About This Role
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
- 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
About the Company
United-ITS provides corporate IT solutions.