L2_L3_Inrastructure Engineer - 8-10 years

Tachyon Technologies

Website: tachyontech.com
Job details:

Systems Administrator (L2/L3) – Infrastructure Operations (Offshore)

Remote

Work Timings: Need support till 1 AM IST (3 PM - 12 AM IST)

 

Role Summary:

We are seeking two experienced Systems Administrators to support enterprise infrastructure operations during U.S. business hours. This role is execution-focused and responsible for day-to-day administration, troubleshooting, patching, monitoring, and operational support across identity, endpoint, virtualization, and security platforms.

This position supports a U.S.-based IT Operations team and must demonstrate strong documentation discipline, security awareness, and escalation judgment.

 

Core Responsibilities:

Identity & Access Administration

•Active Directory user and group lifecycle management

•Entra ID (Azure AD) user administration

•Hybrid identity troubleshooting (AD Connect)

•Group Policy creation and troubleshooting

•Conditional Access support

•MFA issue resolution

•BitLocker recovery key management

•Role-based access control (RBAC) enforcement

 

Endpoint & Device Management

•Microsoft Intune administration

•Autopilot enrollment & provisioning support

•Device compliance monitoring

•Endpoint troubleshooting

•Patch coordination & verification

•Encryption policy validation

 

Server & Platform Operations

•Windows Server administration (2016–2022)

•DNS & DHCP management

•File share & NTFS permissions troubleshooting

•Certificate support

•VMware vSphere VM provisioning & maintenance

•Snapshot management

•Resource troubleshooting

•Backup job monitoring & failure remediation

 

Networking Support

•VLAN troubleshooting

•Switch port diagnostics

•Firewall rule validation (in coordination with network team)

•Wireless SSID/user issue resolution

•Basic packet flow understanding

•Provide L1/L2 support for Fortinet (FortiGate/Switch/AP) and Cisco infrastructure.

•Manage ISP circuit outages, including ticket opening and vendor follow-up.

•Troubleshoot VPN connectivity (Zscaler, FortiClient, and Site-to-Site tunnels).

•Hands-on experience with FortiOS or Cisco interface

 

Security Platform Support

•Tanium agent health validation & query execution

•Patch module support

•Zscaler user authentication & policy troubleshooting

•Endpoint encryption verification

•Support vulnerability remediation efforts

 

ITSM & Operational Discipline

•FreshService ticket ownership (incident, change, problem)

•Change documentation & validation

•Root cause summaries

•Knowledge base updates

•SOP maintenance

•Escalation when appropriate (no silent failures)

 

Required Qualifications

•5–8+ years Systems Administration experience

•Strong Active Directory & Group Policy expertise

•Experience with Intune and modern endpoint management

•VMware administration experience

•Windows Server administration

•Working knowledge of Tanium and/or similar endpoint management platform

•Working knowledge of Zscaler or similar secure web gateway

•Intermediate PowerShell scripting

•ITIL familiarity

•Strong written English communication skills

 

Preferred Qualifications

•Experience supporting multi-site environments

•Exposure to vulnerability management remediation

•Experience working within structured change management processes

•Experience in security-conscious environments

•Documentation-focused mindset

 

Key Competencies

•Strong troubleshooting methodology

•Sound escalation judgment

•Security-first mindset

•Detail-oriented documentation habits

•Ability to work independently with minimal supervision

•Comfortable operating within defined guardrails and access controls

 

Work Structure

•U.S. business hour coverage required

•Operates under defined access controls and RBAC policies

•Production access granted via least-privilege principles

•All changes must follow documented change control procedures

Click on Apply to know more.