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Job

Network Security Engineer x 2 - Tooling

  • Job ref:

    117-1850/PJ001_1612799844

  • Location:

    Erskine, Renfrewshire

  • Sector:

    ICT

  • Job type:

    Contract

  • Salary:

    £450 - £600 per day

  • Contact:

    Phil Johnson

  • Email:

    pjohnson@cbsbutler.com

  • Published:

    22 days ago

  • Duration:

    3 months +

  • Start date:

    March 2021

  • Consultant:

    Phil Johnson

Network Security Engineer x 2

+ Tooling & Security role

+ 2 roles

+ Erskine based

+ £450- to £600 depeandant on experience

+ RHEL

Based in Erskine
Provide support and development of the tooling environment for networking estate.

LLD compilation including Accounts / Protective Monitoring / Event Identification / Management Channels / Authentication / Certificates etc for the following subsystems:

+ NNMI
+ SYNAPSE
+ HPOM
+ XYMON
+ CMDB


Installation Guide / Operational Guide updates
Support change process and testing for transition to Live
Auditing of Environment
Software Upgrades
Database Operations (SQL)
Corrective Maintenance

Skills:
+ Red Hat Enterprise Linux 6.x applications experience
+ Good Linux application troubleshooting skills, why is a service not starting or failing, why is there no connectivity etc.
+ Locating and making sense of log files
+ Working with services, cron jobs, etc
+ Reading and potentially writing of scripts in bash, perl, python, etc

Summary of Environment

The NOC tooling software stack is built from some off the shelf components, with some custom automation tooling and some bespoke tools, all of which sit on RHEL 6.7.


CMDB+ - THE NMS Configuration Management Database - a bespoke database system with hooks into most of the other tools.
NNMi (Network Node Manager) the MicroFocus Network Management System - relies heavily on SNMP (v2 and v3)
NA (Network automation) the MicroFocus Network Configuration Management tool - regularly takes snapshots of network device configs
Synapse - bespoke syslog and SNMP trap receiver, with custom parsing and correlation rules built in.
OML (Operations Manager for Linux) - an event aggregator and correlator which receives events from NNMi and Synapse, and requests SM9 tickets where necessary.
TACACS+ - an Authentication, Authorization and Accounting protocol - we use the open source tac_plus
Most of these systems rely on Database back ends, so DBMS knowledge would be useful.