Sr. Network Engineer (Loadbalancer)

About us:

Arista Networks was founded to pioneer and deliver software driven cloud networking solutions for large datacenter storage and computing environments. Arista's award-winning platforms, ranging in Ethernet speeds from 10 to 400 gigabits per second, redefine scalability, agility and resilience. Arista has shipped more than 20 million cloud networking ports worldwide with CloudVision and EOS, an advanced network operating system. Committed to open standards, Arista is a founding member of the 25/50GbE consortium. Arista Networks products are available worldwide directly and through partners.

About this role:

• You will be working with the WiFi team at Arista, developing cutting edge and next generation WiFi solutions in a fast-paced environment. The WiFi team is responsible for the end to end development of the Cloud managed WiFi product portfolio of Arista. This specific position is for the WiFi AccessPoint team.
• As a core member of the AccessPoint team, you will be working closely with relevant teams to understand product requirements, design the solution, build the software and deliver it for final validation and customer deployment.
• You will also keep track of new and emerging technologies and their impact on Arista products, come up with new and innovative ideas to improve and differentiate the product and help Arista become a leading player in the Campus space.
• You will work closely with sales and support teams to push new solutions, understand customer needs and pain points and help resolve escalations.
• You will not be limited to a single aspect of the product, it will be broad encompassing many different aspects including but not limited to developing new Access Points, designing and implementing new features, tracking new technologies and working closely with the sales and customer teams.

Requirements:

• Strong engineering and Computer Science fundamentals

• Expected to have a strong background in software development and good understanding of systems and networking areas with the knowledge of the WiFi area as an added bonus.

• Minimum 4+ years of relevant experience

• Well versed with programming in one of C/C++ languages

• Experience working in a Linux environment, developing applications or Linux drivers

• Proven experience in any of the below:

1. Network device drivers, operating system internals, Kernels, compilers, SOC architecture
2. Experience in developing Wi-Fi features (802.11), WLAN MAC Protocol, system integration, evaluate various performance parameters.
3. User space development for connectivity related products (Wireless Lan access points/ controllers, networking equipment) in one or more of following areas:

• HostAPD, Portal, RADIUS, AAA, Identity and role management, Radsec

• Tunnels, Firewall, Iptables, Flow Classification, QoS, TLS, DTLS Preferred Skills

• Experience with Wi-Fi device drivers on Linux.

• Hands-on experience in working with one or more WIFI chipset platforms

• Good System Level understanding of the Wireless AP functionality

• Experience in developing Wi-Fi features, system integration, evaluate various performance parameters

Resources:

• Arista Cognitive WiFi : https://www.arista.com/en/products/cognitive-wifi https://youtu.be/cT1INdR-xHQ https://www.youtube.com/watch?v=olPkCOT3MdA
• Arista Cognitive WiFi Datasheet: https://www.arista.com/assets/data/pdf/Datasheets/CloudVision-Wifi-Datasheet.pdf
• Arista's Approach to Software with Ken Duda (CTO): https://youtu.be/TU8yNh5JCyw
• Additional information and resources can be found at https://www.arista.com/en/

Cloud EOS Team

·        Arista Networks is the leader in building software driven cloud networks for today’s datacenter, cloud and campus environments. Arista delivers the most efficient, reliable and high performance Universal Cloud Network architectures based on 10G, 25G, 40G, 50G, 100G and 400G platforms delivered with an extensible operating system – Arista EOS®. Arista EOS is built on an open, programmable, and resilient state-sharing architecture that delivers maximum system uptime, reduces CAPEX and OPEX by simplifying IT operations and enables business agility.

·        We are building disruptive products and services that deliver highly automated networks that interconnect and secure connectivity between various global locations. As a part of the team you will be exposed to wide variety of technologies like EOS (Extensible Operating System), multithreaded, multicore software forwarding based on DPDK, public cloud (AWS, Azure, GCP) infrastructure, Path selection, NFV, Containers, Network Segmentation, Virtualization, microservice based architectures, CI/CD pipelines, and Terraform-based declarative provisioning models. As a core member of the CloudEOS team, you will be part of a fast paced, high-caliber team building cutting edge software products for Cloud-enabled WAN connectivity. The team is responsible for all aspects of the development and delivery of control plane, software data plane, and management platform/APIs/services.

