Network Security Engineer

Job Description:

5+ years of hands-on experience with ELK Stack (Elasticsearch, Logstash, Kibana) in large-scale, multi-client environments.

Proven expertise onboarding and normalizing logs from a wide range of infrastructure devices (network, storage, server).

Deep understanding of log formats (syslog, SNMP, vendor-specific), device management protocols, and log forwarding best practices.

Experience designing and optimizing Logstash pipelines for high-throughput environments.

Strong scripting skills for automation (Shell, Python).

Familiarity with ITSM integration (ServiceNow), including automated alert-to-incident workflows.

Proficient in version control using Git.

Experience with security and compliance requirements for infrastructure log management.

Technical Skills

Infrastructure Devices: Network (Cisco, Juniper, etc.), Storage (EMC, NetApp, HPE), Servers (Linux, Windows, VMware)

Log Management: Logstash pipeline design, syslog/SNMP integration, log parsing and enrichment

ELK Stack: Elasticsearch, Logstash, Kibana, Elastic Agents, Beats

Automation: Shell scripting, Python, configuration management tools

Integration: ServiceNow, ITSM platforms, API-based automation

Monitoring: Custom dashboards, alerting, health checks

Responsibilities

Provide Level 2/3 IT network security operations support

Respond to incident calls and ensure the SLA to our clients is met

Perform changes to the network in-line with the organization's Change Management processes

Ensure compliance to policies, processes and standards, both internal and clients organization

Prepare network analysis reports, including findings with analysis

Participate in regular operations review meetings, including operational issues, tickets review etc

Participate in projects/activities to support improvement initiatives

Conduct proper handover from the project team to operations after commissioning of projects.

Conduct internal training and/or knowledge transfer to team.

Update operations documentation (technical, CMDB, etc).

Requirements

At least 5 years of experience providing network operational and administration supporting Cisco products (Routers / Switches/WLAN)

Diploma or Degree in Engineering, IT or its related field.

Minimum Cisco CCNP certification

In-depth knowledge of network routing and switching technologies and protocols

Knowledge of network security, load balancing and optimization technologies

Experience working with Cisco network, Bluecoat Proxy, F5 Load Balancer, Palo Alto/Checkpoint/Fortinet firewall and Splunk is preferred.

Ability to work in a multi-cultural team

Good communication skills both written and verbal.

Ability to prioritize work & multitask

Analytical and possess good troubleshooting skills.

Willing to work in extended hours and perform standby duty after office hour

Experience in network automation via scripting (e.g. Python, Ruby) or tools (e.g. Ansible, Algosec, Chef) Network & Security

CyberArk, Solarwinds, Splunk, RSA, Tenable, Trend Micro, Generic, F5