Operation & Maintenance Engineer

****-****

Responsible for managing a team and maintaining Ericsson's switches, evolved packet core networks and intelligent Network, including Data Centers and core sites and managing overall Value-Added Services & IT services functions and driving the company's technology strategy.

Demonstrated experience in operational readiness, project management in telecom field with a deep understanding of operational readiness methodologies and practices.

Follow the enhance telecom operation process to define targeted systems & processes based on business goals and customer needs.

Working experience of 2G, 3G, 4G, LTE and 5G networks. Good understanding of Packet core, IMS and 3GPP network.

Initiate activities in data centers or local exchanges. Launch site survey with dedicated reports for feasibility of new equipment.

Influenced with site managements to adopt a new strategy of examine elements that result 99.9% smooth implementation.

Preparation and Presentation of MOPs. Study of HLDs/LLDs to verify 100% of existing configuration with design to prevent from any fallback during upgrade or update.

Ensure continuous improvement of the services by implementing enhancements. Perform data analytics tasks across the service, leveraging ML, AI, and automation.

Supervise MDT/TCN for the PS nodes, and implement migrations, expansion and changes in PS & IN nodes.

Perform change Management, HW, and SW Upgrades. Hardware replacement and Fault report, 5G HW & Software PAT.

Reduced the processing time 20% of incidents report to ensure that the KPIs are achieved 80% within the scope of the SLA.

Performed the system administration and O&M of Core network nodes, including upgrades, preventive and critical maintenance activities on 24/7 environment.

Established documents for all the new services launches in production & create the process for various work flows.

Capable of achieving 99.999% annual core network availability through operational excellence.

Increased the team’s efficiency by improving the process and procedure through automation, which resulted in reducing the overall time spent on the backup procedure by 80%.

SERAJ A. KHAWAJA

Wisconsin 920-***-**** *******.**********@*****.*** Professional Summary

I am an accomplished and results-driven IT/Telecom professional with over 15 years of experience working with renowned mobile operators and vendors like Saudi Telecom, Lucent Technologies, Avaya Communication, Ericsson Saudi Arabia, and PTCL in Pakistan. I have expertise in project rollouts, commissioning 2G/3G/4G/LTE/5G, and Operation and Maintenance. As a certified Project Management Professional (PMP), strong hands-on experience in maintaining various network services, including Packet Switching, Intelligent Networks, Core Networks, and VAS services. I have also work on implementing and maintaining value-added services, switches and servers. Key Skills

Project management Project Planning Time Management Operations Management Project KPIs & SLA Problem analysis Communication skills Installation & configuration Interpersonal skills Analytical skills Decision-making skills TCP/IP models, SQL, IP addressing, DHCP, DNS, WINS, VPN, IPv4 and IPv6. Education

MBA in Telecom Management 2016

Bachelor in ELECTRICAL 2003

Certifications

Certified Project Management Professional (PMP) 2020

Certified CCNA (Cisco Certified Network Associate) 2020 Professional Experience

Ericsson, Saudi Arabia

Operation & Maintenance TL, Support Engineer

Ericsson, Saudi Arabia 2011-2017

CORE NETWORK ENGINEER

Collaborated with Ericsson MS to support all O&M activities Acceptance, upgrade, updates, and E2E troubleshooting of CS, PS and IN core Networks. Technologies using SGSN, GGSN, MMEs & EPGs Nodes, HSS, IP/MPLS, MPBN, SSR, PCRF and IN Network, Dell, HP and juniper servers, CSNMT, CCN, NGVS, IVR and Cisco SI routers, ECE & Disaster Recovery for OCS.

Conducted daily tickets, PMR & WOs IFS Field Service Management. Use an understanding of drawings to work with the design team from concept to the final product.

Supervised O&M of all GPRS nodes (Ericsson MME, EPG, Radius AAA, DNS. Traffic migration, system upgrade, and Fault Analysis. Backup And restore.

Recommended upgrades, patches, troubleshot network performance issues and created/ maintained a recovery plan, extended technical support/ guidance, to ensure smooth operation of Core network services in order to provide 99.9% performance and availability for usages.

To make sure the KPIs are met and fall within the parameters of the Service Level Agreement (SLA), problems were reported on several platforms.

