Senior Network & Security Engineer
Job Description
How to read:
The job description below should be read in conjunction with the purpose of the job family.
Job Title: Assistant Manager â Job Family
<Insert Job Family definition here>
Job Purpose:
This role involves executing projects efficiently, ensuring deadlines and quality standards are met. The role holder ensures seamless execution of operations in assigned function by completion of their tasks. They assist their supervisors in managerial tasks. While this role is largely an individual contributor role, in some cases they may lead a small team. The role holder should be able to collaborate with other teams and proactively identify and resolve issues in their span of work.
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Job Duties and Responsibilities:
- Operate independently under general supervision, making decisions based on defined guidelines and practices.
- Work with teams across functions to deliver on specific project deliverables or achieve outcomes in their span of work
- Work with external stakeholders (ex: vendors) to deliver in their area of work,
- Create plans and drive their execution to ensure deliverables are met in their span of work
- Assist supervisor in completion of managerial tasks & responsibilities.
- Oversee operations to guarantee adherence to policies, procedures, and internal controls.
- Identify opportunities for process improvements and contribute ideas for enhancing efficiency.
- Address and resolve issues within a, sub process, or constituent group.
- Mentor team members, in case the role holder is managing a team.
- Exhibit full professional competency in their area of work - using acquired job skills, policies, and procedures to complete moderately difficult assignments/projects/tasks
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- Implement, configure, and manage Enterprise firewalls (Palo Alto, Check Point, Cisco Firepower etc) in line with security hardening and project requirements.
- Administer LAN, WAN, VPN, MPLS, and P2P connectivity for enterprise and CDC environments.
- Design and implement security infrastructure for Client Capability Centre (CCC) and new enterprise projects with appropriate security and redundancy.
- Troubleshoot network and security incidents within project scope and ensure timely resolution.
- Implement Client‑to‑Site and Site‑to‑Site VPNs (firewall‑based).
- Coordinate with ISPs, clients, and onsite/offshore teams for link provisioning and issue resolution.
- Review and validate network/security designs, providing technical recommendations.
- Work with Zscaler, IDS/IPS, and NMS tools.
- Execute changes in compliance with ISO 20000, ISO 27001, and ITIL processes.
Handle multiple projects simultaneously and participate in Severity‑0 incidents and major outages until closure
- 8+ years of hands‑on experience in Network & Security domain.
- Strong expertise in firewall technologies, enterprise networking, and security operations.
- Experience working in global enterprise environments.
- Security domain certifications (preferred).