IT Security Professional

We are seeking a highly motivated and skilled Network Administrator with 2-3 years of experience to join our growing team in the medical billing industry. The ideal candidate will possess a strong technical background, excellent communication skills, and the ability to work under pressure while maintaining a high level of professionalism and organizational efficiency.

• Deep knowledge & understanding of AD, BDC Servers and Protocols & Services (TCP/IP, DNS, DHCP, VLANs, BGP, OSPF, and MPLS).
• Expertise in Wi-Fi networks, controllers, and enterprise wireless security.
• Proficiency with tools like SolarWinds, PRTG, Wireshark, and SNMP.
• Experience with VMware, Hyper-V, and software-defined networking solutions
• Proficiency in configuring, maintaining, and troubleshooting routers, switches, firewalls, and VPNs.
• Strong knowledge of backup, failover strategies, and redundancy planning.
• Strong ability to document configurations, and communicate technical concepts clearly.
• Maintain network documentation/Inventory file as per company protocols.
• Configuring and managing Linux network services (DNS, DHCP, FTP, HTTP, VPN, etc.).
• Setting up and maintaining firewalls (pfsense, iptables, firewalld, nftables).Using SNMP monitoring tools (Cacti, Zabbix, etc.)
• Configuring routing and switching protocols.
• Implementing VLANs, NAT, and subnetting.
• Installing, updating, and maintaining Linux distributions (Ubuntu, CentOS, Debian, RHEL, etc.).
• Monitoring system performance and logs.
• Ensuring high availability and failover mechanisms (HAProxy, Keepalived, etc.)
• Setting up and maintaining virtual machines (KVM, VMware, etc.)
• Implementing RAID configurations for data redundancy.
• Implementing and maintaining network security policies.
• Performing penetration testing and vulnerability assessments.
• Managing SSH access, certificates, and key-based authentication.
• VOIP System Installation, Configurations & Network Administration.
• Deploying and configuring VoIP servers (Asterisk, FreePBX, Cisco CUCM, 3CX, etc.).
• Setting up SIP trunks, PRI, and VoIP gateways, Configuring & Managing VoIP protocols (SIP, RTP, H.323, MGCP) IP phones, softphones.
• Ensuring QoS (Quality of Service) settings for optimal call quality.
• Monitoring bandwidth utilization and optimizing network performance for VoIP, Managing VLANs and QoS policies for VoIP traffic prioritization & Integrating VoIP with PBX systems and cloud telephony solutions.
• Preventing SIP-based attacks, configuring multi-factor authentication (MFA) and access controls for VoIP systems and Ensuring compliance with HIPAA.
• Diagnosing call quality issues (jitter, latency, packet loss) using tools like Wireshark. Resolving dropped calls, one-way audio, and codec mismatches. Monitoring VoIP systems using Nagios, Zabbix, or SolarWinds. Handling firmware updates and patchesfor VoIP devices.

Required Competencies:

• 2 to 3 years of experience as a IT Network Administrator
• Professional attitude and appearance.
• Follow company scripts and guidelines.
• Minimum Graduation in relevant field

Job Location:

• Lahore
• Willing to work in night shift

Gender:

• Male

Job Type: Full-time

Pay: Rs100,000.00 - Rs150,000.00 per month

Work Location: In person