Senior IT Infrastructure & Security Specialist

Server, Virtualization & Cloud Management:

- Administer enterprise servers (Windows, Linux), virtualization platforms (VMWare, Hyper-V), and cloud

resources (AWS, Azure, CMC).

- Monitor performance, apply patches/updates, and ensure high availability.

- Implement backup and disaster recovery solutions to guarantee business continuity.

- Support cloud migration projects and drive cost optimization initiatives.

Network & Security Administration:

- Design, configure, and manage LAN, WAN, Wi-Fi, VPN, firewalls, IDS/IPS, and switching infrastructure.

- Perform advanced troubleshooting and optimize network performance and uptime.

- Deploy and enforce advanced security measures, including segmentation and intrusion prevention.

Identity & Access Management:

- Administer Active Directory, DNS, DHCP, and Group Policies.

- Manage user accounts, access rights, and authentication services.

- Ensure domain controller health, redundancy, and secure integration with enterprise systems.

IT Security & Compliance:

- Develop, implement, and enforce IT security policies and standards.

- Conduct vulnerability assessments, patching, penetration testing, and regular security audits.

- Ensure compliance with industry regulations (ISO, NIST, internal security frameworks).

IT Infrastructure Projects & Leadership

- Plan, coordinate, and execute IT infrastructure projects, including migrations and upgrades.

- Collaborate with cross-functional teams and external vendors to ensure project success.

- Provide technical leadership and mentorship to junior IT staff.

- Establish best practices, system documentation, and operational standards.

Monitoring & Technical Support:

- Use monitoring tools (e.g., Zabbix, PRTG, SolarWinds) to proactively detect and resolve infrastructure

issues.

- Analyze logs and alerts to ensure timely response to incidents.

- Provide tier 2/3 escalation support to minimize downtime and maintain service availability

Education:

Bachelor's degree in Computer Science, Computer Engineering, Telecommunications, or a related field

Experience:

At least 5 years of experience in IT infratrusture, operations.

Work skills:

- Proficient in Windows Server, Linux, virtualization (VMware/Hyper-V).

- Experience in IT systems (AD, DNS, DHCP, RADIUS, Office 365, Ivanti, Azure AD).

- Strong knowledge of networking (TCP/IP, DNS, VLAN, VPN, routing, firewall).

- Experience with cloud platforms (AWS, Azure, CMC) and hybrid integration.

- Scripting and automation skills (PowerShell, Bash, Python).

- Familiarity with IT monitoring tools (Zabbix, PRTG, SolarWinds) and security tools (IDS/IPS, SIEM).

- Knowledge of IT security frameworks and compliance standards (ISO 27001, NIST, GDPR).

Soft skills:

- Problem-solving, analytical thinking, and risk-based decision-making.

- Strong communication, collaboration, and project management skills

- Ability to work under pressure and manage multiple priorities.

- Proactive and responsible working attitude