System ADMINISTRATOR

MYRON GLEGHORN

Systems Administrator

St. Louis, MO 314-***-**** *************@*****.*** https://www.linkedin.com/in/myron-gleghorn-1176079

***** ******* ******** **********, ******** 63034

SUMMARY

Results-driven Network Systems Application Engineer with extensive experience designing, administering, optimizing, and supporting enterprise IAM, application platforms, and mission-critical infrastructure. Proven ability to architect, monitor, troubleshoot, and optimize high-availability enterprise environments while ensuring maximum performance, reliability, and operational resilience. Demonstrated success managing large-scale platforms, strengthening CMDB governance, and driving ITSM operations across financial, healthcare, energy, and telecommunications organizations. Hands-on administrator with expertise in ServiceNow, ITSM, Jira, Splunk, SolarWinds, AppDynamics, Dynatrace, Tripwire, and other enterprise monitoring and observability platforms. Adept at integrating enterprise technologies, enhancing platform stability, automating operational workflows, and strengthening infrastructure visibility through proactive monitoring and analytics. Proven track record of reducing incidents, improving CMDB accuracy, optimizing platform performance, and advancing operational excellence through governance, automation, ITIL v4 best practices, and continuous service improvement.

PROFESSIONAL EXPERIENCE

Humana Healthcare Inc.

IT TSOEC-ITSA NOC Splunk Engineer, (Contract) 10/2024 – 12/2025

Led platform observability using Splunk ITSI integrated with ServiceNow Workflows

Monitored and optimized Humana’s Technical Operations Center (TOC) ServiceNow ITSI environment. Administered and maintained SolarWinds Network Performance Monitor (NPM) for Humana enterprise-wide services and infrastructure monitoring Applications, Network servers, network environments.

Collaborated with network, systems, and operations teams to troubleshoot latency, packet loss, CPU utilization, memory consumption, and application performance issues.

Enhanced monitoring visibility and operational effectiveness across multiple tools, including Splunk, Dynatrace, SolarWinds, and Aternity (Aubrik), ensuring comprehensive and consistent observability of critical systems.

Optimized system performance through capacity planning, resource utilization analysis, and infrastructure tuning.

Analyzed system logs, network traffic, application metrics, and infrastructure telemetry to rapidly diagnose production issues.

Worked closely with Network Operations Center (NOC) and Security Operations Center (SOC) teams to monitor enterprise infrastructure and resolve critical incidents.

Applied Site Reliability Engineering (SRE) principles by establishing service health indicators, reliability metrics, and best practice monitoring strategies that improved platform availability and operational resilience.

Developed enterprise-wide NOC dashboards that provided real-time visibility into network health, availability, and performance metrics, optimized Splunk ITSI correlation searches and KPIs while improving alert accuracy and reducing false positives.

Ameren Electric

(DCC) Operations Administrator Specialist II, (Contract) 03/2023 – 06/2024

Achieved 98% incident resolution rate per ServiceNow ITSM processes

Achieved 98% resolution rate on request calls while overseeing the ServiceNow CMDB, change requests, incidents, service tasks, and implementations. Supported real-time infrastructure monitoring across hybrid environments (on-prem + cloud).

Conducted root cause analysis of infrastructure incidents using SolarWinds monitoring and diagnostic tools.

Collaborated with Network Operations Center (NOC), engineering, and service desk teams to resolve critical incidents and restore services.

Managed the DCC Operations Bridge, monitored critical application servers protected/non-protected, Oracle processes, storage applications, DynaTrace, cyber-security alerts, Intelligrid network, AMI collectors, APC-UPS battery systems, and Perform SCADA.

Resolved high-priority issues working with RTU systems, Nokia 7705 equipment, Autosys backend jobs, BlueCat IP/DNS infrastructure, Avamar backup/restore, F5 Air Watch, T/Windows FAA reporting, Critical Incidents, and DVR/AMAG, ensure minimal downtime and continual High-availability, CyberArk (PVWA).

Performed weekend tasks optimizing batch job streams, scheduling dependencies for weekly production processing and reporting cycles. Implementing, maintaining, and optimizing enterprise job scheduling and workload automation solutions using AutoSys.

