Summary
Overview
Work History
Education
Skills
Certification
Section name
Timeline
Generic

Isaiah Walker

Centreville,VA

Summary

Dependable Systems Adminastrator with robust background in managing IT systems and network infrastructure. Successfully implemented security protocols and maintained high system uptime. Demonstrated expertise in problem-solving and technical support, ensuring seamless operations.

Overview

12
12
years of professional experience
1
1
Certification

Work History

Microsoft Software Deployment Engineer

Microsoft
01.2025 - Current
  • Used PowerShell to deploy software updates and new versions of web/app clients
  • Performed functional testing on web and app clients
  • Troubleshot software issues to support customer needs quickly
  • Collaborated with senior engineers to ensure reliable app and web performance
  • Attended team meetings to plan, troubleshoot, and improve performance
  • Maintained and customized software through testing and version deployments
  • Enhanced system stability by rigorously testing new software releases before deployment.
  • Automated certain tasks by creating scripts to be used by team members
  • Evaluated new tools and technologies that could improve the efficiency of the deployment process, staying current on industry trends.

System Administrator | Hardware Technician | Help Desk

ManTech
01.2022 - 01.2025
  • Manage and maintain functionality and efficiency of systems across multiple OS platforms such as Linux, Windows
  • Utilize ServiceNow and Jira for ticket management and trouble ticket tracking and resolving.
  • Administer accounts, access, and security permissions using Active Directory.
  • Troubleshoot IC workstations, printers, and VoIP phones.
  • Support IT security policy implementation and provide end-user training.
  • Rebuild any workstations that were exposed to malware and or the incorrect network
  • Maintain system documentation and implement backup recovery of system files.
  • Analyze system performance and recommend hardware/software upgrades and implement those upgrades.
  • Use command prompt to ping devices no longer on the network to troubleshoot and put them back online.
  • Troubleshoot various software used by end users.
  • Maintained a high level of customer satisfaction by providing rapid, accurate response to inquiries and concerns regarding system performance or functionality.
  • Supported the implementation of new technologies by providing technical expertise and training to colleagues as needed.
  • Diagnosed and resolved complex technical issues through in-depth analysis, facilitating uninterrupted business operations.
  • Strategically implemented new computer projects and hardware installations to improve workflow for 50-100K employees.

Information Technology Specialist (25B)

U.S Army
01.2014 - 07.2024
  • Helped develop new OPSEC SOP's and implement security policy updates.
  • Trained unit on safe social media cybersecurity practices for service members.
  • Operated and maintained communications systems.
  • Ensured data security, implementing encryption measures and access controls for sensitive information.
  • Streamlined IT processes for increased efficiency through the development of automated solutions.
  • Directed soldier response during COVID-19, Capitol riots, and public protests.
  • Troubleshoot legacy systems and install new monitors, phones and PC's.
  • Controlled and managed server room, wireless network, server infrastructure, audiovisual equipment, laptops and video conferencing equipment.
  • Deployed effective cybersecurity measures including firewalls, antivirus software, intrusion detection systems and periodic vulnerability assessments to protect company''s digital assets.
  • Reduced network downtime with proactive monitoring and troubleshooting.
  • Trained end-users on new software applications, increasing productivity across departments.
  • Oversaw asset management process for all technology resources, ensuring optimal use of available equipment.

Escort | Access Control Specialist

CenCore
02.2021 - 08.2023
  • Monitored uncleared individuals and protected classified material.
  • Ensured physical security compliance and incident documentation.
  • Verified security credentials and enforced controlled access procedures.
  • Assisted with visitor control processes during facility inspections.
  • Conducted shift handovers with thorough reporting and situational updates.
  • Supported audits by maintaining accurate access control records.

