Network Administrator

Job Title:

Network Administrator

Location:

Texas (Houston, Occasional Travel to office when required)

Reporting to:

Director, IT Infrastructure

Duration:

6-Month Contract-to-Hire

Summary:

Bigrio is seeking a highly skilled and motivated Network Administrator to join our growing Infrastructure and IT Operations team. This role is responsible for designing, implementing, securing, and supporting enterprise-scale network environments across on-premises and cloud platforms.

The ideal candidate will have strong experience with modern networking technologies, hybrid cloud infrastructure, network security, and enterprise connectivity solutions. This position requires a proactive problem solver who thrives in a fast-paced environment and enjoys collaborating with cross-functional teams to build scalable, secure, and high-performing infrastructure solutions.

At Bigrio, we value innovation, continuous improvement, collaboration, and operational excellence. The Network Administrator will play a key role in ensuring the reliability, scalability, and security of the organization's infrastructure while supporting business growth and technology modernization initiatives.

Qualification:

Education:

• Bachelor's degree in Computer Science, Information Technology, or a related field preferred
• Equivalent professional experience and relevant industry certifications may be considered in lieu of a formal degree

Experience:

• 5+ years of progressive experience managing enterprise-scale network infrastructures in on-premises and cloud environments
• Strong expertise in LAN, WAN, and WLAN design and implementation across multi-site environments
• Hands-on experience operating Meraki-based enterprise networks, including:
  • MX (security & SD-WAN)
  • MS (switching)
  • MR (wireless)
  • Centralized configuration, monitoring, and troubleshooting via the Meraki Dashboard
• Strong experience with Palo Alto Networks firewalls, including:
  • Network segmentation and traffic inspection
  • Security policy design and enforcement
  • VPN connectivity (site-to-site and remote access)
  • Integration with hybrid and cloud-based network architectures
• Proven experience designing and supporting hybrid Azure networking, including:
  • Virtual Networks (VNets), subnets, and IP addressing strategy
  • Network Security Groups (NSGs) and traffic controls
  • VPN and/or ExpressRoute connectivity
  • Hub-and-spoke or segmented network topologies
• Experience supporting highly virtualized environments, including VMware and/or Hyper-V
• Strong understanding of network security principles, including Zero Trust concepts, least-privilege access, and defense-in-depth
• Demonstrated ability to design, diagram, document, and present both high-level and detailed network and infrastructure architectures
• Experience with network capacity planning, performance optimization, and high-availability design
• Familiarity with monitoring, telemetry, and alerting in complex network environments
• Experience collaborating closely with infrastructure, cloud, security, application, and leadership teams

Professional Attributes:

• Able to balance architectural best practices with pragmatic execution in a fast-paced environment
• Strong self-management skills with a continuous improvement mindset
• High attention to detail with a focus on reliability, security, and operational excellence
• Enjoys working in a highly collaborative team where ownership and accountability are shared
• Motivated to learn and apply new technologies and practices that advance the organization's infrastructure and security posture

Responsibilities:

Network Architecture & Engineering

• Design, implement, and evolve enterprise network and hybrid-cloud architectures aligned with business, security, and compliance requirements
• Define and maintain network standards, patterns, and reference architectures across on-prem and cloud environments
• Engineer and support a hybrid Azure/on-prem network model, ensuring secure and reliable connectivity between environments
• Design and maintain network segmentation strategies leveraging Meraki and Palo Alto platforms
• Support modernization initiatives that enable distributed systems and service-oriented or microservices-based platforms

Operations, Reliability & Performance

• Ensure reliable network connectivity for servers, virtual infrastructure, cloud workloads, and enterprise services
• Configure, operate, and maintain:
  • Meraki switching, wireless, and SD-WAN infrastructure
  • Palo Alto firewalls and security policies
• Perform capacity planning and proactively address performance, scalability, and resiliency risks
• Implement and maintain monitoring, alerting, and testing strategies to proactively detect and resolve network issues
• Act as support escalation for network and connectivity incidents

Security, Governance & Compliance

• Apply network security best practices including segmentation, traffic inspection, and least-privilege access
• Partner with security and compliance teams to support regulatory requirements, audits, and risk mitigation initiatives
• Contribute to infrastructure governance through standardized configurations, documentation, and asset visibility
• Participate in incident response and post-incident reviews related to network or security events

Collaboration, Documentation & Improvement

• Work closely with infrastructure, cloud, security, and application teams to support platform and application needs
• Produce and maintain clear, accurate network diagrams, technical documentation, and runbooks
• Research, evaluate, and recommend new network technologies, tools, and approaches that improve reliability, security, and operational efficiency
• Coordinate with vendors and third-party partners for implementation and support when required

General

• Install and configure network hardware and software as needed
• Maintain working knowledge of operating systems and enterprise applications as they relate to network operations
• Adhere to company Code of Conduct and compliance policies
• Perform other job-related duties as assigned

Physical demands and work environment:

• Frequently required to sit
• Frequently required to stand
• Frequently required to utilize hand and finger dexterity
• Frequently required to talk or hear
• Frequently required to utilize visual acuity to operate equipment, read technical information, and/or use a keyboard
• Occasionally exposed to bloodborne and airborne pathogens or infectious materials

Skills:

• Alliance/Partner Marketing
• Architectural Services
• Best Practices
• Business Growth
• Business Support
• Capacity and Performance Management
• Cloud Architecture
• Cloud Computing
• Computer Science
• Consulting
• Continuous Improvement
• Cross-Functional
• Defense in Depth
• Detail Oriented
• Distributed Computing
• Enterprise Applications
• Enterprise Protection
• Firewalls
• Hardware Installation
• High Availability
• Hybrid Cloud
• Information Technology & Information Systems
• Keyboards
• Local Area Network (LAN)
• Manual Dexterity
• Microservices
• Microsoft Windows Azure
• Network Administration/Management
• Network Architecture/Engineering
• Network Configuration Management
• Network Connectivity
• Network Design
• Network Security
• Network Support
• Network System Hardware
• Operating Systems
• Operational Strategy
• Performance Tuning/Optimization
• Physical Demands
• Problem Solving Skills
• Regulatory Compliance
• Reliability Engineering
• Scalable System Development
• Security Design
• Security Policy
• Software Configuration Management
• Team Player
• Telemetry
• Test Strategy
• Wide Area Network (WAN)
• Willing to Travel
• Wireless LAN

About the Company:

Saviance Technologies