Infrastructure Specialist (Houston, TX)

Primary Responsibilities

• Lead the architecture, design, implementation, and ongoing support of infrastructure solutions across multiple concurrent client projects.
• Design, deploy, and troubleshoot routed and switched network environments for enterprise, industrial, and critical infrastructure systems.
• Perform advanced troubleshooting across routing, switching, firewall, wireless, LTE/cellular, cloud, remote access, and general infrastructure connectivity issues.
• Support infrastructure modernization, upgrades, expansions, migrations, and cutovers with a focus on reliability, maintainability, and operational continuity.
• Build and maintain standardized configurations, templates, and support processes to improve consistency across projects and client environments.
• Collaborate with internal team members, project managers, cybersecurity personnel, field teams, and client stakeholders to deliver high-quality technical outcomes.
• Support environments requiring resilient and secure communications, including high-availability designs, WAN connectivity, VPNs, and remote site connectivity.
• Support LAN, WAN, and wireless infrastructure design, implementation, and troubleshooting.
• Develop network designs including IP addressing schemes, segmentation strategies, and resilient architecture patterns.
• Develop and maintain technical documentation, including logical and physical network diagrams, Visio drawings, implementation plans, cut sheets, and as-built documentation.

Required Skills

• Bachelor’s degree in Engineering, Computer, Information Technology, or related field.
• Minimum of seven (7) years of technical experience, or an equivalent combination of relevant education, certifications, and hands-on technical experience.
• Advanced knowledge of routing protocols including BGP, OSPF, HSRP, and VRRP.
• Proficiency in switching technologies including VLANs, STP, RSTP, RPVST+, and VPC.
• Strong understanding of IPsec, VPN, and secure remote access technologies.
• Experience with LTE/cellular connectivity solutions.
• Strong packet analysis and troubleshooting capability using packet captures, routing validation, and protocol-level diagnostics.
• Strong technical documentation and diagramming skills, including Microsoft Visio.
• Able to manage and prioritize work across multiple active projects and support efforts.
• Effective communication skills for both technical teams and clients.
• Strong ownership, follow-through, and attention to detail.

Preferred Skills

• Experience in IT, OT, industrial, utility, power, or critical infrastructure environments.
• Experience with VMware, virtual networking, or virtualized infrastructure environments.
• Experience with Azure and/or AWS networking.
• Experience supporting multiple concurrent projects in a consulting, systems integration, or client-facing services environment.
• Cybersecurity experience, especially in segmentation, secure access design, firewall policy support, and infrastructure hardening.
• CISSP certification.

Requirements

• Must have a valid driver’s license and be authorized to work in the United States.

Benefits

• 401(k) and Roth 401(k)
• Dental Insurance
• Health Insurance
• Life Insurance
• Vision Insurance
• Employee Stock Purchase Plan (ESPP)
• Paid time off
• Performance Bonus
• Career Growth Opportunities and Training

WHY TETRA TECH

• Rewarding job opportunities and continuous growth.
• Enjoyable working environment, where teamwork and respectful collaboration is highly valued.
• Midsized local office atmosphere backed by a large network of highly skilled professionals.
• Proud to be an Equal Opportunity Employer.