banglalink

Head of IT Network – Security Operations

banglalink

full-time

Posted on:

Location Type: Hybrid

Location: Dhaka • Bangladesh

Visit company website

Explore more

✨ AI Apply
Apply

Job Level

Lead

Tech Stack

CloudDNSITSMSwitching

About the role

  • Own and oversee enterprise network operations, including: Core, aggregation, access, and data center networks, LAN, WAN, SD-WAN, Internet, DC interconnects
  • Ensure high availability, performance, capacity, and scalability of all networks.
  • Define and enforce network standards, architectures, and operational procedures.
  • Lead network modernization initiatives (SDN, automation, IPv6, cloud connectivity).
  • Ensure monitoring of all service components, timely detection, and response.
  • Ensure effective incident response, resolution, and post‑incident root cause analysis.
  • Act as the single executive owner for: Major network or security incidents, Crisis management and executive communications
  • Chair Major Incident Reviews (MIR) and drive permanent remediation.
  • Ensure tight integration with ITSM processes (Incident, Problem, Change, Configuration).
  • Reduce repeat incidents and MTTR through analytics and improvement programs.
  • Ensure alignment with ISO 27001, NIST, ITIL, and local regulatory requirements.
  • Implement and maintain network & security controls aligned with risk appetite.
  • Support internal/external audits, regulatory reporting, and compliance assessments.
  • Own operational risk registers for network and security domains.
  • Define and manage SLAs, OLAs, and KPIs for network and security operations.
  • Ensure achievement of uptime, performance, latency, and security KPIs.
  • Lead continuous service quality and customer experience improvement.
  • Own operational technology roadmap for network & security platforms.
  • Manage strategic vendors and system integrators (OEMs, MSSPs).
  • Control operational budgets, licenses, support contracts, and renewals.
  • Lead RFPs, vendor evaluations, and contract negotiations.
  • Lead and mentor Network Operations and NOC/SOC teams.
  • Build 24×7 shift models, succession plans, and skills development programs.
  • Promote a strong security‑first and availability‑focused culture.

Requirements

  • B.Sc in CSE / ECE / ETE
  • 10-12 years of relevant experience with 5-6 years at a managerial role.
  • Must have WAF, ACI, GSLB, Secure Proxy, DNS-Sec, WLC, ISE experience
  • Basic Knowledge of GSM Technology & Architecture
  • Basic Knowledge of Transmission Design and Dimension
  • Sound knowledge of Information Security and IT Audit processes
  • Essential knowledge on: Cisco wireless routers and switching, Networking, Network Planning, designing, IP Network Basics, Wireless Communication, Security services ACL, IPS, NG-SIEM, EDR, Cisco security product ASA, NG-IPS/IDS, FTD-Firepower Threat Defense, f5 WAF etc.
  • Hands on knowledge of Data Center Passive & Active networking especially on Cisco Platform
Benefits
  • Health insurance
  • Professional development opportunities
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
network operationsSD-WANSDNautomationIPv6cloud connectivitynetwork standardsnetwork modernizationnetwork securitynetwork planning
Soft Skills
leadershipincident responsecrisis managementcommunicationmentoringcustomer experience improvementteam buildinganalytical skillsproblem-solvingstrategic management
Certifications
ISO 27001NISTITIL