OBJECTIVE:

• To obtain a job as a Linux Administrator/Engineer that will challenge me and allow me to use my education, skills and past experiences in a way that is mutually beneficial to both myself and my employer and allow for future growth and advancement.

SUMMARY

• He is an accomplished Linux, security Systems Administrator/Engineer with over 7+ years of experience in Information Technology, experience in Server Monitoring and tuning the system to achieve optimum performance levels.
• Experience with Apache Web servers, high level of proficiency with RHEL 6 operating systems, I have also performed day to day ticket resolving & submitting CRQ based on user requirements.
• I am currently residing in Bowie, MD and can immediately start the project if offered.
• Administration of RHEL 5, 6 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting both physical and virtual server issues.
• Experience with puppet, Ansible, and Experience with enterprise class infrastructure and equipment.
• Maintain, troubleshoot, and resolve network connectivity issues.
• Familiarity with Virtualization technologies (VMWare).Support all the activities related to VM Creation, adding storage, adding network, troubleshooting technical issues
• Experience in Monitoring network and servers with MRTG Graph and Nagios, Strong troubleshooting skills and the ability to perform root cause analysis.
• Experience in Installation, Configuration, Backup, Recovery, Maintenance, Support CentOS 5.x, 6.x, RHEL Linux4. x.5.x 6.x, Windows 2003, 2008, 2010, VMware 5.x.
• Configure and harden systems (turning unnecessary services, iptables, Selinux etc.)
• Experience in configuration of DNS, DHCP, NFS, SAMBA, and postfix, send mail, ftp, remote access, security management and Security troubleshooting skills.
• Plan, install, configure, manage and troubleshoot Linux servers, and end systems
• Create user accounts management, groups, and permissions.
• Monitor and manage system logs and messages to diagnose system errors.
• Setup secure password Ssh authentication on servers using Ssh keys.
• 3+ years of experience with Malware, Trojans, Exploit Kits, and Phishing.
• Hands - on experience with SIEM platforms, like Splunk, IBM QRadar.
• Computer Security Incident Response and Analysis.
• Hands on experience with bash shell.
• Security threat investigation, threat intelligence analysis, triage, and mitigation.
• Experience in Network Configuration and Troubleshooting and Partitioning of file systems.
• Computer Security Incident Response and Analysis.
• Security threat investigation, threat intelligence analysis, triage, and mitigation.
• Manage system processes, and scheduling processes with Cron and at utilities. Strong.
• Interpersonal and communication skills and the ability to work effectively. 24x7 on call support.
• Monitored servers and application performance & tuning via various stat commands (vmstat, nfsstat, Involved in monthly updates/patching servers.

TECHNICAL SKILLS

Monitoring Tools and Investigating Tools: Nagios Carbon 3.5, Kayoko Support, BMC Remedy, Puppet, Munin MRTG Graph SUA, and Splunk, McAfee ePO Orchestrator, IBM Big Fix, IBM QRadar, ITC Asset, Web Sense, Virus Total, TCPIPUtils, and IBM Threat Intelligence.

Operating Systems: MS Windows, LINUX, Red hat 6, UNIX (Solaris 8/9/10, AIX, HP-UX)ESXI 5.5, vSphere 5.5, VMware, Sun 6320 Storage, EMC, Dell Servers PowerEdge 2950, R410 Red Hat Linux 6.2, PETA 1010.

PROFESSIONAL EXPERIENCE

Confidential, Washington D.C

Linux engineer/Security Analyst

Responsibilities:

