Sohail Haidari

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SENIOR SYSTEMS ENGINEER

Koniag

Oct 2022 - Current (3 years 10 months)

• Currently coordinating the day-to-day operations and maintenance of the Windows and RHEL instances and identifying and implementing innovations to ensure and improve maximum availability, performance, and security for the Government Customer. • Coordinating with the operations, maintenance, and improvement of the Government Customer's Windows and RHEL environments including event, incident, change, problem, and patch management. • Monitoring health, performance, and operational trends in the AWS environments to proactively identify is sues before they become incidents. • Supervising and closing tickets and manage incidents, service requests, and problems through their full life cycle. • Creating, and maintaining PowerShell scripts fo

SENIOR SYSTEMS ENGINEER

Peraton

Apr 2022 - Oct 2022 (7 months)

• Analyzed, designed, tested, and deployed Active Directory, Azure AD components & Domain Controllers. • Advanced use and knowledge of PowerShell scripting with the capability of understanding cloud scripting. • Tier 3 level troubleshooting including diagnosing complex replication and multi domain issues. • Independently managed and performed engineering role for large scale Active Directory efforts and initia tives. • Analyzed current Active Directory Security Baseline deployments to identify both technical and operational challenges while making recommendations and developing solutions for improvement.

SYSTEM ADMINISTRATOR

Disys

Apr 2021 - Feb 2022 (11 months)

• Provided solutions to a variety of technical problems of moderate scope and complexity. • Assisted with the implementation of established security requirements. • Implemented safeguards to protect information against accidental or unauthorized modification, destruc tion, or disclosure to meet emergency data processing needs. • Monitored information security reports and implement established security measures. • Assisted with installation of patches, modifying security files, control files and data access and corrects er rors. • Followed established procedures in the management of user system access to meet security requirements. • Lead implementations of hardware and software security measures for transmission and storage of infor

SYSTEM ADMINISTRATOR

GDH Consulting

Jan 2020 - Apr 2021 (1 year 4 months)

• Primary owner and SME for Windows OS administration and assigned applications. • Evaluated, monitored, and enhanced DoD IT infrastructure with an emphasis on availability, reliability, scalability, security, data confidentiality and system integrity. • Installed, configured, and managed roles such as Windows Server Updates Services (WSUS), DNS, DHCP, IIS, File and Storage Services, Active Directory Certificate Services, AD Domain Services, Win dows Backup Services, Hyper-V, and Volume Activation Services. • Interfaced with developers to complete requests for deploying servers and installing software for various applications in the development, test, QA and Prod environments. • Managed vCenter environments of versions 6.0, 6.5, and 6.

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SYSTEM ADMINISTRATOR

perfecta

Jan 2019 - Dec 2019 (1 year)

• Researched, and deployed an open-source thin client solution (OpenThinClient) of more than 300 clients to customer location, decreasing company spending on the project by 90%. • Managed development, test, and production environments. And completed tasks for developers and other requestors needing special environments for their applications. • Installed, configured, and administering Windows Server 2012, 2016, and 2019. Planned and deployed multiple domains in a multi-forest environment, domain controllers, DNS servers, DHCP servers, AD Cer tificate Services, IIS Servers, SQL Database. • Planned and executed the migration of AD database from old forest to new forest in a seamless fashion. Old forest contained domains for production, te

WINDOWS ADMINISTRATOR

VeriSign

Jun 2018 - Nov 2018 (6 months)

• Maintained Microsoft Windows server 2008/2012/2016 virtual machines and desktop operating systems, applications such as Exchange Server 2013/2016, MSSQL Server, IIS Server and Terminal Services, Of fice Products, and other Microsoft applications. • Managed Active Directory and its components – containing multiple sites, domains, trusts, users, groups, OUs, and GPOs. • Managed vCenter virtual machines and templates. Granted permissions, created new VMs, configured virtual machine settings and monitored vCenter for any issues. • Applied Group Policy Objects (GPOs) company-wide and departmental requirements, meeting role spe cific, user access and least privilege security requirements. • Developed, installed, configured, and tested serv

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SYSTEM ADMINISTRATOR

Atos Inc.

May 2015 - Apr 2017 (2 years)

• Tracked and controlled Microsoft's system deployment plans, system monitoring and system services, service ticket requests, and client inquiries in a network operations environment. • Resolved critical system outages and tracked incidents in a timely manner. • Maintained 99% uptime of critical systems and services. Logged and tracked service requests in the es tablished ticketing system (ServiceNow), prioritized and escalated jobs as required. • Experience in remote control, patch management, software distribution, operating system deployment, network access protection, and hardware and software inventory using System Center Configuration Manager (SCCM). • Configured and managed vCenter virtual machines, resource groups, clusters and

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OPERATIONS AGENT

Best Buy Co., Inc.

Jun 2014 - May 2015 (1 year)

• Greeted clients, assessed client pc, analyzed security risk on hardware/software and provided remedia tion to ensure system is fully operational once again. • Set-up new PCs and patched the systems to ensure no unused port is available, unwanted applications are deleted, and antimalware is installed including web security. • As a preventative measure, ensured clients were educated on up-to-date vulnerabilities along with mal ware and spyware. • Provided backup services to clients that could not retrieve data on their hard drives; ran diagnostics (em bedded and proprietary) to find cause; eradicated registry, file, and boot sector infections in the process. • Enabled encryption on hard drives, folders, files, documents, and email for

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WINDOWS SYSTEMS ENGINEER

TMR Inc.

• Supporting state-of-the-art IT infrastructure, along with services and personnel in a government facility. • Maintained and oversaw CRITICAL federal IT infrastructure; assisted 1200 users with almost 3000 de vices: desktops, laptops, and mobile devices. • Provided support in an environment with 300 servers, physical and virtual Windows machines. • Responsible for the administration of Windows 2008/2012 R2 servers, Windows desktop and MacOS Ad ministration, mobile computers, mobile devices, local and network printers and peripheral devices. • Executed patching of 500+ endpoints using IBM End Point Manager (BigFix) to align with government policy on security controls. • Used Splunk to analyze network, endpoint, device, and application

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