Mohamed Hawas
Sr. Netwerk Consultant
Erfahrungen
Sr. Netwerk Consultant
HHR
To align with governmental regulations and adhere to best practices recommended by Gartner's Zero Trust Network Segmentation, HHR's data center was segmented to enhance security and mitigate risks.
Implemented Nutanix Flow FW segmentation for IT and Intune FW segmentation for OT environments.
Secured both IT and OT environments by implementing network macro/micro-segmentation.
Used Fortigate, Aruba Pensando, Intune, Nutanix Flow Security.
Applied PowerShell scripting for VM tagging, Postman for configuring policies on Pensando, and Terraform for Nutanix Flow.
Achieved secure datacenter network communication, reducing the possibility of cyber-attack events.
Solution Architect Networking
KVK
Developed and implemented comprehensive network architecture and guidelines for the company's infrastructure.
Conducted extensive research to refine network service definitions, incorporating new trends and technologies.
Collaborated with cloud and domain architects, acting as a central knowledge hub for network technology.
Authored a solution architect document detailing the implementation of SD-WAN technology to interconnect data centers and office locations.
Delivered a robust network architecture and guidelines document adopted company-wide.
Produced a high-quality SD-WAN interconnection strategy, resulting in seamless integration of data centers and office locations.
Used Cisco DC R&S, SD-WAN, ACI, TOGAF 9.2, Zero Trust, Micro segmentation to reduce MPLS bandwidth usage and improve SaaS performance.
Sr. Netwerk Specialist
SSC-ICT
Facilitated deployment of SDN technology and managed migration to Cisco ACI within the data center environment.
Addressed and rectified network automation issues causing outages and operational disruptions.
Collaborated with network operation and automation teams to improve integration and performance.
Built new DC using ACI technology and maintained operation for existing shared DCs.
Diagnosed problems within the existing network automation framework.
Executed MPLS network integration projects using Ansible playbooks for MPLS/BGP changes, CLI for CE routers, and Terraform for ACI.
Migrated DC locations to ACI technology, resulting in better performance for automation tooling and fewer network outages.
Used Cisco DC R&S, ACI, Ansible, Python, GitLab, achieving less outages and improved network performance at DC locations.
Solution Architect Networking
Police
- Built a highly secure and robust campus network using BGP/OSPF protocols.
Sr. Netwerk Specialist
Cognizant Technology Solutions
Coordinated network migration implementation among Cisco Advanced Services, Accenture, and internal teams.
Created detailed micro designs for system migrations within the data center.
Provided SME network consultancy services for Allianz Technology clients and business units.
Implemented migration projects from FabricPath to ACI and managed external connections (BGP/OSPF).
Provided migration plan for Citrix SDX load balancers and redesigned the OOB network for high redundancy and security.
Achieved better application experience and higher user satisfaction rates for business units.
Used Cisco DC R&S, Citrix load balancers, IPv6, Python, ACI, and microsegmentation to reduce change lifecycle time and enable micro segmentation.
Sr. Netwerk Specialist
Cognizant Technology Solutions
Led migration project teams for ERIKS, providing HLD and LLD documents for global locations migration.
Provided onsite technical implementation and ensured design compliance with business guidelines.
Seamlessly migrated 67 locations across Europe and North America to the new infrastructure without interruption.
Used Cisco R&S, Python, and ACI, with Python scripts to push configurations to a large number of switches.
Resolved connectivity issues, enabling users to access better-performing business applications.
Sr. Netwerk Specialist
Cognizant Technology Solutions
Designed and implemented guest Wi-Fi and remote office networks for ABN AMRO Clearing Bank across Europe and APAC.
Worked with ISPs to implement network changes.
Delivered secure mobility for guest users and reliable data communication for end users.
Simplified the network landscape, enabling higher business continuity and deployment of agile applications.
Used Cisco Unified CM, VRFs, MPLS, OSPF, WLC 5508, WLC 3504, and AP SSO HA.
Sr. Netwerk Specialist
Routz
Prepared and planned the migration of three data centers to Equinix, introducing a network design in the planning phase.
Implemented data coupling with Azure and liaised with system admins, ISPs, and vendors during test and validation.
