Systems Administrator Jobs

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Systems Administrator

Mainstay Technologies, Inc.Manchester, NH
Hybrid

About The Position

The Systems Administrator is a hands-on technical expert on Mainstay’s 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 Mainstay’s client base. It’s a great fit for someone who thrives on technical depth, values operational excellence, and enjoys making a measurable impact on long-term client success.

Requirements

  • 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).

Nice To Haves

  • 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

Responsibilities

  • 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.

Benefits

  • 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

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