ROLE SUMMARY
The manager will perform day-to-day support functions related to Pfizer's WAN, Internet and cloud DMZs.
They are responsible for coordinating a
ctivities to
support the WAN/DMZ Service Owners, support change activity which is associated with business (GWS & ACD), Digital or internal EP&S; driven changes.
Specific responsibilities include performing analysis for Internet offload, responding to incident tickets, supporting design and implementation of new cloud services, and updating related support documentation.
The position will focus on WAN, DMZ and Cloud engineering which will also encompass working with application support teams, Global information security and
monitoring/automation
teams.
ROLE
RESPONSIBILITIES
Lead the
management of WAN-DMZ assets
, both physical and virtual, ensuring lifecycle governance of deployed infrastructure.
Serve as a
technical escalation point
for complex incident resolution and solutioning across WAN, DMZ, and cloud environments.
Drive the
automation of network operations
, including configuration management, monitoring, and remediation workflows to reduce toil and risk.
Support the
definition and evolution of WAN, DMZ, and Cloud design standards
, including authoring detailed technical design documents and maintaining accurate physical/logical diagrams.
Collaborate on the
research, development, and deployment of current WAN/cloud services
, technologies, and features with a focus on automation and scalability.
Lead
infrastructure changes
from requirements gathering through implementation, including design, analysis, testing, and optimization.
Architect
resilient and efficient network designs
to ensure high availability and performance across core data centers and cloud platforms.
Partner with cross-functional teams (Firewall Engineering, Network Operations, Global Information Security, DDI Engineering) to develop and enforce global standards.
Install and configure network hardware/software in alignment with design standards and change management protocols.




Identify and update inaccurate support documentation; drive
continual service improvement
initiatives.
Stay current on emerging technologies, especially in
network automation, micro-segmentation, adaptive policy, and zero-trust network access
.
Contribute to the
long-term strategy
for global WAN-DMZ services, with a focus on automation, observability, and resilience.
QUALIFICATIONS
Bachelor's degree required, major in a technical field such as Information Technology or Computer Science/Engineering. A Master's degree in Information Technology, Computer Science, or Engineering is preferred.
4+ years of experience in
network automation and orchestration
, including scripting with
Terraform, Python, Ansible, or similar tools
.
Proven ability to
automate operational processes
, including configuration deployment, compliance checks, and incident response.
Experience supporting and mentoring a
global team of technical engineers
.
Deep knowledge of
network technologies
, including Cisco, Meraki, Aruba, and Cisco Viptela SD-WAN.
Hands-on experience with
cloud networking services
(AWS, Azure, GCP), including automated provisioning and policy enforcement.
Professional certifications such as
CCNP, CCSE, CISSP
, or equivalent expertise.
Familiarity with
DevOps principles
, CI/CD pipelines, and
infrastructure-as-code
practices.
Understanding of
IT operations best practices
in highly available, distributed environments.
A strong team player with excellent oral and written communication skills
Process oriented with great documentation skills
Strong analytical and quantitative problem-solving and troubleshooting ability
Self-starter with the ability to independently prioritize and complete multiple tasks with little to no supervision
Please apply by sending your CV in English.
Work Location
Assignment:Hybrid
Work Location Assignment: Hybrid
Pfizer is an equal opportunity employer and complies with all applicable equal employment opportunity legislation in each jurisdiction in which it operates.
Information & Business Tech

📌 Senior Associate, Wan-Dmz Engineering (Chennai)
🏢 Pfizer
📍 Chennai