System administrator
Resume examples

Directed IT projects and technical activities across multiple project sites in support of a multibillion-dollar homeland security program. Identify and resolve business needs to achieve organizational goals. Manage strategic planning to optimize resources, improve throughputs, and enhance system performance parameters.

• Achieved optimal operations and functioning by overseeing continuous improvement initiatives to existing infrastructure, applications, systems, and software. Recommend and implement IT infrastructure requirements and upgrades to improve overall system performance and ensure high levels of security and data recovery.
• Managed the design and implementation of 10+ data centers, applying technical expertise in Microsoft infrastructures and database/security application servers in high availability/fault tolerance configuration built using HP Blade servers, Cisco Unified Computing and Servers (UCS), and VMware.
• Implemented various large-scale networks based on Cisco switches and routers using OSPF and multicast routing, QoS, and Fortinet firewalls.
• Led high-performing technical team of Field Engineers, Security Engineers, and Systems Integration Specialists.
• Developed and implement standard operating procedures. Establish key processes that ensure reliable and efficient technical services organization-wide.
• Guided the design and implementation of antivirus solutions and system/network monitoring. Establish disaster recovery plans (DRP) based on HP Data Protector Software, Tape Libraries, and SAN hardware.
• Provided senior-level technical consultations and support to Field Engineering and System Integration & Testing Departments on all IT and networking issues.
• Reviewed network layouts, resolve equipment redundancies, and improve network reliability and flexibility.

Provided technical support for the infrastructure hosted in the on-premises data center and the AWS Cloud. Oversaw daily system monitoring, integrity, hardware, network and server installations, configuration, systems and key processes, performance, testing.

• Administered, configured, and tested application servers for business and network operations.
• Implemented end-user and application security and monitored storage capacities and performance for application servers.
• Automated reoccurring tasks using PowerShell scripting and Puppet modules.
• Collaborated with Senior Leadership and multiple departments delivering on major national Firm Information Technologies initiatives.
• Managed AWS Cloud services such as EC2, S3, ALB/NLB, CloudWatch, and IAM policies.
• Served as a subject matter expert on major IT environment upgrades, enhancements, new functionality, capacities, performance, cost-effectiveness, and business integrations.
• Participated in the on-call rotation providing 24x7 support.
• Recommended new potential technology solutions based on research and analysis.
• Designed and implemented infrastructure solutions to meet business and technical objectives on-prem, and in the AWS Cloud.
• Analyzed and resolved technology and end-user incidents during standard business hours or on-call rotations.
• Maintained standard application and operations procedure documentation; ensured compliance with Software Testing Life-Cycle standard operating procedures and policies.
• Maintained accurate software and hardware inventory and managed the copyright and licensing requirements.

Worked to resolve 50+ service tickets and troubleshooting requests on a daily basis. Collaborated with colleagues and users to build and maintain crucial relationships.

• Leveraged communication skills to handle support tickets as they came in.
• Worked with users to diagnose issues, provide remote and onsite assistance, and provide relevant application training.
• Partnered with colleagues and supervisors to escalate complex or advanced problems for immediate resolution.

Facilitated implementation of 200+ servers to streamline operations and support cloud-based integration efforts. Collaborated with team of administrators and engineers to complete project.

• Identified improvement opportunities through improved network maintenance and expanded server base.
• Communicated with internal and external stakeholders to define parameters for server expansion initiative.
• Built cross-functional team and strategized acquisition and implementation tasks.
• Directed implementation, monitoring, and update operations for new servers.