azure AD, InTune; Powershell scripting; IBM MaaS360, Linux; Windows Server 2008, 2012, 2016, 2019, 2022; SQL; Azure VM deployment and maintenance, VMware, Citrix, Okta administration, Box administration, Slack Grid administration, AWS, Mimecast administration, Cybergraph implementation and administration, KnowBe4 configuration; Ivanti; Oomnitza; ZenDesk; Jira and Confluence.

Joginder Nagar, Mandi, Joginder Nagar, Mandi, In

Responsible for the technical design, planning, implementation, and the highest level of performance tuning and recovery procedures for mission critical enterprise systems for a manufacturer of aloe vera and health products including a large headquarters, multiple remote offices, manufacturing plants and plantations. Serves as a technical expert in the area of system administration for complex operating systems. Recommends the redesign and configuration of operating systems and system applications. Investigates and analyzes feasibility of system requirements and develops system specifications. Manages the day-to-day operations of the host servers and systems by monitoring system performance, configuration, maintenance and repair. Ensures that records of system downtime and equipment inventory are properly maintained. Ensures high availability and acceptable levels of performance of mission critical host computer resources. Applies revisions to host system firmware and software. Develops procedures to maintain security and protect systems from unauthorized use, acts of nature and user abuse. Works with vendors to assist support activities. Identifies methods, solutions, and provides project leadership and management in order to provide a high level of service to the enterprise.• Designed, implemented, configured and administers CyberArk PAS solution across critical systems and servers ensuring a secure and PCI compliant environment

North Bethesda, Maryland, Us

Maintains and Troubleshoots network services infrastructure such as Firewalls, DNS/DHCP, Internet Proxy, VPN, and Wireless Control System. Performs a variety of design, evaluation and implementation tasks to enable users and systems to maximize productivity. Evaluates and/or recommends hardware and software purchases related to the LAN/WAN networks. Role includes leveraging IT security standards related to the network and supports the internal and external audit requirements on an ongoing basis.• Maintains network services infrastructure and configurations to include DNS, DHCP, IP Address Management, Internet Proxies, VPN, Wireless Control System, load balancers and Firewall• Understands the interaction between applications and network infrastructure. Engineers network to provide optimum performance of application systems• Understands network security tenants, Information Security standards, and uses this knowledge to maintain network security assurance. Responsible for ensuring network security requirements are met on network equipment. Remediates security findings on network equipment and supports leadership in the audit processes• Performs a variety of maintenance and audits of network services systems. Such as upgrades (firmware, IOS, etc) to keep network current, auditing equipment for end of life status, system health checks & upgrading as necessary• Operates and ensures network monitoring and alerting systems are properly configured; works with Systems performance group to ensure alerts are accurate and actionable

Phoenix, Az, Us

- Daily operation, maintenance and troubleshooting of the enterprise network and network-related systems, such as authentication servers, IP telephony servers, firewalls, DNS, remote access systems, LAN connectivity devices, wireless etc.- Support resolution of Level 2-3 service calls, as needed, in a timely manner.- Support installation and maintenance of LAN/WAN circuits via corporate (e.g. T-1, OC-3, frame relay).- Support telcom add/ moves/ changes infrastructure.- Provides project support in the timely completion of Network Services projects, milestone dates- Works with AZNET in support of Cisco Routers and Switches in a WAN network environment.- Performs network troubleshooting to isolate and diagnose network problems.- Prepares and maintains documentation of network configurations.- Supports telcom infrastructure. Assists with the administration and setup of phones and telephone based systems- Accurately record, update and document requests using corporate IT service desk ticketing system.- Performs network troubleshooting to isolate and diagnose network problems.- Assists with installation and maintenance of desktops, printers and network related hardware- Assist in special projects as assigned by management.- Assist users with logged IT related incident service request.- Support resolving incidents and upgrade software and hardware ie. desktops, printers, copiers and scanners- Assists in supporting corporate applications, to the user(s) desktop.- Setup install, configure user computers for new users and ensure delivery of equipment In a timely manner- Assists with installation, maintenance, and support of servers

Provided superior support of the computer desktop environment by analyzing requirements, resolving hardware, software and networking problems, installing hardware and software solutions, administration and internal support of the client’s PCs, printers, servers, and related equipment including cell phones and notepads. Tasks include end user support, license tracking, and performing desktop and server monitoring, maintenance, upgrades and configurations for a variety of business clients including law, accounting, manufacturing and medical firms.• Provided helpdesk support and resolved problems to the end user’s satisfaction• Monitored and responded quickly and effectively to requests received through the IT helpdesk which included phone calls, emails and chat• Monitored service desk software for tickets assigned to the queue and processed first-in first-out based on priority• Modified configurations, utilities, software default settings, etc. for the local workstation and servers• Utilized and maintained the helpdesk tracking and monitoring software• Documented internal procedures and solutions in internal help desk database• Installed, tested, updated and configured new workstations, servers, peripheral equipment and software• Maintained inventory of all equipment, software and software licenses• Managed PC setup and deployment for new employees using standard hardware, images and software• Managed users and computers within Active Directory • Performed timely workstation and server hardware and software upgrades as required