Resolved all issues during operation, migrating five main locations with Aruba Wi-Fi, Aruba network infrastructure, and Skype for Business interconnected via L2 MPLS (VPLS).
Built a new twin datacenter providing manageability, high availability, and flexibility for applications.
Used Checkpoint, Aruba switching, Aruba wireless, VRFs, MPLS, and L2 switching to enable cost savings and ROI.
Cybersecurity Consultant
Shell via CGI
Designed and implemented secure network solutions for industrial control systems (ICS) at upstream gas locations of NAM.
Supported incident response activities and coordinated with IT and IRM stakeholders.
Managed and maintained a secure ICS, ensuring compliance with Shell DEP and ISA99 standards.
Delivered resilient ICS architectures during innovation and capital projects, interfacing with operations for planned activities.
Integrated system security requirements into procurement specifications and contract agreements.
Integrated new ICS subsystems from Yokogawa, Schneider Electric, Honeywell, and Siemens into existing infrastructure without interruption.
Used PCAD portal, WhatsUp Gold, Infoblox IPM, WSUS, ePO, Symantec, Cisco, Fortigate, FortiAnalyzer, FortiManager, Checkpoint, and KiWi to ensure continuous gas production and no security incidents.
Network Engineer
Rijkswaterstaat via Croon B.V.
Designed and implemented backbone fiber networks to serve traffic management subsystems along highways A15 and Coentunnel projects.
Translated HLD into LLD and implemented network requirements in collaboration with system custodians and project phasing departments to ensure no downtime.
Decommissioned old networks and connected new traffic systems, providing extra dark fibers for third-party use.
Achieved improved traffic flow and safety, reducing accidents and delays.
Used Cisco L2 Switching, AutoCAD, Visio, WhatsUp Gold, fiber optic batching design, and Wireshark.
AVAYA System Engineer
KPN B.V.
Tested and implemented AVAYA Unified Communication networks for ING Bank remote locations, ensuring uninterrupted voice services.
Configured servers and media gateways, conducted FAT and SAT, and staged systems for maintenance handover.
Deployed AVAYA Communication Manager, Session Manager, System Manager, Session Border Controller, and G series gateways for CAK central office in Den Haag, including AVAYA DECT solution for mobile users.
Delivered new functionalities, increased system capacity, and replaced obsolete telephony systems.
Achieved higher collaboration, better call center performance, and robust unified communication services.
Zusammenfassung
Mohamed is an experienced Network Specialist with over 17 years in data networking, IT Infrastructure, and Cybersecurity. He has developed hands-on expertise in building large-scale networks and designing robust data center environments. Throughout his career, Mohamed has gained valuable experience maintaining and operating MPLS core networks, along with implementing migrations using the BGP Routing Protocol. His skills in network optimization and protocol management were further honed during his work on SSC-ICT Projects, where he focused on ensuring high-performance and reliable network operations. As Lead Network Engineer at Croon B.V., Mohamed successfully designed and implemented optical backbone networks for major infrastructure projects for the Dutch government. He also contributed to Shell's ICS Cybersecurity Team at CGI, where he developed security solutions to protect Industrial Control Systems from Cyber Threats. Mohamed is skilled in automation with Python, Terraform, and Ansible, using these tools to improve network management and efficiency. His ability to streamline processes and automate routine tasks enhances his effectiveness in managing complex network environments. With his solid engineering skills, hands-on experience, and focus on delivering scalable and secure network solutions, Mohamed is well-positioned to contribute to any network and security project. His practical approach and deep knowledge of network infrastructure make him a valuable asset to any organization.
Sprachen
Ausbildung
TU Delft University of Technology
MSc Mobile and Wireless Communications · Mobile and Wireless Communications · Delft, Niederlande
Zertifikate & Bescheinigungen
Designing Cisco Enterprise Wireless Networks (ENWLSD)
Fortinet Certified Associate Cybersecurity
Aviatrix Certified Engineer (ACE) Multicloud Network Professional
Implementing Cisco Application Centric Infrastructure – Advanced (DCACIA) V1.1
Implementing Cisco Application Centric Infrastructure (300-620)
CCNP Enterprise
ASE Flex Network Integrator
CCNA - Security
AVAYA Aura Communication Manager
CCDP CISCO
CCNP Routing & Switching
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