Team Lead - Network and Firewall Administration
About the role
The Team Lead - Network and Firewall Administration at Cargills Bank is responsible for leading the Firewall and WAF team, providing technical guidance, performance reviews, and managing escalations and on-call rosters. The role involves administrating and maintaining enterprise-grade firewall platforms, optimizing firewall rulesets, implementing web application security controls, and responding to major network security incidents. Additional duties include overseeing system performance, ensuring compliance with internal and regulatory standards, reviewing infrastructure changes, partnering with third-party vendors, and identifying opportunities for optimization and automation. Candidates must have at least 4 years of hands-on experience in network device and firewall administration, with supervisory experience, relevant certifications, and a bachelor's degree in IT or equivalent.
Must have
- Possess minimum 4+ years of hands-on experience in Network Device and Firewall Administration, with at least 2 years in a technical lead or supervisory role.
- Expertise in configuring, troubleshooting, and administering Palo Alto, Check Point, Fortinet Next-Generation Firewalls and Cisco, HP, Aruba, Huawei switching layers infrastructure.
- Proven hands-on experience with enterprise WAF, including custom rule creation and API protection.
- Active professional-level certifications such as PCNSE (Palo Alto), CCSA (Check Point), NSE 4 (Fortinet), or CCNA / CCNP.
- Good understanding of core networking protocols (TCP/IP, BGP, OSPF, VPN/IPsec, VLANs) and security architecture in public cloud environments.
- Bachelor’s degree in IT or an equivalent professional qualification.
- Strong leadership, problem-solving, and decision-making skills, with excellent communication abilities to articulate technical security concepts to non-technical stakeholders.
Technologies
- API Security
- BGP
- CCNA
- CCNP
- Cisco
- DevOps
- Firewall
- Firmware
- Fortinet
- IPsec
- ISO 27001
- Network Security
- OSPF
- OWASP
- Palo Alto Networks
- PCI DSS
- TCP/IP
- VLAN
- VPN
- WAF
Highlights
Applicants must submit their CVs to career@cargillsbank.com with the job title in the subject line by 23rd November 2026. The role is based in Colombo, Sri Lanka. Professional certifications such as PCNSE, CCSA, NSE 4, or CCNA/CCNP are required.
Also posted as
Jobs across Sri Lanka, watched for you.Colombo, Sri Lanka