Leroy Owusu-Sakyi

Work History

Security Engineer

Cornerstone OnDemand

Santa Monica, CA

01.2019 - Current

Performed threat modeling and security reviews on cloud accounts, architecture, and services to identify risks and implement mitigating controls that aligned with overall business objectives
Implemented and managed a continuous compliance monitoring program through automated security scans of cloud infrastructure that was based on CIS benchmarks and high risk use cases (Dome9)
Lead vulnerability management, Intrusion Detection and automation projects that dealt with cross-domain collaboration and end to end security process development
Improved security logging and alerting by conducting a enterprise wide gap analysis and management of various systems, then developed a logging policy based on my analysis to influence change
Dramatically streamlined the review of FedRAMP vulnerability management findings from Tenable scans by creating JIRA Dashboards, ticket automation, and cross team notifications focused on SLA transparency
Guided SOC analysts and helped develop new team members
Reduced false positive alerts by 60% by tuning rule sets and security detection tools
Developed mitigation plans, SOP's and run books for incident response guidance to help external teams become successful

Tier III Network Security Engineer

B&D Consulting Inc.

Forte Meade, MD

06.2018 - 01.2019

Designed, tested, and configured network security systems and tools, then developed DoD network security implementation plans for Tier II engineers
Technically administration of Firewalls, Mail guards, DLPs , Proxy Servers PKI and other security appliances
Configured, maintained, troubleshot Cisco, Palo Alto, Juniper, Windows, Symantec and Bluecoat servers, switches, routers and/or appliances
Configured, maintained, and Actively troubleshot PKI Authentication and Identity Access management solutions
Utilized Network Protocols such as BGP, TCP/IP, HTTPS, LDAPS ect

Cyber Security Analyst At US Department Of State

ZP Solutions

Belttsville, MD

2 2017 - 06.2018

Conducted cyber security incident response and monitoring for a 24x7x365 cabinet level federal agency as a rotating shift lead
Performed lead responsibilities, including SOC shift briefings, aligning team with goals and process streamlining with upper management
Identified, documented and resolved suspicious incidents using SIEM and analysis tools (Splunk, CISCO and Palo Alto Firewalls, Bromium, IDS/IPS, RSA, Wireshark)
Conducted forensic and malware analysis using open source and closed source tools. (CRITs, FireEye, Virus Total)
Analyzed network logging and alerting systems in order to anticipate and prevent malicious activities
Collaborated with management in automating work-flows and streamlining processes in order to meet the SLA

Security Specialist & Office Manager

True Care Health

Elkridge, MD

04.2011 - 04.2018

Identified, evaluated and remediated security risks then translated the value to business owner
Educated employees on how to use technology securely and handle PII through security policies and training.
Served as the Subject Matter Expert (SME) for IT solutions, and provided security guidance to ensure the integrity, confidentiality, and availability of personally identifiable information (PII) and private medical health records

Data Center Technician At U.S. Department Of State

ValidaTek, Inc.

Washingon, D.C.

5 2015 - 2 2017

Monitored the Remedy ticket queue, conducted troubleshooting on virtual machines and triaged tickets according to SOPs.
Closely Monitored the Department of State network and Handled classified information while providing a timely response to customer queries for network assistance
Performed audits of Data Center devices and information in order to properly maintain knowledge base documentation

Help Desk Technician

Colliflower Inc.

Baltimore, MD

06.2014 - 06.2015

Collaborated with vendors to diagnose and troubleshoot problems, as well as consult on architectural design and configuration changes
Performed network administration for 23 stores while multitasking in a diverse and fast paced office environment
Configured Firewalls, Routers, VoIP, VPN connections and workstation baselines and user accounts in order to maintain a secure working environment.

Software Quality Assurance Intern

General Dynamics IT

Towson, MD

5 2013 - 2 2014

Actively participated in an SDLC and agile team environment that included daily scrums and 2-week sprints for effective software development communication and planning
Tested Quality Assurance Software through for MedMeasures a Medical Management software.Presented fixes found in developmental software to programmers and stake holders to ensure the creation of a quality product
Used SQL management studio to run queries to manipulate data in MySQL

Summary

Overview

Work History

Security Engineer

Tier III Network Security Engineer

Cyber Security Analyst At US Department Of State

Security Specialist & Office Manager

Data Center Technician At U.S. Department Of State

Help Desk Technician

Software Quality Assurance Intern

Education

Bachelor of Science - Computer Information Systems

Skills

Certification

Timeline

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