Sr. DDI Engineer

AMISEQ; India; On-site; INR 1,500,000 - 2,400,000; Full time

Job summary

AMISEQ in India is seeking an experienced Enterprise Network Engineer to monitor, maintain, and troubleshoot routing, switching, firewall, VPN/SD-WAN, and DNS infrastructure across data center and campus environments.

You will collaborate with security, cloud, and application teams, contribute to ITIL-aligned change management, and develop automation scripts (Python/Ansible) to streamline tasks and reduce manual errors. On-call rotations and precise documentation are expected.

Qualifications

• 5-10 years of progressive hands-on experience in enterprise network operations or engineering.
• Proficiency with multi-vendor routing and switching (Cisco, etc.).
• Experience managing firewall policies and VPN/SD-WAN solutions.
• Automation scripting in Python/Ansible and basic CI/CD awareness.

Responsibilities

• Monitor, maintain, and troubleshoot enterprise routing, switching, firewall, VPN/SD-WAN, DNS, and load balancing.
• Develop and maintain network automation scripts and playbooks to streamline tasks.
• Create accurate runbooks and change records; participate in ITIL-aligned change management.
• Collaborate with security, cloud, and application teams; participate in on-call rotations.

Skills

Network operations

Scripting (Python)

Automation (Ansible)

Technical documentation

Incident response

Off-hours support

Education

Bachelor’s degree in Computer Science or related field

Tools

Cisco

Palo Alto Networks

Infoblox

F5 BIG-IP

Imperva WAF

Git

ServiceNow

Job description

• Monitor, maintain, and troubleshoot enterprise routing and switching infrastructure across data center and campus environments.
• Manage firewall policies, security rule bases, and access control lists across Cisco and Palo Alto Networks platforms.
• Administer and support VPN and SD-WAN solutions, ensuring secure and reliable connectivity for remote sites and users.
• Maintain and optimize wireless network infrastructure using HPE Aruba platforms, including AP management and RF troubleshooting.
• Operate and tune Web Application Firewall (WAF) policies on Imperva and F5 XC platforms to protect web-facing applications.
• Manage DNS infrastructure and IPAM using Infoblox, including zone management, record updates, and DHCP administration.
• Configure, optimize, and troubleshoot F5 load balancer pools, virtual servers, and iRules; manage Cisco WSA Proxy policies.
• Administer TACACS+ for network device access control, including policy updates, authentication troubleshooting, and auditing.
• Participate in on-call rotation and respond to network incidents within defined SLA windows.
• Produce and maintain accurate network documentation, runbooks, and change records.
• Collaborate with security, cloud, and application teams to support cross-functional initiatives.
• Execute approved change requests following ITIL-aligned change management processes.
• Develop and maintain network automation scripts and playbooks to streamline repetitive operational tasks, reduce manual errors, and accelerate change delivery using Python, Ansible, and/or similar tooling.

Qualifications:

• 5-10 years of progressive hands-on experience in enterprise network operations or engineering.
• Demonstrated expertise across routing protocols: OSPF, BGP, EIGRP; VLANs, STP, and layer 2/3 switching.
• Proficiency in firewall policy management on at least two vendor platforms (Cisco and/or Palo Alto).
• Working knowledge of SSL/TLS inspection, URL filtering, and application-layer security controls.
• Experience with ITSM tools (ServiceNow or equivalent) for incident and change management.
• Strong analytical and troubleshooting skills in complex, multi-vendor network environments.
• Ability to work off-hours for scheduled maintenance windows and emergency incidents.
• Strong written and verbal communication skills; ability to produce clear technical documentation.
• Proficiency in at least one scripting or automation language (Python preferred) for network task automation, data parsing, and API integration.
• Hands-on experience with Ansible or similar configuration management tools for network device provisioning and compliance enforcement.
• Familiarity with version control (Git) and CI/CD pipelines for managing and deploying network automation code.
• Experience using REST APIs or NETCONF/YANG to interact programmatically with network devices and management platforms.