Systems Administrator, IT Infrastructure
About The Position
The Engineer II, IT Infrastructure Support serves as a foundational member of the IT operations team, providing day-to-day systems administration and technical support across the organization's infrastructure. This role is responsible for assisting in the maintenance, monitoring, and support of servers, networks, cloud services, and enterprise applications. The ideal candidate possesses a solid foundational understanding of Windows Server, Linux, networking fundamentals, Microsoft 365 administration, and cloud platforms, coupled with a strong eagerness to learn and grow. They demonstrate a proactive attitude toward problem-solving, maintain attention to detail, and collaborate effectively with senior engineers and cross-functional teams. In addition to operational support responsibilities, this role participates in project-based work through sprint planning and backlog initiatives, contributing to infrastructure maintenance, network operations, automation efforts, platform improvements, and continuous service enhancements under the guidance of senior team members.
Requirements
- 2+ years in systems administration, networking, or related role
- Knowledge of Windows Server, Linux, Active Directory, DNS, DHCP, Group Policy
- Solid networking fundamentals (TCP/IP, subnetting, routing, VLANs, firewalls)
- Foundational cloud systems and networking knowledge
- Familiarity with Microsoft 365
- Strong communication, attention to detail, and customer service mindset
Nice To Haves
- AWS, CompTIA Network+/Security+, CCNA, or Microsoft certifications
- Experience with IaC (Terraform/CloudFormation), scripting (PowerShell/Bash/Python)
- Familiarity with virtualization, backup solutions, and ITIL frameworks
- Experience in regulated financial services environments
- Experience with supporting Connect Direct or MQ systems
Responsibilities
- Administer and maintain Windows and Linux server environments
- Monitor system/network health and respond to alerts
- Support server provisioning, patching, backup, and disaster recovery
- Troubleshoot networking (TCP/IP, DNS, DHCP, VLANs, firewalls, VPNs, wireless)
- Assist with cloud networking (VPC, subnets, route tables, gateways)
- Support hybrid connectivity between on-prem and cloud environments
- Manage user provisioning, access requests, and endpoint security
- Provide professional, responsive support to internal users
- Maintain thorough ticket documentation and knowledge base articles
- Document system configurations, network diagrams, and change records
- Participate in Agile sprint planning and backlog activities
- Contribute to automation and process improvement efforts
Benefits
- Cross River is an Equal Opportunity Employer.
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
Education Level
No Education Listed
