Senior System Administrator

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.
• 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 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.
• Strong 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.