SUMMARY:

Dedicated self - driven Systems Administrator with proven technical and interpersonal skills, attention to detail and ability to work effectively under pressure. Excellent ability to automate, improve, upgrade, and migrate existing legacy systems while designing, implementing, and continually updating new ones. Experience with a range of tools, equipment, devices and methodology and a strong desire to continue to learn.

TECHNICAL SKILLS:

OS: Windows Server 2003, 2008, 2008r2, 2012, 2012r2, Debian 4, Debian 6, Debian 7, Debian 8, Ubuntu 12.04, Ubuntu 14.04, Ubuntu 16.04, OpenSUSE, SUSE Linux, CentOS 6, CentOS 7, FreeNAS, Amazon Linux, Proxmox, FreeNAS, Monowall, pfSense, RedHat Enterprise Linux, IBM AIX, Unix, Unix-like, *NIX, Vmware, IOS, Android 5 Lollipop, Android 6 Marshmallow, Android 7 Nougat, Android 8 Oreo

Cloud Technologies: Microsoft Azure, Amazon Web Services (AWS), CloudWatch, S3, EC2, Glacier, IAM, VPC, Route 53, Autotask, eFolder, Datto backup, IBM AIX, IBM as400 (I-series), Exagrid, 45Drives, Google G Suite, Office 365, Exchange 365, Skype for Business, Lync 365Networking Technologies configured, supported, or deployed DNS, WINS, DHCP, TCP/IP, SNMP V3, HTTP, HTTPS, NAT, OSPF, Subnet, FTP, SFTP, FTPS, NFS, iSCSI, VLAN, DDNS, RADIUS, QoS, VoIP, IPSEC VPNs, openVPN, OSPF, SNMP V3, Cisco DMVPN, MPLS, iptables, Quagga, Cisco WebVPN, Cisco SSL VPN

Networking equipment vendors: Brocade, Cisco, Aerohive, Fortinet, Dell SonicWall, SonicWall before Dell purchase, HP, Dell, 3com, Ubiquiti, Cisco Meraki, Meraki before Cisco purchase, Extreme Networks, ReliantServer desktop technology and applications configured, supported, or deployedActive Directory, MSSQL Server administration, VMware ESXi Server 4.0-6.5, Exchange 2003, Exchange 2010, Exchange 2013, PXELinux, Hyper-V, ZFS, Linux ZFS, Infiniband, Proxmox, OpenVZ, LXE, LXC, Virtualbox, Vagrant, Symantec Backup Exec, Shadow Protect, Bacula, RANCID, Crashplan, Dell AppAssure, Clonezilla, FOG, Puppet, Chef, Solarwinds N-Able, Solarwinds N-Central, Solarwinds Orion, Incinga, IT Glue, Bomgar, Request Tracker, Asterisk, Nagios, Kpatch, nginx, Apache2, Tomcat, IIS, Python-twisted, Debarchiver, Approx, ESET ERA, ClamAV, Snort, Tripwire, Solarwinds Orion, Zabbix, NESSUS, WSUS, SCCM, WDS, IPAM, RSA Access Manager, Microsoft Office suite, Microsoft Visio, Made2Manage, Solidworks pdmworks, OpenOffice, Libreoffice

Databases: MSSQL, MS Access, MySQL (which forked off into MariaDB), SQLite, ProsgreSQL, Firebird, AIX DB2.

Programming/Scripting Languages used: Bash, Python, Powershell, Batch, Perl, VB, Vbscript, Ruby

EXPERIENCE:

Linux Systems Administrator

Confidential

Responsibilities:

