Network Site Reliability Engineering Professional

Introduction
Site Reliability engineers apply SoGware Engineering principles to perform infrastructure
management tasks more efficiently.
We’re seeking skilled automation-focused Network Engineers to maintain and administer the
PowerVS Cloud Infrastructure-as-a-Service environment and provide reliable and secure
network operations.
The Network Infrastructure Operations Site Reliability Engineer works with clients to ensure
their specific networking requirements are provided and handles issues reported by
monitoring/automaOon. Adhering to strict change control the SRE will make required
configuraOon changes in the environment and perform various updates/upgrades to the Cisco
ACI-based soGware-defined networking environment. Constant aZenOon to automaOng
manual toil is a core focus of this role.
PowerVS is a fast-paced environment our engineers provide technical support and resolve
client networking issues within the PowerVS IaaS offering. They identify repetitive tasks and
develop automation to reduce manual toil and seek proactive avoidance of client-impacting
events

Your Role and Responsibilities

• Identify automation opportunities and develop quality reliable automation scripting (Python BASH/shell scripting Ansible and related technologies) to reduce toil and increase accuracy/reliability in areas such as:
• Maintain and firmware upgrades on Cisco ASR/ACI/Leaf switches and Juniper as per security compliance
• Create customer network configurations with their unique requirements in the IBM Cloud environment.
• Perform code updates and troubleshoot issues with network Automation (PowerNS).
• Troubleshoot network issues – raise support cases with network vendors as required to resolve hardware/software issues.
• Investigate and resolve port down/flap/bandwidth issues over ACI/ASR infrastructure NNI links and other parts of the network.
• Day to day follow-ups on incidents and collaborating with our Compute Storage and Monitoring SRE teams.
• Guide customers to create a DirectLink Connections dedicated links and configure Megaport VXC Connectivity from Cloud to the client environment.
• Configure troubleshoot and resolve datacenter inter-connectivity using GRE over NNI links and from the IBM Cloud environment to other cloud and infrastructure.
• Configure and troubleshoot PUB-VLAN expansion ACI/VSRX and VPC expansion on ACI.
• Enable VPNaaS connectivity from Power Cloud to Customer servers.
• Coordinating with Architects Leads and Cloud support teams on new custom configuration setup for customers.

• EMEA hours primarily with the need to extend to work NA hours

Required Technical and Professional Expertise
• Scripting/automation experience
• Scripting and Automation including: Python Perl shell scripting (bash etc) Go Ansible relating to Cisco enterprise networking. • Understanding of Code Management and Updates (GitHub Jira etc).
• Self-Starter who is a fast learner of technology and willing to experiment to find the best solutions.
• Experience creating basic network configurations and working with a variety of network devices troubleshooting and programming.
• Expert-level hands on experience configuring and troubleshooting network technologies including: Overall Cisco HW and SW VLANs Cisco ACI Cisco ASRs GRE BGP DirectLink IPSEC VPN with VyaZa and vSRX VPNaaS.
• Good understanding of Juniper Junos Juniper vSRX.
• Knowledge of restricting traffic onto specific tcp/udp ports and modify static routes when needed upon customer requests.
• Troubleshooting on MTU related issues.
• Strong wriZen and verbal Communicaton skills

Preferred Technical and Professional Expertise

• 3+ years’ experience supporting customers using ServiceNow or Salesforce.
• Bachelor’s degree in computer science or related IT field.
• IBM Cloud experience (networking provisioning etc)
• Knowledge of IBM Power Systems hardware and virtualization• Knowledge of Brocade SAN fabrics. • Knowledge of IBM FlashSystem Storage devices.