Sr System Administrator

Abacus Solutions

September 21, 2025

09:41 AM

Marietta, GA

Company size : 51-200 employees
Job Type & Title : Remote
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About Company:
Abacus, a business unit of Fresche Solutions, is a premier global provider of AS/400 focused cloud, managed services, and hardware. With a state-of-the-art technical laboratory and geographically distributed Production and DR data centers, Abacus has the team and resources to offer a flexible array of solutions. Regardless of what you call it – AS/400, IBM Power Systems, System i, IBM iSeries – the experts at Abacus Solutions can ease your fears about how to keep your business infrastructure running.
Skills:

Job Overview

As a Sr System Administrator, you will play a crucial role in resolving technical issues for our Hedge Fund and Private Equity clients. As the first point of contact, you will respond to client issues, collaborate internally and externally to resolve issues, and provide exceptional white-glove service. While this is a client facing support position, it entails a broader and deeper technical skill set and stronger customer service skills than comparable positions within other organizations.

Responsibilities

Serve as point of contact and escalation point for Tier 1 support issues requiring advanced troubleshooting.
Provide high-quality technical support to clients via phone, email, and remote sessions.
Administer and maintain client workstations, printers, and peripheral equipment.
Investigate and resolve DNS, DHCP, TCP/IP, and network connectivity issues.
Participate in infrastructure improvement initiatives and documentation efforts.
Accurately track and document work in the ticketing system, ensuring clear handoffs and resolution notes.
Assist with implementing security measures including MFA (e.g., Duo) and adherence to company policies.
Contribute to team KPIs by efficiently managing workload and prioritizing escalated issues.

Skills

Strong customer service mindset with excellent troubleshooting skills.
Advanced proficiency in Managing and troubleshooting:
- Microsoft 365 (Teams, SharePoint, OneDrive, Outlook, Entra)
- Active Directory accounts, groups, and permissions
- Citrix -Publishing/managing applications, terminating hung sessions, Citrix Studio/Director)
- Intune (e.g., device compliance, update rings, device management, conditional access)
- Email security gateways (e.g. Mimecast, Proofpoint, Microsoft Defender)
- Virtualized environments (e.g., VMware vSphere: resource allocation, server performance)
Monitor and resolve alerts (e.g., disk space, host down, ISP issues) from monitoring tools such as CheckMK and logic monitor
Ability to assess, prioritize, and resolve multiple escalated issues in a fast-paced environment.
Clear and concise written and verbal communication, able to adapt for technical and non-technical audiences.
Process-oriented, detail-focused approach to documenting technical issues and solutions.

Qualifications

High school diploma or equivalent required.
5+ years of experience in a related field.
A degree or some college a plus.
Technical licenses or training a plus.

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