Network & Security Engineer (Sr. Executive/Sr. Officer)

Full time IT / Software
Posted 2 days ago · 14 views
Application Deadline: 30 November, 2026

Job Overview

Vacancies
4 positions
Employment Type  
Full time
Category
IT / Software
Industry
Information Technology
Gender
Male
Age
At least 28 years
Job Location
Dhaka (Uttara)
Salary
৳ 30,000–60,000
Education
Bachelor / Graduation

Job Responsibilities

Job Context:

We are looking for a hands-on, self-motivated Network & Security Engineer to manage, optimize, and support our multi-vendor network infrastructure. In this role, you will be primarily responsible for end-to-end administration of Fortinet / FortiGate Firewalls, alongside routing and switching across Cisco, MikroTik, Juniper, Ruijie, ZTE, and H3C platforms.

 

You will deliver Level 2 (L2) and Level 3 (L3) technical escalation support, ensuring network availability, maximum security posture, and fast resolution of complex enterprise network incidents.

 

Job Responsibilities:

  • FortiGate Administration: Deploy, configure, manage, and troubleshoot FortiGate firewalls, including HA clusters, SD-WAN, IPS/IDS, Web Filtering, NAT, and IPsec/SSL-VPN deployments.

 

  • Multi-Vendor Network Operations: Provide hands-on configuration, firmware upgrades, and maintenance for enterprise routers, switches, and wireless gear from Cisco, MikroTik, Juniper, Ruijie, ZTE, and H3C.

 

  • L2 & L3 Incident Escalation: Diagnose and resolve complex escalated technical incidents (L2/L3) involving switching protocols (VLAN, STP, LACP, VXLAN) and routing protocols (OSPF, BGP, Static Routing, MPLS).

 

  • Security & Compliance Management: Implement network security rules, perform regular vulnerability audits, maintain access control policies, and oversee secondary firewalls (e.g., Cisco ASA/Firepower, Sophos XGS).

 

  • Network Performance Monitoring: Continuously monitor bandwidth, latency, and uptime using NMS tools (e.g., Zabbix, PRTG, FortiAnalyzer) to proactively address bottlenecks and hardware issues.
 
  • Familiarity with AAA/RADIUS, TACACS+, 802.1X, and Wireless LAN Controllers (WLC).
  • VMware vCenter, Esxi or other Virtualization platform managing experience will get advantages.

 

  • Documentation & Topology: Maintain detailed network diagrams, IP management schemes, standard operating procedures (SOPs), and change management logs.

Requirements

  • Age At least 28 years
  • Only Male
  • Experience: Minimum 4 to 6+ years of hands-on experience in Network deployment, Firewall Administration, and L2/L3 technical support in an enterprise environment. 
  • Core Firewall Hands-On: Fortinet (FortiGate) experience is mandatory. Hands-on experience with secondary enterprise firewalls (e.g., Sophos, Cisco Firepower/ASA, Palo Alto) will get advantages. 
  • Multi-Vendor Switch/Router Expertise: Direct operational experience with the following: Fortinet, Cisco, MikroTik, Juniper, Ruijie, ZTE, H3C. 
  • Fortinet: Fortinet NSE 4/NSE 5/NSE 6, or NSE 7 (or FCP / FCSS equivalents)-Mandatory 
  • Cisco: CCNA or CCNP (Enterprise / Security)
  • MikroTik: MTCNA (MTCRE / MTCINE is a plus)

Educational Requirement

  • Bachelor’s Degree in Computer Science, Telecommunications, Information Technology, or equivalent hands-on industry experience. 

Experience

  • 3 to 6 years
  • The applicants should have experience in the following business area(s): Software Company, IT Enabled Service, Multinational Companies, Group of Companies, Technical Infrastructure

Required Skills

Field Work Strong analytical and problemsolving skills. Strong Written and Verbal Communication Skills Troubleshooting Working under pressure

Apply for this Job

Network & Security Engineer (Sr. Executive/Sr. Officer)
SIMEC SystemLtd · Deadline Nov 30