·        Arista provides an open Engineering-driven culture which fosters innovation and enables engineers to Learn, Lead and Thrive. Our adoption of modern software tools, methodologies and processes and emphasis on automation enables our engineers to focus their energies on the truly complex problems and be among the most productive in the industry. Arista's products are purpose built with the scale, performance and quality required to operate in some of the most demanding environments - this provides engineers the platform and rigour to learn and gain experience in building complex, scalable software systems.

Basic qualifications

·        Bachelor's/Master's degree in Engineering

·        3+ years of experience working as a Systems Software Development Engineer

·        Proficiency in C++/C programming language

·        Software Development experience with Linux

Preferred qualifications

·        Experience with DPDK, Software Forwarding, Qos.

·        Python and/or Golang development experience

·        Strong communication skills and the ability to work in a team environment

·        Experience working through the complete software development life cycle right from requirements gathering to delivering the fully developed feature.

·        Strong software debugging skills especially in embedded systems.

·        Experience in Network Systems Software development is a plus

EOS Routing Team

·        Arista Networks is the leader in building software driven cloud networks for today’s datacenter, cloud and campus environments. Arista delivers the most efficient, reliable and high performance Universal Cloud Network architectures based on 10G, 25G, 40G, 50G, 100G and 400G platforms delivered with an extensible operating system – Arista EOS®. Arista EOS is built on an open, programmable, and resilient state-sharing architecture that delivers maximum system uptime, reduces CAPEX and OPEX by simplifying IT operations and enables business agility.

·        The EOS Routing PI team is responsible for developing routing protocols like BGP, OSPF and ISIS and Data Center and SP technologies like MPLS, Segment Routing and EVPN. A unique feature of the Arista routing team is that the routing software is common across Campus, Data Center and Service Provider routing features. This is a global team that spreads multiple geographies working on cutting edge features that get deployed in the largest Cloud titan, Service Provider, Enterprise and Campus networks.

·        Arista provides an open Engineering-driven culture which fosters innovation and enables engineers to Learn, Lead and Thrive. Our adoption of modern software tools, methodologies and processes and emphasis on automation enables our engineers to focus their energies on the truly complex problems and be among the most productive in the industry. Arista's products are purpose built with the scale, performance and quality required to operate in some of the most demanding environments - this provides engineers the platform and rigour to learn and gain experience in building complex, scalable software systems.

Basic qualifications

·        Bachelor's/Master's degree in Engineering

·        3+ years of experience working as a Systems Software Development Engineer

·        Proficiency in C++/C and Python programming languages

·        Experience with routing protocols and/or Data Center/SP routing features

·        Software Development experience with Linux

Preferred qualifications

·        Strong communication skills and the ability to work in a team environment

·        Experience working through the complete software development life cycle right from requirements gathering to delivering the fully developed feature.

·        Strong software debugging skills especially in embedded systems.

·        Experience in Network Systems Software development is a plus

EOS Layer 2 and Infra PI Team

·        Arista Networks is the leader in building software driven cloud networks for today’s datacenter, cloud and campus environments. Arista delivers the most efficient, reliable and high performance Universal Cloud Network architectures based on 10G, 25G, 40G, 50G, 100G and 400G platforms delivered with an extensible operating system – Arista EOS®. Arista EOS is built on an open, programmable, and resilient state-sharing architecture that delivers maximum system uptime, reduces CAPEX and OPEX by simplifying IT operations and enables business agility.

·        The EOS Layer 2 PI and Infra team is responsible for working on platform independent features on Arista’s EOS working alongside the EOS Routing team. The team is responsible for building innovative, scalable solutions in areas including EOS infrastructure, Layer 2 protocols like 802.1X, Macsec, DHCP, RADIUS etc. A unique feature of the Arista’s Layer 2 PI and Infra team is that the software developed is common across Campus, Data Center and Enterprise features. This is a global team that spreads across multiple geographies working on cutting edge features that get deployed in the largest Cloud titan, Service Provider, Enterprise and Campus networks.

·        Arista provides an open Engineering-driven culture which fosters innovation and enables engineers to Learn, Lead and Thrive. Our adoption of modern software tools, methodologies and processes and emphasis on automation enables our engineers to focus their energies on the truly complex problems and be among the most productive in the industry. Arista's products are purpose built with the scale, performance and quality required to operate in some of the most demanding environments - this provides engineers the platform and rigour to learn and gain experience in building complex, scalable software systems.