Applied Network Operation Technologies (NOC) methodologies to improve system reliability, reduce operational risks, and enhance service availability across mission-critical environments.

Conducted network data analysis and network monitoring activities involving SCADA networks, DNS services, and enterprise infrastructure to ensure system stability and performance.

Wells Fargo

Lead Technical Production Operations Admin / ServiceNow Admin 03/2021 – 03/2023

Administered ServiceNow platform including users, roles, groups, and ACLs

Managed critical enterprise infrastructure for Wells Fargo, overseeing security, network, server, application, and overall IT infrastructure environments while upholding strict standards of confidentiality, integrity, and accountability. Developed and enforced data retention policies for shared drives and legacy systems, significantly reducing data sprawl and improving governance.

Performed SolarWinds platform upgrades, patch management, and system maintenance while minimizing service disruptions.

Managed SolarWinds monitoring for over 2,000 network devices and 500+ servers across multiple data centers.

Leveraged NetFlow and bandwidth utilization reports to identify network bottlenecks and support capacity planning initiatives.

Operated in a fast-paced agile environment, participating in daily Kanban standups and leveraging Jira to efficiently prioritize, track, and resolve service tickets, accelerating mean time to resolution.

Key coordinator of scheduled changes in ServiceNow, CAB Operations, maintained high- availability preventing production disruptions. Experience with Change Management and CAB processes and procedures.

Performed real-time monitoring and performance analysis using Splunk, Dynatrace, BigPanda, Grafana, AppDynamics, Elasticsearch, and Tripwire; identified and remediated network, CPU, disk utilization, and capacity issues across physical servers, databases, and virtual machines, resulting in measurable improvements to system performance and reliability.

Administered and documented multiple SharePoint environments, while leading cross-functional discussions to standardize infrastructure documentation and streamline deployment processes.

Implemented high-availability and disaster recovery strategies for critical PKI components across multiple environments.

Managed Splunk Enterprise and Splunk Cloud solutions supporting enterprise monitoring, operational analytics, security investigations, and infrastructure observability across financial services environments.

Optimized dashboards, alerts, and reports to provide actionable intelligence and accelerate incident resolution.

Implemented best practices focused on service reliability, observability, performance optimization, and reduction of mean time to recovery (MTTR).

Conducted network data analysis and network monitoring of servers, applications, and network infrastructure, vigilantly identifying performance bottlenecks and capacity constraints.

Applied TCP/IP networking fundamentals to troubleshoot connectivity issues, packet flows, routing, DNS services, and application communication across multi-datacenter environments.

Boeing Corporation

Lead MFTS Functional Administrator, (Contract) 02/2019 – 12/2020

Served as the primary functional lead for the Managed File Transfer Service (MFTS) platform.

Successfully coordinating the migration of over 200 Boeing customers, global business units, and suppliers to the Linux-based MFTA platform. Delivered all migrations on time, ensuring seamless transitions with zero customer-impacting delays.

Initiated and maintained communication with management, strengthening customer relationships; refined onboarding processes for migrating Business System accounts using ServiceNow, which streamlined migrations and reduced onboarding errors.

Designed and documented comprehensive service data-flow architecture diagrams and authored detailed testing procedures, resulting in clearer system understanding, reduced rework, and higher-quality implementations.

Led refinement of onboarding workflows in iCIMS, substantially decreasing errors during migration of Business System accounts and streamlining account provisioning.

Managed multiple SharePoint sites, updating outdated information and producing Excel spreadsheets for management to track migration issues, and administered DigiCert X509 certificates and SSH key pairs for business systems, which increased data accuracy and security.

Refined onboarding processes, reducing errors in migrating Business System accounts. This role combined deep technical platform expertise, process optimization, stakeholder management, and customer-focused delivery to drive a major enterprise file-transfer modernization initiative.

Performed network data analysis and network monitoring to ensure reliable connectivity and secure data transmission across distributed file transfer environments.

Applied TCP/IP networking fundamentals to troubleshoot network communications, secure file transfer protocols, DNS resolution, and connectivity issues affecting enterprise integrations and business partners.

