Overview: TekWissen 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.
- Solid 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 ID / Azure AD
- Microsoft Intune
- VDI
- Basic PowerShell 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.
- Robust decision-making skills with the ability to work under pressure.
- Strong ownership of infrastructure availability, security, performance, and business continuity.

TekWissen Group is an equal opportunity employer supporting workforce diversity.

📌 Senior System Administrator (Visakhapatnam)
🏢 Tekwissen India
📍 Visakhapatnam