Summary
Overview
Work History
Education
Skills
Certification
Personal Information
References
Languages
Timeline
Generic

DENNIS DWIRA BRIMPONG

Accra

Summary

Experienced system administrator with over 5 years experience in the Defence and Intelligence industry, managing email systems, Active directory system, Sophos firewall administration, Sophos intercept x endpoint and threat hunting. As an aspiring and selfmotivated professional, I am committed to continuous learning and acquiring new skills to excel in completing targeted tasks.

Overview

11
11
years of professional experience
1
1
Certification

Work History

System Administrator | Cyber Security Analysis | Network Administrator

Department of Defence intelligence | Ghana Armed Forces | Ministry of Defence
Accra
03.2019 - Current

Highly skilled and experienced IT professional with a proven track record of success in managing and securing IT infrastructure. Expertise in access control systems, email server administration, user management, network security, and user support. Strong analytical and problem-solving skills with a focus on maintaining system uptime and ensuring data security.

Technical Skills

  • Access Control: FingerTec ingress Application
  • Email Server Administration: Groupwise Mail Server, Microsoft 365
  • Active Directory: User and Group Administration, Group Policy Management
  • Server Management: Windows Servers, Backup and Recovery, File & Print Servers
  • Network Security: Network Administration, Sophos Firewall, Intrusion Detection & Prevention
  • Security Management: Incident Response, Security Policy Enforcement, User Access Control
  • Troubleshooting: Network, Security, User Support

Experience

IT Support Specialist/Administrator ) |

  • Managed access control systems using FingerTec ingress Application.
  • Administered Groupwise Mail Server and migrated users to Microsoft 365.
  • Created and managed Active Directory user and group accounts.
  • Implemented and enforced group policies for system configuration.
  • Performed routine server maintenance, including backups and recovery.
  • Managed file and print servers, ensuring user access and availability.
  • Diagnosed and resolved hardware, software, and network issues.
  • Conducted security audits and ensured compliance with company policies.
  • Managed network infrastructure and configured Sophos firewall.
  • Responded to security incidents, investigated root causes, and implemented corrective actions.
  • Created and documented training materials for user support.
  • Provided technical support to internal users, resolving network, security, and application issues.

National Service Personnel

UNIVERSITY OF GHANA COMPUTING SYSTEM | Academic Computing Unit (ACU) | University of Ghana
Accra
09.2016 - 08.2017

Network & Telephony:

  • Successfully configured and deployed IP phones at Balme Library, ensuring seamless communication within the facility.

Software & Applications:

  • Provided targeted training sessions on Microsoft 365 for select staff members, empowering them to utilize the suite's functionalities effectively.
  • Facilitated training on the University of Ghana intranet portal, enhancing staff's knowledge and access to internal resources.

Technical Support:

  • Demonstrated strong problem-solving skills by effectively troubleshooting various IT-related issues whenever needed.

Teamwork & Culture:

  • Championed a positive and collaborative work environment by organizing engaging team activities that fostered camaraderie and a pleasant workplace culture.

Quality Assurance:

  • Maintained high standards through meticulous review of completed work, ensuring consistency, quality, and adherence to established protocols.

Internship

University of Ghana Balme library (Research Commons) | University of Ghana
Accra
05.2014 - 09.2014

IT Support Specialist

  • (Company Name) - (City, State) - (Dates of Employment)
  • Provided technical support to students, faculty, and staff, resolving hardware and software problems efficiently.
  • Assisted students with research by troubleshooting software applications and databases.
  • Conducted training sessions for graduate students on the use of specific library software, enhancing their research capabilities.
  • Managed file and print servers, ensuring smooth operation and accessibility for all users.

Key Skills

  • Hardware and Software Troubleshooting: Extensive experience diagnosing and resolving a wide range of hardware and software issues.
  • User Support: Excellent communication and interpersonal skills to effectively assist users with varying technical knowledge.
  • Training and Development: Proven ability to develop and deliver engaging training sessions for students and staff.
  • Server Management: Skilled in managing file and print servers, ensuring data integrity and system uptime.
  • Research Support: Proficient in supporting student research needs by troubleshooting research software and databases.