MasterCard Inc.

Production Support Infrastructure Engineer, (Contract) 12/2017 – 05/2018

Managed single/multi-page dashboards for file-submission throughput and incident alerts.

Coordinated change administration for all F5 updates, failovers, patch deployments, and datarecovery tasks, and performed load balancing on Windows 2008 and 2012 servers, which maintained service availability and reduced unplanned downtime.

Assisted techs making sure that the Global Certificates (Client and Server) of MasterCard remained outside of their 90 days revocation on all Application servers, Web servers, and Website portals of MasterCard and its external vendors per SLA policy and procedures.

Analyzed UNIX/LINUX log files & scripting in Bash and Java, maintaining application performance. Ensured Global Certificates remained valid beyond 90 days on all servers, adhering to MasterCard SLA policies. Leveraged enterprise tools including SharePoint, Jira, and AppDynamics to streamline incident tracking, facilitate team collaboration, configure performance monitoring alerts, and significantly improve mean-time-to-resolution (MTTR).

Utilized AppDynamics to monitor baseline performance, including SharePoint, MS Office Suite, INetco, Jira, ALM, xMatters, Citrix, F5 Load Balancer, and Remote Desktop—to coordinate incident response, which streamlined workflow and improved response times.

Managed Certificate Authorities (CA), Registration Authorities (RA), Hardware Security Modules (HSMs), and certificate lifecycle services. Supported secure certificate issuance, renewal, revocation, and key management processes for enterprise systems and applications.

Performed enterprise-wide certificate inventory assessments to identify expiring, unmanaged, duplicate, and non-compliant certificates across servers, applications, network devices, and cloud platforms.

Wells Fargo

Distributed Control System Technician, (Contract) 04/2017 – 09/2017

Performed Change Admin, and CAB Operations for the Brokerage Data warehouse.

Resolved outages supporting the UNIX environment. Administered support of 80+ Laptops and Desktops within Wells Fargo Testing Labs.

Worked with Ilxa bandwidth for consistent bandwidth allocation of device services. Implemented Data refresh of Wells Fargo BDW (Brokerage Data Warehouse) and ODS (Operational Data Store) Production Environments. Setup configuration of test lab PC’s and Laptop’s, including network printers. Coordinated test plans for internal engineers w/ Ilxa Bandwidth manager, F5 Server

Failover, Test ID configuration, DMAN Tool – Deployment management, Troubleshooting of Chrome, IE, and Firefox, PKI/Certificate Authority server validation.

Coordinated activities for Testers, Management, Engineers, Developers, and Consultants; activities also included but was not limited to special project testing events.

Developed and implemented automated scripts to streamline data refresh processes in the Brokerage Data Warehouse and Operational Data Store, improving efficiency and reducing manual intervention. Configured Test lab PCs and coordinated plans using DMAN and PKI validations, enhancing testing efficiency.

KPMG

System Administrator/ Tech Support Representative 12/2015 – 01/2017

Executed excellent Technical Support and great customer service.

Dedicated System Administrator Tech Support Analyst with proven expertise in maintaining robust network and wireless infrastructure.

Streamlined end-user administration and device management leveraging deep proficiency in Active Directory, PDA devices, MobileIron, VOIP systems, and other MDM tools. Enhanced organizational security posture through diligent password revocation, token validation, and compliance auditing processes.

Strong focus on minimizing downtime, improving user experience, and supporting secure, reliable IT operations in a fast-paced professional services environment. Strengthened organizational security posture through rigorous access control, timely password revocation, token validation, multi-factor authentication enforcement, and comprehensive compliance auditing.

Expert-level management of end-user administration, device lifecycle, and mobility solutions using Active Directory, MobileIron, PDA devices, VOIP systems, and other leading MDM platforms. Achieved and sustained 98.5% system uptime through forward thinking troubleshooting and resolution of complex issues involving DHCP, DNS, VPN, RSA Authentication, VMware access, MDM (Mobile Device Management), Ironworks, and related technologies.