Basic qualifications

·        Bachelor's/Master's degree in Engineering

·        3+ years of experience working as a Systems Software Development Engineer

·        Proficiency in C++/C and Python programming languages

·        Software Development experience with Linux

Preferred qualifications

·        Experience with Layer 2 protocols like 802.1X, AAA, Macsec

·        Strong communication skills and the ability to work in a team environment

·        Experience working through the complete software development life cycle right from requirements gathering to delivering the fully developed feature.

·        Strong software debugging skills especially in embedded systems.

·        Experience in Network Systems Software development is a plus

Purpose of the Role

Responsible for 100% uptime of Network with efficient and timely first support on a 24x7 basis to meet Business Goals; providing the highest level of Technology Support, Introducing and maintaining the state of the art Technology in line with the Business Strategy.

Desired Skills and Competencies

• Ability to Influence
• Customer Sensitivity
• Execution Excellence
• Functional Expertise
• Situation Handling
• Team Management
• Working Together

Role Description:

1. Work Experience: Should have work experience in Telco / ISP service Provider background
2. Should have experience in Planning and Operations of Broadband network.
3. Should Lead a Team and Manage Day to Day NOC Operation.
4. Manage Outages in the Network and Provide resolution within SLA; Handle Customer Escalation with Minimal Turnaround time.
5. Escalating Issues and Co-ordinating with vendor team on Bug fixes and Resolutions.
6. Maintain the Uptime of the network at 100%.
7. Should Monitor the Network and planning maintenance activities timely.
8. Should work on building redundancy and elimination of Point of Failures.
9. Should work on Bandwidth Management and Traffic Load Balancing Mechanism.
10. Provide backend support to cross functional teams for new provisioning and Fault Repair.
11. Should be available 24*7 for support for responding to emergency situations and planned activities.
12. Should be Responsible for Inventory Management.
13. Manage and Train NOC team, perform evaluations and hiring, and handle disciplinary responsibilities. 
14. Prepare and Maintain SOPs of critical Process; perform Process Correction on requirement basis.
15. Should analyse fault trends and plan preventive actions.
16. Should be Responsible for publishing of daily, weekly, monthly reports and statistics reports.

Technical Requirements:

1. Should have Good Knowledge of Switching and Routing.
2. Hands-on experience of BGP, MPLS, MPLS L2VPN, MPLS L3VPN, ISIS, OSPF, VLAN, DHCP, PPPoE, STP, LAN, WAN, NAT etc
3. Should have worked in Layer-2 and Layer-3 Switches, Edge Routers; preferably on Cisco and Huawei Devices.
4. Should have worked on GPON Technology and have understanding of Operation and Troubleshooting skills, hands on experience on installation and implementation of OLTs and ONTs.
5. Should have worked on NMS Tools and have understanding of SNMP Protocol.
6. Should have understanding of BNG workings principles, RADIUS and Diameter protocols.
7. Should have Good understanding of Fiber Technology.
8. Should have understanding of Wireless Technologies such as 802.1b/g/n, 802.11ac, should be able to configure WIFI routers and debug issues.
9. Must have done BE/B.Tech or equivalent in Computer Engineering/Electronics & Communication Engineering/Electronics & Electrical Engineering
10. CCNA/CCNP Certification is Preferred.

• Preparing Scope of Work and Project Plans for the Solution.
• Preparing High Level & Low Level designs as per proposed Solution.
• Design and Implementation of Routing and Switching technologies.
• Design and implementation of Data Centers on SDN technologies e.g. Cisco ACI, VMware NSX.
• Campus LAN and Wireless design, Implementation and Troubleshooting.
• Design and implementation of software defined campus network e.g. Cisco DNA, SD-Access
• Design, Implementation of WAN, and SDWAN Technologies.
• Hands on experience on WAN optimization technologies.
• Troubleshooting and repairing network issues, as well as developing, applying
• Hands on experience on WAN optimization technologies.
• Troubleshooting and repairing network issues, as well as developing, applying and enforcing best practices and policies
• Monitoring and performing routine tests on an assigned system and reporting results.
• Identifying opportunities for continuous improvements
• Contributing and producing regular status reports as required
• Provide resolution to project or customer issues, following proper escalation procedures, in a timely fashion
• Create project documentation and procedures
• Excellent communication (written and oral) and interpersonal skills
• Knowledge and experience of ITIL based service processes: Incident Management, Change Management, Release Management, Problem Management, etc.

