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Extensibility Engineer - Job Opportunity at Arista Networks

Dublin, Ireland
Full-time
Mid-level
Posted: June 7, 2025
On-site
EUR 65,000 - EUR 85,000 annually based on Dublin market conditions for mid-level software engineers with networking specialization. The role's focus on automation and enterprise customer solutions, combined with Arista's market position, suggests compensation in the upper portion of this range with potential for significant equity participation and performance bonuses.

Benefits

Opportunity to work with cutting-edge cloud computing, artificial intelligence, and software-defined networking technologies that position professionals at the forefront of technological innovation
Access to diverse and inclusive work environment that fosters creativity and drives innovation through varied perspectives and backgrounds
Recognition as part of award-winning organization including Best Engineering Team, Best Company for Diversity, Compensation, and Work-Life Balance
Global collaboration opportunities with international software engineering teams working on high-impact customer solutions
Professional development through exposure to complex real-world networking problems and advanced infrastructure deployment challenges
Career advancement potential within industry-leading data center and networking solutions company

Key Responsibilities

Drive network automation innovation by developing cutting-edge frameworks that leverage advanced automation techniques to solve complex customer challenges and establish new industry standards
Lead software customization initiatives that enable enterprise customers to deploy and operate sophisticated networking infrastructure, directly impacting their operational efficiency and competitive advantage
Architect and build efficiency-enabling software tools that enhance productivity for both internal teams and external collaborators during critical network deployment, migration, and operational phases
Participate in strategic on-call rotation ensuring high availability and rapid resolution of customer-critical issues, demonstrating commitment to service excellence
Collaborate across global engineering teams to deliver robust, high-quality software solutions that address real-world networking challenges for Fortune 500 clients
Contribute to all phases of software development lifecycle from conception to deployment, ensuring solutions meet enterprise-grade quality and performance standards

Requirements

Education

Masters or Bachelors degree in Computer Science or related field (or equivalent experience)

Experience

3+ years professional software development experience

Required Skills

Proficiency in Python, Golang, C++, C or Rust Expertise in version control systems (e.g. GitHub, GitLab, Bitbucket) Knowledge of testing frameworks (e.g. PyTest, GoMock) Understanding of IP networking and/or distributed systems Experience with Unix or Linux Comfortable working in all phases of software development life cycle Personable with excellent communication skills Great problem solving, analytical and troubleshooting skills Ability to work independently, and also collaborate effectively within a team Keen intellect with willingness to keep learning and developing Willingness to participate in an on-call rotation Experience with CI platforms (e.g. GitHub, GitLab, Jenkins) Familiarity with container technologies (e.g. Docker, Podman, Kubernetes) and service orchestration (e.g. Ansible, Terraform) Familiarity with Nautobot or Netbox Familiarity with Itential Automation Platform Experience with data center networking, management and orchestration Experience building third party software integrations and APIs Experience working in a customer-facing role
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Sauge AI Market Intelligence

Industry Trends

The networking industry is experiencing unprecedented growth in software-defined networking (SDN) and network function virtualization (NFV) adoption, with organizations increasingly seeking programmable network infrastructure to support digital transformation initiatives. This trend is driving significant demand for engineers who can bridge traditional networking with modern software development practices. Enterprise organizations are rapidly adopting multi-cloud and hybrid cloud architectures, creating substantial demand for network automation specialists who can design and implement infrastructure-as-code solutions. The market is particularly focused on professionals who can deliver scalable automation frameworks that reduce operational overhead while improving network reliability and security. The rise of artificial intelligence and machine learning in network operations (AIOps) is creating new opportunities for engineers with expertise in both networking protocols and software development. Organizations are investing heavily in intelligent network management solutions that can predict and prevent issues before they impact business operations. Container orchestration and microservices architectures are becoming standard in enterprise environments, driving demand for networking professionals who understand both traditional network protocols and modern container networking technologies like Kubernetes CNI plugins and service mesh implementations.

Role Significance

Typically operates within a team of 8-12 engineers globally, with direct collaboration across 3-4 regional teams. The Professional Services nature suggests smaller, more agile teams focused on customer delivery rather than large product development organizations.
This role represents a specialized mid-level position with significant technical influence and customer impact. The combination of network automation expertise, customer-facing responsibilities, and participation in on-call rotations indicates substantial individual contributor expectations with potential for technical leadership growth. The role bridges traditional networking with modern software development, positioning the individual as a critical technical resource for enterprise customer success.

