Jaskaran Singh
IT system administrator
Berlin,BE
Summary
Experienced IT system administrator specializing in maintaining, configuring, and ensuring the reliable operation of multi-user computer systems, particularly servers. Skilled in optimizing system uptime, performance, resource management, and security to meet user needs within budget constraints. Dedicated professional committed to delivering seamless IT solutions for enhanced operational efficiency. Driven Systems Administrator with 4 years of experience in software implementation and maintenance, managing complex infrastructures and data center operations. Expert in solutions-oriented business application problem-solving and dedicated to providing best-in-class service, skilled at troubleshooting, communication, and collaboration. Organized and dependable candidate successful at managing multiple priorities with a positive attitude. Willingness to take on added responsibilities to meet team goals.
Overview
5
5
years of professional experience
4
4
Certifications
4
4
Languages
Work History
IT Systems Administrator (Freelancer)
Tech Domain
01.2025 - Current
- Coordinated data backup strategies, safeguarding critical business information from loss or damage due to unforeseen events.
- Reduced downtime by proactively identifying potential issues and resolving them before they escalated.
- Improved user experience by troubleshooting application issues and collaborating with developers on necessary updates or enhancements.
- Conducted training sessions for staff on new technology implementations, increasing overall adoption rates and productivity levels.
- Evaluated emerging technologies for potential integration into existing systems architecture that could offer additional benefits or improvements.
- Managed onboarding and offboarding of employees.
IT SYSTEM ADMINISTRATOR
Nu3 GmbH
12.2023 - 07.2025
- Installed important security and functionality patches to maintain optimal protections against intrusion and system reliability.
- Established effective communication channels between IT support staff and end-users, leading to improved issue resolution times overall.
- Reduced downtime by proactively identifying and resolving potential issues through thorough system monitoring.
- Simplified troubleshooting processes by creating detailed documentation for system configurations, procedures, and best practices.
- Worked with users to determine areas of technology in need of improved usability.
- Enabled smooth transitions during hardware and software upgrades, minimizing disruptions to endusers.
- Improved security measures by conducting vulnerability assessments and applying necessary patches.
- Collaborated with IT team to develop and implement comprehensive disaster recovery plans, ensuring minimal data loss during critical incidents.
- Managed onboarding and offboarding of employees.
- Completed reports detailing network and systems performance and downtime issues.
- Oversaw file system and storage upgrades while safeguarding data integrity and redundancy.
- Diagnosed and resolved complex technical issues through in-depth analysis, facilitating uninterrupted business operations.
- Maintained a high level of customer satisfaction by providing rapid, accurate response to inquiries and concerns regarding system performance or functionality.
- Optimized software performance through regular updates, patches, and maintenance tasks to ensure seamless user experience.
- Conducted regular audits of hardware inventory to ensure accurate tracking of assets throughout their lifecycle.
- Enabled remote work capabilities, setting up secure Virtual Private Network (VPN) access for all employees.
- Monitored server performance using advanced diagnostic tools leading to proactive identification of potential bottlenecks before impacting operations negatively.
IT SYSTEM ADMINISTRATOR
Icongroup GmbH
01.2022 - 11.2023
- Collaborated with IT team to develop and implement comprehensive disaster recovery plans, ensuring minimal data loss during critical incidents.
- Managed user access rights to maintain a high level of information security while ensuring appropriate levels of accessibility for authorized personnel.
- Managed onboarding and offboarding of employees.
- Completed reports detailing network and systems performance and downtime issues.
- Diagnosed and resolved complex technical issues through in-depth analysis, facilitating uninterrupted business operations.
- Enhanced system performance by optimizing server configurations and implementing regular updates.
- Contributed to cost-saving initiatives by analyzing resource usage trends and recommending infrastructure adjustments accordingly.
- Provisioned new software and hardware for use, following established security policies.
- Oversaw file system and storage upgrades while safeguarding data integrity and redundancy.
- Empowered users with training sessions on new software applications, enhancing productivity across departments.
- Installed important security and functionality patches to maintain optimal protections against intrusion and system reliability.
- Designed and evaluated WAN and LAN connectivity technologies.
- Devised scripts and automation tools to improve system efficiency.
- Identified and resolved network congestion issues and bottlenecks.
- Facilitated team collaboration, setting up and maintaining project management and communication tools.
- Supported the implementation of new technologies by providing technical expertise and training to colleagues as needed.
- Safeguarded sensitive information with robust data encryption techniques and secure password management practices.
- Streamlined network operations, deploying robust firewall configurations to enhance system security.
WORKING STUDENT IT SUPPORT /ADMIN
Clariness GmbH
02.2021 - 10.2021
- Enhanced classroom experience by utilizing multimedia presentations and interactive learning tools.
- Developed strong relationships with parents and guardians through consistent communication about student progress and goals.
- Collaborated with colleagues to share best practices and improve overall teaching effectiveness in the department.
- Mentored struggling students through personalized tutoring sessions, resulting in improved academic performance.
- Completed rigorous readings as directed to support unit learning goals.
- Expanded curriculum offerings by developing new courses based on student interests and industry trends.
- Organized extracurricular activities to broaden students' exposure to new skills, experiences, and career paths.
- Created and managed project plans, timelines and budgets.
- Supported creation of detailed, technical financial models to value potential acquisition targets.
- Helped meet changing demands by recommending improvements to business systems or procedures.
- Utilized professor office hours to clarify topics needing elaboration.
- Optimized lab setup procedures, reducing preparation time for experiments.
Education
Master Of Science - Cyber Security
SRH Houschle Berlin
03.2022
Skills
Real-time system monitoring
Remote system access
Network troubleshooting
Software installation
Hardware and software installation
Network administration
Windows administration
Server maintenance
Desktop troubleshooting
Virtualization technologies
System updates
User management
Vendor coordination
Incident management
Virtualization
Device configuration
Email administration
Helpdesk operations
Hardware provision management
Mobile device management
Offboarding and onboarding
Cisco router and switch security
Wireless networking
VPN configuration
Hardware installation
System troubleshooting
Log analysis
Remote Access solutions
Patch management
Server management
Configuration management
Certification
Microsoft 365 (Administration)
Timeline
IT Systems Administrator (Freelancer)
Tech Domain
01.2025 - Current
IT SYSTEM ADMINISTRATOR
Nu3 GmbH
12.2023 - 07.2025
IT SYSTEM ADMINISTRATOR
Icongroup GmbH
01.2022 - 11.2023
WORKING STUDENT IT SUPPORT /ADMIN
Clariness GmbH
02.2021 - 10.2021
Master Of Science - Cyber Security
SRH Houschle Berlin