Enoch Jallah
Accra
Summary
Dynamic Systems Administrator with 5+ years of experience in infrastructure management, automation, cybersecurity, and remote support. Proven track record in managing, enhancing, and securing office infrastructure, leading IT projects, and providing helpdesk support. Recognized for exceptional problem-solving skills, innovative thinking, and commitment to improving operational efficiency and IT infrastructure. Thrives in collaborative environments and dedicated to empowering teams with top-notch tech support and robust security measures.
Overview
7
7
years of professional experience
4
4
Certification
Work History
Systems Administrator, EMEA Region
Chrysos Corporation, Australia
10.2024 - Current
- Sole Systems Administrator for the EMEA region, managing end-user computing technologies, hardware, software, and networking, achieving a 50% improvement in regional IT service delivery
- Resolved escalated help desk tickets promptly, providing high-quality support to end users experiencing technical issues.
- Assisted in the onboarding process of new employees by setting up workstations, provisioning accounts, and providing initial IT training as necessary.
- Delivered Tier 2 and Tier 3 support for problem identification, diagnosis and issue resolution.
- Tested software remotely and onsite for server sets to maintain operational readiness.
- Implemented passwordless authentication for all admins using Azure Conditional Access policies, resulting in a significant reduction in unauthorized access attempts and improved overall admin security posture.
- Successfully deployed the latest version of Cortex XDR agents to over 300 user endpoints and 300 servers, reducing vulnerability exposure by over 50% and enhancing threat detection capabilities.
- Procured and configured a Starlink satellite for a client in Ghana, boosting their connectivity and ensuring seamless access to company resources, increasing productivity by 30%.
- Partnered with vendors to procure laptops, phones, and other IT accessories, reducing equipment procurement timelines by 60% and enabling faster employee onboarding.
- Developed and maintained IT documentation and user guides, decreasing onboarding time for new staff, thereby improving overall operational efficiency.
- Deployed advanced security policies and tools to endpoints, achieving a 60% reduction in malware incidents across the EMEA region.
- Reduced ticket resolution times by 50% through streamlined processes and better documentation, significantly enhancing employee satisfaction.
- Negotiated with vendors to secure cost-effective IT equipment and service contracts, achieving a 20% reduction in operational IT costs.
Cyber Security Engineer
Ecobank Transnational Incorporated
04.2024 - 10.2024
- Conducted regular audits of IT infrastructure to ensure adherence to established cybersecurity policies and best practices.
- Maintained up-to-date knowledge of industry trends and threat landscape through ongoing research and professional development activities.
- Evaluated emerging security technologies, recommending appropriate tools to enhance organizational defense capabilities.
- Ensured compliance with relevant regulations such as GDPR and HIPAA by implementing comprehensive privacy safeguards.
- Developed and executed comprehensive cybersecurity strategies aligned with business objectives, ensuring proactive protection against evolving cyber threats.
- Led the deployment of Secure Access Service Edge (SASE) solutions, enabling secure and seamless remote access for 2000+ employees across multiple locations
- Managed Azure environments, including Azure AD, Azure Backup, and Azure Automation, to optimize performance, cost-effectiveness, and scalability.
- Implemented Breach and Attack Simulation tools, identifying and mitigating vulnerabilities proactively, resulting in a 30% reduction in potential security incidents
- Managed company Bring Your Own Device program, onboarding employee devices and verifying absence of inherent security threats.
- Drove adoption of security information and event management (SIEM) systems for real-time security monitoring.
Lead Systems Administrator
CAlBank PLC
08.2018 - 03.2024
- Managed vendor relationships for hardware procurement, software licensing renewals, and ongoing support contracts to optimize costs while maintaining quality service levels.
- Conducted regular capacity planning exercises to ensure appropriate resource allocation based on current usage trends and anticipated future needs.
- Maintained up-to-date knowledge of industry trends, emerging technologies, and best practices in system administration by attending conferences, webinars, and online forums.
- Assisted in the creation of IT policies and procedures that provided guidance on various aspects of technology use within the organization.
- Managed Azure Active Directory services and automated patch deployment processes, ensuring timely and secure updates across 1000+ workstations and servers.
