Network Administrator/ Engineer III

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.

• Leads the evaluation and adoption of emerging technologies and contributes to the development of long-term strategic roadmaps aligned with business goals.
• Leads the development and execution of project plans, including risk assessments, mitigation strategies, and contingency planning to ensure successful delivery and operational resilience.
• Designs and implements monitoring, configuration management and reporting functions to support proactive, hands-off network operations.
• Performs advanced network and system performance tuning and leads capacity planning to ensure optimal performance and scalability.
• Architects and maintains complex hybrid network solutions connecting on-premises data centers with Azure and other services, ensuring high availability and security.
• Demonstrates advanced proficiency with static/dynamic routing protocols (BGP, OSPF, EIGRP) and policy-based routing in complex, multi-site network environments; skilled in VLAN design, spanning-tree protocol optimization, and multicast routing configuration.
• Applies expert understanding of core networking protocols including TCP/IP, MPLS, DNS, DHCP, SNMP, and various VPN technologies in enterprise contexts.
• Expertly configures, maintains, and optimizes enterprise-grade network infrastructure-including routers, switches, and firewalls (Cisco, Aruba, Palo Alto, Fortinet).
• Hands-on experience with VPCs, subnets, route tables, network ACLs, NAT gateways, and cloud-based load balancers and familiar with cloud-native firewalls, security groups, and Hub-and-Spoke architectures (Azure).
• Develops automation scripts and templates using Python, PowerShell, Bash, or Ansible to streamline network operations and IaaC deployments via Terraform, Azure ARM, or similar.
• Implements, supports and maintains WAN, LAN, Data Center, and related technologies.
• Serves as the technical lead and escalation point.
• Mentors Network Administrators and oversees complex project execution and troubleshooting efforts.
• Creates and maintains detailed network diagrams, runbooks, SOPs, and asset inventories.
• Ensures documentation is current and meets audit/compliance requirements.
• Works safely and adheres to all applicable safety policies; complies with all company policies, procedures, and standards.
• Performs other duties as assigned.

#LI-JR3

• High school diploma or equivalent required; bachelor's degree in computer science, IT, Engineering, or equivalent experience preferred.
• Minimum of 8 years of experience required; over 10 years preferred.
• 3+ years of experience in designing, implementing and managing Azure network services or equivalent public cloud experience.
• 1-2 years of experience working with suppliers conducting vendor evaluations, product proofs of concepts, pilots, and enterprise implementations preferred.

Preferred Certifications (one or more of the following):

• CCNP
• CCNA
• Fortinet NSE4+
• Azure Networking Engineer Associate or Azure Solutions Architect Expert certification
• CCIE
• CompTIA Network +

• Communication & Collaboration: You effectively communicate complex ideas to diverse audiences and build strong relationships with clients and partners. You're a proactive team player who can influence stakeholders, negotiate solutions, and collaborate with colleagues to solve problems.
• Problem-Solving & Adaptability: You excel at diagnosing complex technical issues, analyzing data, and developing strategic solutions. You're adaptable in a fast-paced environment, can manage multiple priorities, and work independently with a practical, results-oriented mindset.
• Technical Acumen & Project Management: You possess a strong analytical skill set, including experience in design thinking and business case development. You can make architectural decisions that balance technical requirements with business needs. You're organized, manage projects effectively from discovery to implementation, and stay current with technological advancements.

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

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.