The Network Engineer position provides a secure network infrastructure and resolves any network security related findings. Evaluate and analyze new technologies for potential applicability to business needs. Design, install, and support the network infrastructure capable of supporting the business processes at Citizens Energy Group. Design, test, and implement a disaster recovery process and procedures for the network infrastructure. Maintain a solid technical knowledge of computer hardware, software and applications available within the industry to support our current systems and assist in planning future directions.

Detailed Description

Essential Duties and Responsibilities:

• Responsible to provide on-call support in a 24/7 environment and remedy network outages or other interruptions.
• Maintain existing network equipment, installing new equipment and replacing faulty equipment in plant environments. Vendor and warranty management for network hardware and software.
• Design, implement, document, and test Disaster Recovery process and procedures for network infrastructure
• Manage network infrastructure backup and recovery processes
• Security and critical IOS update patch management
• Advise team for network infrastructure-related issues
• Proactive monitoring of to identify outages, service degradation, or security threats and responding accordingly
• Prepare, maintain, and adhere to procedures for logging, reporting, and statistically monitoring network data.
• Design, implement, and maintain network infrastructure to meet SLA requirements
• Design, implement, and maintain Firewall infrastructure for internal and remote use.
• Design, implement, and maintain network management platform for proactive monitoring and management of network infrastructure
• Designing, maintaining, and effectively operating Local Area Networks (LANs) and Wide Area Networks (WANs), Wireless, Internet Connectivity, and Network Security
• Prepare and ensure accuracy of documentation, procedure manuals, and help sheets for network installations, including data, voice, and video systems.
• Assist in development of business continuity and disaster-recovery plans, and maintain current knowledge of the plan. Respond to emergency network outages in accordance with business continuity and disaster-recovery plans
• Performs other duties as assigned
• This position will require an onsite presence and 80% local travel, as it will be supporting our utilities in the Greater Indianapolis Area

Job Requirements

Required Qualifications:

• Four-year degree with emphasis in Computer Science, Computer Technology, MIS or equivalent experience.
• Minimum 5 years of designing and supporting network devices and network protocols (Network switches, Firewalls, Wireless controllers and APs, BGP, OSPF, EIGRP, SIP and layer 2 protocols Spanning Tree, VPC, VDC and VTP).
• Experience with Watchgaurd Firewall, Active Directory, NPS, and RADIUS configurations
• Good interpersonal skills to interact with customers and team members
• Strong organization skills to balance and prioritize work
• Ability to work independently and as part of a team

Installation, Configuration and Troubleshooting of Network Equipment e.g CCTV Camera, Network Switch, Router, Wi-fi, Server and Desktop computer etc. Willing to travel entire India based on project requirement.

• Perform technical feasibility studies of new technologies and architectures, including evaluation of OTS cloud offering.
• Generate entire software image for the target device, including the kernel, device drivers, libraries, and application software, and the bootloader for proprietary IOT connectivity device(s).
• Software packaging with RPM building and management
• Define the process to upgrade the new Linux package to existing hardware at customer premises
• Configuration and Troubleshoot of the proprietary IOT connectivity devices for internal R&D teams during their development and verification
• Automate the creation and distribution of keys and certificates
• Understand, implement, and automate security controls for IoT connectivity devices.
• Tune server and application-level performance monitoring and alerting.
• Help define our roadmap and architecture based on technology and business needs, considering architectural issues and tradeoffs
• Understand and manage integration points with other systems that interface with your applications
• Supports development of project plans, including scope, budget, schedules, and risk management.
• Works closely with the business analysts, software development and verification team, the functional manager, and the program manager.
• Collaborate and work with global teams in multiple locations.
• Interface with Global Privacy and Security team for the IoT Gateway understand security risks and recommendations and provide solutions to mitigate the security risks

• Bachelor’s degree in Computer Networking / Computer Science / Software Engineering or a related field
• 12+ years of hands-on experience in Networking, shell scripting, and Linux internals, with a development background.
• Strong understanding of Networking concepts like VPC, Route tables, Host base router firewall, SSH, NAT, DNS, DHCP, SNMP, Virtual IPs, VPN
• Linux System Administration and Networking work experience
• Configuring Firewalls(IP tables/firewall) and security software
• Able to generate Linux packages, and configure based on business needs.
• Passion for cybersecurity. Ability to build secured Linux packages with antivirus and security patches.
• Shell, Python scripting experience
• Basic SQL skills
• Ability to work with cross-functional and remote teams. Must be able to communicate in English, both written and verbal.
• Interpersonal skills to effectively collaborate with vendors and customers.

