Security Administrator

Qualifications

Bachelor’s degree in computer science or engineering, or an acceptable equivalent combination of education and experience

Minimum of 6 years’ experience in administration and troubleshooting of network and system security. This includes demonstrated knowledge of network intrusion detection systems, end-point security monitoring, and firewall systems (e.g., Cisco ASM, iptables, P-filter, or similar)

Experience installing, maintaining and monitoring core network servers such as DNS, and DHCP servers.

Demonstrated experience in security incident response and mitigation.

Advanced experience and understanding with UNIX and Linux systems (e.g., Debian, Ubuntu, OpenBSD).

Demonstrated experience with scripting languages (e.g., Perl, Shell scripting, Python, or Ruby). Specifically for system administration purposes (e.g., automating encrypted backup, auditing systems, and testing performance to predict hardware failure).

Familiarity with at least one switch operating system (e.g., Juniper, Cisco IOS, HPE Comware, etc.)

Experience with TCP / IP networking and analyzing packet capture data and diagnosing connection‑related network issues

Experience and knowledge working with database servers (e.g., MySQL, MariaDB, PostgreSQL) especially installation, configuration and monitoring.

Demonstrated experience collaborating on IT purchases by providing recommendations, cost estimates and tracking expenses

Demonstrated experience in interpreting, implementing, and enforcing information security policies.

Experience working with version and source control systems (e.g., git, subversion)

Experience and knowledge related to automating common systems tasks, configuration management, or staging software using automation software (e.g., Ansible, Chef, Puppet, etc.)

Experience in website administration (e.g., Apache, Nginx) – specifically troubleshooting TLS issues, rotating TLS certificates, and reviewing weblogs for security.

Excellent communication skills with the ability to communicate and document computer security best practices, and effective interpersonal skills to develop good working relationships among staff, clients, and peers

Familiarity and comfort with all major client operating systems (e.g., macOS, Windows, Ubuntu) and mobile systems (e.g., Android, iOS)

Familiarity with mobile device management systems (e.g., Miradore, JAMF, VMWare Workspace ONE, etc.)

Demonstrated knowledge and experience working in virtualized environments (e.g., VMWare v‑Center, Xen, or VirtualBox)

Highly engaged and aware of information security developments and best practices

Highly knowledgeable about SSH and its advanced use cases such as reverse SSH tunneling, key‑agent troubleshooting, X forwarding, and related security considerations.

Location : Toronto, Ontario, Canada

Employment type : Contract

Job posted : 1 month ago

#J-18808-Ljbffr