Martha(Isa) Martinez

Atlanta, Georgia

Mobile/Text: 404-***-**** ac9jg0@r.postjobfree.com

www.linkedin.com/in/isamartinez

Bilingual Network Security/Information Security Analyst Expertise in network management, monitoring and troubleshooting for Fortune 50 enterprise clients. Proven ability to solve problems, make correct judgement calls, and manage competing priorities in a high performance environment. Certified in Incident Handling, Incident Response, and Security Operations with training in both Red-team testing and Blue team tools and techniques. Support of edge security devices including Juniper, Checkpoint and FortiNet firewalls, TippingPoint intrusion detection and others. Proven expertise within Windows, UNIX, and Solaris environments as well as other, hardware, software, and network administration/analysis. Display effective LAN/WAN problem analyzing techniques, combined with responsive system troubleshooting skills. Excellent customer service/customer relationship skills. Speak and write Spanish fluently. TECHNICAL SKILLS

Operating

Systems

UNIX, Windows, Sun Solaris, DOS, Cisco IOS 12.x.

Applications &

Security Tools

Nessus, NMap/ZenMap, Masscan, Wireshark, TCPDump, NetCat, Burpsuite, Nikto, Metasploit, John the Ripper, Mimikatz, Beef, Maltego, Recon-NG, SearchDiggity, HP Openview, Node Manager, Remedy, Sentinel, D1, Lotus Notes, and MS Office Suite 2000.

Protocols and

Network Utilities

TCP/IP Suite, IPv4 sub-netting, SNMP, SMTP, ICMP, X.25, Frame Relay, IPX/SPX, EIGRP, RIP, OSPF, Access Lists, Spanning Tree, Ping, TraceRoute, Telnet, nslookup, TCPDump.

Hardware Cisco routers, Cisco Firewalls, Cisco switches, Nokia Checkpoint, Firewalls, NetScreen (Firewalls, IDP, IDPBlade) Juniper Firewalls, Netscaler Firewalls, Provential Firewalls, SRX Tippingpoint. Cisco PIX Firewall, multi-vendor DSU/CSU, Bay Networks router and switches, Intel based workstations and servers, IBM-based workstations and servers, Blade systems, RAID 5 storage systems, Async, Serial and RS-232 COMM Ports,

PROFESSIONAL EXPERIENCE

Secureworks, Atlanta, GA

Senior Security Analyst (Network Health & Infrastructure) June 2014 -Jan 2019

Supported, managed, and monitored a Fortune 50 enterprise network

Oversaw ticketing and System/Event monitoring and reporting applications. Utilized vendor management platforms for CheckPoint (FW1, R77.30, R80), Juniper (NSM, Space), FortiNet

(FortiMgr, FortiAnalyzer) and TippingPoint (SMS), MSS wokflow tool and Remedy tracking system. Project managed all resources needed to resolve customers’ networking issues, performed root cause analysis and ensured service level agreements (SLAs) were met.

Troubleshot and analyzed health alerts including unreachable devices, logging issues, downed interfaces, CPU spikes, insufficient memory utilization in relation to hardware/software failures to maximize system uptime and ensure optimal performance.

Performed Cluster failovers, and device reboots.

Used TCPdump and other bash builtins to record and analy e network tra c and uncovering threats /anomalies.

Escalated security events to clients and next tier support with analysis records and pertinent logs useful to facilitate incident handling.

Revised and wrote knowledge-base articles to ensure accuracy of troubleshooting documentation and processes. These articles were used as part of the approval process for process chages. Provided mentoring to teammates on new processes. NCR Corporation Atlanta, GA

Bilingual Hardware/Network Support Specialist II Jan 2004 – Dec 2013 Network Coordinating Analyst Jan 2002 – Jan 2004

Bilingual Software Support Specialist III Jan 1998 – Jan 2002

Provided hardware, software and network support to clients, internal engineers and account managers.

Assisted engineers with diagnosis, troubleshooting, replacement and configuration of failing parts on the following platforms: Intel and IBM workstations/servers, blade systems, and RAID 5 storage systems. Achieved desired SLAs

Provided tier 3 support during special hardware upgrade projects. Exceeded SLA targets, which led to an increase in client retention.

Worked w th customers’ so tware helpdesk and eld eng neers to ensure that documentation and processes were correct; and that field engineers were familiar with steps to follow, verified part requirements, and performed successful upgrades.

Drove implementation of business practices that improved field engineer productivity and reduced down-time of critical systems and dispatch calls.

Handled troubleshooting on critical financial systems within enterprise environment, including system crashes, slow-downs and data recoveries.

Managed and tracked critical priority incidents, oversaw incident management through documentation and escalation.

Monitored critical system alerts and alarms for business-impacting errors to ensure that service level agreements (SLAs) were met.

Provided tier 2 and 3 technical support to professional services, field engineers and customer system administrators during both critical and non-critical issues meeting all required SLA's.

Maximized system uptime for production servers by performing software and network configuration moves/adds/changes in support of MPRAS (a proprietary Unix operating system), Windows, other Linux/Unix environments and customer requirements.

Analyzed suspicious activity report (SAR) reports and tuned systems using mtune and stune

(Unix utilities). Used crash (a unix core dump utility) to diagnose system performance issues (panic, hung or slow system), optimize system performance and accurate replacement of faulty parts.

Performed forensic analysis of system logs to identify root causes of issues and their corresponding consequences, then developed corrective actions to prevent those issues.

Tuned hardware, software and network configurations to produce acceptable performance per established objectives.

Used Remedy ticketing system to manage incidents and provided detailed documentation of progress and results. Escalated any unresolved issues directly to vendor product experts and pro- actively tracked ticket status.

Provided bilingual tier II support within multi-vendor equipment environment that monitored and maintained heterogeneous wide area networks located across US and Canada with some remote locations in Mexico, South America, and Asia.

Monitored and managed customers’ IT n rastructure using tools including HP Openview and Sun Micro Systems 46020. Diagnosed and resolved customer network outages.

Participated as translator and technical consultant involved in all company negotiations when Remote Management Service Network Operations Center expanded into Mexico, providing ongoing tier 2 technical support.

Returned to Mexico after operations were implemented to assist call center manager in improving quality of services and implementing more efficient production process that ensured quality and customer satisfaction requirements were met.

Participated in training call-center agents in implementation of new tools and software tracking applications. Collaborated with call center manager, customers, and field engineers in defining standards and measures for quality and customer satisfaction requirements. EDUCATION & CERTIFICATIONS

GIAC - Certified Incident Handler GCIH

Splunk Certified Power User

ITIL® v3 Foundation Certified in IT Services Management (GR750161424MM) CCNA- Cisco Certified Network Associate

(CSCO10692677) (expired 2009)

MCSE+I (Microsoft Certified Systems Engineer and Internet) NT (ID 1190375)

B.S. in Computer Science – NORTH GEORGIA COLLEGE – Dahlonega, GA Graduated Cum Laude

Associate of Computer Science – GAINESVILLE COLLEGE – Gainesville, GA Graduated Cum Laude

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