Unable to run jobs on SQL Server on my PC

I have been trying to run an SSIS package in my C: from SSMS on my PC. I have scheduled a job as per below

And below is the error that I am getting

Executed as user: .

Microsoft (R) SQL Server Execute Package Utility Version 14.0.1000.169 for 64-bit
Copyright (C) 2017 Microsoft. All rights reserved.

Started: 11:15:37 AM
Error: 2019-10-03 11:16:28.52
Code: 0x000002C0
Source: Address Connection manager "ORACLE_v"
Description: OCI error encountered. ORA-12154: TNS:could not resolve the connect identifier specified
End Error

Error: 2019-10-03 11:16:28.52
Code: 0x0000020F
Source: Data Flow Task Oracle Source [70]
Description: The AcquireConnection method call to the connection manager ORACLE_v500 failed with error code 0x80004005. There may be error messages posted before this with more information on why the AcquireConnection method call failed. > End Error

Error: 2019-10-03 11:16:28.52
Code: 0xC0047017
Source: Data Flow Task SSIS.Pipeline
Description: Oracle Source failed validation and returned error code 0x80004005. > End Error

Error: 2019-10-03 11:16:28.52
Code: 0xC004700C
Source: Data Flow Task SSIS.Pipeline
Description: One or more component failed validation. End Error

Error: 2019-10-03 11:16:28.52
Code: 0xC0024107
Source: Data Flow Task
Description: There were errors during task validation. End Error

DTExec: The package execution returned DTSER_FAILURE (1).

Started: 11:15:37 AM Finished: 11:16:28 AM Elapsed: 50.625 seconds. The package execution failed. The step failed.

I am not sure why I am getting these errors. I can run that package from SSIS and it is not giving me any connection issues.

create a proxy account you know can access the Oracle source.

then run the agent under the proxy account you've set up.