Senior Network Engineer

Jobtailor

Atlanta (GA)

On-site

USD 120,000 - 170,000

Full time

14 days+

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Job summary

Jobtailor in Atlanta seeks a Senior Network Engineer to design, migrate, and operate an enterprise-grade software-defined network infrastructure. The role focuses on transforming legacy networking into modern SDN, with responsibilities for architecture, security, and automation across the network estate.

You will build diagrams and blueprints, configure essential devices, and apply automation to streamline operations while ensuring high availability and disaster recovery.

Qualifications

Minimum 4 years of relevant work experience.
8+ years in network engineering or infrastructure services.
Experience with enterprise DNS, DHCP, and IPAM (DDI) and high availability.
Expert knowledge of DNS architecture and protocols (DNSSEC, GSLB, DDNS, IPAM).
Experience with Infoblox Grid architecture and NIOS administration.
Automation/scripting for DNS/DHCP/IPAM (Python, REST APIs, Ansible, Bash, Terraform).
Experience with GitHub/GitLab and CI/CD pipelines.
Agile teams experience and mentoring across teams.
Certifications such as ICP/ICE preferred.

Responsibilities

Design, deploy, and manage SDN-based network infrastructure.
Lead migration of legacy networks to modern SDN.
Develop network diagrams, blueprints, and device configurations.
Configure routers, switches, firewalls, VPNs, and SDN components.
Perform advanced troubleshooting to minimize downtime.
Lead routine network maintenance and security configurations.
Monitor performance and optimize for reliability.
Drive disaster recovery planning and implementation.
Provide technical leadership and mentorship across teams.

Skills

Network engineering

DNS architecture

Network automation

Technical leadership

Disaster recovery

Infoblox administration

Automation scripting

LLD documentation

Agile methodologies

CI/CD pipelines

Tools

Infoblox

Python

Ansible

Bash

Terraform

GitHub

GitLab

Jenkins

Job description

The Senior Network Engineer will design transformation, deployment, automation, operation, and own Cargill’s software defined network infrastructure with an initial focus on migration of legacy networking infrastructure to modern software defined networking infrastructure.
In this role you will provide thought leadership and actively engage in a network transformation project to migrate legacy physical networking infrastructure to Modern software defined networking infrastructure to architect, build, secure, and maintain.
NETWORK SOLUTIONS: Designs, implements and maintains network solutions to meet organizational needs, including creating network diagrams and blueprints.
NETWORK DEVICES CONFIGURATION: Sets up and configures various complex network devices such as routers, switches, firewalls, virtual private networks and software defined networking to maintain optimal performance and security.
TROUBLESHOOTING & DIAGNOSTICS: Performs complex troubleshooting and diagnostics to resolve network issues, ensuring minimal downtime and maintaining network reliability.
NETWORK MAINTENANCE: Leads routine maintenance and updates on network systems, including applying patches, service packs and security configurations.
PERFORMANCE MONITORING & OPTIMIZATION: Monitors network performance, maintains system availability and reliability, and makes necessary adjustments to optimize performance.
SECURITY MEASURES: Sustains network security by leading the implementation of appropriate measures such as firewalls, intrusion detection systems and encryption technologies.
DISASTER RECOVERY PLANNING: Develops and implements disaster recovery plans to ensure business continuity in case of network failures.
NETWORK AUTOMATION: Develops and implements automation and tools to streamline network operations, including configuration management, device provisioning and software updates.
TECHNICAL LEADERSHIP: Provides technical leadership and influences the adoption of software development and infrastructure as code practices to design, build and support software defined network capabilities. Leads expert-level problem resolution across network teams to remove roadblocks.
ENGINEERING COMMUNITY & MENTORSHIP: Coaches and mentors engineers, shares emerging technical trends, and develops modern skills and engineering best practices across the organization.

Requirements

Minimum requirement of 4 years of relevant work experience.
Typically reflects 5 years or more of relevant experience.
8+ years of experience in network engineering or infrastructure services within a large-scale, distributed IT environment preferred.
4+ years of experience in the design, deployment, and management of enterprise DNS, DHCP, and IP Address Management (DDI) solutions, including high availability and disaster recovery implementations.
Expert-level knowledge of DNS architecture and protocols, including authoritative and recursive DNS, DNSSEC, GSLB, DDNS, DHCP failover, IPAM, and network services automation.
Hands-on experience designing, implementing, administering, and troubleshooting Infoblox environments, including Grid architecture, NIOS platform administration, reporting/analytics, DNS traffic control, and API integrations.
Ability to develop low-level design (LLD) documentation for enterprise DDI and network service architectures.
Knowledge of automation and scripting for DNS/DHCP/IPAM management using Python, REST APIs, Ansible, Bash, or Terraform preferred.
Working experience with source code management and automation tools such as GitHub, GitLab, Jenkins, or CI/CD pipelines.
Experience working with Agile teams, leveraging modern engineering tools and practices to manage team backlog, planned work, and issue tracking.
Experience providing technical leadership across multiple engineering teams and mentoring junior engineers.
Relevant certifications such as Infoblox Certified Professional (ICP), Infoblox Certified Expert (ICE), or equivalent certifications preferred.

Core Competencies

Demonstrates expertise in designing, deploying, and managing software defined networking infrastructure, with a strong focus on automation, security, and performance optimization. Proven ability to lead technical initiatives, mentor engineering teams, and implement disaster recovery plans in large-scale IT environments.

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