Senior Systems Administrator

Placements24; United States; Hybrid; USD 74,000 - 114,000; Full time

Benefits offered by this job

Hybrid work model

Health insurance

Job summary

Placements24 in London (East) is seeking a proactive Senior Systems Administrator to manage and maintain our IT infrastructure. You will ensure secure, high-performing servers, networks, and related systems, implementing configurations, troubleshooting, and support across the estate.

The role emphasizes collaboration with IT colleagues, system documentation, and robust backup/disaster recovery. Candidates should have 5+ years in the field, strong OS and virtualization experience, and a proactive

Qualifications

• Bachelor's degree or equivalent in Computer Science, Information Technology, or a related field.
• 5+ years of professional experience in systems administration.
• Strong knowledge of server operating systems (Windows Server, Linux) and virtualization technologies (VMware, Hyper‑V).
• Experience with network administration, including TCP/IP, DNS, DHCP, and firewall configuration.
• Proficiency in scripting languages (PowerShell, Bash) for automation is highly desirable.
• Experience with cloud platforms (AWS, Azure) is a plus.

Responsibilities

• Install, configure, maintain, and upgrade server operating systems and related software.
• Manage and monitor network infrastructure, including routers, switches, firewalls, and VPNs.
• Implement and maintain system security measures, including user access controls, antivirus, and patch management.
• Perform regular system backups and ensure data integrity and availability through robust recovery plans.
• Troubleshoot and resolve hardware, software, and network issues, providing timely technical support.
• Develop and maintain system documentation, including network diagrams and configuration details.
• Collaborate with other IT personnel on infrastructure projects and system enhancements.

Skills

Windows Server

Linux

VMware/Hyper‑V

Networking

PowerShell/Bash scripting

Education

Bachelor's degree in CS/IT

Tools

VMware

Hyper‑V

Job description

About the Role

Our client is seeking a proactive and experienced Senior Systems Administrator to manage and maintain their IT infrastructure in East London . This role is crucial for ensuring the smooth operation, security, and performance of servers, networks, and related systems. You will be responsible for system implementation, configuration, troubleshooting, and support. This is an excellent opportunity for a seasoned systems administrator to contribute to a stable organization by maintaining its vital IT infrastructure and supporting its growing business needs.

Key Responsibilities

• Install, configure, maintain, and upgrade server operating systems (Windows Server, Linux) and related software.
• Manage and monitor network infrastructure, including routers, switches, firewalls, and VPNs.
• Implement and maintain system security measures, including user access controls, antivirus, and patch management.
• Perform regular system backups and ensure data integrity and availability through robust recovery plans.
• Troubleshoot and resolve hardware, software, and network issues, providing timely technical support.
• Develop and maintain system documentation, including network diagrams and configuration details.
• Collaborate with other IT personnel on infrastructure projects and system enhancements.

Requirements

• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.
• 5+ years of professional experience in systems administration.
• Strong knowledge of server operating systems (Windows Server, Linux) and virtualization technologies (VMware, Hyper‑V).
• Experience with network administration, including TCP/IP, DNS, DHCP, and firewall configuration.
• Proficiency in scripting languages (e.g., PowerShell, Bash) for automation is highly desirable.
• Experience with cloud platforms (AWS, Azure) is a plus.
• Excellent problem-solving skills and the ability to work effectively in a team environment.

Benefits

• Competitive salary and annual performance review.
• Comprehensive health insurance and retirement plan.
• Opportunities for ongoing professional development and training.
• Hybrid work model offering flexibility.
• Generous paid time off and company holidays.
• A stable and supportive IT environment in East London .