This role involves configuring, supporting, and administering network infrastructure, firewalls, and load balancers in a complex, multi-tenant environment. The administrator will also be responsible for monitoring network performance, troubleshooting issues, and implementing security controls. The position suits a network professional with strong Cisco and firewall experience and a security-first mindset.
Responsibilities
Configure and support Cisco network infrastructure, including Nexus and Catalyst switches and routers
Configure, support and administer firewalls, including Cisco Firepower and the F5 BIG-IP AFM module
Configure, support and administer F5 load balancers
Configure, support and administer Cisco Meraki solutions (switching, wireless and security)
Configure, support and administer site-to-site VPN tunnels based on IPsec technologies
Monitor WAN usage and performance, and troubleshoot network issues
Provide first and second-level support, including troubleshooting and coordination with vendors
Review logs and alerts, and perform corrective actions
Monitor network performance and ensure optimal operation
Maintain and update technical documentation and configuration templates
Apply a risk-based, security-first mindset when implementing and supporting network services in a complex, multi-tenant environment
Participate in network security implementation projects, review vulnerability and risk reports, and implement controls that protect service availability, integrity and confidentiality
Collaborate with IT, business relationship and cybersecurity teams to translate requirements into secure technical solutions, written proposals and cost estimates when required
Implement approved technical policies and secure configuration standards on enterprise network security systems
Automate recurring operational tasks using scripting and automation platforms where appropriate
Stay up to date with emerging technologies, the cyber threat landscape and network security best practices, and share knowledge with the team
Provide on-call/standby support and ad hoc support to related network or cybersecurity teams when required
Requirements
A minimum of five (5) years of relevant experience in network administration
Strong hands-on experience with Cisco technologies, including switching and routing
Strong hands-on experience with Cisco Meraki solutions
Proven experience working with F5 load balancers
Strong experience with firewall technologies (Cisco Firepower and F5 AFM)
Solid understanding of TCP/IP networking and protocols
Experience with routing protocols such as OSPF and BGP
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Good understanding of networking in cloud environments, including AWS networking concepts (VPC, routing, security groups, connectivity)
Knowledge of enterprise LAN, data centre and WAN technologies, including SD-WAN, DIA, MPLS, DNS, authentication services and network monitoring
Good understanding of network security concepts and best practices
Strong knowledge of cybersecurity risk management processes and the ability to assess threat relevance, impact and risk
Experience working in ITIL-based environments
Proven troubleshooting and operational support experience in complex environments
Strong analytical and systematic problem-solving skills
Strong teamwork skills and ability to collaborate effectively within a team
Excellent communication skills, both verbal and written
Ability to work closely with customers with a professional, service-oriented attitude
Ability to write documentation & reports
Proactive, solution-oriented approach to problem solving
Creativity/ability to find innovative solutions
Willingness to learn and adapt on the job
Conflict management & cooperation
Ability to manage ambiguity and pressure, using feedback as an opportunity for development
Action-oriented, with a strong commitment to delivering quality results
Nice to have:
Experience with VPN technologies (IPsec)
Experience with network monitoring and performance analysis tools
Familiarity with multi-vendor environments
Benefits
Cisco certifications (CCNA, CCNP or equivalent), Cisco Meraki and Cisco Firepower/Security certifications
AWS certifications (e.g., Solutions Architect, Advanced Networking or similar)
ITIL Foundation
CompTIA Network+ or equivalent network management certification
Cloud security, CISSP, GIAC or equivalent cybersecurity certification
Zero Trust architecture training or certification
Important Details
Vacancies: 2 positions
Teleworking Option: Yes, up to 3 days per week
On-call requirements: May be required on an exceptional basis
