Senior Systems Engineer

Remote, USA
Posted Jun 14, 2026
Full-time

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.

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