Systems Administrator

The Systems Administrator is a hands-on technical expert on Mainstays Service Team focused on keeping client environments secure stable and well maintained. As a key layer between frontline support and technical leadership this role owns recurring system-level work drives standards across environments and tackles complex escalations that go beyond day-to-day support.

Partnering closely with the Service Delivery Teams the Systems Administrator helps deliver reliable consistent service across Mainstays client base. Its a great fit for someone who thrives on technical depth values operational excellence and enjoys making a measurable impact on long-term client success.

What You Will be Doing

• Maintain secure stable and high-performing client environments through recurring system administration and proactive maintenance.
• Perform core administration tasks including upgrades permissions management storage maintenance and environment hygiene.
• Resolve technical escalations that fall outside standard support.
• Address security findings including vulnerability and CVE remediation.
• Execute technical work such as patching firmware updates printer installs application upgrades and hardware configuration.
• Partner with service teams on audits licensing renewals onboarding-related technical tasks and proactive reviews.
• Coordinate with vendors and support service transitions when needed.
• Keep documentation accurate and consistent across assigned environments.
• Manage and prioritize ConnectWise tickets with strong organization follow-through and visibility.
• Work with peers and leadership to improve processes and increase efficiency through automation scripting and AI-assisted solutions.

Your Background
Required Experience and Skills

• Minimum 2 3 years of experience in technical support system administration or client-facing IT roles.
• Proven troubleshooting and problem-solving skills across workstation network and system platforms.
• Strong documentation habits and organizational ability to maintain consistency across environments.
• Experience with ticketing systems (ConnectWise preferred).

Skills for Success

• Clear and concise written communication.
• Highly accountable and ownership-driven mindset.
• Attention to detail accuracy and repeatability in execution.
• Ability to work independently while collaborating within a structured team model.
• Growth-oriented and receptive to feedback and refinement.
• Continuous improvement mindset proactively identifies opportunities to streamline workflows reduce manual effort and enhance operational efficiency through process refinement automation and the practical use of AI tools

Physical Requirements

• Travel to client sites isrequired sometimes with short notice.
• Prolongedperiodssitting at a desk and working on a computer.
• Ability toliftupto50pounds.

About Mainstay
Mainstay Technologies- IT you trust from a team you enjoy. Mainstay Technologies provides a full IT and Information Security department to small and medium-sized businesses in the northern New England area. As a company in the Best Companies to Work For Hall of Fame we believe in using the power of technology and of business to help people flourish. This translates to a culture of caring high-ownership teammates who work hard enjoy each other immensely and turn off the work at the end of the workday to focus on what matters more than work.

It is our commitment to people that makes us who we are. We love what we do and we love who we do it with. We are driven by our mission: to give more than we get. People are always the ends never the addition to being a Best Company to Work For we have also been recognized for Coolest Companies for Young Professionals Best of Business for Managed IT Services and theTorch Award for Marketplace Ethics. We have made theInc.Listfor fastest growing small businesses 5 times.

Benefits
This is a full-time salaried position with a full benefits package including:

• A flexible and fun work environment with events lunch learns ping pong snacks games and books
• 3 weeks of PTO (4 weeks after 2 years) per year
• A 2-week sabbatical at 5 years and a 5-week sabbatical at 10 years
• Health Dental and Vision Insurance
• Disability Insurance
• Group and Supplemental Life Insurance
• Paid Family Leave
• 401(k) with 3% match
• ESOP!
• Team Profit Sharing
• Training program (including paid certifications tuition reimbursement and bonuses on achieving certs)
• Paid Volunteer Time Off

Location
We believe in Work-from-Anywhere and in the value of in-person relationships. We offer strong flexibility to work remotely while also recognizing the importance of face-to-face connection through team meetings all-staff gatherings and in-person client meetings.

We maintain a beautiful office in Manchester NH as well as a satellite office in Laconia and we encourage each team member to choose the mix of home and in-office work that best supports their wellbeing and effectiveness. While coming into the office weekly is encouraged it is not required.

Because this role includes in-person client meetings applicants must live within driving distance of our clients offices and team events to support client relationships onboarding and ongoing collaboration.

Application
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