Network Administrator

job summary: We are seeking an experienced Network Administrator to take ownership of our core connectivity, network security, and on-premises infrastructure. Acting as a key technical resource within a close-knit IT department, this role is highly hands-on. The ideal candidate will seamlessly bridge the gap between network administration and systems support, ensuring high availability, securing multi-site communications, and driving day-to-day IT operations. If you thrive in an environment where you can manage critical infrastructure while directly impacting organizational success, this role is for you.

location: Shelbyville, Tennessee job type: Permanent salary: $65,000 - 95,000 per year work hours: 9am to 5pm education: High School

responsibilities: Network Operations & Infrastructure

• Administer, configure, and maintain our core network infrastructure, focusing heavily on a Fortinet ecosystem (FortiGate firewalls, FortiSwitches, FortiAPs) along with supplementary Cisco switching environments.
• Manage redundant/dual ISP connections, including failover configurations, performance monitoring, and direct coordination with service providers.
• Oversee site-to-site communications, including managing and troubleshooting point-to-point wireless bridge technologies between facilities.
• Monitor overall network health and performance, responding to alerts and conducting comprehensive root-cause analysis on degradations or outages.
• Maintain accurate, up-to-date network documentation, including topological diagrams, hardware configurations, and standard operating procedures (SOPs).
• Coordinate directly with hardware vendors and ISPs for quotes, escalations, procurement, and RMA processing.

Security & Access Management

• Design and maintain firewall policies, NAT rules, and access controls to ensure robust network perimeter security.
• Deploy, administer, and support SSL VPNs for remote workforces and maintain secure IPSec tunnels to remote sites, vendors, and business partners.
• Perform regular firewall rule audits, maintain network segmentation best practices, and execute routine firmware patching across all network devices.

Cross-Functional IT & End-User Support

• Operate within an internal ticketing system to track, document, and resolve day-to-day IT operations.
• Serve as an escalation point for complex end-user connectivity and system-related problems.
• Manage the lifecycle of corporate-issued mobile devices (iOS), including initial setup, application deployment, user account configuration, and international carrier adjustments.
• Collaborate on larger IT infrastructure projects, crossing over into Windows systems and Active Directory support as needed.
• Participate in team-based, after-hours responses to critical infrastructure incidents.

qualifications: Education & Experience:

6+ years of hands-on network administration and troubleshooting experience in a corporate business environment.

High School Diploma/GED required; a Bachelor’s degree in IT, Computer Science, or a related discipline is highly preferred.

Ability to pass all required pre-employment background checks and drug screenings, and a strict commitment to maintaining operational confidentiality.

Core Technical Skills:

Fortinet Expertise: Extensive experience with Fortinet firewalls (FortiGate required; FortiSwitch/FortiAP highly preferred).

Networking Fundamentals: Deep understanding of routing, switching, VLANs, NAT, and enterprise firewall concepts.

Connectivity: Proven hands-on experience deploying and troubleshooting SSL VPNs and IPSec tunnels.

Systems Integration: Ability to troubleshoot seamlessly across network, firewall, and system layers. Solid familiarity with Windows Server environments and Active Directory.

Professional Skills: Strong verbal and written communication skills with the ability to manage multiple concurrent projects.

Preferred (but not required) Qualifications:

Active Fortinet NSE certifications.

Experience managing point-to-point wireless technologies (e.g., UniFi or similar).

Prior experience architecting dual ISP or highly redundant network environments.

Proficiency with modern network monitoring software.

Familiarity working alongside enterprise ERP systems (e.g., SAP) and EDI integrations.

skills: IT operations,secure network,VPN,hands-on approach,collaborating,infrastructure,network performance

Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

At Randstad Digital, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact HRsupport@randstadusa.com.

Pay offered to a successful candidate will be based on several factors including the candidate’s education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad Digital offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).

This posting is open for thirty (30) days.

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Network Operations & Infrastructure

• Administer, configure, and maintain our core network infrastructure, focusing heavily on a Fortinet ecosystem (FortiGate firewalls, FortiSwitches, FortiAPs) along with supplementary Cisco switching environments.
• Manage redundant/dual ISP connections, including failover configurations, performance monitoring, and direct coordination with service providers.
• Oversee site-to-site communications, including managing and troubleshooting point-to-point wireless bridge technologies between facilities.
• Monitor overall network health and performance, responding to alerts and conducting comprehensive root-cause analysis on degradations or outages.
• Maintain accurate, up-to-date network documentation, including topological diagrams, hardware configurations, and standard operating procedures (SOPs).
• Coordinate directly with hardware vendors and ISPs for quotes, escalations, procurement, and RMA processing.

Security & Access Management

• Design and maintain firewall policies, NAT rules, and access controls to ensure robust network perimeter security.
• Deploy, administer, and support SSL VPNs for remote workforces and maintain secure IPSec tunnels to remote sites, vendors, and business partners.
• Perform regular firewall rule audits, maintain network segmentation best practices, and execute routine firmware patching across all network devices.

Cross-Functional IT & End-User Support

• Operate within an internal ticketing system to track, document, and resolve day-to-day IT operations.
• Serve as an escalation point for complex end-user connectivity and system-related problems.
• Manage the lifecycle of corporate-issued mobile devices (iOS), including initial setup, application deployment, user account configuration, and international carrier adjustments.
• Collaborate on larger IT infrastructure projects, crossing over into Windows systems and Active Directory support as needed.
• Participate in team-based, after-hours responses to critical infrastructure incidents.

IT operations,secure network,VPN,hands-on approach,collaborating,infrastructure,network performance