IT Infrastructure Engineer (Onsite Engineer)

Join a 30-year-established MSP where engineers take ownership of client environments, lead infrastructure modernization projects, and act as trusted advisors to organizations across Wisconsin.

About SSR Total IT

• Do you want to make a real difference by helping businesses improve their technology, security, and operations?
• Do you enjoy learning new technologies and also teaching and mentoring others?
• If you are looking for a long-term career where you can do all of that and grow into senior engineering, architecture, or a leadership role you can grow into, SSR is the place for you!

At SSR Total IT, engineers are the business, not a support function. You'll own client environments, lead infrastructure projects, and act as a trusted advisor to 170 small and mid-sized businesses, 3,000 end users, and 2,000 systems across Wisconsin. If you want a seat at the table where solutions are actually designed, this is that role.

Our organization operates through five core divisions: Procurement, Operational Excellence (OpEx), Managed Services, Applications & Analytics, and Infrastructure & Security Engineering — allowing our engineers to work on a wide range of technologies while helping clients modernize and secure their environments.

At SSR, we establish industry best practices, implement proven solutions, and help transform how businesses use technology.

Our culture is guided by our core values — Client Driven, Elevate Others, Do the Right Thing, Thirst for Knowledge, and Professionalism.

Job Summary

SSR Total IT is seeking an experienced IT Engineer to serve as a trusted technical advisor to clients and a key contributor within our Infrastructure & Security Engineering division. Our engineers are client-facing and play a direct role in the success of the company. This is not a cost-center IT role — our engineering team is the profit center of the organization, and you will have a voice in how solutions are designed, delivered, and improved.

In this role, you’ll be part of a collaborative engineering team of 10 engineers who actively share knowledge, support each other, and continuously improve how we deliver for our clients. You will own the stability, security, and long-term improvement of client environments including networks, servers, cloud platforms, and security systems. You will troubleshoot complex issues, lead infrastructure projects, and work directly with clients to align technology with business needs.

Key Responsibilities

• Act as the technical leader for assigned client environments
• Design, implement, and maintain servers, security, networking, firewalls, backups, and cloud platforms
• Support and architect Microsoft 365 and Azure environments
• Lead migrations, upgrades, virtualization, and infrastructure projects
• Assist Help Desk and NOC teams with escalations
• Perform proactive system reviews and recommend improvements
• Keep improving skills and certifications for market needs

Qualifications

Required Experience – Represents the typical client environment @ SSR

• 4 years supporting IT infrastructure environments
• Strong Windows Server / Active Directory experience
• Networking fundamentals (VLANs, VPNs, firewalls, switching)
• Microsoft 365 / Azure experience
• VMware or Hyper-V experience
• Strong troubleshooting and client communication skills
• Hardware platforms incl HP, Dell, Meraki, Cisco

Preferred

• MSP or consulting experience
• Veeam / Datto / backup platforms
• Security tools (Sentinel One, Knowbe4, Duo, Qualys, Greenbone, etc.)
• Certifications (Microsoft, Azure, VMware, Cisco, Security , etc.)

How This Role Fits Within Our Team

Help Desk > NOC > Engineers > Senior Engineers > Engineering Leadership

Our engineers focus on complex troubleshooting, infrastructure projects, and client-facing technical leadership, while frontline teams handle monitoring and first-response support.

Benefits

• 401(k) Profit Share
• Quarterly Bonus Program (SSR Share)
• Health, Dental, Vision, Life & Disability Insurance
• Paid Time Off & Holidays
• Training & Professional Development