Data Center Engineer

Amazon Web Services (AWS)
01.2021 - 01.2022
  • Analyzed 30-40 JIRA tickets for root-cause diagnostics and resolution.
  • Installed and maintained IT hardware (routers, switches, UPS, etc.).
  • Assisted with rack-level troubleshooting, SLA compliance, and change management.
  • Created and managed AD user groups and access permissions.
  • Conducted preventative maintenance and resolved on-site system alerts.
  • Updated documentation on troubleshooting procedures and system configurations.
  • Optimized storage infrastructure by consolidating redundant systems, resulting in reduced overhead costs.
  • Contributed to the design of three new data centers by providing input on layout optimization, power distribution strategies, and cooling solutions.
  • Maintained a high level of availability for mission-critical applications through proactive monitoring of system health indicators.

Project Manager

PAE
03.2019 - 01.2021
  • Directed projects under tight deadlines and security constraints.
  • Communicated progress and obstacles to leadership and clients.
  • Aligned resources with objectives for secure and efficient project delivery.
  • Conducted risk assessments and mitigated project delays.
  • Tracked project milestones and developed performance dashboards.
  • Facilitated cross-functional team collaboration across departments.
  • Planned, designed, and scheduled phases for large projects.
  • Met project deadlines without sacrificing build quality or workplace safety.
  • Successfully managed multiple projects simultaneously by prioritizing tasks according to urgency, resource availability, and alignment with organizational goals.

Lead Security Specialist

Amentum
06.2019 - 01.2021
  • Conducted 8 property safety inspections and incident response daily.
  • Managed access control and reported security incidents.
  • Oversaw daily shift operations and provided team leadership.
  • Developed emergency response plans and conducted drills.
  • Supported client security briefings and visitor management.
  • Analyzed building traffic patterns to optimize patrol schedules.
  • Detected potential threats proactively through regular monitoring of surveillance systems and analyzing incident reports.
  • Collaborated with local law enforcement agencies to establish strong relationships, increasing the effectiveness of joint responses to incidents.
  • Performed regular audits of existing security measures, identifying areas for improvement and recommending changes accordingly.
  • Enhanced overall security by conducting thorough risk assessments and implementing effective security measures.

Data Destruction Technician

Capital Asset Protection
02.2016 - 06.2019
  • Scanned, wiped, and destroyed classified media.
  • Trained 15 junior technicians and maintained destruction logs.
  • Coordinated pickup/drop-off with client locations.
  • Ensured environmental and disposal compliance.
  • Prepared monthly destruction activity reports.
  • Maintained chain-of-custody throughout destruction lifecycle.
  • Trained 15 new technicians on standard operating procedures, ensuring consistency across the team.
  • Performed troubleshooting and diagnosis on malfunctioning equipment.
  • Increased customer satisfaction 46% with prompt and knowledgeable support for various technical issues.
  • Conducted root cause analyses for recurring technical issues, minimizing future disruptions.

Education

B.S. - Computer Engineering

George Mason University
4400 University Drive
07.2029

Skills

  • Active Directory Jira SharePoint ServiceNow Powershell
  • Windows OS Network Management Data Destruction VMware
  • Project Management IT Security Policies Hardware Support Command Prompt
  • IT asset management
  • Remote desktop support
  • Operating system configuration
  • IT documentation
  • Hardware troubleshooting
  • IT risk assessment
  • Incident response
  • System administration
  • Desktop support
  • Technical troubleshooting

Certification

  • Security+
  • ComptiaA+
  • Network+
  • Linux+ (In Progress)

Section name

Clearance: TS/SCI with Full Scope Polygraph

Timeline

Microsoft Software Deployment Engineer

Microsoft
01.2025 - Current

System Administrator | Hardware Technician | Help Desk

ManTech
01.2022 - 01.2025

Escort | Access Control Specialist

CenCore
02.2021 - 08.2023

Data Center Engineer

Amazon Web Services (AWS)
01.2021 - 01.2022

Lead Security Specialist

Amentum
06.2019 - 01.2021

Project Manager

PAE
03.2019 - 01.2021

Data Destruction Technician

Capital Asset Protection
02.2016 - 06.2019

Information Technology Specialist (25B)

U.S Army
01.2014 - 07.2024

B.S. - Computer Engineering

George Mason University

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