HOLT Group · 1 week ago
IT Network Administrator 3
San Antonio, TX
Full-time
Onsite
Senior Level, Lead/Staff
8+ years expHOLT Group is seeking an IT Network Administrator 3 to oversee the planning and maintenance of their global network infrastructure. The role involves network architecture design, problem resolution, and mentoring peers while ensuring alignment with the company's mission and values.
AutomotiveConstructionConsultingLeasingRentalRetail
Responsibilities
Facilitates the planning, forecasting, implementation and identification of resource requirements for network systems
Performs network planning, network architecture design and engineering activities
Supervises the administration and maintenance of global network infrastructure, providing technical guidance and mentorship to peers
Manages network problem resolution and serves as the highest point of escalation for private and public network issues
Continuously evaluates new products and emerging technologies, providing strategic recommendations that drive proactive improvements and innovation while overseeing the development and implementation of best practices
Demonstrate alignment with the company's mission and core business values
Collaborate with key internal/external resources
Participate in ongoing self-development and the development of peers
Models, promotes, reinforces, and rewards the consistent use of HOLT’s Values Based Leadership (VBL) tools, models, and processes to ensure alignment with our Vision, Values, and Mission
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
Qualification
Required
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
Preferred
1-2 years of experience working with suppliers conducting vendor evaluations, product proofs of concepts, pilots, and enterprise implementations preferred
CCNP
CCNA
Fortinet NSE4+
Azure Networking Engineer Associate or Azure Solutions Architect Expert certification
CCIE
CompTIA Network +
Benefits
Complete health care
401(k) matching & Profit-Sharing plan (ROTH and traditional)
Paid holidays
Front-loaded PTO program
Tuition Reimbursement program
Company
HOLT Group
HOLT Group sells, rents, and leases industrial machinery and offers consulting and training services.
201-500 employees
H1B Sponsorship
HOLT Group has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2021 (1)
Funding
Current Stage
Growth StageCompany data provided by crunchbase