System administrator
Resume examples

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.

Managed and maintained Windows active directory forests for several key clients; provided operating systems deployment, level-3 support for mission-critical servers and networks, security enhancements, and DPRs.

• Oversaw the efficient implementation of new technology solutions to various internal business units; identified project requirements and provided exceptional support.
• Upgraded IT infrastructure, established quality assurance standards, and recommended new products to enhance clients’ operational efficiencies.
• Coached and mentored team of Network Engineers and IT Engineers. Conducted training programs to enhance staff technical skills and motivation including network/server administration procedures, virus protection, and security measures.

Performed day-to-day administration, maintenance, standards/policies, and operational functions of the enterprise storage environment; managed service and support contracts, service level agreements, and performance metrics, while accurately identifying and analyzing the problem and providing possible solutions.

• Established network specifications by conferring with users; analyzed workflow, access, information, and security requirements.
• Designed router administration, including interface configuration and routing protocols.
• Installed network by evaluating network performance issues including availability, utilization, throughput, goodput, and latency.
• Planned and Executed the selection, installation, configuration, and testing of equipment, defined network policies and procedures, and spearheaded connections and firewalls.
• Secured network by developing network access, monitoring, control, and evaluation; maintaining documentation.

Provided the highest level of technical expertise in the analysis, installation, configuration, testing, and maintenance of Enterprise Technology Architecture. Supported all phases of projects, programs, and initiatives to facilitate requirement elicitation for application servers and content management.

• Developed highly scalable business and technical solutions – requirements, dataflow diagrams, as-is analysis and comparison, solution design, assessment, validation, implementation, and control initiatives.
• Provided technical consultation on technical projects including Simple Object Access Protocol (SOAP), Web Services, and Extensive Markup Language (XML) and data integration points
• Conducted requirements gathering sessions, developed and published a request for information (RFI) and the Request for Proposal (RFP).
• Designed key metrics to assess which vendors would formally present their solution for a cloud-based scalable system; first cloud-based system solutions that were scaled throughout all city departments.

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.

Created and integrated unique VPNs for companywide usage by 500+ employees. Collaborated to ensure completely secure access to company networks for both remote and onsite employees.

• Partnered with senior leadership to determine need for improved IT security controls and network access for remote workers.
• Strategized and configured VPN client, server, and router for secure access by computer systems, laptops, and mobile devices.
• Coordinated removal of outdated VPNs on select hardware devices and subsequent companywide installation of new program.
• Maintained network tracking efforts to lead troubleshooting efforts and resolve any issues.