Arnab Bera

Dynamic, results-driven OSS Solution Architect with 18+ years of end-to-end service delivery experience — from presales and RFP response through architecture design, deployment, and operations of Ericsson OSS and VAS products — across APAC, Europe, MEA, and Africa. Proven ability to architect and deliver complex, multi-domain OSS solutions spanning physical (pENM), virtual (vENM), and cloud-native (cENM) variants for Tier-1 operators. Deep hands-on expertise across OSS domains including Fault Management, Performance Management, Configuration Management, Network Inventory, and Service Provisioning/Activation.

Skilled at translating C-level business requirements into scalable OSS architectures, and at driving REST/SOAP, NBI/SBI, and TM Forum-aligned integration strategies. Brings strong architectural ownership, exceptional attention to detail, and comfort presenting to both technical and non-technical audiences.

Senior Solution Architect (OSS) / Technical Project Manager - Ericsson Telecommunications Inc. - Singapore, Philippines, Brunei, Pacific Islands

(2021-12 - 2025-02)

• Served as Principal OSS Architect for multi-domain solutions covering service provisioning, fault management, performance monitoring, network inventory, and network optimisation.
• Led delivery teams across India and China for architecture and deployment of ENM (Network Manager), ENIQ (Performance Intelligence), OMBS, SON, and AIM product suites.
• Managed hardware/software commissioning, CSOG compliance, and scheduled vulnerability remediation cycles — ensuring infrastructure readiness at all project stages.
• Drove RFP and proposal lifecycle for add-on sales — aligning customer requirements to Ericsson OSS portfolio and delivering technical solution documentation.
• Supported data validation activities including KPI definitions, configuration baselines, and monitoring threshold reviews aligned to customer SLA commitments.
• Owned end-to-end OSS architecture governance for Smart Communications (Philippines) — managing risk registers, milestone tracking, budgets, and C-level stakeholder communications across all programme phases.
• Maintained implementation plans and critical path tracking — proactively identifying delivery risks, resolving blockers, and coordinating across internal engineering, operations, and network teams.
• Managed full deliverable acceptance lifecycle including review coordination, compliance verification, and formal sign-offs for ENM, ENIQ, OMBS, SON, and AIM product deployments.
• Led User Acceptance Testing (UAT) — developed acceptance criteria, coordinated test cycles, validated results against functional and operational requirements, and obtained final customer approvals.
• Served as primary architecture interface with external vendors and partners — managing SLAs, escalations, and change requests through formal approval workflows.
• Managed GEO-RED core ENM deployments across Pacific markets — coordinating FCAPS management and multi-vendor node integration with zero unplanned downtime.

Solution Architect (OSS) / Project Manager - Ericsson India Pvt. Ltd. - Kolkata, India

(2015-08 - 2021-11)

• Applied PRINCE2 methodology for structured governance of large-scale OSS deployments — managing change control, risk registers, dependency tracking, and stage-gate reviews for Bharti Airtel and Bhutan Telecom programmes.
• Delivered E2E architecture and project management for ENM, ENIQ, OMBS, and SON products — from solution design and costing through resource planning, stakeholder coordination, and post-go-live support.
• Led Bharti ENIQ SOL to LINX Migration (July 2021): coordinated cross-functional stakeholders, managed cutover plan, and ensured zero unplanned downtime — recognised for 'Act to Execute – Accountability'.
• Drove RAN Rollout Acceleration for Bharti/Airtel (Sept 2021) — named 'DGS Hero' for delivery speed and quality, coordinating multi-geography teams against accelerated timelines.
• Led Bharti ENM/ENIQ delivery (Dec 2020 & June 2021) and Bhutan Telecom ENM/ENIQ upgrade (May 2021) — both recognised for 'Act to Execute – Accountability' excellence.
• Led Bharti ENIQ20 Upgrade Programme (Oct 2020) — recognised for 'Act to Accelerate – Agility'; delivered Ducting Solution initiative (June 2020) reducing architecture cost — recognised for 'Act to Accelerate – Simplification'.
• Managed GEO-RED core ENM deployments and NBI integrations with Infratel, Indus, OneFM, Micom, Mobinet, Cisco SON, ESPA, and Arieso-Geo — ensuring dependency-aligned delivery timelines.
• Implemented DevOps and CI/CD automation for ENM integration — reducing manual effort by 50% and improving service activation time by 30%.
• Reviewed technical deliverables to ensure alignment with functional and operational requirements — catching integration dependencies and mitigating risks to delivery timelines.
• Maintained complete programme documentation — decision logs, meeting notes, action trackers, status reports, and risk/issue registers — across all programme lifecycle phases.
• Recognised with 9 Ericsson achievement awards across 2019–2021 for architecture and programme delivery excellence, accountability, and customer-focused leadership.

