Security Administrator

Summary

OVA.Work is seeking a Security Administrator to manage, monitor, and maintain the organization's security infrastructure. The role will implement security controls, manage access, monitor security events, respond to incidents, support vulnerability and compliance activities, and collaborate with technical teams to protect systems against cyber threats.

Responsibilities

• Configure, administer, and maintain security systems and tools
• Monitor security alerts, logs, and events for suspicious activity
• Manage user accounts, permissions, roles, and access controls
• Implement and maintain firewall, VPN, endpoint, email, and network-security controls
• Perform security configuration reviews and hardening of servers, endpoints, and network devices
• Support vulnerability scanning, patch management, and remediation activities
• Investigate security incidents and assist with incident response and recovery
• Manage antivirus, EDR/XDR, IDS/IPS, SIEM, and other security technologies
• Implement and maintain security policies, procedures, and standards
• Conduct periodic access reviews and support identity and access management (IAM)
• Assist with security audits, compliance assessments, and risk-management activities
• Maintain security documentation, reports, configurations, and incident records
• Work with IT, networking, cloud, and application teams to resolve security issues
• Stay current with emerging threats, vulnerabilities, and cybersecurity best practices

Skills

• Strong understanding of cybersecurity principles and security administration
• Knowledge of Windows and Linux operating systems
• Good understanding of TCP/IP, DNS, DHCP, HTTP/HTTPS, VPNs, and network security
• Hands-on experience with firewalls, endpoint security, antivirus, and access-control technologies
• Familiarity with SIEM platforms such as Microsoft Sentinel, Splunk, or QRadar
• Understanding of IAM, MFA, privileged access, and least-privilege concepts
• Knowledge of vulnerability management and security patching
• Basic understanding of cloud security across AWS, Azure, or Google Cloud
• Strong troubleshooting, analytical, and problem-solving skills
• Good documentation and communication skills
• Experience with Active Directory and Microsoft Entra ID
• Knowledge of PowerShell or Python scripting
• Familiarity with vulnerability tools such as Nessus, Qualys, or Rapid7
• Understanding of security frameworks such as NIST, ISO 27001, and CIS Controls
• Experience with security automation and SOAR platforms
• Knowledge of security incident investigation and threat intelligence
• CompTIA Security+
• CompTIA CySA+
• Certified Ethical Hacker (CEH)
• Certified Information Systems Security Professional (CISSP)
• Microsoft Security certifications
• Cisco security certifications
• Bachelor's or Master's degree in Cybersecurity, Computer Science, Information Technology, or a related field preferred

Qualifications

Must Haves

• Strong understanding of cybersecurity principles and security administration
• Knowledge of Windows and Linux operating systems
• Good understanding of TCP/IP, DNS, DHCP, HTTP/HTTPS, VPNs, and network security
• Hands-on experience with firewalls, endpoint security, antivirus, and access-control technologies
• Familiarity with SIEM platforms such as Microsoft Sentinel, Splunk, or QRadar
• Understanding of IAM, MFA, privileged access, and least-privilege concepts
• Knowledge of vulnerability management and security patching
• Basic understanding of cloud security across AWS, Azure, or Google Cloud
• Strong troubleshooting, analytical, and problem-solving skills
• Good documentation and communication skills

Nice to Haves

• Experience with Active Directory and Microsoft Entra ID
• Knowledge of PowerShell or Python scripting
• Familiarity with vulnerability tools such as Nessus, Qualys, or Rapid7
• Understanding of security frameworks such as NIST, ISO 27001, and CIS Controls
• Experience with security automation and SOAR platforms
• Knowledge of security incident investigation and threat intelligence
• CompTIA Security+
• CompTIA CySA+
• Certified Ethical Hacker (CEH)
• Certified Information Systems Security Professional (CISSP)
• Microsoft Security certifications
• Cisco security certifications
• Bachelor's or Master's degree in Cybersecurity, Computer Science, Information Technology, or a related field preferred

Benefits

• Full-time employment
• Remote and onsite work model