Cyber Security Engineer

Alexus Walker

Cyber Security Engineer / Vulnerability Analyst

Education

ITT Technical Institute

Springfield, VA

BS in Computer Science

Northern Virginia Community College

Arlington, VA

AS in Computer Science and IT

Key Skills

Splunk 7.x Fundamentals

Security Regulations

Operational Setup

Debugging

Architecture Review

Hardware/Software troubleshooting

Network Engineering

Remote Troubleshooting

Ticketing Systems

HTML

Active Directory

Microsoft T Suite

Penetration Testing (CMD, scripting, Powershell Nessus Tenable, ISS Scanner)

Security (MacAfee, Antivirus, Firewall, Compliance)

Sharepoint

AWS & Azure

Cisco

Juniper

Operating Systems (Windows, Macintosh, Linux, Cloud)

Risk mitigation strategies

ServiceNow

Vulnerability Assessment

NIST Standards

SIEM

Log analysis

VoIP

Big Fix

Objective

Seasoned Cybersecurity Expert with over 7 years of hands-on experience in conducting vulnerability assessments, threat analysis, and security research. Proven track record in leading teams, executing penetration tests, and implementing robust security measures. Proficient in a range of tools including Nessus Tenable, ISS Scanner, and Splunk. Committed to ensuring system integrity and confidentiality through meticulous analysis and proactive security strategies.

Experience

JANUARY 2023- PRESENT

Vulnerability Analyst Vector

•Conduct thorough vulnerability assessments and penetration tests to identify potential security weaknesses in systems and networks.

•Analyze security risks and prioritize vulnerabilities based on severity and potential impact.

•Develop and implement strategies to mitigate identified vulnerabilities, including recommending patches, configuration changes, and security best practices.

•Provide technical support to end-users and IT staff, assisting with troubleshooting and resolving security-related issues.

•Stay updated on the latest security threats, trends, and technologies to ensure proactive identification and response to emerging vulnerabilities.

•Tools used: Splunk, Big Fix, ISS Scanner and Tenable

JULY 2018-DECEMBER 2022

Senior Cyber Security Engineer Motorola Solutions INC

•Ability to automate tasks in administrative language through PowerShell/CMD

•Monitor and scan with Nessus for security vulnerabilities, threats and events in network, host systems and applications

•Perform enterprise level Vulnerability Risk Assessments and collaborate with client to provide recommendations regarding critical infrastructure and network security operations enhancement and identify mitigation and/or remediation actions

•Provide support for the user data base, networks and patch management

•Ability to work independently or group and possess strong project management skills when Supervisor assigned Lead projects

•Coordinate the response and Risk Management SOPs for confirmed security incidents, to include efforts to contain, remediate, recover, and prevent

•In-depth knowledge in Active directory, Group Policy, Privilege Access management tool, Endpoint

Protection Platform and Endpoint Detection & Response solutions

•Thorough understanding of System Center configuration manager, Cloud platform –

IaaS, PaaS, SaaS, Patch management, OS hardening and image certification

•Succeeded in Splunk and Cloud deployment to assist with company data/server migration

•Tools used: Splunk, Big Fix, ISS Scanner and Tenable

JANUARY 2017-JULY 2018

IT Security Specialist Defense Nuclear Facilities Safety Board

•Ability to write scripts in administrative language through PowerShell/CMD

•Traveled and established a COOP Exercise Disaster Plan; execute critical risk and business impact assessments and continuity and recovery management plan in a professional manner

•Monitor and scan for security vulnerabilities, threats and events in network, host systems and applications

•Experience with user data base, networks, and patch management

•Developed a knowledge base with IT training materials for various presentation media, such as written, visual, and web-based classes, knowledge base for technicians, and client database · Created user friendly infrastructure for new ticketing and inventory system Track-IT

•Coordinate with Information Technology department and interview panel and aide in recruitment process; formulate training programs and plans for new employees

•Worked with Fore scout setup, and monitoring operations for company network security

•Served as leader/liaison for 8 Board Members for special projects, meetings, and technology issues and upgrades

MAY 2016- MARCH 2017

Security Systems Administrator Marathon THS

•Apply working knowledge of PC software and hardware, operating systems, and network services to provide technical customer support via email, phone, and desk-side if needed

•Ensure supported systems are compliant with software, operating systems, and security patches

•Monitor and report on currently deployed security systems including firewalls, certificates, antivirus and malware protection, email and cloud security suites

•Resolved on average 50-75 tickets or request a day, increasing our resolution SLM status by 75%

•Organized and setup full infrastructure of bench room for Refresh, Data Migration, Re-Image, ensured port activation, user account creation, and inventory requisition

•Interact with network services, system services, software systems engineering, and/or applications to development to restore service and/or identify and correct core problems

•Update systems and processes as required for enhanced functionality and security issue resolution

MARCH 2016- MAY 2016 (SHORT CONTRACT)

IT Specialist IV CSRA- Dept. of Defense NG

•Achieved customer satisfaction rating of 95% within three months, exceeding corporate target

•Facilities information flow between customer service, account management operations, quality assurance, training, and payroll departments to guarantee call center objectives were met

•Assist with configuration, maintenance and troubleshooting of LAN, WAN Modems, routers and SANs

•Effectively manage Service Level Agreements while striving for 100% satisfaction in response time and resolution of tickets in varying levels of difficulty, including those escalated from tier 1 technicians

FEBRUARY 2015 TO MARCH 2016

Help Desk Tech IV Defense Health Agency

•Provided excellent customer service to 75+ remitters over the phone, through email, and face-to-face daily

•MAC side Integrate computers in AD, Exchange: mailbox provisioning

•Analyze complex computer systems, identify problems, and develop and implement logical conclusions and effective solutions

•Experience with anti-virus solutions for MAC and IOS devices

•Operate a personal computer and manage servers using program applications appropriate to assigned duties

•Solid experience with the following Software: Mac OS X 10.6-10.10, iOS 5-8

•Develops and maintains all systems, applications, security, and network configurations · Strong understanding of various networking technologies and protocols, such as, Ethernet switching and routing protocols.

Certifications

•CASP+ Certification

•AWS Certification

•CEH - expired

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