SUMMARY:

Dedicated Multiplatform System Administrator able to respond to a wide range of challenges with a focused and creative approach. Highly effective at problem solving and decision making and web server administrator. 12+ years of progressive IT experience.

EXPERIENCE:

IT SYSTEM ADMINISTRATOR

Confidential

Responsibilities:

• Configure and manage user’s security
• Create users account, administrative and standard accounts
• Manage and assign users policies.
• Manage and assign group policies
• Configure active directory federation services.
• Configure the Window and SAML 2.0 compliance federation services.
• Configure the single sign on SSO in active directory.
• Install, configure and deploy SCCM.
• Utilizes SCCM for patching, managing of operating systems, deployment, networking, remote control, protection and other varieties of services
• Installation of applications on to a server and client system.
• System updates and ensure standardization amongst systems.
• Create and manage users and group asses to shares.
• Set up users map into folders upon login.
• Write batch scripts to facilitate group users mapping on shares upon login.
• Effective utilization of Sysvol storage folder in script writing.
• Link other system to domains and configure them for single sing on in active directory.
• Configure access control and permission modification in active directory.
• Configure remote access to domain and active directory.
• Configure the active directory site server to talk with system center configuration management SCCM.
• Used the directory service repair tools to restore active directory database as a means of disaster recovery.
• Use the volume Shadow service VSS tools to restore shares accidentally modify or deleted.
• Microsoft Exchange Server: install, locate, configure and deployed; roles Mailbox server and Edge Transport Server, Domain setting, SMTP name Space, Authoritative and Relay domain set up.
• Solar wind monitoring tool
• Window password hack.
• Configure and setting of portal base on company SOP to ensure system high availability. Trinitech Portal, AWS Portia and Microsoft Azure Portia
• Using management tool to troubleshoot AWS system reliability and Microsoft Azure sessions
• Generating and transferring of login key from Window system to Linux and Unix in AWS
• Configure AWS dashboard EC2 instances in both Window2019 and Linux RHEL8 servers
• Identification of system loopholes and providing mitigation
• Conduct root causes and analysis to identify the source of error and report them to AWS and Azure.
• Utilizes AWS free tiers to trained students.
• AWS Portal administrator management VPC: Managing VPCs and Subnets, Managing security groups, managing environments, managing users permission, Creating users accounts.
• Installed and configured proprietary tool; cloud watch and third - party tools Splunk to monitor systems.
• Utilized the CIDR blocks to create unique identifier for network in availability zones.
• Create subnet that contain CIDR blocks within an availability zone.
• Extend VPC resources to AWS local zones.
• Subnet Aws outpost, VPC subnet sizing and adding CIDR blocks to VPC.
• Exchange server; install configure and deployed Microsoft exchange server for users to securely manage communication
• Perform multiplatform Server builds on VMware, which include Windows Server 2008, Microsoft SQL servers 2019, 2016, 2012, Microsoft Exchange server, UNIX Solaris 10, LINUX Centos 6.4, and RHEL 6.4.
• Responsible for assigning hostnames, static IP addresses, default gateway addresses and DNS addresses to Windows 2008 Servers to introduce them to the network.
• Use the “dcpromo” tool to configure DNS, Active Directory as well as to promote standard Windows 2008 servers to domain controllers.
• Windows 7, 8 and 10 NOS imaging and configurations and software deployment. Create new User accounts and profile on Windows NOS, UNIX and LINUX systems.
• Troubleshoot and resolve OS, application, malware desktop related issues on various Windows NOS. Use TCP/IP troubleshooting tools to troubleshoot and resolve network connectivity and DNS related issues in the LAN
• Configure Windows NOS clients to join the domain as well as configure file and print sharing on some Windows NOS to enable resource sharing.
• Experience in building and configuring VMware host and guess systems on Oracle Virtual Box as well as bridging the Guess VMware systems to communicate with other physical LAN systems.
