System Administrator II

Job Summary

SEACORP is seeking a knowledgeable and motivated System Administrator to join the IT team. The ideal candidate will be responsible for the installation, configuration, maintenance, and support of the organization’s server, network, and infrastructure environment. This role requires strong troubleshooting skills, a security-focused mindset, and the ability to provide exceptional technical support to end users while ensuring the reliability, performance, and security of enterprise systems.

Job Responsibilities

Infrastructure Administration: Install, configure, maintain, and upgrade physical and virtual servers. Deploy, configure, and support network hardware including switches, routers, wireless access points, firewalls, and VPN appliances. Manage Windows Server environments, Active Directory, DNS, DHCP, Group Policy, and file services.

Monitor system availability and perform routine maintenance to ensure optimal performance. Network Administration: Configure and maintain LAN, WAN, wireless, and VPN connectivity. Monitor network traffic, bandwidth utilization, and system performance. Diagnose and resolve network connectivity, latency, and performance issues.

Document network configurations, procedures, and infrastructure changes. Security Compliance: Implement and maintain security policies, access controls, and user permissions. Configure and manage firewalls, VPNs, endpoint protection, and security monitoring tools. Perform security audits, vulnerability assessments, and remediation activities.

Ensure systems are updated with security patches and firmware upgrades. Technical Support: Provide Tier II/III technical support for hardware, software, and network-related issues. Troubleshoot server, workstation, application, and connectivity problems. Assist users with Microsoft 365, Windows, printers, mobile devices, and enterprise applications.

Collaborate with vendors and internal teams to resolve complex technical issues. Backup Disaster Recovery: Monitor backup systems and verify successful completion of scheduled backups. Support disaster recovery planning and business continuity initiatives. Participate in system recovery testing and documentation. Documentation Continuous Improvement: Maintain accurate documentation for systems, network diagrams, configurations, and procedures.

Recommend infrastructure improvements to enhance performance, security, and reliability. Participate in IT projects including migrations, upgrades, and new technology implementations.