Darren Rennie
Winchester,VA
Summary
Diversely skilled Technical Engineer with 20 years helping businesses maintain smooth operations and optimal workflow. Driven to enhance functionality through careful and economical application of technical enhancements. Talented at deriving maximum value from existing assets as well as knowing when cost-effective upgrades reach peak return on investment (ROI).
Overview
16
16
years of professional experience
Work History
IT Engineer
Greystone
11.2015 - Current
- Designed and deployed effective IT solutions for increased productivity and streamlined operations.
- Coordinated with stakeholders to ensure seamless integration of new systems into existing workflows while minimizing disruption to daily operations.
- Evaluated emerging technologies for alignment with organizational goals, recommending strategic investments as appropriate.
- Developed custom scripts, reporting, monitoring, and automation tools for more efficient monitoring and maintenance tasks.
Network Engineer
SAVA, LLC
05.2012 - 11.2015
- Developed automation scripts in VBscript and PowerShell to monitor environment comprising 900 servers and 17,000 workstations worldwide across 5 Active Directory domains
- Responsible for developing and maintaining NOC level server status webpages and sending alerts in the event of outages
- Maintained and developed SQL database housing usage, configuration, and monitoring status of computers, servers, users, and other enterprise assets
- Maintained and developed SharePoint reporting front end for client administration, and NOC monitoring
- Tasked with creating new reports in SQL reporting services, SharePoint, and .NET formats for various divisions in the enterprise
- Responsible for development in gathering enterprise data on from installed systems for reporting purposes
- Developed a script to restore enterprise user file permissions after an accidental change wiped permissions from file servers
- Rewrote entire library of automated tasks into PowerShell, transitioning from old Oracle system to SQL databases
- Developed entirely custom exchange health monitoring series of scripts and reporting.
Network Engineer
ITC Federal
10.2010 - 05.2012
- Monitored network health and coordinated with DEA NOC on server outages
- Troubleshooting server issues via iLO/DRAC and engage field technicians on issues as appropriate
- Works jointly with Account Management to troubleshoot user account issues and support Account Management in tasks such as account creations, deletions, and transfers
- Troubleshooting issues with new user accounts such as logon errors, mapping drives, and mailbox connectivity
- Supports field technicians on all aspects of enterprise support including user accounts, applications, workstation/server hardware/software, operating systems, networking, backups, Active Directory, OWA, and Exchange
- Administers enterprise servers running Windows Server 2003, 2008 R2, 2012 and 2012 R2
- Supports workstations running Windows XP and Windows 7
- Performs disaster recovery in the event of a server crash
- Troubleshoots issues with GPOs, NTFS permissions, Active Directory Users and Computers, AD Sites and Services, Backup Exec, DPM, and DFS
- Configures, analyzes and troubleshoots issues with AD replication
- Monitor enterprise servers via SCOM for errors and alerts and coordinate with the field technicians to troubleshoot and resolve issues
- Coordinates with the Enterprise Management Team (EMT) and field technicians on software deployments through SCCM and troubleshoot issues with deployments
- Utilizes SCSM to track, update and resolve incident and service request tickets
- Coordinates issues across Service Desk, tier support, management and the field technicians
- Generates and distributes training materials, SOPs, and guides for fixing common issues to the field and other groups
- Coordinates between sites and depot for shipment of parts domestically and internationally
- Coordinates with the field and with HP/ITG for server support under warranty
- Updates firmware, drivers and applications on servers in the enterprise.
Network Administrator
Information Management Consultants, Inc
05.2008 - 10.2010
- Responded to Tier I-II Help Desk issues on both client sites and the company headquarters
- Responsible for the maintenance and configuration of the production Blackberry server supporting 300 users
- Deployed smart phones and blackberries, PGP encrypted laptops, maintained the asset database
- Complied with ITAR regulations for handling OCONUS Top Secret data
- Maintained network connectivity for client sites locally, on the wireless network, and connection to the UK
- Configured and applied Active Directory Group Policies as well as Websense Internet filters to meet corporate policy
- Administered the corporate and executive Exchange servers
- Automated Active Directory tasks, monitoring alerts, and software installs using visual basic and Powershell scripts
- Worked on the Presidential Helicopter Program global WAN as a Network Administrator for 2.5 years
- Performed morning checks and reviewed logs for all servers, backups, switches and routers and data links
- Installed and configured corporate production Intrusion Detection System (IDS) system
- Identified requirements and configured application servers
- Engineered and implemented a SharePoint Intranet/Extranet portal for 300 users tailored to client needs
- Assisted in transitioning existing file server into a SharePoint Document Repository
- Supported OSX users and the assisted transition to Windows Environment.
Education
Some College (No Degree) - Information Technology
Laurel Ridge Community College
Middletown, VASkills
- Active Directory
- Microsoft Exchange
- Windows Server
- Network Administration
- Network Security
- Network Engineering
- VPN
- Firewalls
- Security
- DNS
Timeline
IT Engineer
Greystone
11.2015 - Current
Network Engineer
SAVA, LLC
05.2012 - 11.2015
Network Engineer
ITC Federal
10.2010 - 05.2012
Network Administrator
Information Management Consultants, Inc
05.2008 - 10.2010
Some College (No Degree) - Information Technology
Laurel Ridge Community College
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