Job Description

Level 3 Senior Systems Engineer

Location: Remote - SA Applications ONLY
Company: Netsurit
Type: Full-Time

About Netsurit

Netsurit is a global Managed Services Provider helping organizations grow, secure, and innovate with technology. Our mission is to Support the dreams of the doers — freeing our customers from day-to-day IT burdens so they can focus on building their businesses.

We're looking for a highly skilled L3 Systems Engineer to join our Connecticut team. This role is ideal for someone who thrives in an MSP environment, enjoys solving complex infrastructure challenges, and wants to work across modern cloud, security, and on-prem environments.

The L3 Microsoft Systems Engineer will be responsible for:

• Designing, implementing, migrating, and supporting Microsoft Server and Microsoft 365 environments
• Delivering infrastructure, disaster recovery, and security projects
• Providing advanced technical and escalation support
• Working directly with customers to resolve issues and improve their IT environments
• You will operate across both project delivery and advanced support in a fast-paced MSP environment.

Key Responsibilities

Infrastructure, Cloud & Projects

• Plan and execute projects including server deployments and migrations
  
  Exchange / Microsoft 365 migrations
  Azure and hybrid infrastructure implementations
• Design, implement, and manage:
  Disaster Recovery solutions (Datto, Veeam, SaaS backup, BDR)
  Azure / O365 environments
  
  Cybersecurity best-practice standards
• Act as Project Lead or Technical Lead on:
  
  ERP migrations and implementations
  
  MSP platform deployments and standardization initiatives

MSP Platforms & Tools

• Implement and manage MSP platforms including:
  ConnectWise Manage, Automate, ScreenConnect, Sell
  
  IT Glue, Keeper Security, DNSFilter, DUO, Mimecast, SentinelOne, Datto, Verkada, Unifi
• Assist in standardizing and optimizing client environments across the Netsurit stack

Support & Operations

• Provide L2/L3 escalation support for servers, Microsoft 365, networks, endpoints, and security platforms
  
  Diagnose and resolve issues via phone, email, and ticketing system
  
  Track and manage support requests according to SLA and ITIL practices
  
  Maintain technical documentation and system records

Networking & Systems

• Troubleshoot LAN/WAN, switches, routers, firewalls, and connectivity
  
  Support DNS, SPF, DKIM, DMARC, and email deliverability
  
  Plan and implement patch management and application deployments
  
  Participate in a rotating after-hours support schedule

Required Skills & Experience

• 3+ years in a technical support or systems engineering role ( 5+ years preferred)
  
  Recent hands-on experience with:
  Microsoft 365 / Exchange migrations
  Disaster recovery and backup solutions (Datto, Veeam)
  
  Firewalls and email security solutions
• Strong experience with:
  Windows Server, Microsoft 365, Azure
  
  PC/laptop deployment and troubleshooting
  
  Networking fundamentals (TCP/IP, DNS, routing, switching)
• Proven ability to design and implement infrastructure solutions
  
  Experience working across multiple industries
  
  Strong troubleshooting, documentation, and customer-facing skills

Preferred Qualifications

• A+, Server+, Security+, Microsoft certifications
  
  Cybersecurity certifications
  
  Associate's or Bachelor's Degree in IT or related field
  
  Experience with Windows Server, Microsoft 365, Azure, and networking infrastructure

What You'll Get at Netsurit

• Work with a high-performance global MSP team
  
  Exposure to enterprise and mid-market environments
  
  Opportunity to work on cloud, security, and transformation projects
  
  Career growth in a company focused on innovation and modern IT services
  
  A culture that supports personal and professional goals

Artificial Intelligence Innovation:

Join Netsurit at the forefront of AI transformation—where technology meets ambition. Help us design, implement, and scale intelligent solutions that empower our clients to automate processes, uncover insights, and accelerate growth. Leverage tools like Microsoft Copilot, Azure AI, and custom machine learning models to turn data into meaningful business outcomes. Be part of a team thats shaping the future of AI-powered innovation.

Note to Agencies

Principals only. No recruiters, no agencies, no unsolicited services.