HEIDER ABASS ABDALLA NIMER
Wad Madani,Sudan
Summary
Senior Network Engineer and Technical Leader with over 13 years of experience architecting, implementing, and optimizing complex network infrastructures. Proven expertise in developing comprehensive network designs and documentation, ensuring the reliability and performance of LAN/WAN environments. Adept at bridging the gap between engineering and security; skilled in conducting thorough security assessments to identify vulnerabilities and deliver actionable recommendations for both data and voice networks. A decisive leader in incident response, proficient in firewall management, device hardening, and high-pressure triage to maintain operational integrity.
Overview
18
18
years of professional experience
2012
2012
years of post-secondary education
1
1
Certification
Work history
S.Network Engineer Operations Central & Eastern of
STC
RIYADH, SAUDI ARABIA
2019.01 - 2026.01
- Maintained high-availability ISP network services, ensuring the stability and performance of core infrastructure and customer access products.
- Monitored network performance metrics daily to proactively identify issues and optimize functionality.
- Led network troubleshooting and root cause analysis efforts, coordinating hardware repairs and vendor escalations to minimize downtime.
- Managed the full lifecycle of trouble tickets, ensuring timely resolution and effective communication with carriers and internal stakeholders.
- Deployed and maintained network monitoring and analysis systems to enhance visibility and proactive incident detection.
- Executed configuration changes in strict adherence to change control processes, ensuring network integrity and compliance.
- Installed and configured network hardware and software to support growth and infrastructure refreshes.
- Participated in Cisco-centric operations management projects, contributing to large-scale network optimization and lifecycle initiatives.
Network Engineer for HBU
STC - Contact Centre Company (TMC Project)
Riyadh, Saudi Arabia
2014.01 - 2019.01
- Provided tier 2 support to field technicians by managing inbound requests for copper network maintenance, ensuring timely diagnosis and coordination of repairs.
- Served as the primary point of contact for field service teams, facilitating remote troubleshooting and dispatching for copper infrastructure issues.
- Resolved maintenance tickets for field technicians using network systems including Huawei U2000, Alcatel, Nokia, Siemens, and Comptel.
- Addressed phone issues ranging from dial tone problems to supplementary services for B2B and B2C customers.
- Modified ports and line circuits as required.
- Activated ADSL/VDSL ports, ensuring signal browsing and VoIP functionality.
- Updated customer information on FO-tools and inventory after confirming signal and dial tone functionality at technician’s end.
- Utilised various NMS systems such as Huawei2000, Alcatel AMS, and PBX technology to support operations.
SPECIALIST NOC FTTX ENGINEER
STC
2014.01 - 2015.01
- Assisted with incident management and problem resolution within production systems.
- Supported the execution of changes on production systems and escalated unresolved issues promptly.
- Provided technical support and effectively handled escalations during operations.
Network Engineer
Operations & Technologies (OTC)
2013.06 - 2014.06
- Assisted with project tasks for Jizan Secretariat under guidance of Damad Municipality.
- Supported installation and maintenance of network systems at physical and data link layers.
- Conducted troubleshooting for network connectivity using ping, tracert, and telnet commands.
- Collaborated with users, specialists, and staff to gather requirements and address issues.
- Contributed to leadership of technician team and assisted in drafting maintenance reports.
Human Resource Manager
Ali Aldhilay Sons Company for Gen. Cont. (L.L.C)
2013.01 - 2013.04
- Collaborated on project initiatives in partnership with Saudi Aramco, assisting with the implementation and maintenance of network services.
- Served as a key technical resource for projects involving Saudi Aramco, facilitating smooth integration and service assurance.
- Supported human resources planning initiatives.
- Contributed to selection and recruitment processes.
- Aided in evaluation of employee performance.
- Helped manage the promotions process.
- Facilitated training and human resources development efforts.
- Assisted in planning career paths for employees.
TI photocopier technician
Institute KC
Kolkata, India
2012.03 - 2012.04
- Problems and organized in the network
Technical lead
Institute E.C.S
Hyderabad, India
2010.03 - 2010.05
- Of Computer Maintenance and laptop
Technical support engineer
COMPANY OWNI NET
Khartoum, Sudan
2008.06 - 2009.05
- Installation of networks
- Extended networks
- Maintenance of networks
- For Maintenance and network
Education
BACHELOR OF SCIENCE -
I.T SIKKIM MANIPAL UN
INDIASkills
- Cloud systems management
- Virtual private networks
- Wireless communication understanding
- Encryption technology proficiency
- IT vendor relations
- Network monitoring tools
- Network cabling knowledge
- Vendor relationship development
- Network configuration
- CISCO switches and firewalls
- Troubleshooting
- VPN encryption
- Security Analytics tools
- Hardware and software configurations
- Security technologies
- Network troubleshooting
- Network operations
Certification
- CERTIFIED Cisco (CCNA) CERTIFIED NETWORK ASSOCIATE
- CERTIFIED Cisco (CCNP) CISCO CERTIFIED NETWORK PROFESSIONAL
- CERTIFIED Cisco Certified Specialist (ENTERPRISE CORE) Cisco ID : CSCO11396867
- CCIE Enterprise Infrastructure Lab In progress Cisco ID : CSCO11396867
- CERTIFICATE CCNA DC (DCICN, DCICT) INDIA 2016 Introducing Cisco Data Center Networking & Introducing Cisco Data Center Technologies
- CERTIFICATE NSE Institute network Security Associate 2020
- CERTIFIED Microsoft (MCP) MICROSOFT CORPORATION
- DIPLOMA ZOOM TECHNOLOGIES OF NETWORKING 2007 TO 2008 HYD –AP-INDIA
- 1- A+: HARDWARE OF COMPUTER SINESECE
- 2- MCSE: MICROSOFT CERTIFIED SOLUTIONS EXPERT
- 3- EXCHANGE SERVER
- DIPLOMA A.K TECHNOLOGIES TECHNICAN- CCNP FROM JUN 2008 TO SEP 2008
- CERTIFICATE PHOTOCOPIER TECHNICIAN, TROUBLESHOOTING, NETWORK
- CERTIFICATE LAPTOP CHIP LEVEL REPAIRING
- DIPLOMA SPEAKEASY FOR ENGLISH SKIL
- CERTIFICATE SHARP NEC HIPERWALL System
PERSONAL EXPERIENCE
English: WRITING, SPEAKING, LISTENING
Proficient (C2)
Arabic : WRITING, SPEAKING , LISTENING
Proficient (C2)
Hindi : SPEAKING , LISTENING
Intermediate
PERSONAL EXPERIENCE
- Good communication with other and well dealing with client
- Sincere & hard work and cooperative
- Adaptation with any job in computer & networking
- Well dealing with situations and getting over problems
Timeline
S.Network Engineer Operations Central & Eastern of
STC
2019.01 - 2026.01
Network Engineer for HBU
STC - Contact Centre Company (TMC Project)
2014.01 - 2019.01
SPECIALIST NOC FTTX ENGINEER
STC
2014.01 - 2015.01
Network Engineer
Operations & Technologies (OTC)
2013.06 - 2014.06
Human Resource Manager
Ali Aldhilay Sons Company for Gen. Cont. (L.L.C)
2013.01 - 2013.04
TI photocopier technician
Institute KC
2012.03 - 2012.04
Technical lead
Institute E.C.S
2010.03 - 2010.05
Technical support engineer
COMPANY OWNI NET
2008.06 - 2009.05
BACHELOR OF SCIENCE -
I.T SIKKIM MANIPAL UN