Job Description:

We are looking for Docker Admin for an immediate need. This is a client facing role & the candidate will have regular interactions with various client managers.

Responsibilities:

Docker Engine and Hosts Infrastructure

• Engine patching in rolling fashion (L1 scope, Can be executed with minimal to zero Docker knowledge)

• Engine health verifications after OS/kernel patching cycles (L1 scope, Can be executed with minimal to zero Docker knowledge)

• VMWare ESX Host VMs hardware, CommValt snapshot backups, networking, DRS, CPU/Mem related issues troubleshooting and coordination

• FireWall requests for Worker node IPs per new Services access necessities based on Cluster DNS Grouping approach

• Splunk monitoring for overall Host VMs health in a search for CPU/Mem/Network spikes

Docker UCP and DTR core services

•        UCP patching with even coordination

•        UCP Console checks for exhaustive abnormalities on node resources and services; capture UCP support dumps

•        DTR patching with event coordination 

•        UCP RBAC, new org/team creation support

•        DTR Vulnerabilities Scan check verifications and corrective actions

•        DTR promotion/mirroring policies adjustments assistance

•        Container Images integrity and layers verifications with general access troubleshooting

•        DTR NFS storage adjustments per necessities 

•         UCP/DTR backup cycle verification for completeness and associated File system checks

•        Be able to run DTR scripts for gathering node info, job runner info, toggleScan

Docker Ingress Proxy (Traefikee)

•        Performing Upgrade procedures via Puppet dedicated module when new release arrives

•        Periodic access to Traefikee console on all Clusters for Licensing check and overall backend services status

•        Labels verifications for services running under Ingress Proxy umbrella

•        Compose files inspection for networking completeness allowing Data Nodes operate in full router fashion

•        Re-deploying Traefikee per operational needs using Puppet Task via Enterprise Console

•        Production services validation via dedicated URL digging through Ingress Proxy

•        Verifying periodically Data and Control node services logs to detect abnormalities

•        Add a new network to Traefik cluster for new apps requirement

SWARM Services with supporting components

•        Secrets creation and verification 

•        Networking inspection in coordination with Traewfikee Data nodes routing for endpoint services

•        Troubleshooting services with unhealthy replicas via direct service logs reviews

•        Remote shared Volume mounts verification and troubleshooting (both CIFS and NFS)

•        Inspecting Docker compose yaml files in Projects Bitbucket repos for issues mappings to resources and container components

•        Splunk monitoring for Deployed Services resource compliance:  CPU, Mem, Replica limits, AppDynamics injection into app stack via specified parameters

•        Developing familiarity with Bamboo/Gitlab pipeline logistics and code for efficient troubleshooting

•        Services removal and/or inspection per operational necessity

Splunk outcoldsolutions Service maintenance

•        Performing Service upgrades to new release 

•        Restart collectorfordocker_collectorfordocker service per operational necessities

***Cognizant is recognized as a Military Friendly Employer and is a coalition member of the Veteran Jobs Mission.  Our Cognizant Veterans Network assists Veterans in building and growing a career at Cognizant that allows them to leverage the leadership, loyalty, integrity, and commitment to excellence instilled in them through participation in military service.

**Applicants are required to be eligible to lawfully work in the U.S. immediately; employer will not sponsor applicants for U.S. work authorization (such as an H-1B visa) for this opportunity.

Technical Skills

SNo	Primary Skill	Proficiency Level *	Rqrd./Dsrd.
1	Docker Swarm	PL3	Required

 

* Proficiency Legends

Proficiency Level	Generic Reference
PL1	The associate has basic awareness and comprehension of the skill and is in the process of acquiring this skill through various channels.
PL2	The associate possesses working knowledge of the skill, and can actively and independently apply this skill in engagements and projects.
PL3	The associate has comprehensive, in-depth and specialized knowledge of the skill. She / he has extensively demonstrated successful application of the skill in engagements or projects.
PL4	The associate can function as a subject matter expert for this skill. The associate is capable of analyzing, evaluating and synthesizing solutions using the skill.

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