System Administrator
AccumTech
This job is no longer accepting applications
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Ann Arbor, MI, USA
USD 80k-100k / year
Posted on Jan 6, 2026
As a System Administrator, you will play a critical role in managing and maintaining on-premises and hybrid environments to ensure stability, security, and performance. This position focuses on day-to-day administration, troubleshooting, and optimization of core infrastructure components, including servers, networking, virtualization, and backup systems. You will also assist in designing and implementing resilient architectures for high availability and disaster recovery across multiple data centers.
The ideal candidate will have strong experience with Windows Server environments, virtualization platforms, networking fundamentals, and best practices in enterprise security.
Primary Responsibilities:
The ideal candidate will have strong experience with Windows Server environments, virtualization platforms, networking fundamentals, and best practices in enterprise security.
Primary Responsibilities:
- Administer and maintain Windows Server environments, Active Directory, and related services.
- Manage on-prem infrastructure, including firewalls, switches, VLANs, and VPNs.
- Monitor system performance and uptime; implement proactive maintenance strategies.
- Perform incident root cause analysis and remediation for infrastructure issues.
- Manage backup, restore, and disaster recovery processes to meet SLA requirements.
- Troubleshoot advanced Active Directory and identity-related issues.
- Maintain documentation for processes, configurations, and procedures.
- Assist with Incident Response planning and security monitoring.
- Establish baselines for system performance and capacity planning.
- Collaborate with internal teams to support infrastructure needs for applications and services.
- Provide escalation support for helpdesk and technical teams.
- Strong understanding of networking fundamentals (TCP/IP, VLANs, VPNs, firewalls).
- Expertise in Windows Server administration and Active Directory.
- Experience with virtualization technologies (VMware preferred).
- Knowledge of backup and disaster recovery solutions.
- Familiarity with syslog, SIEM tools, and event correlation.
- Understanding of security best practices, RBAC, and least-privilege principles.
- Ability to design and maintain high-availability and redundant systems.
- Experience with hybrid environments (basic cloud knowledge is a plus, not primary focus).
- Ability to clearly communicate technical concepts to non-technical stakeholders.
- Strong documentation and process development skills.
- Proactive mindset with attention to potential issues and improvements.
- Comfortable working in cross-functional teams and sharing knowledge.
- Strong troubleshooting and problem-solving skills.
The annual salary range for this position is $80,000-$100,000.
ABOUT ACCUMTECH
AccumTech is a small, but growing, software service company that has annually been voted one of Crain’s Detroit Business Coolest Places to Work by our employees since 2019. Joining AccumTech will give you an opportunity to take on challenging projects in a fast-paced agile environment, take responsibility for the growth of your team, and play a key role in the success and growth of the company.
AccumTech was founded in 2014 by experts in data management, pharmacy benefits, healthcare consulting and federal health regulations to assist key stakeholders in the integration of claims data between different consumers. We are based in Ann Arbor, Michigan and offer a competitive benefits package that includes health benefits, a competitive salary, paid time off, a 401K with employer match, and flexible scheduling.
AccumTech is unable to provide Visa sponsorship.This job is no longer accepting applications
See open jobs at AccumTech.See open jobs similar to "System Administrator" Ann Arbor SPARK.