STEVEN CORUJO
Williamsburg,VA
Summary
Dedicated Information Technology Professional with comprehensive server and troubleshooting experience to include twenty-seven years working for and with the military; eighteen years of experience in the Information Technology field - positions included Staging Lead, Field Engineer, System Administrator Sr., Lead Web Administrator, Infrastructure Specialist, and Citrix Technology Consultant, SQL DBA. Over twelve years of experience working on the world’s largest purpose-built network for the Navy. Expertise in System Administration to include setup and maintenance of physical/virtual servers, managing user profiles, application of security updates, and troubleshooting hardware/software related issues.
Overview
33
33
years of professional experience
1994
1994
years of post-secondary education
1
1
Certification
Work History
System Administrator
Imagine One
09.2018 - Current
- Manage Windows/Citrix servers in nine different Citrix farms to include daily system monitoring, troubleshooting outages, and resolving user-related issues.
- Establish and maintain user accounts, assigning file permissions and establishing password and account policies.
- Perform Active Directory administration to include GPO creation and troubleshooting.
- Create and modify Power shell scripts when needed to streamline processes, and complete complex tasks.
- Manage our Citrix Provisioning infrastructure, maintaining seven different virtual disk images.
- Install, upgrade, configure, test, maintain, and support operating system software in nine different environments.
- Participate in reviewing performance logs and monitoring system performance.
- Install, configure, upgrade, and test all types of Microsoft and locally developed applications installed in the environments we manage.
- Perform daily system monitoring and verifying the integrity and availability of all Citrix servers in 9 different domains.
Citrix Technical Consultant
Perspecta
04.2014 - 09.2018
- Administrator for both Server Based Computing (SBC) and Hosted Virtual Desktops (HVD) solutions which consist of 9 different farms servicing thousands of users.
- Proficient with Citrix Xenapp, Xendesktop, Xenserver, and Netscaler Appliances.
- Responsible for the operation, maintenance, and troubleshooting of multiple Citrix servers and solutions.
- Help make strategic decisions for the ongoing development of the Citrix infrastructure.
- Configures and manages the underlying hosting virtual infrastructure for the Data Center virtual environment.
- Configuration and management of Virtual hosts & storage hardware.
- Ensures VMware infrastructure can support future requirements.
- Apply appropriate STIGs to ESXi hosts and virtual machine settings.
- Responsible for health and operation of VMware infrastructure.
- Apply OS security patches, relevant to IAVA/IAVB, CTOs, and STIGs.
- Respond to Service outage escalations.
- Ensure operational needs are documented and communicated back to engineering.
- Train and mentor other team members to strengthen their skill set.
- Document, review and update all process and operational procedural documents.
- Schedule maintenance actions in a timely manner.
- Work with engineering counterparts on developing solutions for operational needs and new projects.
SQL Database Administrator
HEWLETT PACKARD/ ELECTRONIC DATA SYSTEMS
07.2012 - 04.2014
- Provide technical support for the database environment including overseeing the development and organization of our databases, as well as the assessment and implementation of new technologies.
- Responsible for the Installation and configuration of SQL 2005 and SQL 2008 on Windows 2003 and 2008 clustered and stand-alone servers.
- Perform daily checks of the server and databases to ensure servers and databases remain online. Troubleshoot and mitigate any issues found during the daily check.
- Execute SQL database migrations from older server platforms to new servers.
- Manage database records including adding, deleting, and modifying current database records.
Systems Administrator, Sr.
LOCKHEED MARTIN
06.2010 - 07.2012
- Responsible for the administration and troubleshooting of Windows 2003/2008 Servers, VMware 4.1, and Citrix Xenapp.
- Monitor system and network performance; observe and optimize performance of servers; collect, analyze, and prepare usage and performance statistics.
- Troubleshoot and mitigate any hardware and software related problems.
- Install and maintain system, application, and communications hardware/software.
- Set up administrator, service, and user accounts, and maintain system documentation.
- Maintain DoD Security Technical Implementation Guide (STIG) requirements on all servers.
- Apply patches and mitigate vulnerabilities in response to any Information Assurance Vulnerability Alerts (IAVA).
Technical Consultant
HEWLETT PACKARD/ ELECTRONIC DATA SYSTEMS
11.2003 - 06.2010
- Maintained various Windows and UNIX-based servers including Domain Controllers, File Servers, Web Servers, Proxy Servers, Dell and Big IP load balancers, Blue Coat ProxySG, ProxyAV, Director, and Reporter, and Web Sense servers.