Internship

PAMICOR LIMITED
Accra
05.2013 - 09.2013
  • Assisted researchers with IT needs, ensuring smooth operation of research programs.
  • Collaborated with the IT manager to develop and maintain the company website, optimizing user experience and information accessibility.
  • Managed the company's network connectivity, guaranteeing reliable and secure communication channels.
  • Provided on-site technical support during field work activities.
  • Designed and delivered training sessions to educate employees on the use of operational software, enhancing user proficiency.

Education

Bachelor of Science in Computer science with statistics -

University of Ghana

West African Senior Secondary Certificate Examination, WASSCE -

Saint Thomas Aquinas Senior High School

Basic Education Certificate Examination, BECE -

All Saints Academy

Skills

Technical Skills

  • Network Security: Sophos firewall management, Web Security, Firewall configuration
  • Systems Management: Windows Server Management, Microsoft 365 administration, Active Directory, Server improvements
  • Troubleshooting & Support: Hardware troubleshooting, Incident Management, System monitoring, Technical Support, Software Installation, Diagnosing issues
  • Additional Skills: Storage Management, Microsoft Office Suite

Soft Skills

  • Critical thinking
  • Detailed oriented
  • Teamwork and collaboration
  • Team asset management
  • Confidentiality and discretion
  • Strong communication Skills (written and oral)
  • Problem solving capability
  • Working under intense pressure
  • Emergency preparedness and response
  • Excellent communication, interpersonal, and problem-solving skills
  • Ability to work independently and as part of a team
  • Strong organizational and time management skills

Certification

  • IBM Mobile Computing, 2015
  • Bachelor of Science in Computer Science with Statistics, University of Ghana
  • Basic Officers Intelligence Course 1/19, 03/11/19 - 04/12/19, Department of Defence intelligence, Ghana
  • Intelligence Analyst Course (IAC), 08/05/19 - 08/16/19, Joint Military Intelligence Training Center- Defense Intelligence Agency
  • Network Security Management, 07/23/20 - 07/29/20, Acdro Cybersecurity Academy
  • Cyber security intelligence course 1-2021, 05/19/21 - 05/28/21, Inveteck Global
  • Enterprise Network Workshop, 06/04/21
  • Cyber investigations and Digital forensics, 07/12/21 - 07/16/21, Kofi Annan International Peacekeeping Training Center - E-Crime Bureau
  • Documentation and Tracing of illicit SALW, 08/15/21 - 08/26/21, Conflict Armament Research London
  • NSCAM 2022 Technical Training on Cyber Security, 2022, Huawei Global Training Center
  • SOC Essentials for Enterprise Security, 03/25/24 - 03/27/24, Cyber Security and Investigation Bureau - E-Crime Bureau

Personal Information

  • Date of Birth: 03/16/93
  • Gender: Male

References

  • Mr Kwaku Marfo, SENIOR ICT ASSISTANT - UGCS, KMarfo@ug.edu.gh, +233277114750
  • Mr Charles bah-lano, Network Administrator, Department of Defence Intelligence. Ghana Armed Force -Burma Camp, C-BAHLANO@GAFDI.MIL.GH, +233244055666

Languages

English
First Language

Timeline

System Administrator | Cyber Security Analysis | Network Administrator

Department of Defence intelligence | Ghana Armed Forces | Ministry of Defence
03.2019 - Current

National Service Personnel

UNIVERSITY OF GHANA COMPUTING SYSTEM | Academic Computing Unit (ACU) | University of Ghana
09.2016 - 08.2017

Internship

University of Ghana Balme library (Research Commons) | University of Ghana
05.2014 - 09.2014

Internship

PAMICOR LIMITED
05.2013 - 09.2013

Bachelor of Science in Computer science with statistics -

University of Ghana

West African Senior Secondary Certificate Examination, WASSCE -

Saint Thomas Aquinas Senior High School

Basic Education Certificate Examination, BECE -

All Saints Academy
DENNIS DWIRA BRIMPONG