Network Engineer Load Balancing

Mohammed Abdul Salman

+1-872-***-**** **************@*****.*** Houston, TX Linkedin

PROFESSIONAL SUMMARY

Results-driven and CCNA-certified Network Engineer with over 4+ years of experience in designing, deploying, and supporting enterprise-level network infrastructures. Proven track record of managing routing, switching, load balancing, and network security in both pharma and IT services environments. Strong problem-solving, client-facing, and troubleshooting abilities with a passion for continuous learning and delivering high availability solutions. Skilled in collaborating with cross-functional teams, maintaining network uptime, and managing vendor coordination.

TECHNICAL SKILLS

Networking & Protocols: TCP/IP, Subnetting, VLSM, NAT, DHCP, DNS, ACLs, VLANs, STP, RSTP, HSRP, EtherChannel

Routing & Switching: Static, RIP, EIGRP, OSPF, BGP, Cisco Routers 2800/3800/7200, Catalyst 3560–6500, Nexus 5K/7K

Security & Firewalls: Cisco ASA 5500, PIX, Checkpoint, Juniper SSG520, Switch Port Security, VPNs

Load Balancing & Wireless: F5 BIG-IP LTM/GTM, NetScaler, Cisco CSS/GSS, Cisco WLAN Controllers, Aironet APs

Monitoring Tools: Wireshark, Packet Sniffer, SolarWinds Orion, Cisco Works, MRTG, SNMP, SYSLOG

Servers & OS: Windows Server 2012/2016/2019, Windows 10/11

Administration: Active Directory, GPOs, Infoblox IPAM, ServiceNow

Tools: CDP, TELNET, PING, TRACEROUTE, Riverbed WAN Optimization

PROFESSIONAL EXPERIENCE

Sr Network Engineer

Astellas Pharma, Westborough, MA

Dec 2024 – Present

Designed and deployed secure and scalable network solutions aligned with business objectives and compliance.

Managed routers, switches, firewalls, and wireless access points to maintain high network performance.

Handled IP address planning and management using Infoblox, improving tracking and audit readiness.

Delivered Tier 2/3 technical support and troubleshooting using ServiceNow ticketing system.

Supported lab and facility networking requirements to ensure minimal disruption in R&D operations.

Collaborated with cross-functional teams and vendors to plan and implement upgrades or patches.

Conducted regular monitoring of network health, logs, and alerts to identify and prevent issues proactively.

Key Achievements:

Reduced troubleshooting turnaround time by 30% through improved escalation workflows.

Led a cross-departmental initiative to document network topology, improving onboarding and audits.

Network Engineer

Accenture, Hyderabad, India

Apr 2020 – May 2023

Installed and configured F5 BIG-IP LTM/GTM for load balancing across distributed applications.

Managed Cisco ASA/PIX/Checkpoint/Juniper firewalls, performing rule analysis and security audits.

Administered high-availability environments with EIGRP, OSPF, BGP routing, and VLAN segmentations.

Configured and maintained Cisco routers and switches in large-scale enterprise networks.

Integrated QoS, multicast, and bandwidth optimization strategies for business-critical applications.

Used tools like Wireshark, SolarWinds, and MRTG to monitor and troubleshoot real-time issues.

Supported VoIP and Polycom-based conferencing systems and ensured seamless WAN optimization with Riverbed.

Key Achievements:

Decreased network latency by 20% through routing protocol optimization and link balancing.

It played a key role in data center firewall migration with zero downtime during cutover.

PROJECT HIGHLIGHTS

Enterprise IPAM Revamp – Astellas Pharma

Redesigned the IP address management system using Infoblox, consolidating fragmented address blocks and enhancing visibility across 3 business units. This resulted in 95% IP usage accuracy and simplified troubleshooting.

High Availability Infrastructure Setup – Accenture Client

Led the deployment of redundant Cisco routers and load balancers across primary and DR sites. Achieved 99.99% uptime and improved failover response by 40%.

CERTIFICATIONS

Cisco Certified Network Associate (CCNA)

Cisco Certified Network Professional (CCNP)

EDUCATION

Master of Science in Data Analytics Indiana Wesleyan University, USA – 2024

Bachelor of Technology in Information Technology (JNTUH), India – 2021

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