Key Projects

Design and implementation of enterprise-scale network automation platforms serving Fortune 500 clients with complex multi-site infrastructure requirements Development of custom software integrations connecting Arista networking solutions with customer-specific management platforms and operational tools Creation of infrastructure-as-code frameworks enabling rapid deployment and consistent configuration management across large-scale data center environments Building of network orchestration tools that automate complex migration scenarios and operational workflows for enterprise customers

Success Factors

Deep understanding of both traditional networking protocols and modern software development practices, enabling effective translation between networking requirements and software solutions Strong customer relationship management skills combined with technical expertise to serve as trusted advisor for enterprise networking decisions Ability to work effectively across multiple time zones and cultural contexts while maintaining high standards for code quality and customer service Continuous learning mindset to stay current with rapidly evolving networking technologies and automation frameworks Problem-solving capabilities that can address complex integration challenges between disparate networking and software systems

Market Demand

High demand driven by critical shortage of professionals with combined networking and software development expertise, particularly in the European market where digital infrastructure modernization initiatives are accelerating across both public and private sectors.

Important Skills

Critical Skills

Python proficiency is essential as it serves as the primary automation language for network infrastructure management and is extensively used in DevOps toolchains. The ability to write efficient, maintainable Python code directly impacts the quality and scalability of automation solutions delivered to enterprise customers. Understanding of IP networking and distributed systems forms the foundation for all networking automation work. This knowledge enables effective troubleshooting of complex network issues and design of automation solutions that account for network topology and protocol behavior. Experience with version control systems and testing frameworks is crucial for maintaining code quality in collaborative development environments. These skills ensure that automation solutions can be safely deployed and maintained in production environments serving critical business functions. Linux/Unix expertise is fundamental as most networking automation and orchestration tools operate in Linux environments. This knowledge is essential for system administration, containerization, and integration with existing enterprise infrastructure.

Beneficial Skills

Container technologies and orchestration platforms like Kubernetes represent the future of application deployment and are increasingly integrated with network automation solutions. Understanding these technologies enables development of more sophisticated automation frameworks. Experience with CI/CD platforms enhances the ability to deliver high-quality software solutions efficiently and enables implementation of DevOps best practices in network automation workflows. Knowledge of specialized networking management tools like Nautobot or NetBox provides competitive advantage in enterprise environments where these tools are commonly deployed for network inventory and configuration management. Customer-facing experience is valuable for understanding business requirements and translating technical capabilities into customer value propositions, particularly important in the Professional Services delivery model.

Unique Aspects

Rare opportunity to work at the intersection of traditional networking and modern software development within a market-leading company
Direct customer impact through Professional Services delivery model, providing immediate feedback on technical solutions and market needs
Exposure to cutting-edge networking technologies including AI-driven network operations and software-defined infrastructure
Global collaboration opportunities with access to diverse technical challenges across different geographic markets
Strong emphasis on automation and efficiency tools development, positioning for leadership in the growing network automation market

Career Growth

Career progression typically occurs within 2-3 years given the specialized nature of the role and high market demand for experienced professionals. Advancement opportunities are accelerated by the combination of technical depth and customer-facing experience.

Potential Next Roles

Senior Network Automation Engineer with expanded technical leadership responsibilities and architectural decision-making authority Principal Solutions Engineer focusing on pre-sales technical consulting and customer solution design Technical Product Manager for networking automation products with responsibility for product strategy and roadmap development Customer Success Engineering Manager leading teams of technical specialists serving enterprise accounts

Company Overview

Arista Networks

Arista Networks is a publicly-traded leader in cloud networking solutions with over $4 billion in annual revenue, serving hyperscale data centers, enterprise networks, and cloud service providers globally. The company has established itself as a primary competitor to Cisco in the data center networking space, with particular strength in software-defined networking and network automation solutions.

Arista holds a dominant position in high-performance data center switching with significant market share among cloud service providers and large enterprises. The company is recognized as a technology innovator with strong financial performance and consistent growth in the competitive networking infrastructure market.
The Dublin office serves as a key European hub for Arista's international expansion, providing strategic access to European enterprise customers and supporting the company's global customer base. This location offers significant exposure to diverse international networking challenges and opportunities for career advancement within a global technology leader.
Arista maintains an engineering-focused culture that emphasizes technical excellence, innovation, and customer success. The company's award recognition for diversity and work-life balance indicates a progressive approach to employee development and retention, with strong emphasis on collaborative problem-solving and continuous learning.
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