• Installed upgrades, kernel patches, systems configuration, performance tuning on Unix/Linux systems.
• Configuration of DHCP, NFS, SAMBA, and postfix, send mail, ftp, remote access, security management and Security troubleshooting skills.
• Installation and management of network related services like DNS, Apache, HTTP, VSFTP and SMTP Network Configuration and Troubleshooting and Partitioning of file systems.
• Installation and upgradation of Packages and Patches configuration management.
• Created and managed user accounts, security, rights, disk space and process monitoring in Red hat Linux.
• Maintained and used Red hat Kickstart servers for installation and upgrades. Plan and implement service updates and Patch Administration.
• Handled tasks in Red Hat Linux includes upgrading RPMS using YUM, kernel and LVM file system.
• Managed access using role based access control, administer user accounts, passwords, and password aging.
• Granted and revoked access/privileges to selected employees at the request of my manager.
• Diagnosed and resolved system lockup and malfunctions.
• Investigate Verizon MTIPS alert sent from Verizon Fed Street using various SIEM tools including IBM QRadar, McAfee EPO, and external malware correlation databases.
• Working knowledge on TCP/IP, UDP protocols in solving network related issues on the servers. Manage agency Incident Response program including identifying cybercrime, evidence collection, analyzing evidence, chain of custody, and working with Verizon forensics team to analyze collected data, agency information security officers, and CSIRC to complete investigations
• Perform Incident Response, Monitoring & Analysis using several Enterprise Tools.
• Investigate Malware, Virus, Trojan, Botnets, Exploits, Phishing, and Lost & Stolen device and work with various agencies to resolve incidents.
• Investigate Alerts generated by McAfee ePO Orchestrator, and coordinate resolution of confirmed incidents with the appropriate team(s).
• Controlled system logging services collected and analyzed syslog files from Splunk, and various SIEM tools to track and resolve system/security related events.
• Day to day ticket resolving & submit CRQ based on user requirement.
• Turned-off unused services on systems including disabling direct Ssh login on servers to strengthen host security.
• Managed file systems utilization using scripts scheduled as cron jobs.
• Used vim editor to edit necessary configuration files
• Closely with the DOLCSIRC team to investigate US Cert security alerts/incidents.
• Coordinate scans on devices identified with potential malware with Tier 1 and 2.
• Perform Asset identification & network discovery, using BIG FIX.

Confidential

Linux Administrator/IT Support Specialist

Responsibilities:

• Monitored servers for intrusion, reviewed syslog logs to track any attacks, and worked with various teams to identify and resolve attacks.
• Managed access using access control, administer user accounts, passwords, and password aging.
• Built, installed, and configured Linux servers physically and in virtual environments.
• Monitored security controls in place for authorized systems, assessed security control effectiveness, and decommissioned systems securely when necessary.
• Reviewed all related IT security systems & equipment discrepancies and establish remedy report.
• Plan, install, configure, manage and troubleshoot Linux and Windows servers, and end systems.
• Installation and management of network related services like DNS, Apache, SAMBA, HTTPD, VSFTP and SMTP.
• Controlled system logging services collected and analyzed syslog files from Splunk, and various SIEM tools to track and resolve system/security related events.
• Working knowledge on TCP/IP, UDP protocols in solving network related issues on the servers.
• Day to day ticket resolving & submit CRQ based on user requirement.
• Managed access using role based access control, administer user accounts, passwords, and password aging.
• Handled tasks in Red Hat Linux include upgrading RPMS using YUM, kernel and LVM file system.
• Maintained and used Red hat Kickstart servers for installation and upgrades. Plan and implement service updates and Patch Administration.
• Configuration of NIS, DNS, DHCP, NFS, LDAP, SAMBA, SQUID, and postfix, send mail, ftp, remote access, security management and Security troubleshooting skills.
• Created and managed user accounts, security, rights, disk space and process monitoring in Solaris and Red hat Linux.
• Installation and upgradation of Packages and Patches configuration management.
• Installed upgrades, kernel patches, systems configuration, performance tuning on Unix/Linux systems.
• Network Configuration and Troubleshooting and Partitioning of file systems.
• Turned-off unused services on systems including disabling direct ssh login on servers to strengthen host security
• Managed file systems utilization using scripts scheduled as cron jobs.
• Used vim editor to edit necessary configuration files

Confidential

Linux system Administrator

Responsibilities:

• Working on Volume management, Disk Management.
• Performing regular day-to-day Systems Administration activities such as User Administrations, Disk Management, Package Install, Patch Management, Storage Management, Performance Monitoring; Log files Monitoring, Jobs Scheduling, NFS administration and Disaster Recovery/failover exercises.
• Troubleshoot malware infected systems, and cleaned virus and spyware from affected systems physically and remotely.21
• Performed Onsite and remote technical support for various hardware and software related issues
• Backed-up data from defective systems, collected log files for analysis, and restored backed-up information as needed.