Senior Solution Integrator - Ericsson India Pvt. Ltd. - Kolkata, India

(2011-08 - 2015-08)

• Led systems integration in Multimedia & Service Layer — overseeing installation, testing, acceptance, and handover for major OSS products across multiple customer environments.
• Key deliveries: MPS-13B for Vodafone PAN India; ADC-5.0 for Mascom Botswana (onsite); ADC-4.4.10 for Aircel India; MPS11 Mobile Positioning System for Bharti Airtel India; MiO for Movinet Venezuela (remote).
• Coordinated cross-functional acceptance activities — validating test results, managing punch lists, and securing formal customer sign-offs on all delivered systems.
• Contributed to requirements gathering, use case documentation, and integration testing — building expertise across OSS product integration and API dependencies.

Senior VAS Engineer - Comverse Network Solutions India - Kolkata, India

(2010-10 - 2011-07)

• Managed installation, upgrade, and maintenance of Comverse SMSC product for Aircel Kolkata — including acceptance testing and operational handover.
• Ensured SS7 link configuration and routing per ITU-T standards; configured new MSISDN series across PAN India for seamless MO/MT message flow.
• Coordinated with vendor and customer technical teams to resolve integration issues, maintain SLA compliance, and document system configuration baselines.

Senior Engineer – SI Delivery Lead - Alumnus Software Ltd. - Kolkata, India, Global Onsite Delivery

(2007-03 - 2010-09)

• Led the SI Delivery team managing remote and onsite installation, support, and maintenance for global telecom vendors including Seamless Distribution Systems AB (ERS, VeriFone terminals) and Roamware.
• Deployed Roamware products (OM, SCA, SC, MCA, GA) and third-party stacks (Oracle 8i/9i, Solaris, JASS, DKSeptel/Dialogic) across Africa and international markets.
• Onsite project deliveries: Zain DRC (2008), Celtel Gabon (2008), Mcel Mozambique (2007), Celtel Chad (2007), Celtel Malawi (2007), Celtel DRC (2007), Gosoft Bangkok (2010), BP Stockholm (2009), BSNL Kolkata (2009).
• Managed full project lifecycle from pre-deployment planning through installation, acceptance testing, go-live, and documentation handover — across 9 international projects.

Telecom Engineer — NOC / OSS Support - Ericsson India Pvt. Ltd. (Contractual) - Kolkata, India — Dishnet Wireless

(2005-01 - 2006-12)

• Maintained OSS system documentation including configuration records, incident logs, and operational handover reports.
• Provided onsite NOC support, fault analysis, and alarm monitoring for live customer networks, developing strong operational expertise in Ericsson OSS environments.
• Performed core node DT loading, node integration, ENIQ data loading, BI report generation, PM/CM data reporting, and participated in OSS upgrade activities.
• Maintained OSS system documentation, including configuration records, incident logs, change records, and operational handover reports.
• Assisted in the commissioning and integration of new network elements into the OSS environment.
• Generated daily, weekly, and monthly network performance reports to support capacity planning and operational decision-making.
• Performed health checks of OSS servers, databases, and applications to ensure system availability and operational stability.
• Assisted in software patch implementation, system backups, and post-upgrade validation activities.
• Monitored and analyzed PM (Performance Management) and CM (Configuration Management) data to identify network trends and optimization opportunities.

M.Tech - Information Technology - Bengal Engineering & Science University, Shibpur (2005 - 2008)

B.E. - Electronics Engineering - North Maharashtra University, Jalgaon (1999 - 2003)