Senior System Administrator

Overview:
Tek Wissen Group is a workforce management provider throughout India and many other countries in the world.

Position:
Senior System Administrator

Location:

Visakhapatnam
Job Type: Full Time
Work Type:
Onsite
Shift Timing: 6:30PM-3:30AM (Night shifts)
Experience : 8–12 years

Job Description:

Key Technical

Skills:

Windows Server & Active Directory
Microsoft 365 / Office 365 Administration
Domain level integrations
Networking – LAN/WAN, TCP/IP, DNS, DHCP, VLAN, Routing & Switching
Enterprise Firewalls, VPN & Network Security, Rules
Enterprise Wi-Fi / Wireless Access Points
VMware / Hyper-V Virtualization, any other virtualization infra
Backup & Disaster Recovery
Endpoint Management & Security
Infrastructure Monitoring & Troubleshooting
IT Vendor / MSP Management
Incident Management and Root-Cause Analysis
ISO & other compliance and IT framework experience
Leadership & Professional

Skills:

Ability to lead and guide IT infrastructure/support team members.
Strong team coordination, task delegation and follow-up skills.
Ability to take ownership of critical IT incidents and infrastructure issues.
Good decision-making and problem-solving skills under pressure.
Ability to prioritize tasks based on business impact and urgency.
Strong communication and interpersonal skills with both technical and non-technical teams.
Ability to coordinate effectively with management, business teams, vendors and MSPs.
Proactive approach toward identifying infrastructure risks and implementing improvements.
Ability to work independently during the night shift and manage critical situations with minimal supervision.
Preferred

Skills:

Sophos Firewalls
Microsoft Entra  / Azure AD
Microsoft Intune
VDI
Basic Power Shell or scripting knowledge.
Microsoft Defender / Endpoint Security
Cybersecurity
Creates and maintains network diagrams, SOPs, runbooks and escalation procedures.
Relevant Microsoft, Cisco, Aruba, Fortinet or VMware certifications.

Qualifications:

Bachelor’s degree in Computer Science, Information Technology, or a related field.
8–12 years of experience in System Administration, IT Infrastructure, or Infrastructure Support.
Strong hands-on experience in Windows Server, Active Directory, networking, firewalls, virtualization, backup, and infrastructure security.
Strong leadership, ownership, communication, and problem-solving skills.
Ability to manage critical infrastructure issues independently during night shifts.
Strong decision-making skills with the ability to work under pressure.
Strong ownership of infrastructure availability, security, performance, and business continuity.
Tek Wissen® Group is an equal opportunity employer supporting workforce diversity.