Hudson’s Bay Company/Lord and Taylor

Jr. ITIL Compliance Control Administrator, 04/2013 – 09/2015

Managed IT governance, risk, and compliance initiatives in alignment with ITIL principles and enterprise security standards.

Guided project managers through all phases of the Software Development Life Cycle (SDLC) to ensure adherence to HBC security policies, leveraging tools such as Tripwire Enterprise, Qualys, QRadar, and VMware Enterprise. Collaborated closely with IT Staffing, third-party vendors, and consultants to manage asset compliance, contributing to successful audits and certifications including PCI-DSS, HIPAA, ISO, SOX, DLP/EPO, and Sarbanes-Oxley (SOX).

Conducted Threat Analysis, Risk Assessments for POS terminals and DMZ environments, utilizing Qualys to conduct vulnerability audits and ensuring industry compliance. Audited new/existing systems and third-party vendors against PCI-DSS and HIPAA controls, developed remediation plans based on identified risks, and maintained application lifecycle for Tripwire monitoring infrastructure—including node deployment, user access management, and ongoing system integrity—ensuring comprehensive and consistent enterprise security coverage.

Managed identity and access lifecycle processes, including Active Directory user provisioning/de-provisioning, role/group/policy updates, Exchange and VPN account administration, and privileged access control via CyberArk for secure mainframe (HBC/LT Blue Zone) connectivity. Provided Tier 2–3 support to minimize access-related incidents.

Coordinated System Development Life Cycle (SDLC) and validate compliance to HBC security policies, directives and standards. Collaboratively worked with IT professionals, suppliers and third-party service vendors to ensure the protection of the Company’s information assets. I performed the task of PCI/PII DSS, Disaster Recovery. Drafted and implemented information security policies and standards in accordance with HBC’s goals and objectives and in compliance with regulatory and statutory requirements including PCI-DSS, HIPAA, SOX, NIST, etc.

As part of the system requirements definition phase of IT projects, conduced high level threat risk assessments to support the HBC\LT DMZ Environments, related to POS Point of Sale terminals), Ccas data tokenization, and security components of every project. As part of the implementation phase of IT projects, coordinated or conducted vulnerability scans to ensure that the systems deployed were secure before going live.

CORE TECHNICAL SKILLS

Monitoring and APM

Splunk (ITSI, Enterprise Monitoring, Dashboards, Alerting, Correlation Searches, Log Analysis),

Dynatrace, AppDynamics, Grafana, SolarWinds, Nagios, Distributed System Monitoring, APM, Tripwire

Infrastructure and Systems

Microsoft Azure, AWS, VMware (vCenter, ESXi), Virtualization,

Linux/Unix, Windows Server, Infrastructure Automation, Systems Engineering

Networking and Security

Cisco Networking, F5 Load Balancing, DNS, VPN, OKTA, CyberArk, Tripwire, Identity & Access

Management (IAM), Network Performance Monitoring, Security Operations

Scripting and Methodologies

Bash/Shell Scripting, Python, PowerShell, Process Optimization, Scrum, Agile

Scripting and Methodologies

Bash/Shell Scripting, Python, PowerShell, Automation, Process Optimization, Scrum, Agile

Service Management and Tools

ServiceNow (ITSM, CMDB, Incident, Change, Problem), Jira, Salesforce (CRM integrations, reporting workflows),

ITIL Framework, SCADA, Sterling B2B, SharePoint, vSphere

Operational Management

Incident Management (P1/P2), Problem Management, Root Cause Analysis (RCA), MTTR Reduction, SLO/SLI

Monitoring, High Availability, Production Support, On-Call Operations, Reliability Engineering, Performance

Optimization, Google Cloud Management, Avamar, BlueCat

Data and Analytics

SQL, Oracle, Power BI, Data Analysis, Operational Reporting, Metrics & Trend Analysis

EDUCATION

North Tech High School - Fundamentals of Architecture / Computer Aided Drafting - 1996

Meramec Community College – Architecture / Interior Design / AutoCAD - 1998

Advanced Career Training – Certificate in Information Technology / Diploma of Completion - 2001

CERTIFICATION

Certificate Microsoft Azure Administrator – 07/15/2026

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