Job highlights

- Required Qualifications . Education: Bachelors degree in Computer Science,Information Systems,or related field (or equivalent experience)
- Experience: 10+ years in enterprise infrastructure roles,including 3+ years managing teams and multi-site networks for ~300 users
- Experience integrating on-prem AD with Microsoft 365,Intune,and conditional access

Area

What Youll Own

Identity & Access
- Architecture, health, and lifecycle management of Active Directory, Azure AD, group policy, conditional access, SSO, MFA.- Joiner-Mover-Leaver processes, audit readiness, role-based access reviews.

Network & Perimeter
- Enterprise-class firewalls, routers, switches, load balancers, site-to-site VPNs, SD-WAN, and Internet Leased Lines (ILL).- Network segmentation, QoS, and continuous monitoring (NetFlow, SNMP, syslog, NMS).

Cloud & Compute
- Windows/Linux server estate (on-prem and IaaS), virtualization (VMware/Hyper-V), storage, backup, DR/BCP.- Collaboration with DevOps/SaaS teams to enforce landing-zone standards and secure connectivity.

Endpoint & Mobility EDR/XDR platform (e.g., CrowdStrike, Microsoft Defender, SentinelOne)u2014policy tuning, threat-hunting, incident response. Mobile Device Management (Intune, Workspace ONE, Jamf) for laptops, phones, and BYOD; device compliance & encryption enforcement.

Security & Compliance

- Patch, vulnerability, and endpoint protection strategy.- Firewall ruleset hygiene, IPS/IDS tuning, zero-trust and least-privilege principles.- Support for ISO 27001, SOC 2, GDPR, HIPAA, or similar frameworks. Own ISO 27001 controls (A.5A.18), evidence collection, internal audits,



and external surveillance & recertification audits. Map controls to SOC 2 / GDPR / HIPAA where relevant. Drive vulnerability management, patch cadence, zero-trust micro-segmentation. Maintain SIEM/SOAR integrations.

Strategy & Governance
- 3-year infrastructure roadmap, budget planning, vendor selection & contract negotiation.- KPIs/SLAs, capacity planning, license compliance, documentation, and policy enforcement.

Leadership & Support
- Mentor a team of network/system admins (3-6 FTE) plus MSP partners.- Escalation point for P1 incidents; manage major incident bridge, RCA, post-mortems.- User-centric mindsetu2014drive automation and self-service to reduce MTTR and service tickets.

Required Qualifications Education: Bachelors degree in Computer Science, Information Systems, or related field (or equivalent experience).

Experience: 10+ years in enterprise infrastructure roles, including 3+ years managing teams and multi-site networks for ~300 users.

Technical depth in

o Active Directory, Azure AD/Entra ID, GPO, LDAP, DNS, DHCP.

o Next-gen firewalls (Palo Alto, Fortinet, Cisco ASA/Firepower, etc.).

o Endpoint security platforms (CrowdStrike, Defender, SentinelOne, Falcon Insight, etc.).

o MDM/UEM suites (Intune, Workspace ONE, Jamf, or similar).

o Routing & switching (OSPF/BGP,



VLANs, spanning-tree, PoE, wireless controllers).

o WAN technologiesu2014ILL, MPLS, SD-WANu2014and ISP/vendor management.

o Virtualization (VMware ESXi/VCF or Hyper-V) and Windows/Linux server administration.

o Backup/restore and DR replication (Veeam, Zerto, or similar).

o Scripting/automation (PowerShell, Python, Ansible) and infrastructure-as-code concepts.

o Audit leadership for ISO 27001; familiarity with SOC 2 Type II reporting.

Certifications (any of): CCNP/CCIE, PCNSE/NSE 7+, Microsoft Entra ID or Azure Architect, VMware VCP-DCV, ISO 27001 Lead Auditor/Lead Implementer, CISSP/CISM, ITIL v4.

Preferred/Bonus Skills

Experience integrating on-prem AD with Microsoft 365, Intune, and conditional access.

Familiarity with zero-trust network architecture and micro-segmentation projects.

Exposure to SIEM/SOAR platforms (Splunk, Sentinel) and incident response playbooks.

Track record of cost optimization (cloud egress, telco contracts, license audits).

ITIL v4 certification and service-management process ownership.

Personal Attributes

Incident Commander: Calm, decisive, data-driven under pressure.

Problem-solver: Data-driven, automation-first mindset, relentless focus on root cause.

Leadership: Empowers and develops technical staff; calmly leads during outages.

Strategic thinker: Balances immediate fixes with long-term modernization.

Communicator: Translates tech risks and requirements into business language for executives.

Strategic Builder: Balances quick wins with long-term modernisation and cost-optimisation.

📌 Head of IT - Networking (Kolkata)
🏢 Codelogicx
📍 Kolkata