We provide IT Staff Augmentation Services!

Senior Systems Administrator Resume

3.00/5 (Submit Your Rating)

Herndon, VA

SUMMARY:

To obtain an IT support position where I can apply my 20+ years of experience as a Senior Systems Administrator and Team Lead with project planning and computer systems integration including implementation, configuration and support for multiplatform systems running in datacenter and virtualized environments such as vMware, AWS and Azure.

CORE COMPETENCIES:

Administration: Microsoft Active Directory and Group Policy administration, Cloud Computing Platforms include AWS & Azure, PowerShell, Terraform, GitHub, Cisco Unified Communications Manager, Cisco Unity Connection, DNS, Confidential Directory Services, ConsoleOne, CA Technologies Service Desk, Track - It Help Desk Ticketing System, Websense SMTP Email Protection

Hardware: Windows Server (all versions); VMware’s ESXi (all versions), Confidential NetWare 2.x, 3.x, 4.x, 5.x, 6.x, OES; Cisco Unified Communications Manager, Citrix XenServer, Citrix Presentation Server, Exchange 2003/2010, GroupWise 4.x, 5.x, 6.x, 7.x, 8.x; Lotus Notes 8.x, Windows Terminal Server, Ubuntu, Windows Clients HP Proliant Servers, HP NetServer Servers, Dell PowerEdge Servers and M1000e chassis systems, CheckPoint Firewall, Cisco PIX Firewall, Cisco Catalyst Switches, Cisco 7800 Series Media Convergent Servers, Cisco 7900 series phone systems, Dell PowerVault Tape Libraries

Utilities: Security Content Automation Protocol (SCAP) checklists, STIG Viewer, Group Policy Management Console, Acronis True Image, Symantec Norton Ghost, Symantec Enterprise Protection, Symantec Backup Exec, PGP Desktop Encryption, RSA AceServer and SecurID, Putty

PROFESSIONAL EXPERIENCE:

Confidential, Herndon, VA

Senior Systems Administrator

Responsibilities:

  • Responsibilities include system and server virtualization, installation, configuration and hardening, Active Directory administration as well as Group Policy, DNS and IIS management. In addition, deployment of new software code to support the Disaster Loan Assistance Portal (DLAP) web based service that small business owners and homeowners use to apply for and check on the status of these loans was performed on a regular basis during off peak hours to ensure 99.95% uptime.
  • Support for over 100 Windows based virtual servers running on ESXi 6.0 hosts. Includes administration and support for Microsoft’s Active Directory Domain Services, Internet Information Services (IIS), Windows Server Update Services (WSUS), Key Management Service (KMS), McAfee ePolicy and OpManager.
  • Support for datacenter to cloud migration including AWS and Azure system administration.
  • Instrumental in the successful implementation of the upgrade from Windows 2008 to Windows 2012 and the DCMS hardware Tech Refresh project.
  • Developed test environments and conducted extensive testing of new software products prior to implementation to ensure a smooth transition into the production environment.
  • Install and configure hardware and software components for servers and clients throughout the network.
  • Respond to and mitigate security findings in a timely manner ensuring system integrity.
  • Perform monthly patching on all systems ensuring that they are current and appropriately protected.
  • Provide weekly and monthly status reports as requested by management.

Confidential, Arlington, VA/Fort Meade, MD

Senior Network Engineer/IT Dept Manager

Responsibilities:

  • Performed server virtualizations significantly reducing hardware costs by allowing multiple servers to run on the same hardware platform.
  • Performed installation and configuration of Cisco Unified Communications VoIP systems.
  • Participated in all aspects of a complete email system migration from Confidential ’s GroupWise to Lotus Notes.
  • Reduced help desk ticket response time by developing an automated, user friendly help desk ticketing system.
  • Customized and implemented an email filtering system helping to maintain system integrity and provide critical systems security.
  • Provide weekly and monthly status reports as requested by management.

Confidential, Fairfax, VA

Senior Network Engineer

Responsibilities:

  • Provided uninterrupted service, upgrade and maintenance services for a 300 node Confidential NetWare/ Microsoft Windows network as a subcontractor for Confidential on a major contract for the IRS.
  • Provided administrative support of domain, post office and client components for Confidential ’s GroupWise 6.0 electronic mail applications and Microsoft’s Active Directory.
  • Installed and configured hardware and software components for servers and clients throughout the network.
  • This includes support for secure dial-in/dial-out communications systems, local and remote e-mail systems and Internet/Intranet access services.
  • Worked extensively with NetWare Directory Services (NDS) performing partition and replica management operations.
  • Configured and administered DNS (Domain Name System) and DHCP (Dynamic Host Configuration Protocol) servers.
  • Developed test beds and conducted extensive testing of new hardware and software products prior to implementation to ensure a smooth transition into the production environment.
  • Maintained network security at a level that meets the IRS’s rigorous requirements.
  • Planned and coordinated major upgrades to network operating and electronic mail systems.

Confidential, Washington, DC

Senior Network Engineer

Responsibilities:

  • Charged with designing, implementing and maintaining local and wide area network solutions.
  • These include electronic mail routers, shared communications pools, centralized network-based fax systems and remote/dial-up network access for internal and external Confidential clientele.
  • Designed, configured and installed multi-platform local area networks.
  • Proficient in a number of network platforms including Confidential NetWare 3.x, 4.x and Microsoft Windows NT.
  • Highly experienced in total network integration including all aspects of software and hardware configuration of servers and clients.
  • Additionally, served as a technical manager for Confidential ensuring that all technical staff maintained the knowledge required to provide quality support to its clients.

Confidential, Washington, DC

Network Administrator

Responsibilities:

  • Developed standard workstation configurations for all network clients to facilitate network operations and performed upgrades to all hardware and software products as required.
  • Developed a test bed for the testing of changes to the standard network configuration so that new HW/SW could be checked for compatibility and system impact prior to actual implementation.
  • In addition to LAN/WAN duties, provided technical support for a Convergent Technologies (CT) mainframe network with over 180 nodes. In this environment, installed and maintained both software and hardware modules and performed equipment and software tests as required.
  • Developed criteria and specifications for various office automation projects and designed several database management systems and provided training in support of various administrative tasks.

We'd love your feedback!