Derick Callwood Jr.

System Engineer at Caelum Research Corporation
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Contact Information
us****@****om
(386) 825-5501
Location
Columbia, Maryland, United States, US
Languages
  • English -

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Credentials

  • Microsoft Certified: Azure Fundamentals (AZ-900)
    Microsoft
    Dec, 2020
    - Nov, 2024
  • ITIL Foundations V4
    AXELOS Global Best Practice
    May, 2020
    - Nov, 2024
  • MCSA: Windows Server 2012
    Microsoft
    Feb, 2019
    - Nov, 2024
  • LPIC-1 (Linux Administrator)
    Linux Professional Institute
    Jun, 2018
    - Nov, 2024
  • CompTIA Network+ ce
    CompTIA
    Sep, 2017
    - Nov, 2024
  • CompTIA Security+ ce
    CompTIA
    Oct, 2017
    - Nov, 2024
  • Microsoft Certified: Azure Solutions Architect Expert (AZ-305)
    Microsoft
    Oct, 2022
    - Nov, 2024
  • Microsoft Certified: Azure Administrator Associate
    Microsoft
    Sep, 2022
    - Nov, 2024
  • Certified Ethical Hacker (CEH)
    EC-Council
    May, 2020
    - Nov, 2024
  • AWS Certified SysOps Administrator Associate
    Amazon Web Services
    Oct, 2018
    - Nov, 2024
  • AWS Certified Solutions Architect Associate
    Amazon Web Services
    Sep, 2018
    - Nov, 2024

Experience

  • Caelum Research Corporation
    • United States
    • IT Services and IT Consulting
    • 1 - 100 Employee
    • System Engineer
      • Apr 2020 - Present

      Manages and administers an on-premises System Center Configuration Manager (SCCM) flat hierarchy architecture. Consisting of a single, stand-alone primary site supplemented by 19 deployment points. Implements and manages Azure cloud infrastructure, including virtual machines, storage, networking, and Azure Active Directory, ensuring optimal performance and security. Monitors server performance, forecast system demands, recommend upgrades, expansions, and re-configurations using Azure monitoring tools, Configuration Manager, and Azure cost management and billing tools. Regularly performs Azure cloud backups and disaster recovery operations, while ensuring the robustness and redundancy of data storage. Actively manages and maintains Azure Resource Manager, Virtual Networks, and Azure Compute instances (Web, Worker, and API apps). Executes Azure DevOps CI/CD for infrastructure and software deployment while adhering to modern infrastructure as code practices. Support, follow, and demonstrate compliance with NOAA policies and procedures, ensuring DISA / CIS compliance for various operating systems, appliances, and applications. Maintains technical documentation on security tools and procedures, perform vulnerability scans, and provide mitigation of vulnerabilities identified within Azure Security Center. Drives the adoption of Azure platform services such as Azure Functions, Logic Apps, Azure Data Services, and other PaaS services. Maintains and creates technical documentation on security tools and procedures such as the Security Content Automation Protocol (SCAP) Compliance Checker and related Security Technical Implementation Guides (STIGs) within collaborative applications such as SharePoint. Provides mitigation of vulnerabilities identified within Security Center, prioritizing based on severity and time. Show less

  • Maximus
    • United States
    • Government Administration
    • 700 & Above Employee
    • Senior System Administrator
      • Apr 2019 - Apr 2020

      Oversaw and managed server infrastructure to support the National Oceanic and Atmospheric Administration’s (NOAA) Geostationary Satellite (GOES) mission, focusing on the availability, integrity, and reliability of the servers. Coordinated and executed the distribution and deployment of critical security patches across all managed systems, leveraging tools such as Windows Server Update Services (WSUS), Microsoft System Center Configuration Manager (SCCM), and VMware vSphere. Provided high-level configuration, management, and troubleshooting for Tripwire Enterprise Solutions software, enhancing system integrity and security. Implemented Microsoft SQL Server configurations for back-end databases, ensuring optimal database performance and security. Performed Tier-3 Incident, Request, Change and Problem Management tasks via the Enterprise Configuration Management System (ECMT), ensuring all configuration requests, work requests, issues, and resolutions were efficiently tracked and addressed. Developed, maintained, and upgraded automated scripts using PowerShell to streamline operational tasks and enhance system automation. Managed and led diverse enterprise IT projects from conceptualization to implementation, including the integration of a Security Information and Event Management (SIEM) architecture within the existing environment. Administered and managed Active Directory components, ensuring streamlined access control and user management across the enterprise LAN/WAN. Oversaw the management of Domain Name Services (DNS), Directory Services, and Dynamic Host Configuration Protocol (DHCP), ensuring stable and reliable network services. Assisted the security team in collecting evidence and artifacts for the annual Security Controls Assessment, aiding in maintaining compliance with security standards. Show less

  • ActioNet, Inc.
    • United States
    • IT Services and IT Consulting
    • 300 - 400 Employee
    • Desktop Support Tier II
      • Aug 2017 - Apr 2019

      Served as the lead technician for NOAA’s federal migration involving over 700 end-users. Successfully executed domain migrations and device upgrades from Windows 7 to Windows 10, which included data backup, Active Directory account configurations, and system imaging. Consistently adhered to contractual service level agreements (SLAs) and other Key Performance Indicators (KPIs) to ensure optimal response and resolution times, while maintaining elevated levels of customer satisfaction. Managed the ServiceNow ticket queue, coordinating resolutions for tier I, II, and III technical staff, and facilitating clear communication among the team. Provided comprehensive support for iOS and Android mobile devices utilizing MaaS360, and troubleshooted a wide range of connectivity and networking issues across various applications. Oversaw the configuration of site VLAN assignments and implemented Windows OS imaging using Ghost and SCCM, demonstrating proficiency in diverse system configurations. Conducted proactive patch management activities for vulnerable systems using BigFix, and managed hard disk encryption for laptops utilizing McAfee Enterprise to maintain robust system security. Performed regular vulnerability assessments using Nessus, highlighting potential security risks, and ensuring timely resolutions. Automated the employee on-boarding process and new hire laptop deployments for our tier II team, creating efficient PowerShell scripts to streamline operations. Skillfully troubleshooted various applications such as Cisco AnyConnect VPN, Citrix Receiver, WebEx, Adobe, Microsoft Office Suite, and Putty, demonstrating broad technical aptitude. Displayed an in-depth understanding of TCP/IP, DHCP, SMTP, and LDAP networking protocols, applying this knowledge to ensure the stability of the network infrastructure. Show less

Education

  • Western Governors University
    Master of Science - MS, Cyber Security and Information Assurance
    2019 - 2020
  • Western Governors University
    Bachelor of Science - BS, Cloud and Systems Administration
    2016 - 2019
  • Tyner Academy
    High School Diploma, Computer Information Technology
    2004 - 2008

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