Senior System Engineer
Cerner Corporation LLC
Total years of experience :19 years, 5 Months
• Working as a Lead Engineer in the Operations team part of the global infrastructure team, core responsibilities included but not limited to the successful implementation of Cerner solutions within healthcare environments across the globe.
• Working on or leading assigned projects, completing changes, and incident management tasks on a timely basis and providing tier III support as needed to various data centers across the globe.
• Actively involved in designing and implementation of new sites (production and DR) which includes virtual and physical infrastructure planning, designing and implementation using VMWare and Windows Servers.
• Strong troubleshooting skills on VMWare and windows servers’ technologies including but not limited to ESXi 6.0, 6.5, 6.7, windows server 2008, 2012, 2016 and 2019.
• Configuration, administration, troubleshooting and management of Active Directory and GPOs as well as DNS, DHCP and NFS.
• VM Templates creation, deployment of VMs from templates and resources allocation.
• Performing snapshots, cloning, cold migrations and hot migrations.
• Creation and management of clusters for high availability (HA) and distributive resource scheduling (DRS).
• Managing changes and project activities, ongoing performance tuning, hardware/OS upgrades, and resource optimization.
Major Projects:
DR site implementation in New South Wales
Site upgrade for client in Malaysia
HPE Synergy implementation in New South Wales
VMWare vSphere upgrade from 5.5 to 6.5 in New South Wales
VMWare vSphere upgrade from 5.5 to 6.5 in United Kingdom
• As lead Systems Engineer, providing systems engineering expertise to manage, administer and monitor 200+ Microsoft Windows 2003, 2008 & 2012 Servers.
• Managing Active Directory Domain Controllers, Users, Computers, Group Policies, DNS, DHCP, File Servers and Print Servers.
• Implementation, management, and administration of company’s virtual infrastructure which includes VMWare vSphere and VCenter Servers as well as Hyper-V Servers.
• Administration & Management of System Centre Configuration Manager (SCCM) for more than 3000 Computers and 200+ Servers, performing software distribution, patch management and Operating System Deployment.
• Management and administration of Microsoft Exchange Server 2010.
• Managing HP Servers and HP Blade Server Enclosures (c7000 G2/G3), HP Storages and EMC Storages (VNX5400).
• Designing and implementing short- and long-term strategic plans to ensure infrastructure capacity meets existing and future requirements.
• Directing and administrating a team of systems engineers during day-to-day operations and conducting performance reviews and corrective action.
• Responsible for vendor evaluation, providing recommendations for selection, & on-going relationship management.
• Implementation and management of 2-Node Print Queue Cluster & File Server.
• Proactively monitoring systems health by physically inspecting environment and utilizing provided tools such as Orion Network Performance Monitor.
• Heavily involve in troubleshooting complex IT issues related to client operating system, MS Office, Outlook, remote VPN, Citrix client and other direct or indirect escalations by second level support team.
• Server and Client-side support for Health Care Applications - PACS, Dragon Enterprise Solution, and Dictaphone etc.
• Assisting in troubleshooting production issues with members of other teams within I.T department as well as with other business entities.
Major Projects:
VMware vSphere®5.5 Upgrade
System Centre Configuration Manager 2007 Deployment
Exchange 2010 Upgrade
AD Infrastructure Upgrade
AD Consolidation Project
Nursing Station Kiosk
•Assists in the planning and implementation of additions, deletions and major modifications to the supporting infrastructure company-wide.
•Implements network security at the corporate level.
•Recognizes necessary network improvements and makes suggestions to Director.
•Training & Maintenance
•Coordinates the resolution of all corporate help desk activities.
•Helps decide, in conjunction with corporate leadership, which software and hardware products and other equipment are most suited for use within infrastructure.
•Manages software licenses on a company-wide basis.
•Working (remotely) on Live Web & Database Servers placed in UK.
•Management, Maintenance and Administration of Active Directory.
•DNS Server (windows) Maintenance.
•Security implementation regarding websites (accountscentre.com, infinibiz.com, infinishops, etc)
•Files & Folder level security, Password Protection & User Level Security
•Creation, Deployment, Management, Maintenance & error resolutions regarding live websites as well as applications.
•Database Server Handling and Maintenance, SQL Servers Replication, Scripts and queries execution
•Management, Maintenance and Administration of WSUS Server (Patch Management Server)
•Systems documentation including hostfile, IIS, services, users, applications etc.
•Monitoring system usage and evaluate performance against defined performance goals
Task regarding Local Servers (In Pakistan)
•Management, Maintenance and Administration of Microsoft Visual Source Safe (VSS)
•Additional duties include the development and maintenance of systems documentation.
•Also involve with developers to resolve application bugs and errors
•Monitoring of Web and Database servers, backup and recovery
•Day-to-day administration, maintenance, and support of computer systems and networks.
•Developed asp.net application to automate the daily tasks.
Research based Tasks
•Network Load balancing of live websites
•DNS Zone replication on multiple servers for fault tolerance
•Task Scheduling Application for local users for deployments as well as SQL scripts
Setup, Installation, Configuration and management of company’s Local Area Network including Active Directory, DNS Server, Microsoft Internet Security & Acceleration 2000 (ISA) Server, WSUS, Anti-Virus Server and Additional Domain Controller.
Specialized in Computer Systems and Computer Networking areas. Contributed to team projects, to create simulated real-world applications. Served as Teaching Assistant for introductory programming class, responsible for assignment grading, class review sessions, and one-on-one student meetings.