Jobs and Careers
OA
Systems Administrator III
Oakwood Systems Group Inc.St. Louis, Missouri, United States, United Statesfull_timeVerifiedPosted 4 Jun 2025
About the role
Job Duties:
- Establish and manage the technology infrastructure that supports business operations (hardware, networks, operating systems, middleware, and telecommunications).
- Contribute to documenting, monitoring, and maintaining the network infrastructure and improving its posture.
- Build and maintain relationships with internal leadership, business teams, IT, and external vendors.
- Serve as an escalation point to diagnose complex network and server issues, identifying causes and developing remediation strategies.
- Assist the management of the server environment. Tasks include creating new virtual machines, upgrading management software, troubleshooting infrastructure, and closely monitoring resource usage.
- Understand business requirements and effectively design, communicate, and deliver solutions to both technical and business audiences.
- Offer technical guidance, knowledge sharing, and mentorship to peers as required.
- CCNA or comparable industry certification.
- 5+ years of experience in Information Technology with an emphasis on IT Infrastructure Networking.
- 3+ years of experience with designing, configuring, installing, maintaining, and tuning components associated with the LAN/WAN infrastructure.
- Experience with Microsoft Server operating systems and solid grasp of Active Directory and Group Policy in a multi-domain, geographically separated environment.
- Solid TCP/IP network knowledge and troubleshooting skills, with an understanding of DHCP, WINS, and DNS network services.
- Strong working knowledge of backup concepts and best practices. Preferably experienced using Veeam Backup and Replication software.
- Familiarity with Microsoft SQL Server administration.
- Understanding of SAN and storage architecture.
- Knowledge of wireless networking including managing, troubleshooting, and best practices.
- Strong interpersonal and communication skills, cooperative teamwork skills, excellent problem-solving ability, high degree of flexibility as well as the ability to plan, organize and prioritize work.
- Must be detail-oriented and can identify, prioritize, and complete tasks on deadline.
- Excellent documentation and organizational skills.
- Comfortable in fast-paced, constantly changing work environment.
- Worked on a tier 1 support team early in career.
- Career arc shows progression of trust and added responsibilities.
- Network Certificate like CCNA or another vendor equivalent.
- Managing and deploying Wireless infrastructure.
- Competency with switching equipment at the access and core layers.
- Port Configuration.
- Switch interconnectivity configuration.
- Edge firewall management – site to site VPNs, ACLs, routing.
- Understanding and experience with dot1x/Radius and the underlying software/systems/protocols that are involved.
- Windows and Active Directory administration.
- User Provisioning.
- Group Policy Admin.
- VMWare vCenter or HyperV administration.
- Provisioning and managing virtual servers and their hardware.
- Managing and implementing network storage.
- Managing backup of servers and other critical IT assets.
- Experience with projects involving servers/network equipment. Has been a part of the planning/design/communication/execution.
- Can speak to experience in planning/researching and communicating with different stakeholders.
Apply for this role
Generate a tailored application kit with a matched cover letter, interview prep, and CV highlights — in under 60 seconds.
Apply Now →Generate Application KitFree account required — sign up in 30s