Windows/linux server admin Jobs

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codelogicx technologies —West Bengal
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Head of IT - Networking

codelogicx technologies -
West Bengal

Apply Now

Job details

Full-time

Benefits

Provident Fund
Health insurance

Qualifications

BCS
ITIL Certification
Microsoft Access
Azure
Computer Science
CCNP
Ansible
OSPF
Encryption
CISSP
Information Systems
Windows
CCIE
CISM
Firewall
DHCP
Bachelor's degree
ITIL
IDS
Splunk
BGP
LDAP
DNS
ISO 27002
Network architecture
MPLS
ISO 27001
VMWare
Linux
Cisco ASA
Python
PowerShell
IaaS
Active Directory
Intune
VPN

Full job description

Job Information

Date Opened

26/05/2025

Job Type

Full time

Industry

IT Services

City

kolkata

Province

West Bengal

Country

India

Postal Code

700091

About Us

We are a fast growing technology company specializing in current and emerging internet, cloud and mobile technologies.

Job Description

CX is a product engineering services company and has launched many successful products for its clients since its inception. Many of these products have been running since 2013. We're looking for Head of IT Infrastructure owns the stability, security, scalability, and cost-effectiveness of all core technology services for Codelogicx. You will lead a small team of engineers and vendors to design, implement, and operate our on-prem and cloud-connected networks, servers, storage, identity platforms, and perimeter security (firewalls, VPN, IPS). Your mission is to deliver “five-nines” availability, strong cyber-resilience, and a friction-free user experience that enables every business function to perform at its best.

Requirements

Key Responsibilities

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.

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).

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.

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

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.5–A.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.

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

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 mindset—drive automation and self-service to reduce MTTR and service tickets.

Required Qualifications

Education: Bachelor’s 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 technologies—ILL, MPLS, SD-WAN—and 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.

Benefits

Health insurance.
Hybrid working mode.
Provident Fund.
Parental leave.
Yearly Bonus. Gratuity.

Years of experience: Minimum 5 years
Location: Kolkata

Full time.

Apply Now

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