Network Security and Operations Engineer
Motorola Solutions
Total years of experience :16 years, 11 Months
Successful Implementation of Information Security controls and process under ISO/IEC 27000:2013, ISO/IEC 27001:2013, ISO/IEC 27002:2013
Responsible for the Cyber log analysis, identification of threats and vulnerabilities in the network
Hands on experience in implementation of Information Security Management System (ISMS)
Responsible for completing the documentation of the investigation; determine the validity and priority of the activity and escalate to security teams
Practical experience with network security devices/systems, e.g. firewalls, IDS, IPS, SIEM and Splunk analysis tool
Security threat analysis, incident management, risk evaluation and response
Maintaining and analysis of McAfee/Antivirus and software patches update to keep the system up to date
Plan for technology development, including risk, and evaluate the system design against mission requirements, and identify where competitive prototyping and other evaluation techniques fit in the process
User Access Management, System Access, and provisioning by using Active Directory Domain Controller Provisioning System
User Enabling and providing access to the File Share System, and managing all requests through the change management approval process
Audit and reporting on User and System Access to maintain security and changing access levels on the basis of requirements and permissions
Management of product life cycle, recommendation, and implementation of new security products and SW/HW enhancements
Responsible for technical management of a network operation, ensuring that agreed service levels are met and all relevant procedures are adhered to
Maintains and communicates the network strategy for managing information, ensuring that uniformly recognized and accepted data definitions are developed and applied throughout the network
Technical expertise in Cyber Intelligence, Active Directory, Provisioning Systems, Configuration Management Tool, Cyber Security & Risk Management, network design, Windows & Linux Operating System, Juniper Firewalls, FortiGate (100D and 1000C), IBM IDS XGS3100, Server Backup & restore, Window Active Directory (AD), Network monitoring & analyzing tools, media & logging servers, VMware 5.x, CCNA (Routing & Switching), Splunk, IDS, IPS and Intelligence tools
Provides technical expertise to enable the correct application of operational procedures. Uses network management tools to determine network load and performance statistics
Contributes to the planning and implementation of maintenance and installation work. Implements agreed on network changes and maintenance routines
Identifies operational problems and contributes to their resolution, checking that they are managed in accordance with agreed standards and procedures
Monitors system performance, recommends equipment modifications and changes to operating procedures, servicing methods, and schedules
Responds to requests for support by providing information to enable incident resolution and promptly allocates unresolved issues as appropriate
Responsible for technical reviews and analysis of post implementation KPI’s to stakeholders and senior management
Resolves faults down to line replaceable unit level and escalates according to procedures
Develops maintenance schedules and approves equipment upgrades and modifications
Ensure compliance with all program requirements and assesses all schedule risks and assist in mitigating all programs
Escalate promptly any issues and bottlenecks that may impact overall service level agreements
Technical analysis for pre (Ericsson/NSN) & post (Huawei) KPI's benchmarking for Vodafone network
Supporting Project Manager in control and refinement of the project's risk, scope, quality, schedule, communications, and integration plans
Assist as well as track Incident activities with project team and update action item registers, weekly reports, and schedules
• Worked (under project-specific NDA) with AT&T National design team on a Nationwide UMTS design Analysis project.
• Received a special design analysis process training using Atoll at the beginning of the assignment
• Tools Used: Atoll, Mapinfo.
• Analyzing/studying predictions and simulations for LTE/UMTS design, generating coverage and interference plots.
• Actively involved in network re-design and analyzing existing network infrastructure.
• Analyzed existing designs based on KPI thresholds determined by Ericsson and NSN.
• Performed theoretical optimization on existing LTE designs using Atoll and until the design met KPI thresholds.
• Performed Monte Carlo simulations in Atoll to observe the performance of the network before and after network selection.
• Used Atoll for RSCP, Ec/No predictions, identifying possible pilot pollution areas and simulating the affects of traffic on coverage and interference using Monte Carlo simulations.
• Participated in the LTE design of AT&T market using Atoll planning tool.
• Evaluated existing LTE designs that utilized UMTS assets and determined suitability for LTE upgrade.
4G- RF DESIGN & OPTIMIZATION LEAD MOTOROLA - IRELAND,
MOTOROLA CENTRAL PROFESSIONAL SERVICES TEAM 2010 (Aug)-2011(April)
• RAN performance team in delivery of world class WiMAX network performance management for Wireless and Wifi mesh Broadband 4-G technology.
• Executed a LTE trial network with Vodafone Ireland in which a LTE sites has been integrated for the product description, coverage and analysis.
• Expertise in deployment of indoor and outdoor Fiber optics cable, optical loss testing, fault management and visual tracing.
• Expertise in VOIP, SIP and PSTN implementation and roll outs.
• Leading the Nationwide WiMAX RF Network Planning and Optimization, Turn-Key Solutions.