• Experience with Agile Scrum
• Development background in Java/C++
• DevOps knowledge
• Knowledge on javascript

As an IT Infrastructure Architects design and implement information systems that support an enterprise infrastructure. You will provide the necessary technical infrastructure for the development of new and existing infrastructure technologies and system requirements. 

Improve efficiency and streamline operations. enhance design specs, create technical documentation, implement control concepts and deliver expected outcomes. Collect performance data to monitor systems resource usage and failures rates and provide solutions and recommend changes. ensure scalability and anticipate capacity growth through careful planning and awareness of industry, business and client’s growth trends. Design activities rely on accurate data, sensible KPIs and performance metrics to improve processes and bridge gaps

Primary Responsibilities:

Conducting research on emerging and existing technologies. Recommend system alternative technologies and infrastructure development efforts that increase infrastructure flexibility, reliability, stability, scalability, resilience, availability, performance and cost effectiveness. All collective research efforts will contribute to the creation of architectural road maps that leverage software and cloud technologies. Research customer interaction, policy adherence, enterprise processes. May act as the subject matter expert of architectural virtualization.

Needs to guide in execution of Incident, Change, Release, Problem, Performance, and Availability Management

Security of all infrastructure is of paramount importance and is periodically audited, monitored and updated in keeping up with latest threats and risks.

Identifying best practices for future implementation. Architects provide feedback to the enterprise and incorporate all gathered information into future integration plans.

Provides DevOps thought leadership and mentoring in both advisory and delivery contexts, focusing on the requirements of Technology and Business and how these are best served by continuous improvements to our delivery approach

Required Technical skills and Experience

• Over 10+ years of experience as IT Infrastructure Architect
• Bachelor / Masters Degree in Computer Science, Information Technology or related field
• Must have experience in Infrastructure architecting on AWS/ Azure/ Google cloud.
• Should have a very good understanding of Cloud Native services (IaaS, PaaS, SaaS) platforms for application deployment and scalability in a cost effective manner, addresses scalability, availability, service continuity (DR), performance and security requirements. auto-scaling and self-healing.
• Has hands on experience with cloud orchestration using Kubernetes or apache Mesos on marathon would be an advantage
• Evangelizing microservices-based architectures using containerized applications; help to drive strategy and implementation of cloud native infrastructure
• Sound Knowledge of RDBMS, preferably with MYSQL Mongo, Elasticsearch, Redis. Working knowledge of, CDN/WAF 
• Proven expertise on Linux, and DevOps tools such as Git, Jenkings, maven, Bamboo Docker, Puppet, Ansible,Kubernetes,terraform. Elastic Beanstalk, Openshift
• Infrastructure security (VPC, tunneling, API management, Governance) and networking security solutions like routing, switching, Firewalls etc.
• Good debugging skills on Linux, Apache, Nginx, PHP, MYSQL and cloud-based application and administration of RHEL, CentOS/Ubuntu
• Experience in Cloud scale APM and Monitoring Tools such as ELK ,Splunk, Nagios, Graffana, XMON Datadog, Dynatrace, Appdynamics, Cloud Monitoring.
• Troubleshoot and debug environment and infrastructure problems found in the production and non-production environments.
• Implements security improvements by assessing current situations; evaluating trends; anticipating requirements.
• Determines security violations and inefficiencies by conducting periodic audits.
• Upgrades system by implementing and maintaining security controls.
• Must have knowledge of leading storage backup solutions.
• Experience with one or more Unix shell scripting languages (Bash, C-Shell)

• Team mentoring and support for ramping up new engineers
• Provide leadership in planning, defining requirements, scoping efforts, and setting appropriate milestones
• Using a data-driven process/mindset, author technical content to support the incident response process (e.g. postmortem/root cause analysis) and develop interim solutions to prevent or quickly resolve issues/problems the next time.
• Experience with networking technologies (routing, switching, IP addressing, DNS, Load balancers, etc.) Knowledge of :  - File systems, NFS, CIFS, iSCSI - IPv4 networking, including TCP/IP, SMTP/POP/ IMAP, HTTP/S, LDAP – DNS
• Ability to work independently while tackling complex problems
• Passionate to palm ownership and responsibility of the systems - 24x7