- Supported on-site and remote technicians with additional troubleshooting steps, procedures, and technical knowledge to resolve customer issues.
- Responsible for the configuration, implementation, and management of all web-hosting services.
- Managed the migration of all our Win2k2 IIS Servers running IIS 5.0 to Win2k3 Servers running IIS 6.0.
- Maintained ISA 2006 Reverse proxy solution which provided customers with Outlook Web Access (OWA).
- Provided after-hours on-call support to handle web outages and provided solutions.
- Managed PKI certificates for all enterprise web sites, internal and external for both Navy and Marine Corp.
Field Engineer
COMPUTER SCIENCE CORPORATION
02.2003 - 10.2003
- Provided transition support from multiple legacy networks into one large network enterprise consisting of multiple domains.
- Responded to trouble calls from PC users and resolved a myriad of system problems.
- Managed, via prioritization and assignment, all daily trouble calls.
- Provided solutions for network and system operations and assistance with peripheral installation and maintenance.
- Selected to mentor junior engineers and provide quality control for over 100 trouble tickets per week.
- Performed system diagnostics, software installation, hardware repair, and imaging of workstations.
Staging Lead
QUALXSERV
10.2002 - 02.2003
- Managed the imaging and configuration of hundreds of workstations built for the Navy Marine Corps. Intranet Project.
- Managed a fifteen-man technical team; Team responsibilities included imaging Dell workstations and laptops, setting user configurations, and loading various legacy applications.
- Integrated, trained, and evaluated all technicians assigned to my shift.
- Demonstrated expert problem-solving skills during the build process and ensured quality assurance of all systems leaving the staging area.
Senior Intelligence Analyst / System Administrator
UNITED STATES ARMY
07.1993 - 08.2002
- Excelled as a system administrator loading and maintaining NT operating systems.
- Responsible for the management of the unit’s local area network.
- Installed new software, security updates, virus alerts, and commercial patches.
- Supervised intelligence operations during numerous training exercises.
- Supervised All Source Analysis Systems - Remote Workstation (ASAS-RWS) operations during training exercises.
- Maintained and disseminated database records greatly enhancing the unit’s ability to produce valuable intelligence products.
Education
Washington Lee High School
Arlington, VASkills
- Citrix Xenapp
- Xendesktop
- ADC (Netscaler)
- Provisioning Services (PVS)/Machine Creation Services (MCS)
- Director
- WebStudio
- WEM Webstudio
- Citrix Cloud/Amazon Web Services (AWS) integration
- Active Directory
- Group Policy
- Powershell/Scripting
- Networking (TCP/IP, DNS, DHCP)
- VMware
- AWS infrastructure management
Certification
- Citrix Certified Associate
- Microsoft Certified IT Professional (MCITP)
- Microsoft Certified Professional (MCP)
- CompTia Security+ CE
Major Accomplishments
- Saved the company thousands of dollars by converting ninety percent of all servers to a virtual infrastructure, which reduced the overall server footprint and power costs.
- Recognized by leadership for excellence, during employment with Hewlett Packard - received highest possible performance rating available.
- Saved the company thousands of dollars in license fees through installation, configuration, and deployment of a Citrix Xenapp Server, allowing customers to share a pool of licenses for the application.
- Configured and implemented hundreds of servers to include domain controllers, domain name service servers, web servers, proxy servers, load balancing servers, file servers, and application servers.
Timeline
System Administrator
Imagine One
09.2018 - Current
Citrix Technical Consultant
Perspecta
04.2014 - 09.2018
SQL Database Administrator
HEWLETT PACKARD/ ELECTRONIC DATA SYSTEMS
07.2012 - 04.2014
Systems Administrator, Sr.
LOCKHEED MARTIN
06.2010 - 07.2012
Technical Consultant
HEWLETT PACKARD/ ELECTRONIC DATA SYSTEMS
11.2003 - 06.2010
Field Engineer
COMPUTER SCIENCE CORPORATION
02.2003 - 10.2003
Staging Lead
QUALXSERV
10.2002 - 02.2003
Senior Intelligence Analyst / System Administrator
UNITED STATES ARMY
07.1993 - 08.2002
Washington Lee High School