Murrell Mitchell
Chatsworth,CA
Summary
Results-oriented Risk Analyst skillful in managing and breaking down large volumes of information. Proactive at heading off issues in operations, workflow and production by uncovering trends affecting business success.
Overview
15
15
years of professional experience
1
1
Certification
Work History
Cybersecurity Risk Analyst
Coalition Cyber
05.2022 - Current
- Participate in vulnerability/risk assessment to support compliance and policy renewal process
- Experience using support ticket management systems (e.g., Zendesk, Jira, Intercom).
- Provide recommendations, guidance, and corrective action for all non-compliant security controls
- Review critical security controls for small businesses attempting to receive a cyber insurance policy.
- Educate clients on how to mitigate risk in accordance with CVE, NIST, Claims data,
- Conduct comprehensive risk assessments consisting of automated and manual security assessments /reviews
- Effective verbal and written communication skills.
- Maintained working knowledge of security frameworks and standards such as (e.g., NIST Cybersecurity Framework (CSF), NIST 800-53, CIS Security Controls, MITRE ATT&CK)
- Ensure security compliance for email security standards such as (SPF, DKIM), remote access security (RDP, VPNs, MFA), and basic infrastructure security (e.g., OS fundamentals, patching, network architecture).
- Experience to diagnose and research causes of security issues (e.g., misconfigured DNS records, exposed insecure protocols, use of known-vulnerable software).
- Familiarity with vulnerability reporting, including CVE details, security researcher publications, and vendor security notices.
- Experience to communicate the importance of security controls to non-technical customers.
- Experience to assist and instruct customer technical staff in implementing security recommendations consistent with the customer’s environment.
- Reduced risk of cyber attacks by conducting regular risk asses assessments and web crawler scan of public facing assets.
- Improved employee awareness on cybersecurity best practices through the development and delivery of training programs.
- Streamlined threat intelligence gathering processes to provide actionable insights for proactive defense measures against emerging risks.
EDR Support Engineer
CrowdStrike
10.2021 - 03.2022
- Provide well-thought out and reliable direction, both in technical and non-technical terms, to help customers integrate, deploy and maintain the CrowdStrike service.
- Take ownership of customer issues, including initial troubleshooting, identification of root cause and issue resolution or escalation.
- Review hash, IP, and indicators of compromise on customer end points using crowdstrike tools
- Utilize splunk in order to review logs for suspicious behavior
- Deploy the Crowdtrike Falcon tool on customer end points
- Review Host based firewall rules for client networks
- Serve as internal and external point of contact on customer escalations and ensure customer issues are resolved as expediently as possible.
- Create process or troubleshooting documentation in the support knowledge base.
- Implemented security measures to reduce threats and damage related to cyber attacks.
BOT Mitigation and Prevention Specialist
Live Nation
03.2019 - 06.2021
- Primary duties include providing BOT mitigation and investigation using Elk Stack tools such as splunk and kibana
- Respond to email and Salesforce tickets from endusers in a timely manner. Troubleshoot, resolve or escalate mission critical issues.
- Run linux based scripts from command line in order to resolve software problems.
- Defend against denial of service attacks during live ticket onsales in real time using IP intrusion prevention tools, GIT repository (code changes) configuration manipulation ect.
- Analyze login activity to identify potential malicious activity
- Examine Splunk logs for threat detection and security investigation as well as BOT tracking
- White list good actors and Blacklist bad actors on the application layer of the OSI using IP prevention tools based on machine learning.
NOC Analyst
Ziff Davis
01.2017 - 01.2018
- Monitor and troubleshoot Windows/Linux server alerts where
- Monitor, notify, fix and escalate alerts related to production systems.
- Perform basic system administration tasks for Windows and Linux Servers.
- Troubleshooting of UNIX OS, file editing, UNIX commands, and file manipulation.
- Restart Apache and Tomcat services
- Job duties also include performing daily monitoring/troubleshooting of all Splunk, Zabbix, Gomez, and Solar Winds Alerts for production systems
- Creating documentation/Run Books for all NOC operations that do not have a set procedure in place.
Troubleshooting and performing system administration tasks for Windows and Linux servers as well as Cisco network equipment. - Responsible for coordinating bridge calls with various teams to ensure SLA standards when triaging incidents/business disruptions with impact to company revenue.
Network Support Engineer
Ticketmaster
01.2013 - 12.2016
- Cisco Router and Switch configurations, IPv4 using telnet and SSH for connection security
- Incident Response for major company outages
- Responsible for monitoring critical cloud base (AWS), network, and application infrastructure. Verify that devices are pinging and added to monitoring
- Monitor network devices using SNMP protocol. Responsible for interface reboot if needed.
- Monitor hundreds of virtual machines, servers, nodes, and network devices using a various monitoring tools such as Nimbus, Solar Winds, Keynote, Rigor, Nagious.
- Translate to executives and customers who need highly technical information communicated in terms they can understand. (Vital Responsibilty)
Help Desk Support Specialist
Forever 21 (TEMP)
01.2013 - 10.2013
- Responsible for resolving software issues related to MYSQL replication, proprietary software using remote desktop application
- Adhere to PCI compliant standards while troubleshooting Payment Systems
- Diagnosed and troubleshot hardware, software and network issues.
- Resolved company personnel software issues by re-imaging hard drives using Ghosting software.
Displayed courtesy and strong interpersonal skills with all customer interactions.
Point Of Sale Technician Help Desk
NCR
01.2009 - 01.2012
- Support POS customers with all technical questions in a 24x7x365 call center environment.
Escalated and resolved 40- 50 customer tickets for Point of Sale technical failures per day. - Escalated tasks that were out of my scope of work to the appropriate parties/teams.
Maintained up-to-date knowledge of known practice and policies regarding. - Reduced downtime by promptly resolving connectivity and network-related issues in POS systems.
- Optimized system performance through regular updates of POS software, ensuring compatibility with new devices or peripherals as needed.
- TCP/IP troubleshooting for Point of Sale devices/systems
Education
No Degree - Computer And Information Sciences
Southwestern College
Chula Vista, CA01.2000
High School Diploma -
Chula Vista Senior High School
Chula Vista, CA06.1998
Skills
- Technical Risk Assessment
- VPN
- Machine Learning
- AWS
- NIST
- Cyber Threat Inel
- Incident Reporting
- Compliance Analysis
- Risk Mitigation
Certification
Comptia A+ Certification
Timeline
Cybersecurity Risk Analyst
Coalition Cyber
05.2022 - Current
EDR Support Engineer
CrowdStrike
10.2021 - 03.2022
BOT Mitigation and Prevention Specialist
Live Nation
03.2019 - 06.2021
NOC Analyst
Ziff Davis
01.2017 - 01.2018
Network Support Engineer
Ticketmaster
01.2013 - 12.2016
Help Desk Support Specialist
Forever 21 (TEMP)
01.2013 - 10.2013
Point Of Sale Technician Help Desk
NCR
01.2009 - 01.2012
No Degree - Computer And Information Sciences
Southwestern College
High School Diploma -
Chula Vista Senior High School