System Administrator Resume Profile
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Reston, VA
Technology Summary
Certifications: | CompTIA A , HDI Helpdesk Certified, Unix, Linux |
Systems: | CICS/ISPF/Mainframe, UNIX, LINUX, Windows |
Databases: | Oracle, ADB2, Relational Databases, Hadoop, |
Languages: | Visual Basic, SQL, HTML, ASP, CSS, C , CGI, Perl, Java |
Software: | MS Project, MS Visio, MS Office, Lotus Notes, Solaris 9-11,Rhel 5, Cassandra |
IT Experience
System Administrator
Confidential
- Responsible for the installation, maintenance, and tuning of UNIX hardware and software systems.
- Performed system-debugging tasks.
- Provide application support on the UNIX systems.
- Work on a team on various system projects related to UNIX, Storage, and Application support.
- Directs and checks the work of other Systems Administrators SAs and Operators and assists with
- scheduling and administration.
- Ensure all systems and infrastructure are running optimally and with high availability and quality.
- Provide hands-on system administration support, system maintenance and operations support.
- Recommend software and hardware enhancements.
- Build, configure, and troubleshoot software and hardware enhancements, application deployments and infrastructure up-grades.
- Provide support for on-boarding and off-boarding new and departing employees.
- Diagnose and correct computer and telecommunication systems issues.
System Administrator
- Acted as Senior Project Manager for data center migration/relocation/consolidation
- Managed staffed various server and systems engineering groups setting global standards across the firm. Improved the collaboration between the engineering group and the various business support groups frequently leveraged support groups to participate in engineering new technologies and methodologies, contributing to increased acceptance of the standards proposed by the central engineering team.
- Managed various technology initiatives including the consolidation and deployment of a centralized backup system for the NT/Unix server environment and the deployment of various security tools across the enterprise. Managed/co-managed various key vendor contracts and relationships spanning multiple IT areas, including IBM. Identified and distributed pertinent market trend data research to various IT managers. Reduced worldwide IT expenditure by approximately 10 through vendor agreement consolidation and coordinating technology deployments across multiple functional areas.
- Architected and deployed perimeter security firewalls, Internet Web server topology, and strong user authentication tools e.g. Kerberos, AFS, and secure administration tools .
- Developed global paging system supporting all regional providers and easily extensible to new protocols.
- Provided TCP/IP programming consultation to improve performance of the custom market data distribution system.
- Developed and customized the global Unix management tools, including the account namespace management system and network installation system
Confidential
- Routine Performance Analysis, Capacity analysis, security audit analysis reports to customer for necessary planned changes
- Troubleshoot bug reports from internal QA, from customers, and from the Apache community
- Design, implement, and review features and enhancements to Cassandra
- Analyze performance to identify bottleneck
- Review groups and group memberships
- Monitored logs for wintel and unix servers
- Provided user account access control
- Reviewed new proposed installments for security implications
- Monitored and investigated activity in the Activity Log of unix and wintel servers
- Monitored ticket traffic through the application Service Manger
- For Security Compliance used the application PCM in the scheduled monthly scan on production servers
- Created new IDs and reset passwords for user account management
- Reviewed active user IDs
- Coordinated storage and protection of PKI keys, certificates
- Review/standardize baseline server hardening policies
- Implemented and installedvarious solutions to identified security exposures
- Configuration knowledge of Image servers, like jumpstart and OS packaging tools Knowledge of OS security tools/Application
- Monitoring Tools knowledge
- Actively participate and assist in DR/BCP activities
- Participate in Change Management activities, including change planning, back out plan, CAB/TAB meeting, change open
- Experience with Root cause analysis
- Scripting for monitoring/ automating the Sys admin activity for change scheduled as projects on multiple servers.
- Experience indatacenter operations, and remote management center
- In-depth working knowledge and troubleshooting of console connectivity tools
Confidential
- Responsibilities as a Red Hat Linux Unix System Administrator include monitor and tune system to make sure of the optimum level of the performance.
- Keep a track of the appropriate software and upgrade the software packages.
- Responsible for the support of the moderately complex data and also helps in the design and configuration of system landscape.
- Develop and maintain the documents, library and procedural documents of the system.
- Interact with the clients to talk about the problems and request regarding the complex system issues.
- Support existing server infrastructure in a 24 7 on-call capacity as part of a team rotation.
- Troubleshoot hardware and OS problems including performance tuning.
- Recommend and implement changes to existing hardware and OS Solaris Linux infrastructure including patches, users, file systems, and kernel parameters.
- Perform hardware and OS capacity planning for existing services, providing recommendations to application owners and implementing solutions to allow for application and database expansion and performance.
- Contribute to Clients Linux standards discussions and documents with respect to OS, hardware, storage, networking, and security and author appropriate documentation where necessary.
- Work with database and application teams to gather requirements for new projects and expansion to existing applications.
- Engineer and document solutions that are innovative and help the team become more efficient in the deployment and support of the server environments.
- Document operating and deployment procedures for other team members to follow.
- Troubleshoot user logins