Senior Network Security Engineer Jobs in New Hampshire

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Position Summary

The Senior Content Delivery Network Engineer is responsible for the design, implementation, optimization, and operational reliability of enterprise Content Delivery Network (CDN) platforms supporting large-scale, customer-facing digital applications. This role drives the delivery of secure and highly available content by managing CDN configurations, caching strategies, traffic routing, and edge security controls across distributed environments. The position plays a critical role in improving end-user experience and ensuring resilient application delivery through continuous performance tuning and data-driven optimization.

This role serves as the technical owner and subject matter expert for CDN technologies, partnering with applications, network, and security teams to implement scalable solutions and enforce enterprise standards. The Senior CDN Engineer is accountable for automation of CDN operations, incident response and root cause analysis, and ongoing platform improvements, including emerging edge capabilities and security enhancements. Through hands-on engineering, operational leadership, and strategic contribution, the role supports the organization’s broader goals of reliability, scalability, cost efficiency, and secure digital delivery.

Role Responsibilities:

Development & Enforcement:

• Design, implement, and enforce enterprise-wide CDN standards, policies, and best practices.
• Develop scalable automation frameworks using tools such as Python, Terraform, and GitOps to streamline CDN configuration management.
• Ensure consistency in security configurations, caching strategies, and routing policies across environments.

Collaboration & Expertise:

• Partner with application teams, network engineers, and security stakeholders to design and implement optimized CDN solutions.
• Act as a subject matter expert (SME) for CDN technologies including Akamai, Cloudflare and AWS CloudFront.
• Provide consultation on reference architectures and deployment strategies for enterprise programs.
• Act as a strong team player by partnering with peer engineers and stakeholders to drive end-to-end delivery, ensuring alignment with business goals, timelines, and technical standards.

Analysis & Configuration:

• Configure, optimize, and maintain CDN platforms to improve latency, throughput, availability, and user experience.
• Implement advanced CDN features such as bot management, DNS configurations, API acceleration, and caching strategies.
• Analyze performance data and optimize SEO and web performance through CDN enhancements.
• Fine-tune cache behaviors, routing rules, load-balancing, and WAF policies.
• Develop incident response and recovery strategies and able to create on demand RCA’s.
• Investigate complex delivery issues using traffic analysis, HAR traces, Akamai debug headers, log correlation, and origin/CDN handshake validation to isolate edge, DNS, TLS, and application-layer faults.

Operational Support:

• Provide L3 support, including incident triage, troubleshooting, and root cause analysis and applying timely fixes for CDN-related issues.
• Participate in on-call rotations, ensuring availability during late-night production releases.
• Maintain high system reliability through proactive monitoring and incident prevention.
• Must troubleshoot advanced DNS and traffic management configurations using Akamai GTM and Edge DNS.
• Establish and track CDN-specific SLOs/SLAs (latency, cache hit ratio, error rates) and implement alerting and proactive remediation.

Mentorship & Training:

• Mentor junior engineers and provide guidance on CDN best practices, automation, and troubleshooting techniques.
• Develop internal documentation, playbooks, and training materials to elevate team capabilities.

Innovation and Research:

• Evaluate emerging CDN technologies, tools, and performance optimization techniques.
• Drive continuous improvement initiatives in automation, observability, and security.
• Explore new capabilities in edge computing, serverless CDN features, and API acceleration.

Strategic Planning:

• Contribute to long-term CDN roadmap and architecture strategy aligned with enterprise goals.
• Recommend improvements for scalability, cost optimization, and performance efficiency.
• Influence decision-making through data-driven insights and performance analytics.

Required Qualifications

• 5+ years of experience in CDN implementation and configuration across enterprise distributed systems.
• 3+ years of experience with CDN platforms such as Akamai, Cloudflare, Fastly, Imperva, and AWS CloudFront.
• 3+ years of experience with distributed environments: client-server, VMs, AWS, and GCP.
• 3+ years of experience in two or more programming/scripting languages: Go, Python, Node.js, Java, etc.
• 3+ years of hands-on experience building automation using Python, Terraform, GitOps, or similar tools.
• 3+ years of experience with networking fundamentals: TCP/IP, DNS, HTTP/S, TLS/mTLS, proxies, load balancing, and WAF.
• 3+ years of experience with monitoring and observability tools such as Grafana, Splunk, Microsoft Sentinel, New Relic, and Akamai TrafficPeak/Metadata Tracer.

Preferred Qualifications

• Hands-on, advanced experience with Akamai CDN solution (highly preferred).
• Ability to manage end-to-end CDN lifecycle, including configuration, optimization, and troubleshooting.
• Experience with bot management, advanced WAF configurations, and edge security solutions.
• Strong knowledge of API integrations, REST APIs, Workflows, and caching/API acceleration patterns.
• Proven experience implementing security best practices and compliance standards within CDN environments.
• Exposure to multi-cloud and hybrid CDN architectures.
• Strong analytical mindset with ability to translate metrics into performance improvements.

Education

• Bachelor’s degree or equivalent experience (High School Diploma and 4 years relevant experience)

Anticipated Weekly Hours

40

Time Type

Full time

Pay Range

The typical pay range for this role is:

$83,430.00 - $222,480.00

This pay range represents the base hourly rate or base annual full-time salary for all positions in the job grade within which this position falls. The actual base salary offer will depend on a variety of factors including experience, education, geography and other relevant factors. This position is eligible for a CVS Health bonus, commission or short-term incentive program in addition to the base pay range listed above.

Our people fuel our future. Our teams reflect the customers, patients, members and communities we serve and we are committed to fostering a workplace where every colleague feels valued and that they belong.

Great benefits for great people

We take pride in offering a comprehensive and competitive mix of pay and benefits that reflects our commitment to our colleagues and their families.

This full-time position is eligible for a comprehensive benefits package designed to support the physical, emotional, and financial well-being of colleagues and their families. The benefits for this position include medical, dental, and vision coverage, paid time off, retirement savings options, wellness programs, and other resources, based on eligibility.

Additional details about available benefits are provided during the application process and on Benefits Moments.

We anticipate the application window for this opening will close on: 06/23/2026

Qualified applicants with arrest or conviction records will be considered for employment in accordance with all federal, state and local laws.