CDS is seeking a hands-on Security Engineer to support customer implementation and technical escalation requirements. The role needs working-level capability across network security technologies, with exposure to Cisco Secure Firewall/FTD, Cisco ISE, Palo Alto Networks and Fortinet platforms.
You will deliver configuration, troubleshooting, incident resolution, change implementation, documentation and customer support for enterprise network security environments.
Key responsibilities
- Perform firewall policy, NAT, VPN and security-profile changes on Cisco Secure Firewall/FTD, Palo Alto and Fortinet platforms.
- Support Cisco ISE deployments and operations, including AAA, RADIUS, TACACS+, authentication, authorisation, guest access and network-access policy troubleshooting.
- Troubleshoot site-to-site VPN, remote-access VPN, dual-ISP failover and firewall-policy issues.
- Configure and troubleshoot firewall rules and security policies on Cisco Meraki MX, where applicable.
- Assist with firewall migration, upgrade, implementation and security-hardening activities.
- Analyse security incidents using device logs, monitoring tools, packet captures and diagnostic commands, and provide clear technical findings and corrective actions.
- Execute approved changes in line with CDS change-management processes, and prepare implementation plans, test plans and rollback procedures.
- Coordinate with customer IT teams, ISPs, OEM TAC, internal L2/L3 engineers and the network team on incident resolution and escalations.
- Prepare and maintain HLD/LLD inputs, network and security diagrams, configuration backups, SOPs, MOPs, reports and RCA documentation.
- Support service reviews with security-posture, incident and improvement inputs.
- Take part in rotational on-call support and planned maintenance activities, as required.
Firewall and network security
- Cisco Secure Firewall / Firepower Threat Defense (FTD) and FMC exposure.
- Palo Alto firewall policy, NAT, zones, security profiles and VPN fundamentals.
- FortiGate firewall policy, NAT, IPsec VPN, SSL VPN, SD-WAN and UTM profile fundamentals.
- Firewall-rule review, security segmentation, access control and basic IPS/IDS concepts.
- Cisco ISE fundamentals: RADIUS/TACACS+, 802.1X, guest access, profiling and policy troubleshooting.
Foundational networking
- Working knowledge of TCP/IP, VLANs, routing fundamentals, NAT, DNS and DHCP as they relate to security configuration and troubleshooting.
- Familiarity with Cisco Catalyst switching and Cisco Meraki MX / SD-WAN security environments is an advantage.
Qualifications and certifications
- Bachelor’s degree or diploma: In Computer Science, IT, Electronics, Telecommunications or a related field
- CCNA: Mandatory
- CCNP Security: Preferred
- Palo Alto certification: Preferred
- Fortinet FCA or FCP, Network Security: Preferred
- Cisco Certified Specialist, Network Security Firepower: An advantage, or equivalent FTD knowledge
- Cisco ISE certification: An advantage, or practical ISE deployment and support experience
How you will work
- Strong troubleshooting and problem-solving skills.
- Clear verbal and written communication with customers.
- Owns assigned incidents, changes and deliverables through to closure.
- Good documentation discipline and adherence to security and change-control processes.
- Works independently and collaborates with senior engineers, project managers, OEMs and customer teams.
- Willing to work in a managed-services environment and take part in on-call support when required.
How you will be measured
- Incident-resolution quality and SLA compliance.
- Successful completion of approved security changes and implementation activities.
- First-time-right configuration and fewer repeat security incidents.
- Quality and timeliness of customer updates, technical reports and documentation.
- RCA contribution, recurring-incident reduction and security-improvement recommendations.
- Customer satisfaction and adherence to CDS technical and operational standards.