Senior System Engineer

Franklin Fitch; Town of Huntington (NY); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Life insurance

401(k)

Travel opportunities

Job summary

Franklin Fitch is seeking a Senior Systems Engineer to design, implement and support IT infrastructure across multiple client environments on Long Island. You will manage Windows Server, Active Directory, Microsoft 365 and Azure, while deploying VMware vSphere and Hyper‑V virtualization and supporting networking and security solutions.

You will lead infrastructure projects, mentor engineers, and work directly with clients to understand requirements and propose optimal solutions.

Qualifications

• 5+ years of IT experience in an MSP or IT services environment.
• Strong hands-on experience with Windows Server, AD, MS 365 and related Microsoft technologies.
• Experience managing virtualised environments using VMware or Hyper‑V.
• Solid networking knowledge: TCP/IP, DNS, DHCP, VLANs, routing and VPNs.
• Experience configuring and troubleshooting firewalls and network security solutions.
• Proven experience with infrastructure projects, server migrations and backup/recovery solutions.
• Strong troubleshooting skills across servers, networking and cloud environments.
• Excellent communication skills and confidence working directly with clients.

Responsibilities

• Design, implement and support IT infrastructure across multiple client environments.
• Manage Microsoft technologies, including Windows Server, Active Directory, MS 365 and Azure.
• Deploy, maintain and troubleshoot VMware vSphere and Hyper‑V virtualization.
• Support networking infrastructure: firewalls, switches, routers, wireless networks and VPNs.
• Lead infrastructure projects: server migrations, upgrades, backups and DR.
• Mentor and guide other engineers on complex issues.
• Work with clients to understand requirements and propose solutions.
• Maintain accurate technical documentation and ensure projects are delivered effectively.

Skills

Windows Server

Active Directory

Microsoft 365

Azure

Networking

VMware vSphere

Hyper-V

TCP/IP

DNS/DHCP

VLANs

VPNs

Firewalls

Troubleshooting

Mentoring

Client communication

Tools

VMware

Hyper‑V

Fortinet

VPN

Job description

We are working with an established IT services organisation looking to add an experienced Senior Systems Engineer to its technical team.

What You'll Do

• Design, implement and support IT infrastructure across multiple client environments.
• Manage Microsoft technologies, including Windows Server, Active Directory, Microsoft 365 and Azure.
• Deploy, maintain and troubleshoot virtualisation platforms such as VMware vSphere and Hyper‑V.
• Support networking infrastructure, including firewalls, switches, routers, wireless networks and VPNs.
• Lead infrastructure projects, including server migrations, system upgrades, backup solutions and disaster recovery.
• Act as a senior escalation point for complex technical issues, providing guidance and mentorship to other engineers.
• Work directly with clients to understand their requirements, recommend solutions and improve existing environments.
• Maintain accurate technical documentation and ensure projects are delivered effectively.

What You'll Need

• 5+ years of IT experience, ideally within a Managed Service Provider (MSP) or IT services environment.
• Strong hands‑on experience with Windows Server, Active Directory, Microsoft 365 and related Microsoft technologies.
• Experience managing virtualised environments using VMware or Hyper‑V.
• Solid networking knowledge, including TCP/IP, DNS, DHCP, VLANs, routing and VPNs.
• Experience configuring and troubleshooting firewalls and network security solutions.
• Proven experience with infrastructure projects, server migrations and backup/recovery solutions.
• Strong troubleshooting skills across servers, networking and cloud environments.
• Excellent communication skills and confidence working directly with clients.
• Ability to work independently, manage multiple priorities and mentor less experienced engineers.
• Exposure to Azure, AWS, Fortinet or relevant technical certifications would be advantageous.

What's In It for You?

• Opportunity to take ownership of challenging infrastructure projects across a variety of client environments.
• Exposure to a broad range of technologies, including Microsoft, virtualisation, networking, security and cloud infrastructure.
• A senior technical position with opportunities to mentor engineers and influence technical decisions.
• Varied, hands‑on work with the opportunity to develop your technical expertise.
• Collaborative team environment with opportunities for continued professional development.
• Competitive compensation and comprehensive benefits package, including medical, dental, life insurance and 401(k).
• Long Island‑based opportunity with occasional local client travel.