Artificial Intelligence (AI), Cloud Computing, Customer Relations, Data Modeling, Data Recovery, Disaster Recovery, Documentation, ERP (Enterprise Resource Planning), Email Security, Email Technology, Endpoint Security, Firewalls, ITIL (IT Infrastructure Library), Identify Issues, Information Technology & Information Systems, Layer 3 Protocols, Machine Learning, Microsoft Exchange Server, Microsoft Product Family, Microsoft Windows Azure, Operational Support, Problem Solving Skills, Recruiting/Staffing Agency, Resolve Customer Issues, Sales, Security Infrastructure, Server Support, Service Level Agreement (SLA), Software Patches, Software as a Service (SaaS), Systems Engineering, Technical Leadership, Technical Support, Technical Writing
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.
Role Overview
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.