• Perform link budget analysis, site build verification and acceptance, design criteria and traffic analysis. Identify & resolve all coverage and RF design deficiencies in the network.
• Undertake network performance improvement (KPIs) and optimization tasks. Coordinate of improvement activities with network optimization and network design teams.
• Monitoring and optimizing Key Performance Indicators (KPI’s) of assigned region.
• Drive testing in dedicated, idle, and frequency scanning modes to identify and resolve quality as well as coverage related issues
• Analyzing field measurements using TEMS Investigation, ACTIX Analyzer and Optimizing database parameters to fine tune network performance.
• Regular analysis of SD and TCH traffic on regional level to ensure minimal blocking and over/under utilized cells/clusters.
• BSS Statistics monitoring having a check on MTL, ATER and GPROC utilization to avoid any degradation of grade of service.
• Performing neighbor audits of assigned clusters/cities to improve handover success ratios and optimize neighbor list.
• Using Agilent Spectrum Analyzer to identify external interference issues
• Project Implementation Kickoff and initial hands on implementation including customer interaction.
• Executing RF - ATP’s for sites which include all Physical aspects of the sites, CSSR, noise interference, neighbor definition, CPE network entry, data Tput and validation.
• Performed and validation of RF LLD’s for the expansion of sites in addition to the new elements in the network.
• Manage the Drive Test report on weekly basis and responsible of analyzing the issues of drop call, quality and coverage and other factors that hits the KPI, s
• Consult with senior management to establish policies & procedures to reduce the overall MTTR and improve GOS for Customer/Network issues. Take complete ownership and ensure continuous tracking to meet the targets.
• Analyzing log files for network health for QoS: RxQual, RxLev etc and CSSR, Handover etc.
• Expert in site survey and location analysis and generating risk / assessment reports.
• Identifying problems such as drop calls, handover failures, sector swaps and low power TRX etc.
• Studying Traffic behaviors and Proposing Solutions / efficient modifications.
• RF Coverage, Traffic and Capacity re-designing and timely escalations of issues.
• WiMAX RF Planning using Atool, ICS Telecom nG and Hydra Tools for Wateen/Witribe and Mobilink operators.
• Managing RF and LOS surveys of more than 900 Sites in Phase I, II of Wateen Telecom.
• Project Implementation and Designing of new sites.
• RF KPIs creation and producing KPI Test Procedures.
• Planning WiMAX Network for WAP 400 Series Access Points (DAP- Diversity Access Point) based on IEEE 802.16e 2005, and Ultra Light Access Point (ULAP - Canopy 3500).
• RF Planning and Optimization for the WiMAX Network (More than 800 Sites planned till date) to meet Coverage and Capacity KPIs.
• Responsible for site selection for WiMAX Access Points to meet the coverage and capacity requirement of the polygons after analysis.
• Conducted Nominal, SAR and TSSR visits and related field activities.
• Carrying out drive tests for optimization and issue resolutions.
• Nominal and final Height, Azimuth, Tilt etc. planning.
• Performed site visits for Indoor / Micro cell planning.
• Responsible for consolidation of RF sites NDV and NSV surveys.
• Optimization of existing WiMAX sites through Spectrum analysis.
• Regular Drive Test analysis and reporting.
• RF Planning and acquisition of new cell site.
• Radio network design for various roll out plans of MOBILINK PMCL.
• Identification of RF/Network problems in TEMS log files.
• Problem identification using long-term trends and event relations.
• Identify reasons of poor network quality and suggesting changes in RF frequencies/ hopping sequences/Neighbors/ antenna orientations and tilts etc., to overcome the Quality issues.
• Troubleshoot system problems such as Handover failure, Frequency-related issues, and Interference. Identify causes of RF interference, make recommendations and provide solutions for reducing interference.
• Independently managing all field related activities like SAR, TSSR etc.
• Independently managing drive test teams for optimization and ensuring issues are resolved.
• Supervised complete Planning and Optimization and ensured customer acceptance.
• Traffic optimization Prepared recommendations for underutilized sectors.
• Drive Test using TEMS (Test Equipment for Mobile System) for Mobilink Network to check Coverage, Connectivity, No Audio, Cross Talk, and Site Inspection Reports (SIRs) on daily basis.
• Frequency Scanning using TEMS to check the frequencies issues in network
• Manage the Drive Test report on weekly basis and responsible of analyzing the issues of drop call, quality and coverage and other factors that hits the KPI, s
• Responsible of complete analysis and recommendation of KPI’s
• Spectrum Analysis using Net Tektronix YBT 250 Interference Analyzer
• Daily analyzing cell stats and carrier stats and responsible for reporting issues regarding network
Cyber Risk Management, Cyber Operations, Information System, Information Security
Engineering Management, System Engineering, Judgement and Decision Making, Quality Operations Management System, System Analysis, Project Management
CGPA: 2.92