Karmanc Mahmud
Brackettville,TX
Summary
Successful Senior Network Engineer accomplished in managing enterprise-wide networks for large-scale operations. Plan, implement and continuously improve infrastructure and controls to stay on top of changing operational and security demands. Expert in disaster recovery and business continuity planning. Im an Information Technology professional with experience in designing, configuring and managing network solutions. I possess professional level experience at delivering network and security solutions with professional level certifications (CCNP R&S, CCNP Security). My experience cuts across healthcare, hospitality and telecommunications. I am a intelligent, purpose driven, vast and dynamic individual. I have great work ethic and excellent attitude to work. I take responsibility and facing difficult tasks. I have great interpersonal relationship skills and am very industrious.
Overview
11
11
years of professional experience
Work History
Sr. Network Engineer
Ardent Health Services
12.2018 - Current
- Monitored network activities to quickly detect and resolve operational and security issues.
- Led planning and technical design activities for routine operations and special projects.
- Managed purchasing and installation of networking equipment such as core routers and switches.
- Standardized processes and procedures for network maintenance and configuration changes, reducing errors and streamlining operations.
- Cisco ISE
- Project based work onboarding IoT medical devices on the network
- Configuration of Cisco Catalyst platforms & AireOS for RADIUS & TACACS
- Endpoint Profiling
- Authorization profiles & policies creation
- VPN Posturing ASA
- Network Admission Control (Cisco ISE) design and implementation (upgrades, design and deployment)
- Cisco SDA
- Deployment of Cisco DNA and various C9K switches
- Managing Digital Network Architecture – DNA
- ZTP – zero touch provisioning
- Asset Discovery and provisioning
- Automation using templates
- SWIM – Software Image Management
- Assurance
- Maps integration from Cisco Prime
- Cisco ISE integration
- Routing Protocols including BGP, OSPF, EIGRP and static routing
- WAN technologies – MPLS, DMVPN
- Managing and maintaining Cisco ASR and ISR routers, Cisco Catalyst 3K and 9K switches
- Managing Nexus 5K and 9K data center switches
- Cisco ASA Firewalls, Cisco FTD & FMC
- Cisco Smart Licensing Platform
- Managing discovery jobs using SNTC Collector
- Assets discoveries (Cisco hardware, routers, switches, APs)
- Cisco Meraki
- Deploying MX VPN gateways
- Designing and creating networks on the tail end device
- Integration (MX, Z series) with Cisco ISE and DOT1X device authentication
- Cisco Wireless Networking
- WLC Software Upgrades
- Access Point configuration & provisioning ((2602, 2702, 2802, 9120, 9130)
- Managing various Cisco WLC platforms (AireOS 5k series, C9k series)
- Fortinet SDWAN
- Deployment and configuration of Fortigate Firewalls
- Implementing security profiles and policies
- Deployment and configuration of FortiSwitch 201, 1048
- FortiAnalyzer
- FortiManager
- Extra Hop
- Deep packet inspection
- Analyzing network data flows
- LiveAction – manage netflow and analyzing traffic flows
- Documenting Network topologies using MS Visio
- Solarwinds
- Maintenance and monitoring of network nodes in Solarwinds
- Creating maps of network topologies in Network Atlas
- Adding assets to Solarwinds
- LogicMonitor
- Managing Network Assets for monitoring
- Network Discoveries using discovery policies
- Managing Cisco Webex Control Hub
Senior Network Specialist
Vanderbilt University Medical Center
03.2017 - 12.2018
- Coordinated with cross-functional teams to ensure seamless integration of new applications into the existing network infrastructure.
- Implemented regular backups and disaster recovery plans, safeguarding against data loss from unforeseen events.
- Troubleshot and maintained networking devices and infrastructure across enterprise.
- Streamlined troubleshooting processes, leading to faster resolution of connectivity issues.
