Systems Administrator Resume

SUMMARY

Extremely proficient with UNIX system and network security.
Extensive experience implementing various security strategies in UNIX environments.
Familiar with intrusion methods, tools and post intrusion analysis for vulnerabilities.
Familiar with most commonly used firewalls and types of firewalls, including proxy services, filters, screens and transparent proxy firewalls.
Extensive experience using network monitoring tools to protect against real time attacks.
Experience using secure encryption and authentication schemes over TCP/IP networks.
Administer Microsoft Windows Servers (Active Directory), Microsoft Workstations, and network security devices.
Responsible for e - mail system and Internet Information Server, meeting employee and customer needs 24/7.
Administrated and maintained environment security. Involved with administering security alerts to staff and weekly data backups.
Supported and executed upgrade from Windows XP to Windows 7.
Administrated and maintained environment security. Involved with administering security alerts to staff and weekly data backups.
Utilize 3rd party tools such as CorasWorks, DocAve, Coveo and Nintex in support of Enterprise SharePoint.

TECHNICAL SKILLS

SunOS 4.x, SOLARIS, OSF/1, AIX, ULTRIX, LINUX, HPU, FreeBSD environments.
SMTP, DNS, NNTP, NIS/NIS+, WWW, NFS, etc. in various UNIX environments.
C, Perl, and other shell scripting languages under various UNIX environments.

PROFESSIONAL EXPERIENCE

Confidential

Systems Administrator

Responsibilities:

Daily Systems & Network Administration tasks throughout a predominantly Linux (CentOS) based environment.
Deployment & Administration of Virtual Servers.
Configuration and Management of Cassandra Cluster.

Confidential

Senior Systems Administrator

Responsibilities:

Daily Systems & Network Administration tasks throughout a predominantly Linux based environment.
Deployment & Administration of Virtual Servers.
Administration of company-wide network and system administration of UNIX systems and software packages including hardware and software upgrades/patch evaluation, installation, and failover support.
Coordination of weekly scheduled downtimes for equipment maintenance with Production.
Second-Tier Technical Support for production servers and workstations.
Problem determination and resolution with Vendor contact/interface.
Design and implementation of system and network architecture, policies/procedures, and user environment/access.
Production and user Support, administration script development in Bourne shell, C-shell, Perl and Python.
Network management and configuration with DNS and NIS with emphasis on user and company security based on User ID and network topology.
Research, installation, and administration of O/S patches for SGI IRIX and Red Hat Linux systems.
Research and development of new technology and tools.
SMTP/IMAP, WWW, Samba/Nettalk, and data storage with RAID production server installation/maintenance.
Disaster Recovery planning and implementation of backup and restore policy, data retrieval, backup server, and tape robot configuration.
Log and system monitoring, installation of monitoring tools, and automated reporting to Support Personnel for process management and control.
Management and mentoring of junior-level system administration personnel.
Project coordination and implementation with Production and Junior Personnel.
Financial and Technical evaluation for capacity planning and future development.
Technical, User, Security, and I.T. Support policy documentation creation/implementation, maintenance of existing technical documentation.

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