Hi, I’m
Roger Miller
Las Vegas,NV
Summary
IT professional with over 10 years of experience in application support, systems administration, and cybersecurity. Expertise in maintaining enterprise applications and securing multi-platform environments in high-demand, 24/7 settings. Demonstrated success in administering Windows and Linux systems, monitoring performance logs, and implementing proactive security measures. Committed to delivering exceptional IT support through clear communication and efficient problem-solving.
Overview
11
years of professional experience
1
Certification
2
years of post-secondary education
Work History
Marathon Refining
Operations Manager
10.2017 - 07.2023
Job overview
- Analyzed wastewater production data, system logs, and reporting outputs to identify inefficiencies and optimize compliance workflows.
- Administered operational and digital systems for wastewater process tracking, compliance reporting, and environmental monitoring.
- Coordinated the implementation of new wastewater management protocols, ensuring compliance with environmental regulations and improving operational efficiency through staff training and development.
- Collaborated with quality assurance to refine wastewater treatment protocols and procedures, improving the unit’s operational effectiveness.
- Maintained detailed records of wastewater production variables and treatment processes, demonstrating strong organizational and data management skills to support regulatory reporting and operational audits.
United States Air Force, Office of Special Investigations
Knowledge Operations Manager / IT Manager
07.2014 - 04.2016
Job overview
- Served as the primary knowledge operations and IT support liaison for AFOSI special agents, enabling secure access to investigative systems, case files, and classified communications platforms.
- Managed digital records, case documentation workflows, and secure SharePoint portals to support active criminal, counterintelligence, and anti-terrorism investigations.
- Maintained strict information assurance and compliance protocols in alignment with DoD, AFI 33-series, and OPSEC policies to protect sensitive case data and agent communications.
- Collaborated directly with OSI leadership to improve knowledge flow streamline digital case file handling and eliminate redundant administrative bottlenecks.
- Led onboarding and offboarding for personnel, managing user account provisioning, system access, and asset tracking.
- Managed facility IT resources, ensuring proper maintenance of technical equipment and infrastructure to support smooth operations.
- Managed the full lifecycle of IT support tickets through the Remedy system and its successor platforms, from intake and resolution to escalation when necessary.
United States Air Force, Weapons School
IT & Knowledge Operations Specialist
06.2012 - 07.2014
Job overview
- Supervised and tracked the status and workflow of support tickets using ITSM tools, enabling timely resolutions and identifying recurring issues for process improvement.
- Interpreted system performance data from ticketing systems to optimize issue resolution process and enhance service delivery across technical teams.
- Delivered Tier I technical support for hardware, software, and network issues in a high-security, mission-critical environment.
- Collaborated cross-functionally with leadership to document workflows, enhance knowledge sharing, and streamline technical training materials.
- Led troubleshooting and root cause analysis for device and connectivity issues, providing actionable insights and system-level documentation.
- Managed asset provisioning, account creation, and maintenance of IT systems to support mission-critical activities.
- Employee of the year awarded for outstanding contributions to the USAF Weapons School.
Education
DeVry UniversityOrlando, FL
Bachelor of Science from Technical Management
02.2025 - Current
University Overview
- Relevant Coursework:
- Business Analytics
- Database Essentials for Business
- Principal of Management
- Project Management
- Financial Accounting
- Data Analysis with Spreadsheets
DeVry UniversityOrlando, FL
Associate of Science from Cybersecurity and Networking
07.2023 - 02.2025
University Overview
- Relevant Coursework:
- Information Systems Security
- Introduction to Cloud Computing
- Information Technology and Networking
- Infrastructure Security
Skills
- Knowledge & Information Management
- Cybersecurity and Compliance
- Data Analysis & Interpretation
- IT and Network Management
- ITSM Tools
- Cross-Functional Collaboration
- Customer Service and Support
- Analytical Thinking
- Technical Proficiency
Certification
- A+ 220-1001, CompTIA May 2024
- Security +, CompTIA May 2018 Exp.
Timeline
DeVry University
Bachelor of Science from Technical Management
02.2025 - Current
DeVry University
Associate of Science from Cybersecurity and Networking
07.2023 - 02.2025
Operations Manager
Marathon Refining
10.2017 - 07.2023
Knowledge Operations Manager / IT Manager
United States Air Force, Office of Special Investigations
07.2014 - 04.2016
IT & Knowledge Operations Specialist
United States Air Force, Weapons School
06.2012 - 07.2014
Similar Profiles
Lawrence J Kelly JrLawrence J Kelly Jr
Process Technician/ Hydrotreater at Marathon RefiningProcess Technician/ Hydrotreater at Marathon Refining
David GarciaDavid Garcia
Crane Operator/Rigger at Marathon Petroleum RefiningCrane Operator/Rigger at Marathon Petroleum Refining
MOHD HALEEM HILALMOHD HALEEM HILAL
Control Room Operator & Acting Shift Supervisor at Hengyuan Refining Company Berhad (Formerly known as Shell Refining Company (FOM) Berhad)Control Room Operator & Acting Shift Supervisor at Hengyuan Refining Company Berhad (Formerly known as Shell Refining Company (FOM) Berhad)
James Morgan BSN, RNJames Morgan BSN, RN
ICU RN at Centennial Hills HospitalICU RN at Centennial Hills Hospital
Oscar VillalobosOscar Villalobos
Lockbox Processor at Western Alliance BankLockbox Processor at Western Alliance Bank