Summary
Overview
Work History
Education
Skills
Certification
Security Clearance
Timeline
Generic

Seth P. Osei

Frederick,USA

Summary

Professional with extensive experience in IT operations, specializing in secure system management and user issue resolution. Proven ability to optimize performance in diverse technical environments, with expertise in Active Directory management and hardware/software installation. Holds Security+ certification and possesses skills in incident response and cybersecurity support within federal and military contexts. Actively pursuing AAS in Cybersecurity, with additional certifications in AZ-900 and AZ-800, and training in Windows Server and SQL.

Overview

6
6
years of professional experience
1
1
Certification

Work History

Computer Info. Systems Analyst III

Amentum
Arifjan, Kuwait
01.2023 - Current
  • Oversee Storage and Stock Control operations within SSA, leveraging GCSS-Army and VSAT systems to manage real-time data flow, streamline logistics, and ensure accurate inventory tracking.
  • Lead technical training initiatives, enhancing team proficiency in system navigation, troubleshooting connectivity issues, and optimizing automated supply chain workflows.
  • Managed 15,000+ CL IX items weekly across Warehouses AG6, AG7, AG8, and AHM, supporting millions in mission-critical stock.
  • Maintained inventory control via cyclic surveillance and causative research, reducing discrepancies and boosting audit readiness.
  • Enhanced logistics reporting and decision-making by generating accurate SITREP and OPS Admin reports.
  • Ensured compliance with SSA SOPs and Performance Work Statements from Amentum and the U.S. Government.
  • Improved storage and traceability by applying the best practices in warehousing and inventory management.
  • Supported mission readiness through high-volume, error-free supply operations in a fast-paced military logistics environment.

Information Technology Specialist, (25B)

US Army National Guard
Sykesville, USA
01.2020 - Current
  • Maintain secure system access by managing user accounts, group policies, and permissions through Active Directory in alignment with cybersecurity protocols.
  • Resolve critical IT issues efficiently by providing technical support to hundreds of military personnel, ensuring uninterrupted daily operations and mission readiness.
  • Equipped with significant understanding on leveraging ServiceNow.
  • Reduced downtime by installing and configuring hardware, peripherals, and software to optimize workstation performance.
  • Improved network reliability via routine maintenance and timely infrastructure updates, ensuring consistent connectivity.
  • Streamlined troubleshooting by identifying and resolving recurring software and hardware issues, boosting productivity.
  • Enabled rapid onboarding by provisioning accounts, hardware, and system access with minimal delays.
  • Strengthened IT compliance by regularly applying security patches and updates, minimizing system vulnerabilities.
  • Supported collaboration by maintaining seamless communication tools and system integration for department initiatives.

Field Service Engineer – Contractor

Dynanet Corporation
Washington, USA
01.2022 - 01.2023
  • Deployed and configured workstations for new hires and existing staff, including imaging, patching via SCCM, and performing scheduled hardware refreshes.
  • Resolved service tickets through ServiceNow and Remedy, prioritized by severity and addressed in line with organizational SOPs.
  • Diagnosed and repaired technical issues, involving PCs, mobile devices, printers, and peripherals for end users and VIP personnel.
  • Advanced from Tier I to Tier III within three months of hire through demonstrated technical proficiency and accelerated performance.
  • Monitored system events, analyzed security logs, and responded to incidents in coordination with Tier III teams, simulating SOC responsibilities within a federal environment.
  • Authored Tier II documentation and knowledge base articles on Windows 10 and Microsoft Office, improving first-call resolution by 35%.
  • Administered Active Directory, Outlook, and Exchange objects, including shared mailboxes, distribution lists, and calendars.
  • Supported NIPRNet and SIPRNet environments for DoD and federal users, ensuring network integrity and access compliance.
  • Maintained and troubleshot telecommunications platforms, including MS Teams, Cisco VoIP, Call Manager, DSN, and encryption devices.
  • Addressed system incidents during 24/7 on-call rotations alongside application, network, server, middleware, and database teams.
  • Assessed helpdesk requests for accuracy and urgency, ensuring timely resolution for local and remote users.

Database Developer/Administrator (Intern)

Data Pluzz Academy
Columbus, USA
01.2021 - 01.2022
  • Led comprehensive analytics operations, including ETL processes, database administration, and reporting, ensuring accurate and integrated data environments.
  • Enabled faster project execution through the development of well-structured database designs supporting agile planning and delivery.
  • Enhanced data reliability by developing refined data models to support planning and decision-making.
  • Improved data performance and access by evaluating, designing, and optimizing robust databases and custom applications.
  • Streamlined analysis workflows by designing efficient data structures tailored for reporting and analytics.
  • Increased reporting accuracy by consolidating disparate sources and standardizing queries into a central warehouse.
  • Optimized cross-platform usage by building scalable databases and integrating primary sources to reduce redundancies.
  • Boosted system integrity by applying best practices in database optimization for high performance and minimal downtime.

Education

Associate of Applied Science - Cybersecurity

Frederick Community College
Frederick, MD
05.2025

Intermediate Certificate - Windows Server Hybrid Associate (AZ-800)

Koenig Solutions
Online
01.2024

Diploma - Computer and Information Systems (AIT I)

Fort Gordon
Atlanta, Georgia
01.2021

SQL Database Administration -

Data Pluzz Academy
Columbus, Ohio
01.2020

Skills

  • Technical Support & Troubleshooting
  • Network Infrastructure & Connectivity
  • Active Directory & User Management
  • Cybersecurity Principles & Practices
  • Windows Server Hybrid Administration (AZ-800)
  • Azure Cloud Fundamentals (AZ-900)
  • Software Installation & Configuration
  • SQL Database Development
  • System Maintenance & Performance Optimization
  • Incident Tracking & Resolution
  • Inventory & Asset Management (GCSS-Army/TEWLS)
  • Technical Documentation & Reporting

Certification

  • Comp-Tia Security+
  • Microsoft Certified Solutions Associate (MCSA): Azure Fundamentals (AZ-900)
  • Microsoft Certified: Windows Server Hybrid Administrator Associate (AZ-800)

Security Clearance

Secret Security Clearance

Timeline

Computer Info. Systems Analyst III

Amentum
01.2023 - Current

Field Service Engineer – Contractor

Dynanet Corporation
01.2022 - 01.2023

Database Developer/Administrator (Intern)

Data Pluzz Academy
01.2021 - 01.2022

Information Technology Specialist, (25B)

US Army National Guard
01.2020 - Current

Associate of Applied Science - Cybersecurity

Frederick Community College

Intermediate Certificate - Windows Server Hybrid Associate (AZ-800)

Koenig Solutions

Diploma - Computer and Information Systems (AIT I)

Fort Gordon

SQL Database Administration -

Data Pluzz Academy

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