• Designed and configured network/system monitoring using Solarwinds Orion, Zabbix, CloudWatch, NESSUS, and Nagios tools. Including migrating legacy monitoring systems to newer versions or entirely separate tools.
• Deployment and management of Puppet, PXELinux, and a multitude of custom scripts (Bash, Python, Powershell, Batch, Perl) and tools for system configuration targetting Ubuntu, Debian, Centos, Cisco, Brocade, and SUSE platforms.
• Management of custom application repository and web repository mirror, package, OS, and Kernel update scheduling, planning, and deployment, using Kpatch, to deploy updates without reboot of critical 24/7/365 systems, and well as assisting in development of compatibility patches and workarounds for in-house developed legacy applications.
• Management of server and cloud storage, including ZFS snapshots and recovery, most notably migrating the contents of several existing EMC Cellera devices to new FreeNAS and AWS and Google Drive cloud-based solutions, including recovery of ~1tb of data that was labeled 'unrecoverable' by and EMC reseller after a severe controller failure resulting in data corruption to historical data.
• Network Administration and planning working with Cisco, Cisco ASA, HP, Aerohive, and Brocade hardware as well as CISCO SSL VPN, OpenVPN, iptables, OSPF, Quagga, and other software tools. Additionally managed RSA Access Manager to allow users 2-factor authentication.
• Management of backups, snapshots, and recovery of critical 24/7/365 systems, including MySQL, MSSQL, PostgreSQL, and Firebird databases, as well as a legacy AIX ERP software that was running a DB2 database under IBM AIX.
• Migrated VMs and containers running under Proxmox 3.2, 4.2, 4.3, and 4.4 to a standardized VMware 6.5 multi-site cluster. Containers ran as LXE, LXC, and OpenVZ container types.
• Designed and deployed AWS infrastructure (VPC, EC2, S3, Glacier, IAM), migrating several existing internet-facing services and websites from in-house hardware and various other cloud vendors to AWS.
• Management and deployment of ~6000 instances of in-house developed software to registers and store equipment including management for a total of ~900 independent REST and SOAP based secure Apache2, python-twisted, and nginx services.
• Management and support for Asterisk integrated Request Tracker ticket system, including auto-generation of tickets based on Auto-attendant tied scripts and REST requests.
• Management of ~250 android and Apple IOS based tablet devices via Google and Apple provided MDM software, including updates, wireless security, and user authentication.
• Management, deployment, and support for Splunk Enterprise for log capture and data analytics capturing and storing logs from all server, networking, and store-based equipment and software.
• Management, monitoring, and deployment of IPS, IDS, AV, and FIM tools such as Snort, Tripwire, ClamAV, ESET ERA, Cisco Firepower
• Managed external auditing and penetration testing as well as conducting routine internal audits and vulnerability scans in accordance with PCI compliance for Level-1 VISA with over 20 million transactions annually. As well as the continual monitoring of security forums and conventions (DEFCON), and patching all systems to address any and all found vulnerabilities.

Managed Services Architect/Systems Administrator/Solutions Architect

Confidential, Maysville, OK

Responsibilities:

• Designed and developed custom scripts/tools for my team as well as other departments using Bash, Python, PowerShell and other languages as needed.
• Designed and configured network/system monitoring using Solarwinds N-Central products.
• Created and maintained multiple clients/customers network documentation
• Acted as a virtual CIO for our clients, providing monthly/quarterly network and systems performance reviews and future capacity planning with clients/customers.
• Monitored/configured/utilized backup solutions who's needs varied depending on client/customer
• Lead multiple DR efforts and severity 1 support incidents
• Played a key role in sales processes as a functional sales engineer with my focus being on scoping, planning, and documenting projects.
• Designed and deployed multi-site high level networking and server infrastructure
• Handling desk side/remote support for employees that may be located as far away as Dubai
• Designed and developed in-house database applications and Windows Metro applications for sales and marketing. Additionally created powershell and batch scripts/tools for myself and other members of the team.
• Installed/configured network monitoring using Spiceworks/Nagios at first but eventually switching to PRTG
• Migrated several physical servers and VMware ESXi 3.5 VMs/hosts to ESXi 5.5 (vSphere) Refreshed aging infrastructure.
• Migrated organization from Windows Server 2003 based domain infrastructure to a Windows Server 2012r2 based domain with the majority of physical servers converted to VMs running on VMware ESXi 5.5 VM hosts.
• Migrated organization from a class C to class A network, Installed and configured Extreme Networks switches to facilitate networking needs and allow for greater management of network traffic and a previously unavailable level of monitoring across the board.

Systems Administrator/IT Specialist

Confidential, Oklahoma city, OK

Responsibilities:

• Migrated server roles from physical hosts running NT 4/Server 2000 to modern standards, eventually resulting in their server infrastructure being primarily Server 2012 and 2012 r2 VMs running on a VMware ESXi cluster.
• Personally installed/configured/managed Extreme Networks switches with 10gb fiber backbone.
• Maintained multi-campus network with ~400 computers and ~100 employees/~1000 students, including handling helpdesk tickets and physically maintaining equipment.
• Personally researched/migrated/configured over 200 mailboxes from Exchange 2003 to Exchange 2010.
• Created a desktop imaging solution based on PXELinux, originally researched and tested FOG but at the time the FOG project did not fulfill my additional needs for password protection and support for quickly livebooting of tools and utilities, so I designed a new solution from the ground up.
• Planned, organized and performed recabling of new and old buildings for modern Cat6 cabling.
• Automated nearly all desktop configuration tasks via Group Policy and SCCM, automated deployment/imaging first with WDS then redesigned later with PXElinux based solution.
• Installed and configured Fortinet Fortigate firewall with IPSec VPN and User group defined content filters via LDAP.
• Deployed single role/application Ubuntu and Opensuse VMs for uses such as DHCP, one-off backup and recovery through Bacula, Network switch backup and configuration managed through RANCID.