Summary
Overview
Work History
Education
Skills
Timeline
Generic

Abhishek Sharma

Noida

Summary

Dynamic Cyber Security Expert with a proven track record at Nokia Networks, specializing in vulnerability assessments and compliance auditing. Achieved a significant reduction in security incidents through innovative GRC frameworks and multi-factor authentication strategies. Adept at problem-solving and delivering tailored security solutions that enhance operational efficiency and risk mitigation.

Overview

17
17
years of professional experience

Work History

Cyber Security Expert

Nokia Networks
03.2020 - Current


  • Architected and executed end-to-end security architectures for Nokia telecommunications platforms, fortifying environments across Tier-1 Telco and global Enterprise clients, and realizing a measurable reduction in security incidents by [Percentage]% on a global scale.
  • Pioneered the development and operationalization of bespoke Governance, Risk, and Compliance (GRC) frameworks aligned with stringent telecommunications regulatory standards (3GPP, NIST, GSMA, NESAS), elevating risk mitigation capabilities and ensuring seamless audit readiness.
  • Directed and performed comprehensive Vulnerability Assessments and advanced penetration testing on Nokia RAN elements, core networks, and enterprise infrastructures—unearthing mission-critical vulnerabilities and driving the implementation of resilient remediation strategies.
  • Institutionalized Minimum Baseline Security Standards for Nokia systems, encompassing secure configuration management, robust access controls, and cryptographic software integrity validation in full accordance with Nokia’s published security standards.
  • Hardened global Active Directory deployments by embedding best-in-class security controls—including least privilege enforcement, multi-factor authentication, group policy optimization, and real-time monitoring—dramatically diminishing enterprise attack vectors.
  • Orchestrated the secure provisioning and lifecycle management of Red Hat Enterprise Linux (RHEL) servers for telecom and security workloads, integrating hardened baselines, minimal footprint installations, and enterprise-wide cryptography policy enforcement.
  • Engineered and deployed virtualized infrastructures to securely host critical Fortinet and Nokia security solutions such as FortiGate and NetGuard Cybersecurity Dome, ensuring isolation, scalability, and strict adherence to security engineering principles.
  • Designed and automated sophisticated cybersecurity process workflows—including incident response orchestration, patch lifecycle automation, and compliance analytics—delivering a [Percentage]% uplift in operational efficiency and incident response velocity.
  • Acted as the principal cybersecurity SME, providing advanced support to both internal engineering teams and international clientele on Nokia security ecosystems, adeptly resolving complex security challenges and delivering tailored, high-impact security configurations.
  • Authored, curated, and delivered high-fidelity technical documentation, security advisories, and executive-level briefings—effectively communicating advanced security concepts and operational best practices to diverse stakeholder audiences.
  • Exhibit expert fluency in deployment and operationalization of flagship Nokia solutions including NetGuard Cybersecurity Dome, IPsec Security Gateway, NetGuard Endpoint Detection and Response, and Certificate Lifecycle Manager, and their secure deployment blueprints.
  • Leveraged deep, hands-on expertise in RAN security, including defense of the air interface, advanced authentication mechanisms, and cryptographic key management, fostering a foundational understanding of the telecom threat landscape and preemptively closing security gaps prior to broader architectural engagements.


RAN Specialist

Nokia Networks
03.2018 - 03.2020
  • Designated as the Single Point of Contact (SPOC) and technical authority for AT&T’s USA market, orchestrating end-to-end deployment, integration, and configuration of Nokia 4G/5G networks utilizing the AirScale System Module with embedded security best practices.
  • Lead architect for network rollout strategy—collaborating directly with customer stakeholders to define and structure secure deployment blueprints, while formulating aggressive weekly and monthly targets for large-scale 4G/5G rollouts across multiple geographies.
  • Pioneer of automation-driven support and process optimization, building and executing robust 24/7 remote support frameworks; oversee resource management, project scheduling, cross-functional coordination, and real-time progress monitoring for flawless execution of nationwide deployments with consistent compliance to GRC requirements.
  • Instrumental in establishing and enforcing Governance, Risk, and Compliance (GRC) protocols—proactively aligning all deployment and operational processes with telco security regulations, industry standards (e.g., 3GPP, NIST, NESAS), and customer-specific security policies to ensure robust risk mitigation and audit readiness.
  • Subject matter expert in Factory Acceptance (FA) execution, advanced features implementation, cutting-edge technology trials, and rapid troubleshooting—delivering consistent excellence in secure network performance and customer satisfaction.
  • Proactively interface with multidisciplinary teams—design, scripting, NPO, and operational—translating complex business requirements and security controls into actionable solutions and technical deliverables tailored to dynamic customer needs.
  • Champion of continuous improvement, chairing weekly governance sessions with executive customers, facilitating comprehensive MOP (Method of Procedure) and security design reviews, and providing high-impact technical and security training to elevate internal team capabilities and deployment compliance.

Senior Engineer

Ericsson Global Services
09.2014 - 03.2018


  • Performed new eNB integrations, system module replacements, software updates, RF module swaps, RF sharing implementation, and day-to-day troubleshooting for Nokia eNB equipment.
  • Collaborated with Design, Transport, and Optimization teams to resolve deployment issues and keep projects on schedule.
  • Managed eNB integrations by handling customer complaints, throughput, and QoS concerns, developing effective solutions with input from the planning team within required timelines.
  • Conducted training sessions and informative meetings to support technology updates and ensured careful review of Methods of Procedure (MOPs) for reliable network implementation.
  • Consistently met KPIs, performed regular health checks, and addressed customer escalations to maintain smooth network operations.

Integration Engineer

Samsung India Pvt.Ltd.(Avion Payroll)
03.2014 - 09.2014
  • Executed remote eNB creation and integration for 3,000–4,000 sites using Nokia LSMR, handling carrier additions, field support, and Soft AT processes to enable scalable network rollouts.
  • Provided expert support and troubleshooting for eNB integration challenges—including site connectivity, software/firmware (SW/FW) anomalies, and configuration discrepancies.
  • Collaborated closely with the planning team to address and resolve end-user complaints, throughput bottlenecks, and QoS deviations—delivering timely, targeted solutions and minimizing operational impact.
  • Performed site modification activities, developed and validated multiple loop types, and ensured robust implementation through iterative testing and precise parameter adjustments.

Project Engineer

Nokia
06.2009 - 03.2014

Project Engineer

Global Lobal InnovSource
04.2008 - 04.2009

Education

Bachelor of Engineering -

University Institute of Technology, Barkatullah University
Bhopal
03-2008

Skills

  • Multi-factor authentication
  • Vulnerability assessment
  • Identity and Access management
  • Phishing awareness training
  • Software vulnerability scanning
  • Network security management
  • Endpoint protection platforms
  • Virtualization security
  • Threat modeling
  • Cybersecurity frameworks
  • Compliance auditing
  • Cloud security
  • Problem-solving

Timeline

Cyber Security Expert

Nokia Networks
03.2020 - Current

RAN Specialist

Nokia Networks
03.2018 - 03.2020

Senior Engineer

Ericsson Global Services
09.2014 - 03.2018

Integration Engineer

Samsung India Pvt.Ltd.(Avion Payroll)
03.2014 - 09.2014

Project Engineer

Nokia
06.2009 - 03.2014

Project Engineer

Global Lobal InnovSource
04.2008 - 04.2009

Bachelor of Engineering -

University Institute of Technology, Barkatullah University

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