- Maintenance of Cisco Catalyst C3750v2, C3750x, C3850 and C9300
- Initial configuration
- Etherchannel configuration and troubleshooting
- Spanning-Tree (PVST+)
- iOS firmware upgrades to Cisco recommended versions
- Investigating issues on the hardware (C3750, C3850, C6500, C7000, Nexus 3k)
- Maintenance of Cisco Nexus 2k and 5k in the data center fabric nexusOS software updates to Cisco recommended versions
- Investigating, troubleshooting, and resolving network issues on the client side
- Network violations
- Port configurations to the client needs
- Wireshark
- Packet capture and analyzing
- Wireless LAN
- Cisco Prime
- Lifecycle AP’s from 3502’s to 3702’s and 3802’s
- Wireless Troubleshooting
- Working with Change management to get critical work done on the network
- Using Netbrain to troubleshoot, document and design networks
Network/Desktop Technician
Gaylord Opryland Resort-The Marriott
08.2014 - 03.2017
- Reduced downtime by efficiently diagnosing and repairing malfunctioning equipment onsite.
- Ensured data security with regular backup procedures, antivirus updates, and system patches implementation.
- Contributed to business continuity planning by developing disaster recovery strategies for desktop systems in case of emergencies or natural disasters.
- Ensured optimal performance levels on servers through proactive monitoring/management activities that included patching/updating server operating systems.
- Daily interactions with designing and installing computer networks and cabling for convention network setups
- Maintain and troubleshoot network issues and Cisco devices (Catalyst 3850, Nexus 7K, Solarwinds) Setting up, maintaining, and troubleshooting wireless networks (Aruba, Airwave)
- Troubleshooting network issues to ensure efficiency of data traffic for clients and associates
- Inspect VLAN infrastructure and fix problems
- Do regular data backup on tapes (commvault, fspms, EMC)
- Configure, deploy, maintain, troubleshoot, and support computer workstations, laptops, printers, and telecommunication equipment
- Install and support PC and laptop hardware and software in BMC Remedy ticketing system
- Creating and updating user groups in Active Directory
- Responsible for performing repairs, installations, and maintenance on all property and above property-based technologies
- Install, configuration, troubleshoot and maintenance hotel’s way finding app
Telecommunications Specialist
Mobilcom BIS
10.2012 - 05.2014
- Oversaw successful installation projects, ensuring timely completion within budget constraints while meeting client specifications.
- Managed vendor relations effectively, negotiating favorable contract terms and strengthening partnerships for future collaborations.
- Prepared purchase requisitions to obtain networking and telecommunications equipment, computer hardware and software and test equipment.
- Championed company-wide adoption of cutting-edge technologies, fostering innovation in daily operations.
- Integration of VoIP Gateway "Patton Smart Node" on client network
- Installation, maintenance and repair of Siemens HiPath Systems, (500, 3300, 3350, 3500, 3550)
- DSL installations (Swisscom, Sunrise, Orange, Green)
- Configuration of various firewall and network setups (Cisco, Zyxel, Sonicwall, Fortigate)
- Highly involved in cross selling while setting up new services for clients
- Annual, semi-annual, and monthly meetings with clients to ensure client satisfaction
Education
Bachelor of Science - Business & Economics
College of Wessenbergschool
KONSTANZ, GERMANY05.2016
Skills
- Firewall Management
- Intrusion mitigation
- Wireless Network Design
- Routing Protocols Expertise
- Network Automation Tools
- LAN Configuration Management
- WAN Optimization Techniques
- VoIP Infrastructure Deployment
- DNS and DHCP Administration
- LAN switching technologies
- Network Troubleshooting Expertise
- DNS implementation
- Technical Skills
- Cisco ISE
- Cisco DNA
- Cisco Prime Infrastructure
- Cisco SNTC
- NetBrain
- ExtraHop
- LogicMonitor
- LifeAction
- Microsoft Office
(Word, Excel, Visio, Sharepoint, PowerPoint, Teams
Languages
German
Native or Bilingual
KURDISH
Native or Bilingual
English
Full Professional
Timeline
Sr. Network Engineer
Ardent Health Services
12.2018 - Current
Senior Network Specialist
Vanderbilt University Medical Center
03.2017 - 12.2018
Network/Desktop Technician
Gaylord Opryland Resort-The Marriott
08.2014 - 03.2017
Telecommunications Specialist
Mobilcom BIS
10.2012 - 05.2014
Bachelor of Science - Business & Economics
College of Wessenbergschool
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