System Administrator
About The Position
Firstmark Credit Union is looking for a driven, security‑minded System Administrator who thrives on challenge, continuous learning, and building resilient, high‑performing systems. In this role, you’ll take ownership of our core system infrastructure—ensuring availability, security, and scalability of business‑critical platforms while helping us proactively strengthen our technology environment. This is an excellent opportunity for an experienced administrator who enjoys solving complex problems, improving processes, and working across teams to deliver secure, reliable technology solutions.
Requirements
- Strong desire to learn, grow, and take on new technical challenges
- Security‑first mindset with attention to detail and best practices
- Intermediate experience with Windows Server administration, including: Active Directory & Group Policy SMB/NTFS permissions DFS and Storage Replica
- Intermediate experience with Microsoft 365, including: Azure Intune Exchange Online Teams
- Intermediate experience with VMware environments (vCenter, ESXi, vSAN, Horizon)
- Working knowledge of Linux administration (package management, LVM, SELinux)
- Solid understanding of backup strategies (incremental, reverse incremental, GFS)
- Familiarity with SCCM, patch management, Windows imaging (WIM), and macOS administration
- Strong grasp of networking fundamentals (DNS, DHCP, ARP, subnetting)
- Ability to clearly explain technical concepts to non‑technical audiences
- Experience or familiarity with SQL administration
Nice To Haves
- Bachelor’s degree in Information Technology or related field or 2+ years of relevant experience
- PowerShell scripting experience
- Capacity and performance reporting experience
- Experience with security tools and platforms
- Relevant certifications such as: Microsoft Certified: Windows Server Hybrid Administrator Associate Microsoft Certified: Azure Fundamentals (or higher) Microsoft 365 Certified CompTIA Security+, CISSP, CEH, or similar
Responsibilities
- Ensure high availability, performance, and stability of servers, infrastructure, and applications through proactive monitoring and optimization
- Provision, configure, maintain, and troubleshoot Windows, Linux, VMware, and SQL Server environments
- Provide Tier 2/3 support for escalated technical issues and participate in root cause analysis
- Identify infrastructure and security risks and implement corrective and preventative solutions
- Perform regular system, security, and compliance audits (HIPAA, GDPR, PCI DSS, etc.)
- Manage identity, authentication, access controls, and permissions across systems
- Enforce password and security best practices organization‑wide
- Design, maintain, and test backups, disaster recovery, and business continuity plans
- Respond to outages, data loss incidents, and security events with detailed documentation
- Collaborate with IT peers and business partners to design and deploy secure system solutions
- Participate in on‑call rotation and occasional after‑hours or weekend maintenance
- Monitor system and SQL Server health and performance
- Create, configure, and manage SQL Server databases and storage
- Implement SQL security policies, manage users, roles, and permissions
- Perform backups, restores, patching, and emergency response
- Administer Windows Failover Clusters hosting SQL Server
Benefits
- comprehensive medical, dental, and vision coverage
- a dollar for dollar 401(k) match
- up to four weeks of paid time off to rest and recharge
- education assistance
- Employee Assistance Program
- paid and unpaid volunteer opportunities
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
Number of Employees
101-250 employees
