{"id":218,"date":"2025-01-30T18:11:28","date_gmt":"2025-01-30T18:11:28","guid":{"rendered":"https:\/\/wp.odu.edu\/cyberimpact-template\/?page_id=218"},"modified":"2026-09-18T11:53:28","modified_gmt":"2026-09-18T11:53:28","slug":"skills-2","status":"publish","type":"page","link":"https:\/\/sites.wp.odu.edu\/dhill036\/skills-2\/","title":{"rendered":"Skills"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">Technical Capabilities<\/h1>\n\n\n\n<p>My professional background spans cybersecurity engineering, network infrastructure, Linux and Windows administration, secure communications, RF\/SATCOM systems, vulnerability management, and DevSecOps automation. I have supported DoD, OCONUS, and mission-critical environments where systems must be secure, reliable, and operational under real-world conditions. My focus is not limited to identifying cybersecurity issues; I also have hands-on experience installing, configuring, troubleshooting, hardening, documenting, and sustaining the infrastructure those systems depend on.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Network Engineering &amp; Infrastructure<\/h2>\n\n\n\n<p>I have hands-on experience with Cisco and routers, switches, and firewalls, including installation, configuration, troubleshooting, licensing and sustainment across distributed operational networks. My current work also includes VRRP configuration, public IP coordination with ISPs, SolarWinds, Nagios, Cacti, VoIP\/PBX troubleshooting, Eaton network-connected UPS systems, and remote-site infrastructure support.<\/p>\n\n\n\n<p><strong>Tools and technologies:<\/strong><\/p>\n\n\n\n<ul>\n<li>Cisco routers and switches<\/li>\n\n\n\n<li>VRRP<\/li>\n\n\n\n<li>SolarWinds<\/li>\n\n\n\n<li>Nagios<\/li>\n\n\n\n<li>Cacti<\/li>\n\n\n\n<li>VoIP\/PBX<\/li>\n\n\n\n<li>PS&amp;C<\/li>\n\n\n\n<li>TCP\/IP troubleshooting<\/li>\n\n\n\n<li>Distributed and remote-site networking<\/li>\n\n\n\n<li>ISP circuit coordination<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Linux &amp; Windows Systems Administration<\/h2>\n\n\n\n<p>I have administered<strong> <\/strong>RHEL, CentOS, Ubuntu, Debian, Rocky Linux, and Windows environments supporting secure communications and operational systems. My experience includes system administration, operating system upgrades, enterprise application patching, configuration changes, system monitoring, and production\/test support.<\/p>\n\n\n\n<p><strong>Platforms and tools:<\/strong><\/p>\n\n\n\n<ul>\n<li>Red Hat Enterprise Linux (RHEL) 6, 7, and 8<\/li>\n\n\n\n<li>CentOS<\/li>\n\n\n\n<li>Ubuntu<\/li>\n\n\n\n<li>Debian<\/li>\n\n\n\n<li>Rocky Linux<\/li>\n\n\n\n<li>Windows Server 2022<\/li>\n\n\n\n<li>Windows 10 and Windows 11 Workstations<\/li>\n\n\n\n<li>Linux Command-Line Administration<\/li>\n\n\n\n<li>Bash Scripting<\/li>\n\n\n\n<li>Python 3<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vulnerability Management &amp; Cyber Defense<\/h2>\n\n\n\n<p>My cybersecurity experience includes designing and operating vulnerability-scanning environments, hardening systems, analyzing traffic, supporting remediation, and maintaining compliance documentation. I have used Nessus, Nmap, Masscan, Rapid7 Nexpose, Metasploit, Wireshark, Splunk, and Cribl Edge across enterprise environments.<\/p>\n\n\n\n<p><strong>Security tools:<\/strong><\/p>\n\n\n\n<ul>\n<li>Tenable Nessus<\/li>\n\n\n\n<li>Nmap<\/li>\n\n\n\n<li>Masscan<\/li>\n\n\n\n<li>Rapid7 Nexpose<\/li>\n\n\n\n<li>Metasploit<\/li>\n\n\n\n<li>Wireshark<\/li>\n<\/ul>\n\n\n\n<p><strong>Cybersecurity functions:<\/strong><\/p>\n\n\n\n<ul>\n<li>Vulnerability scanning<\/li>\n\n\n\n<li>Attack-surface identification<\/li>\n\n\n\n<li>System hardening<\/li>\n\n\n\n<li>Network traffic analysis<\/li>\n\n\n\n<li>Packet analysis<\/li>\n\n\n\n<li>Security monitoring<\/li>\n\n\n\n<li>Remediation planning<\/li>\n\n\n\n<li>Forensic support<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Technical Capabilities My professional background spans cybersecurity engineering, network infrastructure, Linux and Windows administration, secure communications, RF\/SATCOM systems, vulnerability management, and DevSecOps automation. I have supported DoD, OCONUS, and mission-critical environments where systems must be secure, reliable, and operational under real-world conditions. My focus is not limited to identifying cybersecurity issues; I also have hands-on&#8230; <\/p>\n<div class=\"link-more\"><a href=\"https:\/\/sites.wp.odu.edu\/dhill036\/skills-2\/\">Read More<\/a><\/div>\n","protected":false},"author":30353,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"_links":{"self":[{"href":"https:\/\/sites.wp.odu.edu\/dhill036\/wp-json\/wp\/v2\/pages\/218"}],"collection":[{"href":"https:\/\/sites.wp.odu.edu\/dhill036\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sites.wp.odu.edu\/dhill036\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sites.wp.odu.edu\/dhill036\/wp-json\/wp\/v2\/users\/30353"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.wp.odu.edu\/dhill036\/wp-json\/wp\/v2\/comments?post=218"}],"version-history":[{"count":5,"href":"https:\/\/sites.wp.odu.edu\/dhill036\/wp-json\/wp\/v2\/pages\/218\/revisions"}],"predecessor-version":[{"id":725,"href":"https:\/\/sites.wp.odu.edu\/dhill036\/wp-json\/wp\/v2\/pages\/218\/revisions\/725"}],"wp:attachment":[{"href":"https:\/\/sites.wp.odu.edu\/dhill036\/wp-json\/wp\/v2\/media?parent=218"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}