Supports Linux and Windows operating systems, virtual machines, storage, backups, and cloud environments. Responsibilities include troubleshooting, patching, system hardening, monitoring, change management, backup restoration, hardware maintenance, incident response support, end-user escalation, vendor coordination, ticket management, and technical documentation. The role also assists with infrastructure deployments, inventory maintenance, and cybersecurity compliance while participating in rotational on-call support.
Overview
Now Hiring at AMERICAN SYSTEMS
Epsilon, Inc. has joined AMERICAN SYSTEMS! As one organization, we offer expanded resources, streamlined operations, and increased opportunities for growth and development.
Join us to be part of a dynamic, collaborative environment dedicated to innovation and customer success.
ResponsibilitiesAn Average Day: As a mid-level systems administrator, you will support operating systems, virtual machines, storage appliances, and backup environments. You will help troubleshoot issues, assist in change management activities, apply patches, and perform routine system maintenance. You will participate in backup and restoration activities, support cybersecurity staff during incident response, and coordinate with vendors as needed. You will also assist with escalated end‑user support and help maintain documentation and inventory for assigned systems.
- Provide end-user and system support for infrastructure platforms during core business hours, with rotational on-call participation as scheduled.
- Use monitoring and analytics tools to help maintain system performance and identify issues.
- Collaborate with cybersecurity teams to ensure systems meet compliance and security requirements.
- Follow established change management procedures for hardware and software updates.
- Assist with hardware troubleshooting and coordinate repairs with vendors.
- Contribute to evaluating new server hardware and software needs and support deployment activities.
- Apply system hardening guidelines, maintain patch levels, and assist Cyber Security Specialists during incident response.
- Support routine maintenance tasks and help maintain inventory records for servers, equipment, and software.
- Follow standard procedures for recurring operational activities.
- Support backup and restore operations, assist with backup health checks, and help troubleshoot failed backups including database-related restores.
- Manage assigned tasks and tickets, ensuring timely completion of incidents, changes, and service requests.
- Maintain documentation for system configurations, procedures, and operational best practices.
- As a requirement of this position, all candidates must be a U.S. Citizen. In accordance with 8 U.S.C. 1324b(a)(2)(C), we will not consider candidates for this position who do not meet the aforementioned conditions.
- 2–4 years of experience as a Systems Administrator supporting both Linux (Red Hat Enterprise Linux) and Windows environments.
- Experience working in multi-platform environments and following established SOPs and technical guidance.
- Strong judgment, communication, and problem-solving skills.
- Understanding of network protocols, cybersecurity fundamentals, and system performance concepts.
- Experience with system lifecycle management, patching, and routine updates.
- Familiarity with automation or scripting tools (Bash, Python, PowerShell, Ansible).
- Experience supporting cloud services or virtualized environments (VMware, Azure, AWS).
- Ability to work independently on assigned tasks and collaborate with team members and stakeholders.
- Experience creating or updating documentation for configurations, procedures, or technical processes.
- Familiarity with ITSM platforms such as ServiceNow for ticket and task management.
- Working knowledge of the following tools and technologies:
- Operating systems: Red Hat Linux, Windows
- VM management: VxRail, VMware vCenter/vSphere
- On‑prem servers: HPE
- Cloud platforms: Azure, AWS
- Scripting: Bash, Python, PowerShell, Ansible
- Networking basics: IP addressing, ACLs, DHCP, DNS
- Package deployment: SolarWinds Patch Manager, SCCM, RedHat Satellite
- Remote management: vSAN, SAN tools, iLO/iDRAC
- Monitoring tools: Splunk, SolarWinds Orion
- Backup systems: Dell PowerProtect Data Manager (PPDM), Data Domain (DD)
- Identity management: Active Directory (on‑prem and Azure), Red Hat IDM, LDAP
- PIV and key management: RSA SecurID, Microsoft KMS, Corestreet HID, OCSP
- Collaboration tools: Teams, SharePoint, Exchange/Exchange Online
- Ticketing systems: ServiceNow, Azure Active Directory
- Must be able to:
- Lift up to 25 lbs.
- Bend, stretch, squat, kneel, to move equipment, set up workstations (projectors, TV screens, computers, servers, routers, printers, tools, etc.).
- Must be able to present acceptable identification for customer badging and site access, such as a REAL ID compliant driver license, U.S. Passport, or other approved document from the GSA Required Identification List.
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