Sr. Linux Systems Admin Resume
Fort Mead, MD
PROFESSIONAL SUMMARY:
- Accomplished, results - driven IT Professional, with 21+ years of progressive experience in Network and Data Center Operation, Network Administration, and Customer Support Engineer.
- Broad background in Linux, Unix Systems Operations and Networks, Customer Support Engineering, testing and IT infrastructure.
- Demontrated success managing pivotal project for Comtech ensuring accurate delivery of secure mobile data communications to military, government and commercial clients worldwide.
- Innovative and analytical thinker, able to identify root causes and bring proactive solutions to difficult or high-pressure situations.
- Consistent and dependable performer with an outstanding work ethic and the flexibility to adapt to constantly shifting priorities.
- Exceptional organizational, communication and follow-through skills.
TECHNICAL SKILLS:
Platforms: Windows 2000/XP, Linux, HP-Unix, Sun Solaris, Novell NetWare FreeBSD, IBM PCs/Workstations/Server, Dos,
Hardware/Software: Apache, Tomcat, IIS, KVM, ESXI Virturlization Systems, Hubs, Cables, Switches, Nexus 5k and Cisco Catalyst 3850, Ethernet, Fiber Optics, Oracle, MS Office Suite, TCP/IP, Telnet, SSH, FTP, SFTP, OpenStack
Languages: QBasic, C++, Shell, Java, Perl
PROFESSIONAL EXPERIENCE:
Confidential, Fort Mead, MD
Sr. Linux Systems Admin
Responsibilities:
- Desktop support for 50+ users
- Installing images using Microsoft Deployment Toolkit
- Securing machines per Confidential STIGs
- Updating all systems with MS patches
- DoD PKI certificates.
- SIPR Token access support
- Installing COTS and GOTS software
- Create and manage user account
- Diagnose problems and ensure IT policies and procedures are adhere
- Setup Virtual Machines in windows and Linux
- Red Hat Enterprise Virtualization
- Red Hat OpenStack Cloud Computing
- Linux/VMware Administrator
- Yum Repo - Using to update RHEL7.x packages.
- Create and maintain Datacenter, Cluster, Storage Domains using RHEV-M and Vsphere
- Converts physical machines to virtual machines
- Install Red Hat OpenStack with paackstack utility and create instances with the horizon web front end.
Confidential, Germantown, MD
Linux/Unix Systems Admin
Responsibilities:
- Provide system management and administration support of hardware, software, and operating systems in a worldwide network of terrestrial and RF/satellite communications equipment.
- Troubleshoot all problems reslated to network, systems, and applications to a final solution.
- Write programs to administer and report on systems and network data
- Real-time monitoring, traffic trackin, a nd trend analysis via EM7, Ngios, and WUG
- Provide technical leadership to the NOC support staff in treoubleshooting problems and address system and network outages.
- Provides services to Force XX1 Battle Command Brigade and Below(FBCB2)/Communication-Electronics Command(CECOM) and Co-contrator Northrop Grumman
Environment: UNIX (Solaris 10), Linux (RHEL6), MS Excel
Confidential, Dayton, NJ
Unix Systems Console Operator
Responsibilities:
- Monitored multiple trading systems computers concurrently
- Identifying major systems problems reported via proprietary tools and open tickets accordingly.
- Troubleshooting, basic file systems space issues; perform machine maintainance; file migrations to multiple machines; modifying shell scripts and seting up trading systems for next day trading
- Alter shell scripts to be used on trading systems during backend in case of failure
- Successfully planned and executed turnaround while actively monitoring backends
- Contributed to the migration of T1/T2 systems to the SAT model on trading systems.
