Linux Systems Administrator

Systems Administrator

We are seeking an experienced, detail-oriented Systems Administrator to manage, maintain, and optimize IT systems and infrastructure. This role is responsible for ensuring the stability, security, and performance of servers, networks, and applications while providing technical support to end users.

The ideal candidate will have a strong background in systems administration, network management, troubleshooting, and IT security best practices.

Key Responsibilities

• Install, configure, maintain, and support servers, operating systems, and applications to ensure reliability and availability.
• Monitor system performance, troubleshoot technical issues, and implement solutions to improve efficiency and uptime.
• Perform routine system maintenance, upgrades, and performance optimization.

Network and Infrastructure Management

• Manage and maintain network infrastructure, including firewalls, switches, routers, and VPNs.
• Ensure secure and reliable connectivity for on-premises and remote users.
• Troubleshoot network connectivity and infrastructure issues.

Technical Support and User Management

• Provide technical support to end users, resolving hardware, software, and network-related issues.
• Manage user accounts, permissions, and access controls in accordance with established security policies.
• Support Active Directory, Group Policy, and domain administration.

Backup and Disaster Recovery

• Implement, maintain, and monitor data backup and disaster recovery solutions.
• Conduct regular testing of recovery procedures to ensure data integrity and business continuity.

Security and Compliance

• Apply security patches, updates, and configurations across servers, applications, and devices.
• Monitor and respond to potential security threats and incidents.
• Ensure systems comply with organizational security policies and applicable industry standards.

Automation and Process Improvement

• Develop and maintain scripts to automate routine administrative tasks.
• Identify and implement opportunities to improve system performance, operational efficiency, and IT workflows.

Documentation and Reporting

• Maintain accurate documentation of system configurations, procedures, and troubleshooting processes.
• Prepare reports on system health, performance, utilization, and security.

Required Qualifications

• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent professional experience.
• 6–10 years of relevant systems administration experience.
• Proficiency in administering operating systems, including Windows Server, Linux, and/or macOS.
• Experience with virtualization technologies such as VMware and Hyper-V.
• Strong understanding of networking concepts and protocols, including DNS, DHCP, and TCP/IP.
• Experience with Active Directory, Group Policy, and domain management.
• Strong analytical, problem-solving, and troubleshooting skills.
• Active Secret security clearance.
• Ability to travel 25%–50% as required.

Preferred Qualifications

• Relevant industry certifications, such as:
• CompTIA Security+
• Microsoft Certified: Azure Administrator
• Red Hat Certified System Administrator (RHCSA)
• Experience with cloud platforms, including AWS, Microsoft Azure, or Google Cloud Platform (GCP).
• Proficiency with scripting and automation tools such as PowerShell, Python, or Bash.
• Familiarity with ITIL best practices for incident, problem, and change management.