• Increased system security and performance with proactive changes.
• Supported, configured, maintained and upgraded customer networks and in-house servers.
• Spearheaded server infrastructure development, quality control, staging and production operations.
• Integrated cutting-edge infrastructure tools to migrate network operations to virtual server computing environment.
• Consulted users to determine areas in need of improvement.
• Set up user accounts, permissions and passwords and defined policies, procedures. Password complexity and password aging.
• Determined and alleviated hardware, software and network issues.
• Submitted recommendations regarding infrastructure overhauls.
• Promoted continuous improvement for IT governance processes.
• Set up, optimized and managed network equipment.
• Kept flexible schedule and resolved after-hours and weekend emergencies quickly and accurately.
• Generated reports outlining network performance, costs and downtime issues.
• Developed and tested installation of company-wide servers for printing, file storage and applications.
• Managed network-related projects from concept to implementation.
• Provided effective resolutions to issues and escalated problems with knowledgeable support and quality service.
• Improved job tasks and mentored junior team members on best practices and standards.
• Assessed latest innovations to recommend and adopt cost-effective, useful solutions.
• Delivered reliable support for all server class systems.
• Orchestrated and oversaw upgrades to system hardware and software.
• Involved in setting up a hybrid cloud environment and expanding the local LAN to the AWS cloud.
• Responsible for spinning up AWS RHEL8 and Windows Server 2019 EC2 instances.
• Install and configure samba file server on the RHEL8 AWS EC2 instances, as well as configuring File and print sharing on the Windows server 2019 EC2 instances.
• Map network drives from local Windows 10 NOS systems to the RHEL8 EC2 Samba shares as well as the Windows Server 2019 EC2 shares
• Create and configure S3 buckets for data storage. Build and host static websites in S3 buckets. Create and attach EBS volumes to EC2 instances. Configure EBS volumes on EC2 instances to create LVM volumes on RHEL8 EC2 instances
• PAAS, IAAS; install applications, configure, deploy and migrate containers using dockers
• Install and Configure Ansible Servers on RHEL7/CENTOS7 for automation and configuration management as part of Trinitech DevOPS implementation.
• Add Ansible client systems to various inventory groups in the ansible hosts files as well as push the public ssh key from the ansible host to the ansible client systems.
• Configure modules and playbooks to push out sets of configurations and tasks to numerous Local and EC2 Cloud systems from the ansible server.
• For example, build modules to create User Accounts and install and configure Apache HTTP, as well as write playbooks to deploy packages, including Apache Tomcat to numerous local LAN and AWS EC2 systems
• Install and configure a Splunk Indexer Server on RHEL8 AWS EC2 instance for centralized log management, as part of Trinitech DevOPS implementation. Configure splunk forwarder systems to push out logs to the splunk indexer server
• Install and configure a Docker server on a RHEL7 server for containerization management, as part of a Trinitech DevOPS implementation.
• Build configure containers for application and OS deployment. Example Apache http, Nginx and CENTOS deployment
• Perform automation: using the at tool and the crontab tool; backup: using the cpio file: dump, cpio passthrough, tar and the rsync
• Build configure and deploy NFS servers in both Linux and Unix
• Patch management in Linux, Unix; live upgrade patching and live upgrade root fs expansion in Solaris 10 and single user mode patch method
• Patch management in Window
• Disaster recovery synology NAS; Linux and Unix
• Disaster recovery in Windows; VSS, advance bootup menu and data or complete system backup and directory service repair
• Nano server: role and feature, installation on 2016, Nano server in win server 2019, Key role in container, immutable infrastructure.
• Install IPA server, configure LDAP, Kerberos and bind servers, add LDAP to domain. Add services, add client server to the A record of the IPA, transfer LDAP certificate from LDAP server to client server.
• Linus advance installation: Kickstart; system-config-kickstart tool
• Solaris advance installation; jumpstart X86 Jumpstart Enterprise Tool