Environment: UNIX (Solaris 10), Linux (RHEL6), MS Excel
Confidential, Germantown, MD
Linux/Unix System Network Administrator/Technical Support
Responsibilities:
- Deliver comprehensive hand-on system management and administration support to maintain 7x24 operations, encompassing proprietary and COTS(Commercial off the Shelf Systems) hardware/software networked. Support FBCB2/CECOM business partners and IT professionals (third party contractors) by maintaining99.95% system uptime, researching/identifying and performing system/security patches and real-time monitoring, traffic tracking and trend analysis.
- Provide system analysis and performance monitoring/reporting via proprietary and standard COTS tools.
- Identify proactively and reactively, systems and network issues, initiate or support troubleshooting follow up and resolve.
- Supply technical leadership to NOC support staff and troubleshooting problems and addressing network outages
- Met challenge of assuming responsibility for the Comtech Updated OTAR (Over the Air Transceiver Rekey) Project with no formal training, after management request to lead the initiative. Achieved goal of enhancing systems’ uptimes and ensuring accurate delivery of secure mobile data communications to international military, government and commercial clients. Success resulted in designation as Lead Technician on all future projects.
- Worked around the clock for a period of 1 year to ensure on-time delivery of projects, dramatically increasing customer satisfaction.
- Responded to emergency calls 24/7 to ensure Network stability and accurate communication deliveries to US military.
- Boosted customer satisfaction ratings from 70% to 92% in 1 year, by standardizing processes and procedures.
Environment: UNIX, Linux, FreeBSD, Windows, LAN/WAN (TCP/IP) networking, Nagios, EM7, Magic, traffic monitoring scripts
Confidential, Monmouth Junction, NJ
Customer Support Engineer
Responsibilities:
- Effectively resolved problems with Confidential ’s network security surveillance products, NetVCR and NetDetector 2005, via phone and e-mail.
- Traveled to client sites to perform hardware/software installations, product configuration and troubleshooting.
- Created complex report in Excel providing grant information in a readable format to upper management and other departments.
- Salvaged a $500K account by traveling to customer site on short notice to identify and resolve a critical SAN configuration issue.
- Diagnosed and solved a major RMA issue causing a $20K annual loss.
- Within one year, boosted customer satisfaction rating from 70% to 90% by standardizing processes and procedures.
Environment: Windows 2000/XP, Linux, UNIX, FreeBSD, RAID, SAN, NetVCR, NetDetector, Netx, Netvoice, Net Trident, Central Manager
Hardware Qualification Engineer/Lab Manager
Confidential
Responsibilities:
- Performed hardware evaluation, planning, testing and qualification efforts of new and existing hardware platforms to support core network security surveillance product, Net Detector 2005.
- Conducted system quality and performance testing, and collaborated with other engineers to identify and resolve technical issues.
- Increased efficiency by developing tools for automated testing, traffic generation, system maintenance and OS upgrades.
- Co-created a lab environment consisting of 150+ FreeBSD units and Linux; maintained integrity of the qualification program/hardware lab throughout the product lifecycle.
- Recommended cost-effective fixes for complicated bugs as well as major enhancements that resolved customer problems.
Environment: Windows 2000/XP, Linux, UNIX, FreeBSD, RAID, SAN
Confidential, Parsippany, NJ
Network/Computer Technician
Responsibilities:
- Managed a telecommunication software testing lab consisting of 70 Windows 2000/XP, Linux and UNIX servers.
- Maintained inventories of telephony board library, conducted integration testing on new software releases, and set up servers for testing and repair. Installed, upgraded, configured and repaired system components, including security accounts; executed test cases and modified scripts.
- Created MS Excel database to maintain inventory of telecommunication boards, servers and other testing equipment, enabling department to complete testing faster and increase on-time software delivery to customer.
- Designed & set up a 150-node lab using Ethernet cables and patch paneling. Troubleshot and repaired previously unusable servers, saving $50K in costs.
- Developed, maintained & upgraded databases for Product Service Department using MS Access.
- Major contributor to various desktop deployments.
Environment: Windows 2000/XP, Linux, UNIX, Ethernet, MS Access, MS Excel
