Summary
Overview
Work history
Education
Skills
Websites
Certification
Accomplishments
Languages
Timeline
Generic

Suresh Challarapu

London

Summary

Experienced professional with focus on engineering and innovation. Capable of delivering high-quality solutions through expertise in design, analysis, and problem-solving. Committed to enhancing project outcomes by leveraging technical knowledge and collaborative approach

Overview

17
17
years of professional experience
4
4
years of post-secondary education
1
1
Certification

Work history

OSS Engineer

VMO2
Slough
07.2023 - 05.2025
  • Manage and support Nokia OSS applications, including NetAct, Traffica, and UDB (5G services).
  • Perform daily operations, including ticket handling, system health checks, and routine monitoring.
  • Execute Windows patch upgrades and perform backups for NetAct virtual machines (VMs).
  • Troubleshoot and resolve FCAPS (Fault, Configuration, Accounting, Performance, Security) issues.
  • Address backup-related issues in VMs, including ARC backup troubleshooting and recovery.
  • Provide emergency support during Out-of-Business (OoB) hours to ensure system availability.
  • Manage and implement Change Requests (CRQs) in accordance with ITIL change management processes.
  • Conduct hardware diagnostics and coordinate with vendors for fault resolution.
  • Oversee integration of 2G, 4G, and 5G network elements into OSS applications.
  • Deliver 2nd Level support for all Network Management System (NMS) applications.

Network Test Analyst

NTT Data
Slough
05.2022 - 04.2023
  • Responsible for end-to-end testing of 3G/4G/VoLTE/VoWIFI network.
  • Design test cases based on LLD and test strategy documents.
  • Analyze traces from Empirix and Wireshark tools and drive troubleshooting sessions with designers if any error is noticed.
  • Perform regression and ad-hoc testing requests for new CRs implemented.
  • Prepare test exit reports and handle defects with various teams.
  • Track defects through JIRA and HP ALM.
  • Collect device logs during UE device testing and share them with the vendor.

Solution Integration Specialist

Nokia
Bangalore, India
03.2013 - 03.2022
  • Supporting Clients - Three UK, Vodafone South Africa, Airtel Kenya, Vodafone Qatar, KPNG Belgium
  • Team Lead responsible for closing customer issues within SLA.
  • Expertise in NetAct 18, 19, and 20 versions, and support for upgrades and post-upgrade issue troubleshooting.
  • Strong troubleshooting skills for FCAPS issues without escalations.
  • Troubleshooting integration issues with Netcool and NBI alarms issues for Indus and HP.
  • Responsible for user management design activates in Cloud and linux servers.
  • Integration of VOLTE (CBAM, CBIS, CFX, SBC, TAS, MRF, NADCM), 2G, 3G, 4G, and Core network elements.
  • Administration of FCAPS and troubleshooting Fault Management and Configuration Management.
  • Handle L2 & L3 level tickets and manage a team of five members.
  • Perform daily system monitoring, data center environmental maintenance, and handle OS patches and upgrades.
  • rovide OSS support for various systems such as Nokia NetAct, Ericsson OSS-RC, 5620SAM, 8950AAA, and more.
  • Handle server shutdown, startup, internal alarms handling, troubleshooting, and fault rectification within SLA time frame.
  • Manage user creation, permission assignment, regular backups, security, and database management.
  • Automate routine tasks for operations efficiency.
  • Maintain operational and configuration procedures and data center equipment.
  • Participate in on-call duty service.
  • Troubleshoot and handle Care Cases in collaboration with the Care team.
  • Handle L2 & L3 level tickets.
  • Ensure healthy server performance, application functioning, housekeeping, user administration, and system administration.
  • Perform daily system monitoring, backup operations, and review of system and application logs.

OSS Engineer

Ericsson
Bangalore, India
07.2011 - 03.2013
  • Supporting Client : Bharti Airtel.
  • Provided support for various OSS applications including Ericsson OSS, UAS, ENIQ, BO, NESS, NEDSS, and OIS.
  • Responsible for addressing FCAPS issues.
  • Initiated backup to OSS server using DMR tool.
  • Troubleshot TSS user and CIF related issues.
  • Recovered data from Node (AXE) to OSS and ENIQ.
  • Managed file systems and user administration.
  • Conducted OSS upgradation and patch loadings.
  • Handled emergency situations and performed corrective maintenance in the network.
  • Provided support to various teams using OSS application.
  • Monitored and troubleshooted data loading in ENIQ server.
  • Played an active role in upgrading OSS RC servers from 10.2 to 11.2 and 12.0 in India.
  • Provided support for Business Objects Application.
  • Increased and decreased volume size and file system size (UFS and VXFS) as necessary.

System Administrator

Mentoris School of Management(ICFAI)
Hyderabad
11.2008 - 06.2010
  • Provided support in maintaining Labs in university.
  • Responsible of installation and troubleshoot windows & Unix Operating system in Lab.
  • Support in Patch and Package Management and File system management and User administration tasks.
  • Handling issues related to Server Monitoring, network monitoring and managing disk space issues.
  • Scheduling of automatic repetitive Jobs with Crontab.
  • Network and interface management and setting network speed settings on network interfaces.
  • Taking backups of files using tar and cpio.
  • Increasing and Decreasing the volume size and file system size (UFS and VXFS).
  • Working on various hardware and storage units.

Education

Bachelor of Science - Computer Science Engineering

JNTU Hyderbad University
India
09.2003 - 07.2007

Skills

  • OSS/NMS/EMS Tools:
  • Nokia: NetAct (v16 to 24R1)
  • Alcatel-Lucent: 5520 AMS, 5620 SAM (NFMP), NPO, COM, AAA, DXX
  • Ericsson: OSS, ENIQ, BIS, SOME, DXX, SOA
  • Operating Systems: Windows, Red Hat Linux, Unix
  • Cloud & Virtualization: AWS, OpenStack, VMware
  • Scripting Languages: Shell, Python
  • DevOps Tools: Git, GitHub, Jenkins, Ansible, Docker
  • Ticketing Tools: Helix (BMC Remedy)
  • Project Management Tools: JIRA, Confluence, MS Project
  • Productivity Tools: Microsoft Office Suite, Email Applications
  • Storage Solutions: EMC Avamar
  • Operating Systems: Windows, Red Hat Linux, Unix
  • Cloud & Virtualization: AWS, OpenStack, VMware
  • Scripting Languages: Shell, Python
  • DevOps Tools: Git, GitHub, Jenkins, Ansible, Docker
  • Ticketing Tools: Helix (BMC Remedy)
  • Project Management Tools: JIRA, Confluence, MS Project
  • Productivity Tools: Microsoft Office Suite, Email Applications
  • Storage Solutions: EMC Avamarosoft Office package

Certification

  • AWS Certified Sys Ops Administrator – Associate Level
  • Certified in Microsoft Certified Professional

Accomplishments

  • Awarded as 'Best OSS Support Engineer of the Year' in 2015.
  • Recognized as 'Best Performer of the Quarter' in 2015.
  • Awarded as 'Best Performer of the Quarter' in 2019.

Languages

Telugu
English
Hindi

Timeline

OSS Engineer

VMO2
07.2023 - 05.2025

Network Test Analyst

NTT Data
05.2022 - 04.2023

Solution Integration Specialist

Nokia
03.2013 - 03.2022

OSS Engineer

Ericsson
07.2011 - 03.2013

System Administrator

Mentoris School of Management(ICFAI)
11.2008 - 06.2010

Bachelor of Science - Computer Science Engineering

JNTU Hyderbad University
09.2003 - 07.2007

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