About the role

Engineer responsible for planning, execution, and verification of complex MantaRay NM upgrades at Nokia. Ensuring minimal service disruption and optimal performance across various deployment flavors.

Responsibilities

Develop comprehensive upgrade plans, including risk assessment and contingency planning, for MantaRay NM systems across Baremetal, VMWare, and OpenStack environments.
Lead and execute MantaRay NM software and hardware upgrades, patches, and migrations, ensuring minimal disruption and optimal performance.
Perform pre-upgrade health checks, data backups, and post-upgrade verification, performance testing, and system optimization.
Troubleshoot and resolve complex technical issues encountered during or after MantaRay NM upgrades.
Create and maintain detailed documentation of upgrade procedures, configurations, and post-upgrade reports, communicating effectively with stakeholders.
Act as a Subject Matter Expert for MantaRay NM upgrade processes, providing technical guidance and mentorship to junior engineers.
Possess extensive hands-on experience (7+ years) with the Nokia MantaRay NM system, including a strong understanding of its components.
Demonstrate proficiency in Linux OS administration (including shell scripting), database systems (Oracle, PostgreSQL, SQL), and network protocols.

Extensive MantaRay NM System Experience with proven hands-on experience (7+ years) with Nokia MantaRay NM system administration, configuration, maintenance, and a track record of successfully planning and executing major MantaRay NM upgrades.
MantaRay NM Component Understanding: Strong understanding of MantaRay NM components (e.g., CM, PM, FM, SM, Reporter) and their interdependencies.
Linux OS Administration proficiency in Linux OS administration, including shell scripting.
Database Knowledge of database systems (e.g., Oracle, PostgreSQL) and SQL.
Problem-Solving & Analytical Skills, excellent troubleshooting and diagnostic capabilities for complex system issues, with the ability to identify root causes and implement effective solutions.
Python Scripting experience with Python for automation.
Application Containerization (Docker) familiarity with containerization technologies like Docker.
Industry Certifications relevant industry certifications (e.g., ITIL, Linux, Oracle, Cloud certifications).

Flexible and hybrid working schemes
A minimum of 90 days of Maternity and Paternity Leave, with the option to return to work within a year following the birth or adoption of a child (based on eligibility)
Life insurance to all employees to provide peace of mind and financial security
Well-being programs to support your mental and physical health
Opportunities to join and receive support from Nokia Employee Resource Groups (NERGs)
Employee Growth Solutions to support your personalized career & skills development
Diverse pool of Coaches & Mentors to whom you have easy access
A learning environment which promotes personal growth and professional development - for your role and beyond