- Implemented disaster recovery plans and conducted regular tabletop exercises, achieving a 99.99% recovery time objective (RTO) in simulated scenarios.
- Implemented a secure Bring Your Own Device (BYOD) policy to support flexible work while maintaining security compliance.
- Deployed Windows Autopatch and SCCM for efficient patch management, reducing critical vulnerabilities by 50% and enhancing system reliability.
- Configured Azure Update Manager to automate patching of both windows and linux servers, enhancing bank’s security posture
- Administered Linux and Windows infrastructure for over 1,000 endpoints
- Implemented Web Application Firewall (WAF) policies to protect applications from web-based attacks, resulting in a 25% reduction in security incidents.
IT Support Officer
CalBank PLC
09.2017 - 07.2018
- Streamlined IT processes for increased efficiency and reduced downtime.
- Trained end-users on best practices for system usage, increasing their productivity and confidence in utilizing technology tools.
- Diagnosed complex technical problems, saving time and resources by providing effective solutions quickly.
- Employed remote support tools effectively for efficient troubleshooting of offsite issues.
- Implemented robust security measures using ESET antivirus across all computers and servers, achieving minimal vulnerability exposure and ensuring data integrity.
- Managed mobile devices (iPads, tablets, mobile phones) for managers, enforcing compliance with bank policies and enhancing mobile device security protocols.
- Conducted regular maintenance on IT assets across bank branches and departments, reducing breakdown rates by 20% and enhancing operational efficiency.
- Setup computers, printers, and networks in 3 new branches, ensuring timely deployment and functionality to support operational readiness.
- Provided comprehensive documentation and troubleshooting guides for technical processes, supporting help desk staff and reducing resolution times for recurring issues by 30%.
- Configured and deployed over 60 new computers, ensuring adherence to bank policies, proper software installation, and network connectivity setup.
- Implemented Windows Deployment Service to streamline the setup of newly acquired computers, reducing setup time by 40% and improving operational efficiency.
Education
Bachelor of Science - Computer Science
Kwame Nkrumah University of Science And Technology
Kumasi, Ghana06-2017
Skills
- Active Directory management
- Group policy management
- Device endpoint management
- Windows server configuration and maintenance
- Red Hat Satellite administration
- Azure cloud services
- Azure Active Directory management
- Disaster recovery solutions with Azure Backup
- Azure automation expertise
- AWS solutions knowledge
- Proficient in Google Cloud Platform
- Expertise in Cortex XDR
- Microsoft Defender expertise
- Firewall security configuration
- VPN management
- Experience with intrusion detection systems
- Incident detection and response
- Experience with Windows Autopatch deployment
- System Center Configuration Manager
- Azure management tool
- Attack simulation expertise
- Security operations management
- Documentation development
- Regulatory adherence
Languages
English
French
Certification
- (ISC)2 Certified in Cybersecurity
- Microsoft 365 Certified: Administrator Expert
- NSE 1 & NSE 2 Network Security Associate
- Oracle Certified Foundations Associate
Accomplishments
- Led the deployment of Secure Access Service Edge (SASE) solutions, enabling secure and seamless remote access for 2000+ employees across multiple locations
- Led the implementation of Breach and Attack Simulation tools, identifying and mitigating vulnerabilities proactively, resulting in a 30% reduction in potential security incidents
- Implemented passwordless authentication for all admins using Azure Conditional Access policies, resulting in a significant reduction in unauthorized access attempts and improved overall admin security posture.
- Deployed Windows Autopatch and System Center Configuration Manager for efficient patch management, reducing critical vulnerabilities by 50% and enhancing system reliability.
- Configured Azure Update Manager to automate patching of both windows and linux servers, enhancing bank's security posture.
- Implemented a secure Bring Your Own Device (BYOD) policy to support flexible work while maintaining security compliance.
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Timeline
Systems Administrator, EMEA Region
Chrysos Corporation, Australia
10.2024 - Current
Cyber Security Engineer
Ecobank Transnational Incorporated
04.2024 - 10.2024
Lead Systems Administrator
CAlBank PLC
08.2018 - 03.2024
IT Support Officer
CalBank PLC
09.2017 - 07.2018
Bachelor of Science - Computer Science
Kwame Nkrumah University of Science And Technology
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