Confidential

JUNIOR NETWORK ADMINISTRATOR

Responsibilities:

• Assist in network design and implementation.
• Provide network support with a variety of operating systems.
• Install and configure computer network equipment.
• Maintain network connectivity of all computer workstations.
• Provide network support to users
• Maintain servers and associated hardware, applications, services, and settings.
• Implement and manage disaster recovery and back-up.
• Evaluate and recommend security improvements and system upgrades.
• Monitor network to ensure optimal performance.
• Create and maintain network users/permissions.
• Test release of products to minimize user impact and ensure compatibility.
• Create technical support documentation for systems and applications.
• Provided effective resolutions to issues and escalated problems with knowledgeable support and quality service.
• Improved job tasks and mentored junior team members on best practices and standards.
• Assessed latest innovations to recommend and adopt cost-effective, useful solutions.
• Delivered reliable support for all server class systems.
• Managed network-related projects from concept to implementation.
• Develop and monitor policies for the use of network resources.
• Rapid assessment, troubleshooting, and resolution of end user’s client network/application issues with little or no support from client or other resources within defined timeframes per SOP Service Agreement commitments.
• Proactive identification of current and potential client issues.
• Formulating plans to resolve or mitigate those issues.
• Clearly communicating the issues and plans through written and verbal communication.
• Executing plans quickly and efficiently with minimum impact to the client’s work environment.
• Relentlessly pursuing the resolution of outstanding issues.
• Deliver client solutions in a professional, error-free manner, on time and within budget. Ensure client fully understands new technologies and is comfortable with implementations.
• Treat client end users with dignity and respect and maintain professional integrity.
• Assist other team members in supporting current and new customer engagements.
• Serve as primary client contact as required maintaining client IT infrastructure with little or no supervision.
• Assist other departmental business functions as required.
• Maintain all company internal, external, and assigned client infrastructures within company’s service agreement parameters.
• Interface with third party vendors of hardware, software, and service providers to resolve issues and ensure efficient internal and client business operations.
• Study and understand product and solution features and requirements
• Create detailed project plans necessary to deliver solutions.
• Understand client’s business and business processes.
• Generate new sales within existing clients by proactively developing technology recommendations, priorities, timelines, estimates, and presenting them to clients.
• Demonstrate vision and discipline for clients.
• Proactively defining current and future technology needs.
• Formulating and presenting a plan to implement solutions for those needs.
• Clearly communicating the needs and plans through written and verbal communication If the client agrees to the work, testing the solution in a test environment.
• Executing the implementation quickly and efficiently with a minimum impact to the customer’s work environment.
• Create and maintain accurate and relevant technical documentation.
• Create and provide timely status and expense reports to clients and internal company resources.
• Write/perform test plans to ensure efficient solution implementation within client environment.
• Develop or implement technologies that will increase operational efficiency, reliability, and/or availability of company or client resources.
• Create knowledgebase articles to disseminate knowledge to company resources and clients.
• Test products and solutions to determine whether they meet documented specifications and quality standards, and follow procedures to report failures.
• Set up network and computer hardware and software to test products and solutions. Duplicate or troubleshoot product and solution problems.
• Follow company methodologies for solution delivery and issue resolution.
• Perform other short-term and long-term tasks and duties as assigned by Management.
• Thought leadership regarding new technologies relevant for internet/web/cloud-based solutions
• Stay abreast of new hardware, software and operating system technologies as well as the potential benefits and pitfalls of each one as they relate to solution offerings.
• Work performed are error-free. Service result in no or little downtime for our clients and internal resources.
• Upon work completion a step by step review by another team member to dot the I’s and cut the T’s ensure no callbacks for issues that were overlooked.
• Attention to detail.
• Documentation skills. Documentation are complete, accurate, and delivered with the completion of implementations or issue resolutions. It is written to be easily understood by the target audience.
• Methodical approach to problem solving.
• Good communication (written and oral) skills with staff and clients to develop an environment that promotes quality. Communication must be clear and concise.
• Ability to communicate/explain technical concepts to non-technical people and clients.
• Develop materials and deliver training to client end-users as required.
• Follow up after client contact to ensure quality and clarity of solutions.
• Ability to transfer knowledge to and train other company resources to facilitate team growth.
• Able to work as part of a team.
• Obtain/maintain product/technical certifications.
• Maintain skills in technical topics in order to efficiently execute job functions.
• Follow company methodologies for solution delivery and issue resolution.
• Perform other short-term and long-term tasks and duties as assigned by Management.
• Client Operations Support: Obtain and retain consistent, loyal clients through proactive and outstanding customer service and communication, while showing initiative and creative problem-solving skills.