Daily responsibilities include effective provisioning, installation/configuration, operation, and maintenance of systems and network hardware, software and related infrastructure for a high end luxury hair salon with four locations. Participated in technical research and development to enable continuing innovation within the infrastructure. Accountable for the following systems: Windows Server 2003/2008 and Linux systems that support network infrastructure, user administration, asset management and smooth continuation of salon operations, Televantage telephony systems and NAS storage systems.Upgraded and modified existing Microsoft Active Directory configuration to mirror geographic and operational infrastructure Engineered system-wide DHCP , DNS router and switch infrastructure upgradeModernized and upgraded existing VMWare solution Developed and documented disaster recovery, engagement, installation and configuration proceduresMaintained both internal and external company websitesImplemented major installation of new salon management software

New York, Ny, Us

Daily actives included day to day maintenance, configuration, troubleshooting and upgrades of enterprise level Cisco PIX, FWSM, ASAs, routers, Catalyst switches, McAfee Sidewinder proxies, WebWasher user proxies, and IPS intrusion protection systems. Created, implemented and optimized PIX and router security ACLs allowing third party access into American Express network. Provided engineering support for American Express wireless network companywide. Participated in 24/7 on-call rotation duties including successfully resolving various network outages and emergencies in a timely and cost-effective manner while following established change management and trouble ticket practices and to meet or exceed service level expectations of customers. Maintained viability and accountability for ensuring trouble tickets were resolved without unnecessary delay. Utilized solid knowledge of information security principles and practices. Developed documentation for department methods, policies and procedures. Successfully troubleshot layer 2 and layer 3 network connectivity issues. Proactively assessed potential items of risk and opportunities of vulnerability in the network. Worked closely with other teams, including security architecture and engineering, to improve the quality of in development and deployed solutions. Researched, tested and recommended new security tools and software for department needs. Gained reputation as a proven problem solver no matter what the situation.

Bonn, De

Systems engineer responsible for gathering project information and needs, translating these needs into a systems-based solution and successfully delivering the solution to the business unit. Provided full implementation of various DHL Worldwide Express software applications and hardware solutions, to include the installation of hardware, software, and network components.

Systems administrator for a farm of over 50 Windows 2003 Server systems. Installed, deployed, maintained, administered and upgraded servers to support the existing infrastructure. Designed and implemented upgrades, developed infrastructure, managed and automated recurring tasks, and helped ensured technology uptime and availability. Served as an escalation point for team including 24/7 on-call responsibilities in a demanding, fast-paced environment while maintaining a user-centered attitude of team work and courtesy.

As a consultant for a company providing managed services for IT, I was the single point of contact for my client's entire IT solutions. Performed all IT functions including network management, systems management, vendor relations, break/fix, desktop support and solutions deployment for companies ranging from a small office with a few employees to offices spanning multiple locations with over 100 employees.

Provided systems support for a combined sales, manufacturing and shipping center for luxury bathroom and kitchen fittings and plumbing with over 100 end-users including customer care, shipping, warehouse, office and support personnel. Maintained server, production and shipping systems to ensure smooth flow of business operations. Acted as a technical liaison between local site and company headquarters ensuring that local systems needs and concerns were acted upon and met in a timely and effective manner.

San Francisco, California, Us

Analyzed, created and maintained an inventory database for major financial institution’s regional data center with over 2500 servers, storage and component devices. Responded promptly and professionally to numerous requests from project managers and heads of business units for detailed asset information.

Bonn, De

Provided third-level support to end users on a variety of issues within DHL Worldwide Express' enterprise-level NOC and CSC encompassing over 500 users and server farm. Identified, researched and resolved wide variety of technical problems. Tracked and monitored issues to insure a timely resolution. Administered, installed, upgraded and configured workstations, laptops and servers. Provided tactical and strategic input on planning and implementing software and hardware upgrades, rollouts and related projects.

Reviewed, analyzed, and modified systems including testing, debugging and installing applications across a mutli-site clinic. Installed new software releases, system upgrades, evaluated and installed patches and resolved software related problems. Supported, monitored, tested, and troubleshot hardware and software problems involving applications and operating systems. Consulted with users to identify current operating procedures and to clarify program objectives.

Ba, History

Information Technology