Network Administrator / Engineer III

Job Summary

We are looking for a Network Administrator / Engineer for a direct hire opportunity in San Antonio, TX who have the following experience :

• Expertise in designing and maintaining hybrid network architectures that securely and efficiently connect on-prem data centers with public cloud providers (e.g. Azure) and services.
• Good understanding of Azure networking components including VNets, Azure FW, NSGs, VPN Gateways, ExpressRoute, Application Gateways, and hub-and-spoke architecture.
• Strong knowledge of SD WAN, Fortinet, Palo Alto, Aruba, and CISCO hardware environment.
• Expert-level configuration, deployment, and troubleshooting of firewalls across on-prem and cloud platforms including Palo Alto, Fortinet, and Cisco.
• Advanced knowledge of routing protocols (BGP, OSPF, EIGRP), L2 / L3 architecture, policy-based routing, and Quality of Service (QoS) in complex, multi-site environments.
• Strong scripting and automation skills using Python, PowerShell, Bash, and Ansible to automate network tasks and deployments.
• Skilled in WAN / LAN / MAN connectivity technologies including MPLS, ELAN, DIA, and LTE for site connectivity and failover.
• Experienced with network segmentation, Zero Trust Network Architecture, VPN / IPSec, NAT, 802.1X, and secure remote access solutions.
• Proven knowledge of wireless design, configuration, and troubleshooting for large enterprises and campus environments using Aruba solutions.
• Skilled in managing and implementing monitoring, alerting to proactively identify and address performance degradation, including tools like SolarWinds.
• Ability to diagnose and determine corrective actions to be taken on complex technical issues.
• Experience architecting and testing hybrid disaster recovery (DR) and business continuity (BCP) strategies, including cross-platform failover between on-prem and cloud networks.
• Proficient in planning redundancy for both physical and virtual network layers to ensure high availability and business resilience.
• Demonstrated expertise in leading and mentoring junior staff, providing hands-on technical guidance to resolve complex infrastructure issues efficiently and effectively.
• Ability to express complex technical concepts effectively, both written and verbally.
• Ability to manage support cases with external technology vendors.

Location : San Antonio, Texas

Job type : Permanent

Salary : $125,000 - 130,000 per year

Work hours : 8am to 5pm

Education : Bachelors

Responsibilities

Qualifications

Preferred Certifications

Skills

Adaptability, Analytical Thinking, Data Analysis, Business Requirements, Strategic Management, Communication Skills, Problem Solving, Project Management, Negotiation Skills, Stakeholder Management, Team Working, Self Motivation, Technical Skills

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. 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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