Semaj Johnson Email & Phone Number

Augusta, Georgia, Us

Held multifaceted responsibilities to the Augusta University Cyber Institute to configure, install, administer, and secure the network infrastructure and information systems. Provided system and network administration to ensure high level of reliability and stability to the Cyber Institute infrastructure. Implemented a continuous monitoring solution that verified the integrity, availability of all hardware, server resources, systems, key processes, and reviewed application logs. Designed and created a disaster recovery plan for all network devices on the infrastructure to provide a solid recovery of possible any failed information systems and network devices. Developed security policies with the foundation of NIST 800-53, ISO 27001, and SANS 20 critical security controls (CSC). Implemented, configured, and deployed Cisco Adaptive Security Appliance (ASA), Cisco Adaptive Security Device Manager (ASDM), Cisco SourceFire (SFR), Cisco FirePOWER Management Center, Cisco Identity Services Engine (ISE), that prevented sophisticated cyber attacks against the Cyber Institute from multiple countries.

San Antonio, Texas, Us

Performed duties to create the Army’s Cyber Common Technical Core (CCTC) that provided instructional and training material related to offensive and defensive Cyberspace operations for cyber operators in the U.S. Army. Created instructional course material across four platforms Windows, Linux, security concepts, and networking that teaches threat emulation, mission protection, discovery, counter-infiltration methodologies, computer network exploitation and cyberspace defense for cyber teams. Developed courses teaching several security tools to include NMAP, Kali Linux, Security Onion, Metasploit, Wireshark, TCP Dump, Snort and Nessus.

Arlington, Virginia, Us

Selected as a Cyber Network Defender for the Army’s First Cyber Mission Unit and assigned to perform the duties of computer network defense and cyber warfare. Duties entailed testing, implementing, deploying, maintaining, and administering computer network defense infrastructure hardware and software required to provide defense-in-depth to networks. Hunted for and illuminated adversary activity in DoD cyber terrain using network scanning tools (Wireshark, Metasploit, Nessus, BackTrack, and Sysinternals). Consistently implemented Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs) for DoD Information Systems to eliminate vulnerable systems/software. Research and wrote solutions to system vulnerabilities while providing a detailed breakdown of how attacker accessed Information System.

Washington, D.C., Us

• Designed and deploy managed LANs, WANs, and including routers, switches, firewalls, UPSs, and other hardware. • Configured hundreds of networks to ensure their smooth and reliable operation for fulfilling business objectives and processes. • Daily monitored network performance and troubleshoot problem areas as needed. • Collaborated with department leaders and customer management to assess near- and long-term network capacity needs for managed services. • Flawlessly created and maintained documentation as it relates to network configuration, network mapping, processes, and service records. • Oversaw installation, configuration, maintenance, and troubleshooting of customer managed hardware, software, and peripheral devices. • Provided 24/7 network connectivity of all servers, workstations, telephony equipment, and other network appliances. • Developed, implemented and maintained policies, procedures, and associated training plans for network administration, usage, and disaster recovery. • Proactively conducted research on network products, services, protocols, and standards to remain abreast of developments in the networking industry. • Monitored and test network performance and provide network performance statistics and reports. • Oversaw new and existing equipment, hardware, and software upgrades. • Participated in managing all network security solutions. • Performed security audits, and infrastructure backups and recovery. • Daily provided guidance and senior level support and leadership to junior members of the team.

Arlington, Virginia, Us

• Team Leader of a rapid, deployable communications system (data/voice/satellite) in Operation Iraqi Freedom.• Designed and deploy managed LANs, WANs, and including routers, switches, firewalls, UPSs, and other hardware. • Ensured voice, data, satellite, and video services were available 24x7 by implementing network (router/firewall) configurations, troubleshooting hardware/software faults, updated cryptographic keys, and stayed on call for approximately the entire deployment (365 days).• Operated/maintained an several Simple Key Loaders for cryptographic keys, and associated Communications Security.

Arlington, Virginia, Us

• Identifying computer-user problems and coordinating to resolve them.• Installing, configuring and monitoring local and wide-area networks, hardware and software.• Compiling, entering and processing information.• Providing customer and network administration services such as passwords, electronic mail accounts, security and troubleshooting • Constructing, editing and testing computer system programs.• Conducting data system studies and preparing documentation and specifications for proposals. • Assisting in the design, preparation, editing and testing of computer programs.

Us

• Provided physical security to BAE Systems.

Master Of Science - Ms, Cybersecurity Technology

Bachelor Of Science - Bs, Computer Networks And Cybersecurity

Associate Of Science (As), Information Technology

B.A., Information Technology Management