Derek Felix
St. Charles,Missouri
Summary
Highly skilled and results-driven IT Professional with 12 years of experience managing diverse server environments. Proficient in a wide range of technologies, command line scripts, service desk operations, and networking. Experienced with maintaining system security and efficient asset inventory management. Reputable for exceptional troubleshooting abilities and customer service and communication skills. I am eager to leverage my expertise and contribute to the success of your organization.
Overview
12
12
years of professional experience
1
1
Certification
Work History
Systems Administrator
Boeing
Hazelwood, MO
10.2022 - 01.2024
- Maintain air-gapped and standalone unclassified D.O.D. systems and networks in accordance with NIST SP 800-171 DFARS protocol.
- Implement and enforce security controls such as OS patches, antivirus, RBAC, SecRMM, and BitLocker to protect sensitive data and mitigate potential risks.
- Efficiently image new and existing machines to restore functionality and resolve technical issues promptly, minimizing downtime and maximizing productivity.
- Collaborate with cross-functional teams to identify system vulnerabilities, perform risk assessments, and implement appropriate remediation measures.
- Conduct system audits such as SCAP and STIG scans to ensure adherence to company standards and regulatory requirements.
- Provide technical support to end-users, troubleshooting hardware and software issues, and resolving tickets within defined service level agreements.
- Utilize IT service management tools such as JIRA and ServiceNow to track and document incidents, problems, and changes.
- Assist in the implementation, and maintenance of disaster recovery and business continuity strategies.
- Conduct regular inventory assessments and maintenance of company lab assets, accurately tracking and managing hardware and software resources.
- Implemented network services such as DHCP, DNS, Azure Active Directory and Group Policy Objects.
Systems Administrator
Enterprise Holdings
Weldon Spring, MO
07.2017 - 02.2022
- Utilized ServiceNow to create and resolve 2nd tier user and server-related technical issues as delivered via SCOM. These included physical devices such as contract printers, thin clients, MVDs and Office 365 mailboxes on the end user side and disk space alerts, network connectivity issues and server hardware failures on the SCOM side. Performed remote installations for user requested software and remote restarts to resolve hung systems.
- Administered Office 365 and Windows support to Physical and ESX/VMware platforms via Azure Active Directory, Group Policy, and SCCM. Powershell and command line scripts used to resolve disk space issues and perform remote reboots.
- Utilized CyberArk data vault to passthrough to elevated access terminals for the purpose of performing specialized tasks and carry out monthly password refreshes
- Performed physical and virtual decommissions and deployments of Windows servers, up to and including unracking and storing for disposal. Utilized load balancers such as BigIQ to maintain user parity and ensure no sessions were lost during maintenance.
- Troubleshooting of smaller scale networking issues resolved via configuration changes made in DHCP, DNS, and Infoblox.
- Monitored and maintained personal and corporate level VMware machines with the use of virtualization applications vCenter, vSphere, and vRealize.
- Worked closely with team members to develop resolutions to hardware and software related issues, gain experience, and expand the team's internal knowledge base and documentation via Sharepoint
IT Computer Operator
Enterprise Holdings
Weldon Springs, MO
12.2011 - 02.2022
- Administered IBM iSeries server support through the means of nightly/weekly backups, upgrades/patching, error resolution/escalation, and disaster recovery training.
- Assisted in Linux/UNIX upgrades via deployment platforms RunDeck, Jenkins, and in-house UNIX script modules.
- Monitored alerting system TEC/Netcool for proprietary server and application faults and escalated to the appropriate IT personnel when an event occurred.
- Transmitted ADP payroll data for the entire United States region twice weekly.
- Performed on the job training for new hires and shadows in nightly operations tasks and responsibilities, both onsite and remotely.
- Kept flexible schedule and resolved after-hours emergencies quickly and accurately.
Education
Associate of Arts - Computer Science
Saint Charles Community College
Skills
- Server Management - Windows, UNIX, Linux, iSeries
- Azure Active Directory, Group Policy
- SCCM
- DHCP, DNS, and Infoblox
- ESX/VMware, vSphere, Citrix Director
- Rundeck and Jenkins
- System security and hardening - OS/Software Patching, Antivirus, Bitlocker, SecRMM
- Office 365 Administration
- ServiceNow
Certification
- AZ-900 Azure Fundamentals - 2022
- SC-900 Security Fundamentals - 2022
Timeline
Systems Administrator
Boeing
10.2022 - 01.2024
Systems Administrator
Enterprise Holdings
07.2017 - 02.2022
IT Computer Operator
Enterprise Holdings
12.2011 - 02.2022
Associate of Arts - Computer Science
Saint Charles Community College