The Senior Network Engineer is responsible for leading and executing enterprise-wide migration initiatives from public to private IP addressing across applications, databases, servers, and network devices. This role ensures secure, resilient, and uninterrupted service delivery through careful planning, dependency analysis, execution, validation, and documentation of network changes in complex on-premises, cloud, or hybrid environments.
Key Responsibilities
Conduct a
comprehensive assessment
of all servers, applications, databases, and network devices currently using public IP addresses.
Develop a
detailed IP migration plan
covering timelines, phased execution, backup strategies, and service rollback procedures when required.
Perform
application and service dependency analysis
to identify and mitigate the impact of IP address migration on interconnected systems.
Design and allocate
new private IP address ranges
, ensuring full compatibility with the existing network architecture and infrastructure standards.
Execute the migration from public to private IP addresses in a
secure and controlled manner
, while maintaining continuous operation of business-critical applications and services.
Coordinate with security, systems, application, and operations teams to align firewall rules, routing, NAT, DNS, and access controls with the recent private addressing model.
Perform
post-migration validation and testing
to confirm service availability, performance, and network stability.
Prepare and maintain
comprehensive documentation
for all migration phases, including implemented changes, encountered issues, root causes, and applied solutions.
Assess and analyze
all DNS records
to identify unused, obsolete, or outdated entries.




Classify DNS records based on
criticality, activity level, and operational validity
.
Remove or update
invalid, obsolete, or unnecessary DNS entries
in accordance with approved change procedures.
Ensure that DNS cleanup activities
do not impact applications, services, or end users
.
Establish
periodic review procedures
to maintain the accuracy and health of DNS records on an ongoing basis.
Document
all DNS review, cleanup activities, and applied changes
for audit, compliance, and operational reference.
Required Technical Skills & Experience
Strong expertise in
enterprise network design
, IP addressing (IPv4/IPv6), subnetting, and routing protocols.
Hands-on experience with
IP address migration projects
in large-scale environments (on-prem, cloud, or hybrid).
Solid knowledge of
firewalls, load balancers, DNS, NAT, VPNs, and network security controls
.
Experience working with
high-availability and mission-critical environments
, ensuring zero or minimal downtime.
Ability to analyze complex
application-to-network dependencies
.
Familiarity with
change management, rollback planning, and disaster recovery practices
.
Soft Skills & Professional Competencies
Strong analytical and problem-solving skills
Excellent documentation and technical reporting capabilities
Ability to work under pressure and manage high-risk infrastructure changes
Effective communication with technical and non-technical stakeholders
Education & Certifications (Preferred)
Bachelor's degree in Computer Science, Information Technology, or a related field
Relevant certifications such as
CCNP/CCIE, JNCIP/JNCIE, Infoblox Technical Certifications or equivalent
are highly prefer.

📌 Sr.Network Engineer (Ip Addressing, Network Migration, Dns) Riyadh, Saudi Arabia (Bengaluru)
🏢 DeepSource Technologies
📍 Bengaluru