Sr Engineer - Network

Essential Responsibilities

• Primary responsibility would be overseeing complete Load balancing and Network Packet Broker Operation.
• Load Balancing Engineer with hands-on experience on F5 BIG-IP GTM and LTM devices as well as Citrix NetScaler.
• Hands on experience in migrating other load balancer vendors to F5 Load Balancer
• Must be an expert in F5 and Citrix Load Balancing platforms.

Roles and Responsibilities

• Should analyse, design, implement and maintain the networks F5 and Citrix NetScaler Load Balancer infrastructure.
• Should inspect data packets and TCP, IP flow in network and application flow.
• Should possess a working knowledge of switches, routers, and firewall concepts.
• Should be able to configure and maintain F5 and Citrix Load Balancers, load balancing best practices.
• Should also take the responsibility to upgrade network operating systems software and hardware as per the management requirements.
• Must ensure that the plans are integrated effectively with the other aspects of the technical infrastructure.
• Extensive knowledge of Load balancing technology including algorithms and health check options.
• Knowledge and experience regarding F5 BIG-IP LTM VIP configuration with health check.
• Knowledge and experience with F5 BIG-IP GTM Wide IP configuration.
• F5 BIG-IP iRule programming and troubleshooting experience.
• Extensive knowledge of Citrix NetScaler VIP configuration with Knowledge and experience with Citrix NetScaler Global Load Balancing (Gslb) configuration.

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

Roles & Responsibilities:

We are looking for a Senior Network Engineer to be responsible for the development and support of a complex networking infrastructure critical to the operation of the Company. This position will develop technical solutions to complex problems requiring the regular use of ingenuity and creativity.

• Maintain, test, and monitor complex local area and wide area network designs encompassing multiple technologies using established procedures and tools.
• Diagnose network issues and provide problem resolution in a timely manner.
• Develop and maintain all network component and system configurations.
• Design, install, and support networking systems and operations.
• Troubleshoot network performance issues.
• Analyse system errors or failures and work to resolve issues. Escalate as necessary to maximize system availability.
• Provide technical support to peers and guidance to users.
• Evaluate new network technologies and make recommendations regarding the integration of relevant technologies into the existing network. Recommend upgrades, patches, and new applications or equipment.
• Maintain knowledge of emerging technologies and enhanced applications.
• Create and maintain network systems documentation and asset management information.

Qualifications:

• 9+ years of networking systems experience is required.
• Experience with Cisco products and support services and procedures is essential; Cisco certifications are preferred, but not required.
• Expert level experience with Cisco Nexus Switching equipment required.
• Expert level experience with Cisco /FMC/ASA Anyconnect.
• Expert level experience with Cisco ISE, posturing RADIUS, TACACS.
• Experience with F5 LTM.
• Expert level experience with routing protocols (EIGRP, OSPF, BGP, DMVPN, IPSEC VPN).
• Expert level experience with L2 technologies (VPC, VTP, port channels)
• Experience with Palo Alto firewalls, and Meraki WIFI/SD WAN.
• Experience with network related tasks with AWS.
• Must be able to work flexible hours on-site and remotely.
• Must be able to work in a complex, dynamic team environment with minimal supervision and possess good organizational skills.
• Strong interpersonal skills are needed to work well with a talented team of infrastructure support personnel and application developers.
• CCIE certification - preferred
• Ability to communicate with individuals at all levels in the Company and with various business contacts outside of the company in an articulate, professional manner.
• Ability to organize, prioritize and handle multiple assignments on a daily basis.

• Support for Incident and Request management tasks as assigned.
• Administration and understanding of the following network services to support Incident and Request tasks as assigned:
• Palo Alto Firewalls
• LAN Routing and Switching
• Microsoft Azure Networking – Vnets, Express Route, Vnet Peering, VPN Gateways
• LAN to LAN VPN Tunnels
• Arista Network devices
• Work with Networking Monitoring tools such as one or more of the following: Solar Winds, Splunk, Prime, NetMRI, Nagios
• Work directly with telecom carriers and Network infrastructure maintenance providers as needed, such as Verizon, Tata, Bharti, and Cisco.
• Maximize network performance by monitoring performance, troubleshooting network problems and outages, scheduling upgrades, and collaborating with network architects on network optimization
• Supports routing and switching and work on BGP, OSPF protocols
• Support China retail store infrastructure and data center through on-call rotations

QUALIFICATIONS:

• Graduate or above
• 6-7 years experience in LAN/WAN Routing including 2 or more years of LAN/WAN Administration experience within a multi-platform technical environment.
• In-depth understanding of voice and/or data technologies and subject matter expert in at least one area.
• Cisco Certified or equivalent combination of knowledge and experience.
• Understanding on IPsec, VPNs, GRE, NAT/PAT over varied platforms
• Expert knowledge of all LAN switching technologies eg Spanning Tree, VLAN management, and VTP concepts on Cisco, Nexus, and Arista
• Good understanding of MPLS routing and OSPF routing