Facilitated Interface handling, Fault isolation, and troubleshooting at exchanges, Jeddah and Madinah Data Centers. Saudi Telecom Company 2002-2011

Senior Telecom Engineer (GSM-O&M, Project Coordinator)

Responsible for all GPRS nodes (Ericsson SGSN, GGSN, AXD330 FR switches, Huawei SGSN9810 & GGSN9811 and DNS IP works, Net screen firewalls, Radius IP/MPLS from Operation & Maintenance point of view.

Performed testing of LTE trial with Ericsson and Huawei Networks team.

Maintained and documenting the configuration of the system, for improving and adapting existing subsystems and systems for application to new and future customer requirements.

Coordinate the Roaming department to resolve International roaming issues.

Good working knowledge of TCP/IP/ATM. Coordinate for Rehome of Gb over IP.

Collaborating with other department leaders to define, prioritize, and develop projects. Communicate to vendors, and complete the running project on time.

Avaya communication, Saudi Arabia 2000-2002

Operation Support Engineer GSM Value-added services

Developed the Lucent GSM First voicemail Data IMA-Sera network for Saudi Telecomm (STC) in all over the Kingdom. This includes Riyadh, Dammam, and Jeddah clusters.

Deploy the service and O&M support of SMSCs & CBC in to STC networks.

Recommended upgrades, patches, troubleshot network performance issues and created/ maintained a recovery plan, extended technical support/ guidance, to ensure smooth operation of Value-added services in order to provide maximum performance and availability for usages.

Lucent Technologies, Saudi Arabia 1998-2000

Network Integration Engineer

Responsible to Implement 5ESS Switches at different locations in KSA.

Coordinate during Y2K Project and formalized to DELOAD Analog Switches to Digital Switches.

Played a vital role as a single point of contact (SPOC) between cross-functional teams, vendor/operator management, program managers, and stakeholders.

Pakistan Telecom Corporation Limited, Pakistan 1994-1998 O&M Engineer Digital Transit Exchange

Perform Zoning, coding, and routing for different destinations.

Transit Exchange management. Expansion of Line Trunk Group (LTG). PROFESSIONAL TRAINING AND COURSES

Professional course “TELECOM ENGINEERING”, RTTS Pakistan.

5G Evolved Packet Core, MMEASMS NEW (5G – MME, EPC).

5G Delivery and Solutions, 5G Core Network Architecture (5G – D&S).

5G Core Business Potential (5G).

Kubernetes Cloud Native Ecosystem.

Cloud Packet Core Overview.

EPC Fundamentals-Operation & Maintenance, System Architecture.

Voice Services over LTE/EPC, Ericsson.

SAPC Operation, Configuration and Troubleshooting, Ericsson.

Attend Core training course EPG 2 Operation, Configuration and Troubleshooting.

Completed the course IMS 15 Overview from Ericsson Academy.

Sun Solaris, Sys Admin, Shal Program.

BTC820H CA/SIERRA system, California, USA.

O&M for Huawei Packet Switching SGSN & GGSN & NE40 Basic Datacom. PROJECT ACHIVEMENTS

Packet Switch HW upgrade Project.

Plan and recommend preventive action and executed the project as per project implementation plan. OCS Installation Project.

Initiate the project, analyze requirements and executed defined tasks to achieve project goals. Disaster Recovery Solution Project.

Acceptance and testing of project deliverables with the customer as per the contractual scope of work. VAS-NOC Project,

Initiated VAS operations (GPRS, and all VAS Services) engineer’s team management, distributing tasks, technical supervision. VAS-OMX Project,

Executed acceptant test (PAT) of OMX. New idea to deliver Voice Mail form of Multimedia, Video, E-mail and Fax. Resolved all issues and put in service OMX into STC Network.

VAS-SMS Project,

Led to installed, testing and commissioning of SMSCs clusters from LogicaCMG and install SS7 ITP Cisco Routers with it. Roam ware Project,

From 2005 to 2006 responsible for Operation and Maintenance. Monitoring of Roam-ware services and coordinating with Venders to resolve the issues.

SMSC & CBC Project,

During 2003 to 2005 involved to install, testing and commissioning of two new SMSC clusters for SMSC4.6 from LogicaCMG and install two new SS7 ITP Cisco Routers with it.

Make all operation tasks for VAS equipment (SMSC, CBC &VMS, and ITP SS7 Cisco router). First Voice Mail System Project,

Routine monitoring and preventive maintenance of our IMA-CA System. First Voice Mail System in the Kingdom. TEP6, 7 & Y2K Project,

Implementation of 5ESS Switches at different locations in Saudi Arabia. Off load Analog switches with Y2K Digital Switches.

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